:root{--blue:#2563eb;--dark:#182338;--gray:#78849a;--bg:#f7f9fc;--border:#e5eaf2;--red:#dc2626}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--dark);font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit}
button{cursor:pointer}
button:disabled{cursor:default;opacity:.65}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.subtle{color:var(--gray);font-size:13px;line-height:1.6}
.header{background:white;border-bottom:1px solid var(--border);padding:21px 20px 16px}
.header-inner{max-width:650px;margin:auto}
.logo{color:var(--blue);font-size:27px;font-weight:800;letter-spacing:-1px}
.version{font-size:12px;letter-spacing:0;background:#eaf0ff;padding:4px 7px;border-radius:7px;vertical-align:middle}
.tagline{color:var(--gray);font-size:12px;margin-top:4px}
main{max-width:650px;margin:0 auto;padding:20px 16px 110px}
.page{display:none}
.page.active{display:block}
h2{font-size:21px;margin:8px 0 18px}
h3{font-size:18px;margin:24px 0 16px}
.section-heading{display:flex;align-items:center;justify-content:space-between}
.section-heading h3{margin:24px 0 16px}
.search-box,#search-input{width:100%;padding:17px;background:white;border:1px solid var(--border);border-radius:15px;color:#66758b;font-size:15px;text-align:left}
.search-box{display:flex;justify-content:space-between;align-items:center}
.banner{background:linear-gradient(125deg,#2563eb,#1d4ed8);color:white;border-radius:20px;padding:25px;margin:22px 0}
.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.4px;opacity:.8;margin-bottom:12px}
.banner h2{font-size:22px;margin:0 0 12px}
.banner p{font-size:13px;line-height:1.7;margin:0}
.filters{display:flex;gap:8px;overflow-x:auto;margin-bottom:18px;padding-bottom:3px}
.filters button{white-space:nowrap;padding:10px 16px;border:1px solid var(--border);background:white;color:var(--blue);border-radius:30px;font-size:13px}
.filters button.selected{background:var(--blue);border-color:var(--blue);color:white}
.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.book-card{background:white;border:1px solid var(--border);border-radius:16px;overflow:hidden;position:relative;min-width:0}
.book-cover{background:#eaf0ff;height:145px;display:flex;align-items:center;justify-content:center;font-size:57px;width:100%;border:0}
.book-info{padding:12px;width:100%;text-align:left;background:none;border:0;color:inherit;display:block}
.book-title{font-size:14px;font-weight:700;line-height:1.5;min-height:42px;overflow-wrap:anywhere}
.book-price{color:var(--blue);font-size:18px;font-weight:800;margin:7px 0}
.book-condition{color:var(--gray);font-size:11px}
.favorite-btn{position:absolute;top:9px;right:9px;border:0;background:white;border-radius:50%;width:35px;height:35px;font-size:19px;box-shadow:0 1px 5px #0001}
.favorite-btn.liked{color:#ef476f}
.sold-badge{position:absolute;top:12px;left:12px;z-index:2;background:#64748b;color:white;padding:6px 10px;border-radius:8px;font-size:12px;font-weight:bold}
.book-card.is-sold .book-cover{background:#eef0f4}
.delete-btn{display:block;margin:0 12px 12px;width:calc(100% - 24px);padding:10px 4px;background:white;border:1px solid var(--red);color:var(--red);border-radius:10px;font-size:12px;font-weight:700}
#sell-form{background:white;padding:20px;border-radius:18px;border:1px solid var(--border)}
#sell-form label{display:block;font-size:13px;font-weight:700;margin:16px 0 8px}
#sell-form input,#sell-form select{width:100%;padding:14px;border:1px solid var(--border);border-radius:12px;background:white;outline-color:var(--blue)}
.primary-btn{width:100%;margin-top:14px;padding:15px;background:var(--blue);color:white;border:0;border-radius:13px;font-weight:700}
.secondary-btn{background:white;color:var(--blue);border:1px solid #c8d7fb}
.muted-btn{background:#64748b}
.empty-state{background:white;text-align:center;border-radius:18px;padding:45px 15px;color:var(--gray);grid-column:1/-1}
.empty-icon{font-size:35px;margin-bottom:8px}
.profile-card{background:white;border:1px solid var(--border);border-radius:18px;padding:20px;display:flex;gap:15px;align-items:center}
.avatar{width:55px;height:55px;background:#eaf0ff;border-radius:50%;display:grid;place-items:center;font-size:27px;flex-shrink:0}
.profile-card p{font-size:12px;color:var(--gray);margin:6px 0}
.demo-label{font-size:10px;color:var(--blue)}
.my-actions{display:grid;gap:10px;margin:18px 0}
.action-button{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;background:white;border:1px solid var(--border);border-radius:13px;padding:17px;font-weight:700;color:var(--dark)}
.back-btn{background:transparent;border:0;color:var(--blue);padding:8px 0 18px}
.detail-cover{height:240px;background:#eaf0ff;border-radius:18px;display:grid;place-items:center;font-size:90px}
.detail-card{background:white;border-radius:18px;padding:20px;margin-top:16px}
.detail-card h2{overflow-wrap:anywhere}
.detail-card p{line-height:1.5}
.detail-price{font-size:25px;font-weight:800;color:var(--blue)}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:10;background:white;border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:10px 3px max(12px,env(safe-area-inset-bottom))}
.bottom-nav button{border:0;background:transparent;color:#929caf;font-size:10px;display:flex;flex-direction:column;align-items:center;gap:5px;min-width:18%}
.bottom-nav button span{font-size:27px;line-height:1}
.bottom-nav button.active{color:var(--blue);font-weight:700}
.chat-item,.trade-card{display:block;width:100%;text-align:left;background:white;border:1px solid var(--border);border-radius:14px;padding:17px;margin-bottom:12px;color:var(--dark)}
.chat-item strong,.trade-card strong{display:block;font-size:16px;overflow-wrap:anywhere}
.chat-item p{color:var(--gray);font-size:13px;margin:8px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.trade-card p{font-size:14px;margin:9px 0}
.trade-status{font-weight:700;color:var(--blue)}
.trade-actions{display:flex;gap:9px;margin-top:12px}
.trade-actions button{flex:1;min-width:0;padding:12px 6px;border:0;border-radius:10px;color:white;background:var(--blue);font-weight:700}
.trade-actions .reject{background:#64748b}
.trade-note{font-size:12px!important;color:#64748b;line-height:1.6}
.rating-box{border-top:1px solid var(--border);padding-top:13px;margin-top:15px}
.rating-box strong{font-size:14px}
.rating-buttons{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
.rating-buttons button{background:#fff;border:1px solid #dbe2ed;border-radius:9px;color:var(--blue);padding:10px;font-weight:700}
.overlay{position:fixed;inset:0;z-index:999;background:var(--bg);display:flex;flex-direction:column}
.overlay-header{background:white;padding:18px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;font-weight:700}
.overlay-back{border:0;background:none;color:var(--blue);font-size:25px}
.overlay-content{flex:1;overflow-y:auto;padding:16px;min-height:0}
.chat-messages{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px;min-height:0}
.chat-bubble{max-width:78%;padding:12px 15px;border-radius:17px;background:var(--blue);color:white;align-self:flex-end;overflow-wrap:anywhere}
.chat-form{display:flex;gap:8px;padding:12px;background:white;border-top:1px solid var(--border);padding-bottom:max(12px,env(safe-area-inset-bottom))}
.chat-form input{flex:1;min-width:0;border:1px solid #dbe2ed;border-radius:24px;padding:12px;font-size:16px}
.chat-form button{border:0;background:var(--blue);color:white;border-radius:22px;padding:0 18px;font-weight:700}
@media(min-width:700px){.bottom-nav{max-width:650px;margin:auto}}

/* Student authentication */
#auth-form{background:white;padding:20px;border-radius:18px;border:1px solid var(--border)}
#auth-form label{display:block;font-size:13px;font-weight:700;margin:16px 0 8px}
#auth-form input{width:100%;padding:14px;border:1px solid var(--border);border-radius:12px;font-size:16px}
#auth-status{padding:10px 0}
[hidden]{display:none!important}

#signup-confirm-field{margin-top:4px}
#auth-intro{margin-bottom:18px}
#auth-status:not(:empty){background:#eef4ff;border-radius:10px;padding:12px;overflow-wrap:anywhere}

/* New student life features */
.home-shortcuts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:0 0 15px}
.home-shortcuts button{display:flex;flex-direction:column;gap:9px;align-items:center;justify-content:center;min-height:82px;background:#1d1d20;border:1px solid #38383c;border-radius:14px;color:#f5f5f5;font-size:24px}
.home-shortcuts button span{font-size:11px}
.bottom-nav button{min-width:0;flex:1;font-size:9px;padding:0 1px;white-space:nowrap}
.bottom-nav button span{font-size:23px}
.dark-form{background:#171719;border:1px solid #303034;padding:16px;border-radius:17px}
.dark-form label{display:block;margin:12px 0 7px;font-size:13px;font-weight:700}
.dark-form input,.dark-form textarea,.dark-form select{display:block;width:100%;padding:13px;background:#252528;color:#f4f4f4;border:1px solid #45454a;border-radius:10px;font-size:16px}
.board-list{display:grid;gap:12px;margin-top:20px}
.board-post{background:#1b1b1e;border:1px solid #343438;border-radius:15px;padding:17px}
.board-post h3{font-size:16px;margin:9px 0}
.board-post p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.6}
.board-post small{color:#aaaab0}
.board-replies{border-top:1px solid #37373b;margin-top:12px;padding-top:9px}
.board-replies p{background:#28282b;border-radius:10px;padding:10px;margin:7px 0}
.board-reply-form{display:flex;gap:8px;margin-top:10px}
.board-reply-form input{flex:1;min-width:0;background:#27272a;color:white;border:1px solid #444;border-radius:9px;padding:11px;font-size:16px}
.board-reply-form button{background:#f4f2ed;border:0;border-radius:9px;padding:0 12px;font-weight:700}
.timetable-grid{display:grid;grid-template-columns:35px repeat(5,minmax(0,1fr));gap:4px}
.timetable-head{font-size:12px;text-align:center;padding:8px 0;color:#b8b8be}
.timetable-period{font-size:11px;display:grid;place-items:center;color:#a6a6ac}
.timetable-cell{min-height:80px;background:#202023;color:#e8e8ea;border:1px solid #38383c;border-radius:9px;padding:5px 2px;overflow-wrap:anywhere;font-size:11px}
.timetable-cell.filled{background:#33343d;border-color:#555765}
.timetable-cell strong{display:block;line-height:1.3}
.timetable-cell small{display:block;color:#c4c4cd;margin-top:5px}
.inline-check{display:flex!important;align-items:flex-start;gap:10px;line-height:1.5}
.inline-check input{width:auto!important;flex-shrink:0;margin:3px 0}

/* Campus Books dark design */
:root{color-scheme:dark;--blue:#f4f2ed;--dark:#f4f4f5;--gray:#a1a1a8;--bg:#0b0b0d;--border:#303034;--red:#ff7777}
body{background:var(--bg);color:var(--dark)}
.header{background:#0b0b0d;border-color:var(--border)}
.logo{color:#fafafa}
.tagline{color:#aaaab0}
.search-box,#search-input{background:#1a1a1d;color:#e2e2e4;border:1px solid #38383b}
.hero-dark{margin:18px 0 22px;padding:25px 22px;min-height:175px;background:linear-gradient(125deg,#323235,#101012 75%);border:1px solid #414145;border-radius:19px;display:flex;flex-direction:column;justify-content:center}
.hero-kicker{color:#b8b8bb;font-size:10px;letter-spacing:1.3px;font-weight:700}
.hero-dark h1{font-size:24px;line-height:1.45;margin:13px 0 8px;color:#fff}
.hero-dark p{font-size:12px;color:#bbb;margin:0}
.filters button{background:#222225;color:#e5e5e6;border-color:#424246}
.filters button.selected{background:#f4f2ed;color:#111;border-color:#f4f2ed}
.book-card,.detail-card,.profile-card,.chat-item,.trade-card,.empty-state,#sell-form,#auth-form{background:#171719;border-color:#303034;color:#f4f4f5}
.book-cover,.detail-cover{background:#29292c;color:#fafafa}
.book-price,.detail-price{color:#f4f2ed}
.favorite-btn{background:#303034;color:#fff;box-shadow:none}
.favorite-btn.liked{color:#ff888d}
.primary-btn{background:#f4f2ed;color:#111}
.secondary-btn{background:#252528;color:#f4f4f5;border:1px solid #46464a}
.action-button{background:#1b1b1e;color:#f4f4f5;border-color:#343438}
.avatar{background:#303034}
.demo-label,.back-btn{color:#e9e6df}
.bottom-nav{background:#101012;border-color:#303034}
.bottom-nav button{color:#929298}
.bottom-nav button.active{color:#fafafa}
#sell-form input,#sell-form select,#sell-form textarea,#auth-form input{background:#252528;color:#f4f4f4;border:1px solid #424247;border-radius:11px;padding:14px;width:100%;font-size:16px}
#sell-form .inline-check input{width:auto}
.chat-bubble,.chat-form button,.trade-actions button{background:#f4f2ed;color:#111}
.chat-form,.overlay-header{background:#171719;border-color:#343438}
.chat-form input{background:#252528;color:#fff;border-color:#444}
.overlay{background:#0b0b0d}
.overlay-back,.trade-status{color:#f3f1ec}
.rating-buttons button,.delete-btn{background:#242427;color:#f1efeb;border-color:#555}
#auth-status:not(:empty){background:#242427;color:#e8e8e8}
.version{display:none}

/* UniLink interface */
.timetable-grid{grid-template-columns:29px repeat(6,minmax(0,1fr));gap:3px}.timetable-cell{min-height:82px;font-size:10px}.timetable-cell small{font-size:9px}.term-row{display:flex;align-items:center;gap:12px;margin:16px 0}.term-row select{padding:10px;border-radius:10px;background:var(--surface,#222);color:var(--dark);border:1px solid var(--border)}.today-class{display:block;width:100%;text-align:left;padding:14px;margin-bottom:8px;background:var(--surface,#222);color:var(--dark);border:1px solid var(--border);border-radius:12px}.theme-picker{margin:20px 0}.theme-picker button,.attendance-button{padding:11px;margin:3px;border-radius:10px;border:1px solid var(--border);background:var(--surface,#222);color:var(--dark)}.theme-picker button.selected{outline:2px solid var(--dark)}.overlay-content textarea{display:block;width:100%;padding:12px;background:var(--surface,#222);color:var(--dark);border:1px solid var(--border);border-radius:10px;font:inherit}.class-extra{margin:18px 0}
:root{--surface:#222}
:root[data-theme="light"]{color-scheme:light;--blue:#171717;--dark:#171717;--gray:#777;--bg:#fafafa;--border:#ddd;--surface:#fff}
:root[data-theme="pink"]{color-scheme:light;--blue:#171717;--dark:#211c20;--gray:#82777d;--bg:#f9eff3;--border:#e7d5dd;--surface:#fff8fa}
:root[data-theme="light"] .header,:root[data-theme="pink"] .header,:root[data-theme="light"] .bottom-nav,:root[data-theme="pink"] .bottom-nav{background:var(--surface)}
:root[data-theme="light"] .book-card,:root[data-theme="pink"] .book-card,:root[data-theme="light"] .detail-card,:root[data-theme="pink"] .detail-card,:root[data-theme="light"] .profile-card,:root[data-theme="pink"] .profile-card,:root[data-theme="light"] .chat-item,:root[data-theme="pink"] .chat-item,:root[data-theme="light"] .trade-card,:root[data-theme="pink"] .trade-card,:root[data-theme="light"] .empty-state,:root[data-theme="pink"] .empty-state,:root[data-theme="light"] #sell-form,:root[data-theme="pink"] #sell-form,:root[data-theme="light"] #auth-form,:root[data-theme="pink"] #auth-form,:root[data-theme="light"] .action-button,:root[data-theme="pink"] .action-button{background:var(--surface);color:var(--dark);border-color:var(--border)}
:root[data-theme="light"] .logo,:root[data-theme="pink"] .logo,:root[data-theme="light"] .bottom-nav button.active,:root[data-theme="pink"] .bottom-nav button.active{color:#111}
:root[data-theme="light"] .search-box,:root[data-theme="pink"] .search-box,:root[data-theme="light"] #search-input,:root[data-theme="pink"] #search-input,:root[data-theme="light"] .timetable-cell,:root[data-theme="pink"] .timetable-cell,:root[data-theme="light"] .dark-form,:root[data-theme="pink"] .dark-form,:root[data-theme="light"] .board-post,:root[data-theme="pink"] .board-post,:root[data-theme="light"] .home-shortcuts button,:root[data-theme="pink"] .home-shortcuts button{background:var(--surface);color:var(--dark);border-color:var(--border)}
:root[data-theme="light"] .timetable-cell.filled{background:#e8effa}:root[data-theme="pink"] .timetable-cell.filled{background:#f5e0e9}
:root[data-theme="light"] .dark-form input,:root[data-theme="pink"] .dark-form input,:root[data-theme="light"] .dark-form select,:root[data-theme="pink"] .dark-form select,:root[data-theme="light"] .dark-form textarea,:root[data-theme="pink"] .dark-form textarea,:root[data-theme="light"] #sell-form input,:root[data-theme="pink"] #sell-form input,:root[data-theme="light"] #sell-form select,:root[data-theme="pink"] #sell-form select,:root[data-theme="light"] #sell-form textarea,:root[data-theme="pink"] #sell-form textarea,:root[data-theme="light"] #auth-form input,:root[data-theme="pink"] #auth-form input{background:var(--surface);color:var(--dark);border-color:var(--border)}
:root[data-theme="light"] .overlay,:root[data-theme="pink"] .overlay{background:var(--bg)}
:root[data-theme="light"] .overlay-header,:root[data-theme="pink"] .overlay-header{background:var(--surface);color:var(--dark)}
:root[data-theme="light"] .primary-btn,:root[data-theme="pink"] .primary-btn{background:#191919;color:white}

/* UniLink: clean single-page header; bottom navigation is the only tab bar. */
.header{padding:14px 18px 12px;min-height:55px}
.header-inner{display:flex;align-items:center;gap:12px}
.header .logo{font-size:24px;line-height:1.2;color:var(--dark)}
.header .tagline{display:none}
.bottom-nav .nav-chat-icon{display:flex;align-items:center;justify-content:center;width:27px;height:27px;line-height:1}
.bottom-nav .nav-chat-icon svg{display:block;width:25px;height:25px}

/* Compact UniLink wordmark with its tagline, no large promotional hero. */
.header .header-inner{display:flex;flex-direction:column;align-items:flex-start;gap:3px}
.header .logo{font-size:25px;font-weight:800;line-height:1.2}
.header .tagline{display:block;font-size:11px;font-weight:400;letter-spacing:.025em;line-height:1.4;color:var(--muted)}

/* UniLink home: uncluttered feature navigation */
#home .home-shortcuts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}
#home .home-shortcuts button{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;text-align:left;gap:8px;min-height:128px;padding:18px;border:1px solid var(--border);border-radius:18px;background:var(--surface);color:var(--dark)}
#home .home-shortcuts button>span{font-size:26px;line-height:1}
#home .home-shortcuts button strong{font-size:16px}
#home .home-shortcuts button small{font-size:12px;color:var(--gray)}
.bottom-nav .nav-book-icon svg{display:block;width:25px;height:25px}

/* Weekly command center */
#home .week-top,#home .week-person{display:flex;justify-content:space-between;align-items:center;gap:10px}
#home .week-top h2{margin:0 0 3px}#home .week-top p{margin:0}
.week-controls{display:flex;gap:5px}.week-controls button{border:1px solid var(--border);background:var(--surface);color:var(--dark);border-radius:9px;padding:7px 10px}
.week-person{margin:16px 0 8px;font-size:14px}.week-person .subtle{font-size:11px}
.week-calendar{background:var(--surface);border:1px solid var(--border);border-radius:15px;overflow:hidden}
.week-grid-head{display:grid;grid-template-columns:38px repeat(7,minmax(0,1fr));padding:9px 2px;border-bottom:1px solid var(--border);font-size:10px;text-align:center}
.week-grid-head .is-today{font-weight:800;color:var(--blue)}
.week-grid-body{display:grid;grid-template-columns:38px repeat(7,minmax(0,1fr));padding:0 2px 12px;position:relative}
.week-time-axis,.week-day-column{height:1980px;position:relative;min-width:0}
.week-time-axis span{position:absolute;left:0;font-size:9px;color:var(--gray);transform:translateY(-6px)}
.week-day-column{border-left:1px solid var(--border);cursor:pointer}
.week-day-column.is-today{background:color-mix(in srgb,var(--blue) 5%,transparent)}
.week-hour-line{position:absolute;width:100%;border-top:1px solid var(--border);pointer-events:none}
.week-event{position:absolute;left:1px;right:1px;width:calc(100% - 2px);border:0;border-radius:4px;padding:3px 1px;color:white;font-size:9px;line-height:1.15;overflow:hidden;overflow-wrap:anywhere;text-align:left;z-index:1}
.week-type-class{background:#648bd5}.week-type-work{background:#bb8547}.week-type-life{background:#50977f}
.week-now-line{position:absolute;left:0;right:0;border-top:2px solid #e34848;z-index:3;pointer-events:none}
.week-friend-empty{padding:40px 18px;text-align:center;color:var(--gray);font-size:13px;line-height:1.8}
.week-legend{display:flex;justify-content:center;gap:16px;margin:12px 0;font-size:11px;color:var(--gray)}
.week-legend span:nth-child(1){color:#648bd5}.week-legend span:nth-child(2){color:#bb8547}.week-legend span:nth-child(3){color:#50977f}
.week-add{width:100%;padding:13px;background:var(--surface);border:1px solid var(--border);border-radius:12px;color:var(--dark);font-weight:700}
.home-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:16px}
.home-actions button{display:flex;flex-direction:column;align-items:center;gap:6px;padding:13px 4px;border:1px solid var(--border);border-radius:13px;background:var(--surface);color:var(--dark);font-size:23px}.home-actions small{font-size:12px}
.home-sheet-backdrop{position:fixed;inset:0;z-index:1000;background:#0009;display:flex;align-items:flex-end;justify-content:center}
.home-sheet-panel{background:var(--surface);color:var(--dark);border-radius:22px 22px 0 0;padding:10px 20px 32px;width:min(100%,650px);max-height:85vh;overflow-y:auto;animation:sheet-in .22s ease-out}
@keyframes sheet-in{from{transform:translateY(100%)}to{transform:translateY(0)}}
.home-sheet-handle{width:40px;height:4px;border-radius:4px;background:var(--border);margin:0 auto 12px}
.home-sheet-head{display:flex;align-items:center;justify-content:space-between}.home-sheet-head h3{margin:0 0 16px}.home-sheet-head button{border:0;background:transparent;color:var(--dark);font-size:28px}
.week-form{display:grid;gap:12px}.week-form label{display:grid;gap:5px;font-size:13px}.week-form input,.week-form select,.mission-add input{width:100%;padding:12px;border:1px solid var(--border);border-radius:9px;background:var(--bg);color:var(--dark)}
.week-save,.mission-add button{border:0;background:var(--dark);color:var(--surface);padding:13px;border-radius:10px}.week-delete{border:1px solid #c44;color:#c44;background:transparent;padding:12px;border-radius:10px}
.mission-row{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--border)}.mission-row span{flex:1}.mission-row button{border:0;background:none;color:var(--gray);font-size:20px}
.mission-add{display:flex;gap:8px;margin-top:16px}.mission-add button{white-space:nowrap}.sheet-menu{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.sheet-menu button{padding:20px 8px;border:1px solid var(--border);border-radius:12px;background:var(--bg);color:var(--dark)}

.calendar-view-toggle{display:flex;gap:4px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:4px;margin:12px 0}
.calendar-view-toggle button{flex:1;border:0;background:transparent;color:var(--dark);border-radius:9px;padding:10px;font-size:13px;font-weight:700}
.calendar-view-toggle button.selected{background:var(--dark);color:var(--surface)}
.week-calendar.is-day-view .week-event{font-size:12px;padding:6px 10px}
.week-calendar.is-day-view .week-grid-head{font-size:13px}

/* UniLink reference layout: full calendar / swipe-open task panel */
:root[data-theme="light"]{--ul-bg:#fff;--ul-panel:#f7f7f7;--ul-ink:#111;--ul-line:#e6e6e6;--ul-event:#eee}
:root[data-theme="dark"]{--ul-bg:#0c0d0f;--ul-panel:#1c1d20;--ul-ink:#fff;--ul-line:#343538;--ul-event:#2a2b2e}
:root[data-theme="pink"]{--ul-bg:#fbd4e2;--ul-panel:#f9c8d9;--ul-ink:#111;--ul-line:#efb9cb;--ul-event:#f6bcd0}
body:has(#home.active),body:has(#home.active) .header,body:has(#home.active) .bottom-nav{background:var(--ul-bg);color:var(--ul-ink)}
body:has(#home.active) .logo{color:var(--ul-ink)}
#home .ul-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
#home .ul-layout.is-open{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
#home .ul-calendar-area,#home .ul-tasks{min-width:0;background:var(--ul-bg);border:1px solid var(--ul-line);border-radius:15px;padding:7px;color:var(--ul-ink)}
#home .ul-tasks[hidden],#home #ul-task-open[hidden]{display:none}
#home #ul-task-open{width:100%;margin-top:9px;border:1px solid var(--ul-line);background:var(--ul-panel);color:var(--ul-ink);padding:12px;border-radius:12px}
#home .ul-tasks-title{display:flex;align-items:center;gap:7px;font-size:12px;margin-bottom:12px}
#home .ul-tasks-title button{background:none;border:0;color:var(--ul-ink);font-size:18px}
#home .ul-task-item{display:flex;gap:6px;align-items:center;background:var(--ul-panel);border-radius:11px;padding:14px 6px;margin-bottom:8px;font-size:11px;overflow-wrap:anywhere}
#home .ul-task-item button{background:none;border:0;color:var(--ul-ink);font-size:22px}
#home .week-calendar{background:transparent;border:0}
#home .week-grid-body{overflow:hidden}
#home .week-time-axis,#home .week-day-column{height:900px}
#home .week-event{background:var(--ul-event);color:var(--ul-ink);border-left:2px solid var(--ul-ink)}
#home .week-grid-head .is-today{color:var(--ul-ink)}
#home .week-day-column.is-today{background:transparent}
#home .week-now-line{border-color:var(--ul-ink)}
#home .ul-layout.is-open .week-event{font-size:7px}
#home .ul-layout.is-open .week-grid-head{font-size:8px}
#home .ul-layout.is-open .week-time-axis span{font-size:7px}
#home .ul-layout.is-open .week-grid-body{grid-template-columns:30px repeat(7,minmax(0,1fr))!important}
#home .ul-layout.is-open .week-grid-head{grid-template-columns:30px repeat(7,minmax(0,1fr))!important}

/* Compact calendar viewport and three-tab navigation */
#home .ul-calendar-area{height:min(58vh,510px);min-height:340px;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
#home .ul-layout.is-open .ul-calendar-area,#home .ul-layout.is-open .ul-tasks{height:min(58vh,510px);min-height:340px;overflow-y:auto}
#home .ul-layout .week-calendar{min-width:0}
#home .ul-layout .week-grid-head{position:sticky;top:0;background:var(--ul-bg);z-index:5}
#home .home-actions{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}
#home .home-actions button{font-size:19px;padding:10px 2px}
#home .home-actions small{font-size:10px}
.bottom-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.bottom-nav button{min-width:0}
@media(max-width:420px){#home .ul-layout.is-open .ul-calendar-area,#home .ul-layout.is-open .ul-tasks{min-height:340px}}

/* Course screen — matches selected black, white or pink theme */
body:has(#course.active){background:var(--ul-bg);color:var(--ul-ink)}
body:has(#course.active) .header,body:has(#course.active) .bottom-nav{background:var(--ul-bg);color:var(--ul-ink)}
#course{color:var(--ul-ink)}
#course h2{font-size:23px;margin:14px 0 6px}
#course #course-back{border:0;background:transparent;color:inherit;padding:12px 0}
#course #course-meta{color:var(--ul-ink);opacity:.7;font-size:13px}
#course .course-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}
#course .course-actions button{min-height:98px;background:var(--ul-panel);border:1px solid var(--ul-line);border-radius:14px;color:var(--ul-ink);font-weight:700;font-size:14px;padding:12px}
#course #course-panel{border:1px solid var(--ul-line);border-radius:14px;padding:14px;min-height:60px}
#course #course-panel:empty{display:none}
#course #course-panel input{max-width:100%;min-height:44px;padding:10px;border-radius:9px;border:1px solid var(--ul-line)}
#course .course-buttons,#course .course-task-form{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
#course .course-buttons button,#course .course-task-form button{min-height:44px;padding:10px 13px;border:1px solid var(--ul-line);border-radius:9px;background:var(--ul-panel);color:var(--ul-ink)}
#course .course-post,#course .course-task{padding:12px 0;border-bottom:1px solid var(--ul-line);overflow-wrap:anywhere}


/* Course hub usability: theme tokens are inherited, never replaced. */
#course .course-task-row{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--ul-line)}
#course .course-task-row input[type="checkbox"]{width:20px;min-height:20px;height:20px;flex-shrink:0;accent-color:var(--ul-ink)}
#course .course-task-row span{flex:1;min-width:0;overflow-wrap:anywhere;font-size:13px}
#course .course-task-row button{min-height:40px;padding:8px 12px;background:var(--ul-panel);color:var(--ul-ink);border:1px solid var(--ul-line);border-radius:9px}
#course .course-attendance-summary{margin-top:15px}
#course .course-attendance-summary .today-class{background:var(--ul-panel);color:var(--ul-ink);border-color:var(--ul-line)}
#course .course-buttons button[aria-pressed="true"]{outline:2px solid var(--ul-ink);outline-offset:1px}
#course .board-post{background:var(--ul-panel);color:var(--ul-ink);border-color:var(--ul-line)}
#course .board-post small,#course .board-post p{color:var(--ul-ink)}
#course .board-replies{border-color:var(--ul-line)}
#course .board-replies p{background:var(--ul-bg);color:var(--ul-ink)}
#course .board-reply-form input,#course .course-task-form textarea{background:var(--ul-bg);color:var(--ul-ink);border:1px solid var(--ul-line);border-radius:9px;padding:12px;min-width:0}
#course .course-task-form textarea{width:100%;font:inherit}
#course .board-reply-form button,#course .board-delete{background:var(--ul-panel);color:var(--ul-ink);border:1px solid var(--ul-line);border-radius:9px;padding:10px}
#course .book-grid{margin:12px 0}
#course .book-card{background:var(--ul-panel);color:var(--ul-ink);border-color:var(--ul-line)}
#course .book-info{color:var(--ul-ink)}
#course .book-price{color:var(--ul-ink)}
#course .primary-btn.secondary-btn{background:var(--ul-panel);color:var(--ul-ink);border-color:var(--ul-line)}

/* UniLink theme selector: compact, accessible circular color swatches */
.theme-picker .theme-swatches{display:flex;align-items:center;gap:18px;margin-top:16px}
.theme-picker .theme-swatches .theme-swatch{position:relative;display:grid;place-items:center;width:48px;height:48px;min-width:48px;padding:0;margin:0;border-radius:50%;border:2px solid rgba(128,128,128,.45);outline:none;box-shadow:0 1px 5px rgba(0,0,0,.12);transition:transform .15s ease,box-shadow .15s ease}
.theme-picker .theme-swatches .theme-swatch-dark{background:#111114;color:#fff}
.theme-picker .theme-swatches .theme-swatch-light{background:#fff;color:#161616;border-color:#aaa}
.theme-picker .theme-swatches .theme-swatch-pink{background:#f4a9ca;color:#2b1824;border-color:#e68eb4}
.theme-picker .theme-swatches .theme-swatch .theme-swatch-check{font-size:22px;font-weight:700;line-height:1;opacity:0}
.theme-picker .theme-swatches .theme-swatch.selected{outline:3px solid var(--dark);outline-offset:4px;transform:scale(1.04)}
.theme-picker .theme-swatches .theme-swatch.selected .theme-swatch-check{opacity:1}
.theme-picker .theme-swatches .theme-swatch:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
@media (prefers-reduced-motion:reduce){.theme-picker .theme-swatches .theme-swatch{transition:none}}

/* Pink theme: use the same home canvas on every page, including chat and profile. */
:root[data-theme="pink"] body,
:root[data-theme="pink"] body:has(#home.active),
:root[data-theme="pink"] body:has(#course.active){background:var(--ul-bg);color:var(--ul-ink)}
:root[data-theme="pink"] .header,
:root[data-theme="pink"] .bottom-nav,
:root[data-theme="pink"] body:has(#home.active) .header,
:root[data-theme="pink"] body:has(#home.active) .bottom-nav,
:root[data-theme="pink"] body:has(#course.active) .header,
:root[data-theme="pink"] body:has(#course.active) .bottom-nav{background:var(--ul-bg);color:var(--ul-ink);border-color:var(--ul-line)}
:root[data-theme="pink"] .bottom-nav button{color:#68545d}
:root[data-theme="pink"] .bottom-nav button.active{color:var(--ul-ink)}
:root[data-theme="pink"] .header .logo{color:var(--ul-ink)}

/* Home swipe: calendar → tasks → friends; friend schedules stay private until sharing exists. */
#home .ul-layout.is-friends{grid-template-columns:minmax(0,1fr)}
#home .ul-layout.is-friends .ul-calendar-area{display:none}
#home .ul-friends-panel{min-width:0;min-height:280px;background:var(--ul-bg);border:1px solid var(--ul-line);border-radius:15px;padding:16px;color:var(--ul-ink)}
#home .ul-friends-panel[hidden]{display:none}
#home .ul-friends-panel .ul-tasks-title{display:flex;align-items:center;gap:12px;margin-bottom:18px}
#home .ul-friends-panel .ul-tasks-title button{background:var(--ul-panel);color:var(--ul-ink);border:1px solid var(--ul-line);border-radius:10px;min-width:42px;min-height:42px;font-size:22px}
#home .ul-friends-panel .subtle{color:var(--ul-ink);opacity:.75}

/* Friends-only photo feed */
.ul-photo-feed{display:grid;gap:14px;min-width:0}
.ul-photo-card{display:grid;gap:8px;padding:12px;border:1px solid var(--ul-line, #ddd);border-radius:14px;min-width:0}
.ul-photo-card img{display:block;width:100%;max-height:400px;object-fit:contain;border-radius:12px}
.ul-photo-card button{justify-self:start}
.ul-friend-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:8px 0;border-bottom:1px solid var(--ul-line, #ddd)}
.ul-friend-row span:first-child{flex:1;min-width:120px}

/* Home v2: calendar-first, reference-inspired mobile layout. */
#home .home-command{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:4px 0 12px;flex-wrap:wrap}
#home .home-command .week-top{display:contents}
#home .home-command .week-top>div:first-child{flex:1 1 140px;min-width:120px}
#home .home-command #calendar-title{font-size:18px;line-height:1.2;margin:0;font-weight:800}
#home .home-command #week-label{font-size:11px;margin-top:4px}
#home .home-command .calendar-view-toggle{order:2;flex:0 0 auto;margin:0;padding:3px;gap:2px}
#home .home-command .calendar-view-toggle button{flex:0 0 auto;padding:7px 11px;font-size:11px}
#home .home-command .week-controls{order:3;gap:3px}
#home .home-command .week-controls button{padding:7px 9px;font-size:12px}
#home .ul-calendar-area{height:min(64vh,580px);min-height:390px;padding:4px 3px;overflow-y:auto;overflow-x:hidden}
#home .ul-layout.is-open .ul-calendar-area,#home .ul-layout.is-open .ul-tasks{height:min(64vh,580px);min-height:390px}
#home .week-grid-head{padding:8px 2px 9px;align-items:center;font-size:11px}
#home .week-grid-head>span{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:0;line-height:1.1}
#home .week-grid-head>span small{font-size:10px;font-weight:500}
#home .week-grid-head>span strong{display:grid;place-items:center;width:23px;height:23px;font-size:12px;border-radius:50%;font-weight:750}
#home .week-grid-head>span.is-today strong{background:var(--ul-ink);color:var(--ul-bg)}
#home .week-event{display:flex;flex-direction:column;align-items:flex-start;gap:3px;text-align:left;overflow:hidden;padding:4px 3px;font-size:10px;line-height:1.2}
#home .week-event strong{display:block;width:100%;font-size:inherit;font-weight:750;overflow-wrap:anywhere}
#home .week-event small{font-size:8px;opacity:.8;white-space:normal}
#home .week-grid-body{padding-bottom:8px}
#home .ul-layout.is-open .week-event{font-size:8px}
#home .ul-layout.is-open .week-event small{display:none}
#home .ul-layout.is-open .week-grid-head>span strong{width:18px;height:18px;font-size:10px}
#home .ul-layout.is-open .week-grid-head>span small{font-size:9px}
@media(max-width:390px){
 #home .home-command{gap:7px}
 #home .home-command #calendar-title{font-size:17px}
 #home .home-command .calendar-view-toggle button{padding:7px 8px}
 #home .home-command .week-controls button{padding:7px 8px}
 #home .week-event{font-size:9px;padding:3px 2px}
 #home .week-event small{font-size:7px}
}

/* Home shortcuts: clear 2-column actions, separate from primary navigation. */
#home .home-shortcuts{margin:16px 0 20px}
#home .home-shortcuts h3{font-size:15px;font-weight:750;margin:0 0 10px;color:var(--ul-ink)}
#home .home-shortcuts .home-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0}
#home .home-shortcuts .home-actions button{display:flex;align-items:flex-start;justify-content:center;flex-direction:column;gap:5px;min-width:0;min-height:105px;padding:13px 14px;border:1px solid var(--ul-line);border-radius:15px;background:var(--ul-panel);color:var(--ul-ink);text-align:left;box-shadow:none}
#home .home-shortcuts .shortcut-icon{display:block;font-size:21px;line-height:1.1;margin-bottom:2px}
#home .home-shortcuts .home-actions strong{font-size:13px;font-weight:750;line-height:1.3}
#home .home-shortcuts .home-actions small{font-size:10px;color:var(--ul-muted);line-height:1.35}
#home .home-shortcuts .home-actions button:focus-visible{outline:2px solid var(--ul-ink);outline-offset:3px}
#home .week-add{position:relative;display:flex;align-items:center;justify-content:center;gap:6px;width:auto;min-height:42px;margin:10px 0 0 auto;padding:8px 14px;border-radius:999px;background:var(--ul-ink);color:var(--ul-bg);border:0;font-size:13px;font-weight:750}
@media(max-width:360px){#home .home-shortcuts .home-actions button{padding:11px;min-height:100px}}

/* Home layout corrections: stack heading above a full-width shortcut grid. */
#home .home-shortcuts{display:block!important;width:100%;margin:14px 0 20px}
#home .home-shortcuts>h3{display:block;margin:0 0 10px}
#home .home-shortcuts>.home-actions{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;width:100%;gap:10px}
#home .home-shortcuts>.home-actions>button{width:100%;min-height:105px}
#home .ul-calendar-area{height:min(54vh,490px);min-height:340px}
#home .ul-layout.is-open .ul-calendar-area,#home .ul-layout.is-open .ul-tasks{height:min(54vh,490px);min-height:340px}
#home .week-time-axis,#home .week-day-column{height:450px}
#home .week-grid-head{position:sticky;top:0;z-index:3;background:var(--ul-bg)}

/* Compact first-screen home: calendar scrolls internally while shortcuts remain visible. */
#home .ul-calendar-area{height:clamp(210px,31dvh,300px);min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain}
#home .ul-layout.is-open .ul-calendar-area,#home .ul-layout.is-open .ul-tasks{height:clamp(210px,31dvh,300px);min-height:0}
#home .home-shortcuts{margin:10px 0 12px}
#home .home-shortcuts>h3{margin-bottom:8px;font-size:14px}
#home .home-shortcuts>.home-actions{gap:8px}
#home .home-shortcuts>.home-actions>button{min-height:76px;padding:10px 12px;gap:3px;border-radius:13px}
#home .home-shortcuts .shortcut-icon{font-size:18px;margin-bottom:0}
#home .home-shortcuts .home-actions strong{font-size:12px}
#home .home-shortcuts .home-actions small{font-size:9px}
#home #ul-task-open{padding:9px;margin-top:7px;font-size:12px}
#home .week-add{min-height:36px;padding:6px 12px;margin-top:7px;font-size:12px}
#home .home-command{margin-bottom:8px}
@media(max-height:750px){
 #home .ul-calendar-area,#home .ul-layout.is-open .ul-calendar-area,#home .ul-layout.is-open .ul-tasks{height:clamp(190px,27dvh,250px)}
 #home .home-shortcuts>.home-actions>button{min-height:68px;padding:8px 10px}
 #home .home-shortcuts .home-actions small{display:none}
}

/* Live current time: red marker only on today's column. */
#home .week-now-line{display:block;left:0;right:0;border-top:2px solid #ef4444!important;z-index:5;pointer-events:none}
#home .week-now-line[hidden]{display:none}
#home .week-now-line::before{content:"";position:absolute;left:-4px;top:-5px;width:8px;height:8px;border-radius:50%;background:#ef4444}
#home .week-time-axis .week-now-label{position:absolute;right:2px;left:auto;transform:translateY(-50%);padding:2px 3px;border-radius:4px;background:#ef4444;color:white;font-size:9px;font-weight:700;line-height:1.15;z-index:6;white-space:nowrap;pointer-events:none}

/* Next-class glance card: compact to keep shortcuts on the first screen. */
#home .home-next-class{display:flex;align-items:center;gap:11px;width:100%;min-height:62px;padding:10px 13px;margin:0 0 9px;text-align:left;border:1px solid var(--ul-line,#333);border-radius:14px;background:var(--ul-panel,#181818);color:var(--ul-ink,#fff)}
#home .home-next-class[hidden]{display:none}
#home .home-next-class-icon{display:grid;place-items:center;flex:0 0 35px;height:35px;border-radius:10px;background:var(--ul-event,#333);font-size:19px}
#home .home-next-class-copy{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
#home .home-next-class-copy small{font-size:10px;opacity:.72}
#home .home-next-class-copy strong{font-size:14px;font-weight:750;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#home .home-next-class-copy>span{font-size:10px;opacity:.75;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#home .home-next-class-arrow{font-size:21px;opacity:.6}


/* UniLink mobile polish: clearer hierarchy, comfortable touch targets and calendar focus. */
#home .home-command{row-gap:10px;column-gap:8px}
#home .home-command .week-controls button,
#home .home-command .calendar-view-toggle button{min-height:40px;min-width:40px;display:inline-flex;align-items:center;justify-content:center}
#home .home-command .calendar-view-toggle{border-radius:13px}
#home .ul-calendar-area{scrollbar-width:thin;scrollbar-color:var(--ul-line) transparent}
#home .week-add{min-height:44px;padding:10px 18px;font-size:13px}
#home #ul-task-open{min-height:44px;font-weight:650}
#home .home-actions button{min-height:82px;border-radius:16px}
.bottom-nav{min-height:72px}
.bottom-nav button{min-height:54px;touch-action:manipulation}
@media(max-width:420px){
 #home .home-command{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center}
 #home .home-command .week-top{display:contents}
 #home .home-command .week-top>div:first-child{grid-column:1;grid-row:1}
 #home .home-command .calendar-view-toggle{grid-column:2;grid-row:1;order:initial}
 #home .home-command .week-controls{grid-column:1 / -1;grid-row:2;display:flex;justify-content:flex-end}
 #home .home-command .week-controls button{min-width:48px}
 #home .home-command #calendar-title{font-size:20px}
 #home .ul-calendar-area{height:clamp(210px,31dvh,300px);min-height:0}
 #home .ul-layout.is-open .ul-calendar-area,#home .ul-layout.is-open .ul-tasks{height:clamp(210px,31dvh,300px);min-height:0}
}

/* Final mobile calendar height guard: keep the week grid scrollable, not page-tall. */
@media (max-width: 700px){
 #home .ul-layout{min-height:0!important;align-items:start!important}
 #home .ul-calendar-area,#home .ul-layout.is-open .ul-calendar-area{box-sizing:border-box!important;height:280px!important;max-height:280px!important;min-height:0!important;overflow-y:auto!important;overflow-x:hidden!important;-webkit-overflow-scrolling:touch}
 #home .ul-layout.is-open .ul-tasks{height:280px!important;max-height:280px!important;min-height:0!important;overflow-y:auto!important}
 #home .week-calendar{height:auto!important;min-height:0!important}
}

/* iOS Safari calendar viewport: preserve visible weekday header and prevent tall page. */
@media(max-width:700px){
 #home .ul-calendar-area{position:relative!important;display:block!important;height:280px!important;max-height:280px!important;min-height:280px!important;overflow-y:auto!important;overflow-x:hidden!important;scroll-padding-top:52px!important}
 #home .week-calendar{display:block!important;min-width:0!important}
 #home .week-grid-head{position:sticky!important;top:0!important;z-index:20!important;min-height:48px!important;background:var(--ul-bg,#0b0b0d)!important;overflow:visible!important}
 #home .week-grid-head>span{overflow:visible!important}
 #home .week-grid-body{min-height:450px!important}
}

/* Mobile home layout refinement: compact overview with independently scrolling schedule */
@media(max-width:700px){
 #home .home-command{margin-bottom:8px!important;gap:6px!important}
 #home .ul-layout{margin:0!important;min-height:0!important}
 #home .ul-calendar-area,#home .ul-layout.is-open .ul-calendar-area{height:245px!important;max-height:245px!important;min-height:245px!important;overflow-y:auto!important;overscroll-behavior:contain!important;border-radius:14px!important}
 #home .week-grid-head{position:sticky!important;top:0!important;z-index:30!important;background:var(--card,#16181d)!important}
 #home .week-grid-body{min-height:450px!important}
 #home .week-add{margin-top:8px!important;min-height:40px!important}
 #home #ul-task-open{margin-top:8px!important;min-height:40px!important}
 #home .home-shortcuts{margin-top:12px!important}
 #home .home-shortcuts h3{margin:0 0 8px!important}
 #home .home-actions{gap:8px!important}
 #home .home-actions button{min-height:68px!important;padding:10px!important}
 #home .home-actions small{font-size:11px!important}
}

/* Mobile: compact week overview; tap a date to see its schedule. */
@media(max-width:700px){
 #home .ul-calendar-area:has(.is-compact-week){height:auto!important;min-height:0!important;max-height:none!important;overflow:visible!important}
 #home .week-calendar.is-compact-week{height:auto!important;min-height:0!important;max-height:none!important;overflow:visible!important;border:1px solid var(--border)!important;border-radius:16px!important;padding:10px!important}
 #home .compact-week-strip{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:3px}
 #home .compact-week-day{min-width:0;display:flex;align-items:center;flex-direction:column;gap:4px;padding:8px 1px;border:0;border-radius:11px;background:transparent;color:inherit}
 #home .compact-week-day small{font-size:12px;opacity:.75}
 #home .compact-week-day strong{font-size:17px}
 #home .compact-week-day.is-selected{background:var(--accent,#ededed);color:#111}
 #home .compact-week-day.is-today:not(.is-selected) strong{text-decoration:underline;text-underline-offset:4px}
 #home .compact-event-count{font-size:10px;opacity:.8;white-space:nowrap}
 #home .compact-week-events{border-top:1px solid var(--border);margin-top:10px;padding-top:9px}
 #home .compact-week-heading{font-size:13px;font-weight:700;margin-bottom:6px}
 #home .compact-week-empty{font-size:13px;opacity:.65;padding:10px 3px;margin:0}
 #home .compact-week-event{display:flex;align-items:center;width:100%;text-align:left;gap:10px;padding:10px 5px;border:0;border-bottom:1px solid var(--border);background:transparent;color:inherit}
 #home .compact-event-time{flex:none;font-size:11px;opacity:.75}
 #home .compact-event-title{font-size:13px;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}

/* LINE-style no-scroll mobile home; existing planner remains available via menu. */
.line-home-legacy[hidden]{display:none!important}
.line-home{display:flex;flex-direction:column;gap:clamp(10px,2dvh,18px);min-height:0}
.line-home-tools{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px 6px}
.line-home-tools button{display:flex;flex-direction:column;align-items:center;gap:7px;min-width:0;background:none;border:0;color:inherit;font-size:12px}
.line-tool-icon{display:grid;place-items:center;width:clamp(44px,12vw,58px);height:clamp(44px,12vw,58px);border-radius:15px;background:var(--surface,#23252b);font-size:23px;font-weight:600}
.line-today{background:var(--surface,#23252b);border:1px solid var(--border,#333);border-radius:16px;padding:12px 14px;min-height:0}
.line-today-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.line-today-head h2{font-size:15px;margin:0}
.line-today-head button{background:none;border:0;color:inherit;font-size:12px;opacity:.75}
.line-today-list{display:flex;flex-direction:column;gap:2px}
.line-today-item{display:flex;align-items:center;width:100%;gap:10px;padding:9px 0;border:0;border-bottom:1px solid var(--border,#333);background:none;color:inherit;text-align:left}
.line-today-item:last-child{border-bottom:0}
.line-today-time{font-size:12px;opacity:.75;flex:none}
.line-today-name{font-size:13px;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.line-today-arrow{opacity:.7}
.line-today-empty{margin:10px 0;font-size:13px;opacity:.7}
.line-today-more{font-size:11px;opacity:.7;text-align:right}
.line-agenda{display:flex;flex-direction:column;gap:8px}
.line-agenda h4{margin:10px 0 0}
.line-agenda p{margin:2px 0}
.line-agenda-event{text-align:left;padding:10px;border:1px solid var(--border,#333);border-radius:10px;background:var(--surface,#222);color:inherit}
@media(max-width:700px){
 body:has(#home.active){height:100dvh;overflow:hidden}
 body:has(#home.active) main{overflow:hidden;min-height:0}
 #home.active{height:100%;min-height:0;overflow:hidden;box-sizing:border-box;display:flex;flex-direction:column;gap:0}
 #home .line-home{flex:1;justify-content:flex-start;overflow:hidden;gap:clamp(9px,1.8dvh,16px)}
 #home .home-next-class{flex:none;margin:0!important;min-height:0!important;padding:clamp(10px,1.7dvh,16px)!important}
 #home .home-next-class-icon{flex:none}
 #home .line-home-tools{flex:none;gap:clamp(5px,1.4dvh,12px) 3px}
 #home .line-home-tools button{gap:4px;font-size:11px;padding:0}
 #home .line-tool-icon{width:clamp(38px,10.5vw,54px);height:clamp(38px,10.5vw,54px);font-size:21px}
 #home .line-today{flex:none;padding:clamp(8px,1.4dvh,12px) 12px}
 #home .line-today-item{padding:clamp(5px,1dvh,9px) 0}
}
@media(max-height:680px) and (max-width:700px){
 #home .line-home{gap:6px}
 #home .line-tool-icon{height:36px;width:36px;border-radius:10px;font-size:18px}
 #home .line-home-tools{gap:4px 2px}
 #home .line-home-tools button{font-size:10px;gap:2px}
 #home .home-next-class{padding:8px!important}
 #home .line-today{padding:7px 10px}
 #home .line-today-item{padding:4px 0}
}

/* Daily swipe home: a single fixed-height screen, with horizontal day navigation. */
.swipe-home{display:flex;flex-direction:column;gap:14px;min-height:0;flex:1}
.swipe-home-top,.swipe-date-row,.swipe-home-footer{display:flex;align-items:center;justify-content:space-between;gap:10px}
.swipe-home-top button,.swipe-date-row button,.swipe-home-footer button{border:1px solid var(--border,#35363b);border-radius:12px;background:var(--surface,#202126);color:inherit;min-height:42px;padding:8px 14px;font-size:14px}
.swipe-home-top #swipe-menu{font-size:22px;min-width:48px}
.swipe-date-row{gap:8px}
.swipe-date-row>button{font-size:26px;min-width:45px}
.swipe-date-label{text-align:center;min-width:0}
.swipe-date-label span{display:block;font-size:12px;opacity:.7;margin-bottom:4px}
.swipe-date-label strong{font-size:19px}
.swipe-day-surface{flex:1;min-height:0;overflow:hidden;touch-action:pan-y;background:var(--surface,#202126);border:1px solid var(--border,#35363b);border-radius:16px;padding:10px}
.swipe-day-events{height:100%;display:flex;flex-direction:column;gap:8px;overflow-y:auto;overscroll-behavior:contain}
.swipe-event{display:flex;align-items:center;gap:12px;width:100%;min-height:60px;padding:12px;text-align:left;color:inherit;background:var(--ul-bg,#111);border:1px solid var(--border,#35363b);border-radius:12px}
.swipe-event-time{font-size:11px;opacity:.7;flex:0 0 78px}
.swipe-event-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.swipe-event-body strong{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.swipe-event-body small{font-size:11px;opacity:.7}
.swipe-event-arrow{opacity:.65}
.swipe-empty{margin:auto;text-align:center;opacity:.7;font-size:14px}
.swipe-home-footer button:first-child{flex:1}
.swipe-home-footer button:last-child{flex:0 0 auto}
@media(max-width:700px){
 body:has(#home.active){height:100dvh;overflow:hidden}
 body:has(#home.active) main{min-height:0;overflow:hidden}
 #home.active{height:100%;min-height:0;overflow:hidden;display:flex;flex-direction:column;box-sizing:border-box}
 #home .swipe-home{flex:1;min-height:0;gap:clamp(8px,1.5dvh,14px)}
 #home .swipe-home-top button,#home .swipe-home-footer button{min-height:40px}
 #home .swipe-day-surface{min-height:0}
 #home .line-home-legacy{display:none!important}
}
@media(max-height:690px) and (max-width:700px){
 #home .swipe-home{gap:6px}
 #home .swipe-home-top button,#home .swipe-home-footer button{min-height:34px;padding:5px 10px}
 #home .swipe-date-row>button{min-height:34px;padding:3px 10px}
 #home .swipe-date-label strong{font-size:16px}
 #home .swipe-event{min-height:48px;padding:8px}
}

/* UniLink calendar-first fixed-screen home */
#home .uni-legacy[hidden]{display:none!important}
#home .uni-shell{display:flex;flex-direction:column;flex:1;min-height:0;gap:10px;overflow:hidden}
#home .uni-stories{display:flex;align-items:center;gap:12px;overflow-x:auto;flex:none;scrollbar-width:none;padding:2px 0 4px}
#home .uni-stories::-webkit-scrollbar{display:none}
#home .uni-story{display:flex;flex-direction:column;align-items:center;gap:4px;flex:none;border:0;background:none;color:inherit;font-size:11px;min-width:52px}
#home .uni-story-circle{display:grid;place-items:center;width:49px;height:49px;border:2px solid #8caeff;border-radius:50%;font-size:17px;font-weight:700;background:#252934}
#home .uni-story-hint{font-size:11px;opacity:.55;white-space:nowrap}
#home .uni-calendar-top{display:grid;grid-template-columns:66px minmax(0,1fr) 66px;gap:6px;align-items:center;flex:none}
#home .uni-side-trigger{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;min-height:42px;border:1px solid var(--ul-line,#38383d);background:var(--ul-surface,#222328);border-radius:12px;color:inherit;font-size:19px}
#home .uni-side-trigger span{font-size:10px}
#home .uni-calendar-title{text-align:center;min-width:0}
#home .uni-calendar-title strong{display:block;font-size:17px}
#home .uni-calendar-title span{font-size:11px;opacity:.7}
#home .uni-calendar-stage{position:relative;display:flex;flex:1;min-height:0;overflow:hidden;border:1px solid var(--ul-line,#38383d);border-radius:14px;background:var(--ul-surface,#1b1c20)}
#home .uni-calendar-center{display:flex;flex-direction:column;flex:1;min-height:0;min-width:0;overflow:hidden}
#home .uni-week-nav{display:flex;align-items:center;justify-content:space-between;flex:none;height:34px;padding:0 8px;border-bottom:1px solid #36383e}
#home .uni-week-nav button{border:0;background:none;color:inherit;min-width:36px;height:30px;font-size:18px}
#home .uni-week-nav #uni-week-today{font-size:12px}
#home .uni-week-days{--uni-time-width:43px;display:grid;grid-template-columns:var(--uni-time-width) repeat(7,minmax(0,1fr));height:44px;flex:none;border-bottom:1px solid #36383e}
#home .uni-week-day{white-space:pre-line;border:0;border-left:1px solid #34363b;background:none;color:inherit;font-size:11px;line-height:1.35;padding:3px 0}
#home .uni-week-day.is-today{background:#35425a;font-weight:800}
#home .uni-calendar-scroll{--uni-time-width:43px;flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}
#home .uni-time-grid{position:relative;min-width:0}
#home .uni-hour-label{position:absolute;left:2px;width:39px;font-size:10px;color:var(--ul-muted,#999);transform:translateY(-7px)}
#home .uni-hour-line{position:absolute;left:var(--uni-time-width);right:0;border-top:1px solid #36383e}
#home .uni-day-column{position:absolute;top:0;bottom:0;border-left:1px solid #34363b}
#home .uni-calendar-event{position:absolute;left:2px;right:2px;width:calc(100% - 4px);overflow:hidden;overflow-wrap:anywhere;text-align:left;padding:3px 2px;border:0;border-radius:4px;color:#fff;background:#315a7c;font-size:10px;line-height:1.2}
#home .uni-event-personal{background:#55608c}
#home .uni-add-event{flex:none;height:36px;border:1px solid var(--ul-line,#38383d);border-radius:11px;background:var(--ul-surface,#24262b);color:inherit;font-size:13px}
#home .uni-side-panel{position:absolute;z-index:5;top:0;bottom:0;width:min(82%,300px);background:var(--ul-surface,#24262b);box-shadow:0 0 25px #0009;display:flex;flex-direction:column;gap:12px;padding:14px;transition:transform .2s ease;pointer-events:none}
#home .uni-left-panel{left:0;transform:translateX(-105%)}
#home .uni-right-panel{right:0;transform:translateX(105%)}
#home .uni-side-panel.is-open{transform:translateX(0);pointer-events:auto}
#home .uni-panel-head{display:flex;justify-content:space-between;align-items:center}
#home .uni-panel-head button{border:0;background:none;color:inherit;font-size:26px}
#home .uni-panel-content{overflow-y:auto;min-height:0;flex:1;display:flex;flex-direction:column;gap:9px}
#home .uni-panel-content button,#home .uni-panel-link{border:1px solid var(--ul-line,#38383d);background:transparent;color:inherit;border-radius:9px;padding:12px;text-align:left}
#home .uni-no-tasks,#home .uni-friends-empty{font-size:13px;opacity:.7}
@media(max-width:700px){
 body:has(#home.active){height:100dvh;overflow:hidden}
 body:has(#home.active) main{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden;padding-top:8px!important;padding-bottom:8px!important}
 #home.active{display:flex!important;flex:1;min-height:0;height:auto!important;overflow:hidden!important}
 body:has(#home.active) .header{flex:none;padding:10px 16px!important}
 body:has(#home.active) .tagline{display:none}
 body:has(#home.active) .logo{font-size:22px}
 body:has(#home.active) .bottom-nav{flex:none}
 #home .uni-shell{gap:8px}
 #home .uni-story-circle{width:43px;height:43px}
}
@media(max-height:700px) and (max-width:700px){
 #home .uni-story-circle{width:35px;height:35px}
 #home .uni-calendar-top{grid-template-columns:55px minmax(0,1fr) 55px}
 #home .uni-side-trigger{min-height:35px}
 #home .uni-week-days{height:37px}
 #home .uni-shell{gap:5px}
}

/* Reference: permanent slim rails flank the seven-day time grid */
#home .uni-calendar-top{grid-template-columns:48px minmax(0,1fr) 48px!important}
#home .uni-calendar-stage{gap:4px;border:0!important;background:transparent!important}
#home .uni-edge-rail{display:flex;flex-direction:column;align-items:center;justify-content:space-around;gap:12px;flex:0 0 39px;min-width:0;border:1px solid #434959;border-radius:15px;background:linear-gradient(165deg,#353b51,#252b3b);color:#fff;padding:10px 2px;font-size:10px;min-height:0}
#home .uni-edge-rail span:first-child{font-size:21px}
#home .uni-calendar-center{border:1px solid #393f4b;border-radius:14px;background:#171a21}
#home .uni-week-nav{height:39px}
#home .uni-calendar-scroll{touch-action:pan-y}
#home .uni-side-panel{width:min(88%,330px);background:#1b1f2a;border:1px solid #454b5c;border-radius:16px}
#home .uni-left-panel{left:0}
#home .uni-right-panel{right:0}
#home .uni-calendar-event{font-size:9px}
#home .uni-add-event{height:32px}
@media(max-width:700px){
 #home .uni-shell{gap:5px!important}
 #home .uni-stories{flex:0 0 auto}
 #home .uni-calendar-stage{flex:1!important;min-height:0!important}
 #home .uni-calendar-center{flex:1!important;min-height:0!important}
 #home .uni-calendar-scroll{flex:1!important;min-height:0!important}
 #home .uni-edge-rail{flex-basis:33px}
 #home .uni-week-days{--uni-time-width:36px;height:40px}
 #home .uni-calendar-scroll{--uni-time-width:36px}
 #home .uni-hour-label{font-size:9px;width:34px}
 #home .uni-week-day{font-size:10px}
 #home .uni-calendar-top{grid-template-columns:42px minmax(0,1fr) 42px!important}
 #home .uni-side-trigger{font-size:15px}
 #home .uni-side-trigger span{font-size:9px}
}

#home .uni-week-nav{gap:3px}#home .uni-week-nav #uni-view-toggle{font-size:11px;border:1px solid #50586d;border-radius:8px;min-width:64px;background:#292e3b}#home .uni-story.is-selected .uni-story-circle{border-color:#f1f3ff;box-shadow:0 0 0 2px #7d91ff}#home .uni-panel-content button{min-height:48px}

/* Allow 00:00–24:00 internal calendar scrolling, while keeping the shell fixed. */
#home .uni-calendar-scroll{display:block!important;height:0;flex:1 1 0!important;min-height:0!important;max-height:100%;overflow-y:scroll!important;overflow-x:hidden!important;-webkit-overflow-scrolling:touch!important;touch-action:pan-y!important;overscroll-behavior-y:contain}
#home .uni-time-grid{display:block;min-height:1728px;flex:none;position:relative}
#home .uni-calendar-center{min-height:0!important;overflow:hidden!important}

/* iPhone home viewport: use available screen height for calendar, not a collapsed flex parent. */
@media(max-width:700px){
 html:has(#home.active),body:has(#home.active){height:100%;height:100dvh;min-height:0;overflow:hidden}
 body:has(#home.active){display:flex;flex-direction:column}
 body:has(#home.active) .header{flex:0 0 auto;padding:9px 16px!important}
 body:has(#home.active) .bottom-nav{position:relative!important;flex:0 0 auto;padding:9px 3px max(10px,env(safe-area-inset-bottom))}
 body:has(#home.active) main{width:100%;max-width:650px;flex:1 1 0;min-height:0;height:0;overflow:hidden;padding:8px 12px 7px!important}
 #home.active{height:100%!important;min-height:0!important;display:flex!important}
 #home .uni-shell{height:100%;width:100%;flex:1 1 0;min-height:0;gap:7px!important}
 #home .uni-stories{flex:0 0 auto;min-height:63px}
 #home .uni-calendar-top{flex:0 0 auto;min-height:50px}
 #home .uni-calendar-stage{flex:1 1 0!important;height:0;min-height:0!important;overflow:hidden}
 #home .uni-calendar-center{flex:1 1 0!important;height:100%;min-height:0!important}
 #home .uni-calendar-scroll{height:0!important;flex:1 1 0!important;overflow-y:auto!important}
 #home .uni-edge-rail{min-height:0}
 #home .uni-add-event{flex:0 0 40px;height:40px;font-size:14px}
}


/* UniLink calendar: match the selected light/pink theme instead of forcing dark surfaces. */
:root[data-theme="light"] #home,
:root[data-theme="pink"] #home{
  --uni-calendar-bg:var(--surface);
  --uni-calendar-text:var(--dark);
  --uni-calendar-grid:var(--border);
  --uni-calendar-rail:var(--surface);
  --uni-calendar-selected:#dce7ff;
}
:root[data-theme="pink"] #home{
  --uni-calendar-bg:#fff8fb;
  --uni-calendar-grid:#e8cdd9;
  --uni-calendar-rail:#f7e4ed;
  --uni-calendar-selected:#f4d1e2;
}
:root[data-theme="light"] #home .uni-calendar-center,
:root[data-theme="pink"] #home .uni-calendar-center,
:root[data-theme="light"] #home .uni-calendar-stage,
:root[data-theme="pink"] #home .uni-calendar-stage{
  background:var(--uni-calendar-bg);
  color:var(--uni-calendar-text);
  border-color:var(--uni-calendar-grid);
}
:root[data-theme="light"] #home .uni-edge-rail,
:root[data-theme="pink"] #home .uni-edge-rail{
  background:var(--uni-calendar-rail);
  color:var(--uni-calendar-text);
  border-color:var(--uni-calendar-grid);
}
:root[data-theme="light"] #home .uni-side-trigger,
:root[data-theme="pink"] #home .uni-side-trigger,
:root[data-theme="light"] #home .uni-add-event,
:root[data-theme="pink"] #home .uni-add-event,
:root[data-theme="light"] #home .uni-week-nav #uni-view-toggle,
:root[data-theme="pink"] #home .uni-week-nav #uni-view-toggle,
:root[data-theme="light"] #home .uni-side-panel,
:root[data-theme="pink"] #home .uni-side-panel{
  background:var(--uni-calendar-rail);
  color:var(--uni-calendar-text);
  border-color:var(--uni-calendar-grid);
}
:root[data-theme="light"] #home .uni-story-circle,
:root[data-theme="pink"] #home .uni-story-circle{
  background:var(--uni-calendar-bg);
  color:var(--uni-calendar-text);
}
:root[data-theme="light"] #home .uni-week-nav,
:root[data-theme="pink"] #home .uni-week-nav,
:root[data-theme="light"] #home .uni-week-days,
:root[data-theme="pink"] #home .uni-week-days,
:root[data-theme="light"] #home .uni-week-day,
:root[data-theme="pink"] #home .uni-week-day,
:root[data-theme="light"] #home .uni-hour-line,
:root[data-theme="pink"] #home .uni-hour-line,
:root[data-theme="light"] #home .uni-day-column,
:root[data-theme="pink"] #home .uni-day-column{
  border-color:var(--uni-calendar-grid);
}
:root[data-theme="light"] #home .uni-week-day.is-today,
:root[data-theme="pink"] #home .uni-week-day.is-today{
  background:var(--uni-calendar-selected);
  color:var(--uni-calendar-text);
}
:root[data-theme="light"] #home .uni-hour-label,
:root[data-theme="pink"] #home .uni-hour-label{color:#746c76}
:root[data-theme="light"] #home .uni-calendar-event,
:root[data-theme="pink"] #home .uni-calendar-event{color:#fff}

/* Interaction polish: responsive controls without moving the fixed home viewport. */
:root{--uni-motion-fast:140ms;--uni-motion-medium:220ms;--uni-motion-ease:cubic-bezier(.22,1,.36,1)}
@media (hover:hover) and (pointer:fine){
 #home button:not(:disabled):hover,.uni-profile-page button:not(:disabled):hover{filter:brightness(1.09)}
}
#home button:not(:disabled),.uni-profile-page button:not(:disabled){
 -webkit-tap-highlight-color:transparent;
 transition:background-color var(--uni-motion-fast) ease,border-color var(--uni-motion-fast) ease,opacity var(--uni-motion-fast) ease,transform var(--uni-motion-fast) var(--uni-motion-ease),filter var(--uni-motion-fast) ease;
}
#home button:not(:disabled):active,.uni-profile-page button:not(:disabled):active{transform:scale(.975);filter:brightness(1.08)}
#home button:focus-visible,.uni-profile-page button:focus-visible{outline:2px solid #8da7ff;outline-offset:3px}
#home .ul-calendar-area{overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch}
#home .ul-layout{touch-action:pan-y}
@media (prefers-reduced-motion:reduce){
 #home button,.uni-profile-page button{transition:none!important;animation:none!important}
}

/* iPhone-safe calendar sheets: keep fields visible above the software keyboard. */
#home-sheet-root .home-sheet-backdrop{position:fixed;inset:0;z-index:1100;display:flex;align-items:flex-end;justify-content:center;padding:0;overscroll-behavior:contain}
#home-sheet-root .home-sheet-panel{box-sizing:border-box;width:min(100%,560px);max-height:min(92dvh,900px);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding-bottom:max(20px,env(safe-area-inset-bottom))}
#home-sheet-root .week-form input,#home-sheet-root .week-form select,#home-sheet-root .week-form textarea{font-size:16px;max-width:100%;box-sizing:border-box}
#home-sheet-root .week-form button{min-height:44px}
@media (max-width:700px){
 #home-sheet-root .home-sheet-panel{max-height:calc(100dvh - max(12px,env(safe-area-inset-top)));border-radius:20px 20px 0 0}
 #home-sheet-root .week-form{padding-bottom:12px}
}
@media (prefers-reduced-motion:reduce){#home-sheet-root .home-sheet-panel{scroll-behavior:auto}}


/* UniLink welcome + authentication flow */
body:has(#welcome.active),body:has(#auth.active){background:#090a0d;color:#f7f8fb;min-height:100dvh}
body:has(#welcome.active) .header,body:has(#welcome.active) .bottom-nav,
body:has(#auth.active) .header,body:has(#auth.active) .bottom-nav{display:none!important}
body:has(#welcome.active) main,body:has(#auth.active) main{padding:0!important;max-width:none!important;min-height:100dvh}
.uni-welcome,.uni-auth-page{min-height:100dvh;background:
 radial-gradient(circle at 80% 15%,rgba(78,111,255,.18),transparent 24%),
 radial-gradient(circle at 15% 40%,rgba(95,122,255,.09),transparent 26%),
 #090a0d;color:#f7f8fb}
.uni-welcome-shell,.uni-auth-shell{width:min(100%,520px);margin:auto;box-sizing:border-box;padding:26px 22px calc(30px + env(safe-area-inset-bottom))}
.uni-welcome-brand{display:flex;flex-direction:column;gap:5px;margin:10px 0 20px}
.uni-welcome-brand strong{font-size:44px;letter-spacing:-.045em;line-height:1;font-weight:900}
.uni-welcome-brand span{font-size:17px;color:#d9dce7;letter-spacing:.02em}
.uni-welcome-hero{position:relative;height:310px;margin:6px -8px 18px;overflow:hidden}
.uni-welcome-orbit{position:absolute;border:1px solid rgba(102,132,255,.45);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}
.uni-welcome-orbit-a{width:330px;height:220px;transform:translate(-50%,-50%) rotate(-8deg)}
.uni-welcome-orbit-b{width:240px;height:310px;transform:translate(-50%,-50%) rotate(24deg)}
.uni-welcome-phone{position:absolute;left:50%;top:15px;transform:translateX(-50%) rotate(5deg);width:196px;height:275px;border:1px solid #49506a;border-radius:28px;background:linear-gradient(180deg,#11141b,#0d0f14);box-shadow:0 25px 55px #000b,0 0 40px rgba(77,108,255,.16);padding:16px;box-sizing:border-box}
.uni-welcome-phone-head{display:flex;justify-content:space-between;align-items:center}.uni-welcome-phone-head strong{font-size:15px}.uni-welcome-phone-head span{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;border:1px solid #7089ff}
.uni-welcome-phone-month{text-align:center;font-size:12px;margin:14px 0 8px;color:#e9ebf3}
.uni-welcome-phone-week{display:grid;grid-template-columns:repeat(5,1fr);gap:3px;text-align:center;font-size:8px;color:#8e94a6}.uni-welcome-phone-week b{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;font-size:10px;color:#fff}.uni-welcome-phone-week .active b{background:#6787ff}
.uni-welcome-phone-event{position:absolute;left:18px;padding:8px 10px;border-radius:9px;font-size:10px;line-height:1.15;background:linear-gradient(135deg,#2a4a70,#303a69);box-shadow:inset 3px 0 #6ddbc8}.uni-welcome-phone-event small{font-size:7px;color:#d7dae6}.event-a{top:112px;width:100px}.event-b{top:166px;left:62px;width:105px;background:linear-gradient(135deg,#38305e,#4b3873);box-shadow:inset 3px 0 #9b7cff}
.uni-welcome-phone-friends{position:absolute;left:20px;bottom:18px;display:flex;gap:7px}.uni-welcome-phone-friends i{display:grid;place-items:center;width:24px;height:24px;border:2px solid #dfe6ff;border-radius:50%;background:#2a2d34;font-size:9px;font-style:normal}
.uni-welcome-float{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:82px;height:82px;border:1px solid #3e4864;border-radius:22px;background:rgba(25,29,39,.87);box-shadow:0 14px 34px #0007;color:#b9c7ff;font-size:27px}.uni-welcome-float span{font-size:10px;color:#edf0f9}.float-calendar{left:4px;top:45px;transform:rotate(-7deg)}.float-friends{right:0;top:52px;border-radius:50%}.float-books{right:8px;bottom:8px;transform:rotate(7deg)}
.uni-welcome-features{display:grid;gap:10px;margin-top:4px}.uni-welcome-features>div{display:grid;grid-template-columns:44px 1fr 18px;gap:11px;align-items:center;padding:13px 14px;border:1px solid #303643;border-radius:17px;background:linear-gradient(180deg,rgba(30,33,41,.9),rgba(20,22,28,.9));box-shadow:0 8px 22px #0004}.uni-welcome-features>div>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#202b4a;color:#88a2ff;font-size:20px}.uni-welcome-features p{display:flex;flex-direction:column;gap:3px;margin:0}.uni-welcome-features strong{font-size:16px}.uni-welcome-features small{font-size:11px;color:#aeb3c0}.uni-welcome-features b{font-size:24px;color:#cfd4e4;font-weight:400}
.uni-welcome-primary,.uni-auth-primary{width:100%;min-height:54px;border:0;border-radius:17px;margin-top:18px;background:linear-gradient(90deg,#5d7fff,#7896ff);color:#fff;font-size:17px;font-weight:800;box-shadow:0 12px 30px rgba(87,117,255,.2)}.uni-welcome-primary{display:flex;align-items:center;justify-content:center;position:relative}.uni-welcome-primary span{position:absolute;right:18px;font-size:26px}
.uni-welcome-secondary,.uni-auth-secondary{width:100%;min-height:50px;border:1px solid #566071;border-radius:16px;margin-top:10px;background:#121419;color:#f5f6fa;font-weight:750}
.uni-welcome-install,.uni-auth-install-card{width:100%;display:grid;grid-template-columns:44px 1fr 18px;align-items:center;gap:12px;text-align:left;margin-top:18px;padding:14px;border:1px solid #2c323d;border-radius:17px;background:#15181f;color:#f5f6fa}.uni-welcome-install>span,.uni-auth-install-card>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#202b43;color:#b9c8ff;font-size:22px}.uni-welcome-install p,.uni-auth-install-card p{margin:0;line-height:1.45;font-size:13px}.uni-welcome-install b,.uni-auth-install-card b{font-size:23px;color:#cfd4df}.uni-welcome-note{text-align:center;color:#7f8591;font-size:10px;margin:12px 0 0}

.uni-auth-shell{padding-top:max(20px,env(safe-area-inset-top))}
.uni-auth-top{display:grid;grid-template-columns:44px 1fr 44px;align-items:center;margin-bottom:28px}.uni-auth-top>button{width:44px;height:44px;border:0;border-radius:50%;background:#15181e;color:#fff;font-size:20px}.uni-auth-top>strong{text-align:center;font-size:18px}
.uni-auth-copy h2{font-size:32px;letter-spacing:-.035em;margin:0 0 9px}.uni-auth-copy p{margin:0;color:#aeb4c2;line-height:1.65;font-size:14px}
.uni-auth-mode{display:grid;grid-template-columns:1fr 1fr;background:#15181e;border:1px solid #2b303a;border-radius:14px;padding:4px;margin:22px 0 8px}.uni-auth-mode button{border:0;border-radius:10px;background:transparent;color:#8e95a5;min-height:40px;font-weight:750}.uni-auth-mode button.selected{background:#252a34;color:#fff;box-shadow:0 3px 12px #0006}
.uni-auth-form{display:grid;gap:10px;background:transparent!important;border:0!important;padding:0!important}.uni-auth-form label{margin:10px 0 0!important;color:#d9dce6;font-size:12px!important;font-weight:700}.uni-auth-form input{box-sizing:border-box;width:100%;background:#171a20!important;color:#fff!important;border:1px solid #343a46!important;border-radius:13px!important;padding:15px!important;font-size:16px!important;outline:none}.uni-auth-form input:focus{border-color:#6f8bff!important;box-shadow:0 0 0 3px rgba(100,129,255,.13)}
.uni-auth-status{margin:10px 0 4px;min-height:0;font-size:12px;color:#b7bdc9}.uni-auth-status:not(:empty){padding:11px 12px;border:1px solid #303641;border-radius:12px;background:#151820}
.uni-auth-install-card{margin-top:24px}.uni-auth-install-card p{display:flex;flex-direction:column;gap:3px}.uni-auth-install-card small{color:#9299a8;font-size:11px}.uni-auth-legal{display:flex;align-items:center;justify-content:center;gap:7px;color:#777f8e;margin:22px 0 0;font-size:11px}.uni-auth-legal button{border:0;background:none;color:#8e95a4;font-size:11px}.uni-auth-logout{margin-top:16px}

.uni-install-guide[hidden]{display:none!important}.uni-install-guide{position:fixed;inset:0;z-index:1000;display:flex;align-items:flex-end;justify-content:center}.uni-install-backdrop{position:absolute;inset:0;border:0;background:rgba(0,0,0,.68);backdrop-filter:blur(6px)}.uni-install-sheet{position:relative;z-index:1;width:min(100%,520px);box-sizing:border-box;padding:12px 22px calc(24px + env(safe-area-inset-bottom));border:1px solid #303642;border-bottom:0;border-radius:28px 28px 0 0;background:linear-gradient(180deg,#171a21,#0f1116);color:#fff;box-shadow:0 -20px 60px #0009}.uni-install-handle{width:45px;height:5px;border-radius:3px;background:#555b67;margin:0 auto 18px}.uni-install-kicker{display:inline-block;padding:5px 9px;border-radius:20px;background:#22315e;color:#a9bdff;font-size:10px;font-weight:800}.uni-install-sheet h2{font-size:25px;line-height:1.35;margin:12px 0 8px}.uni-install-sheet>p{color:#a7aeba;font-size:13px;margin:0 0 18px}.uni-install-steps{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:6px}.uni-install-steps>div{min-width:0;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}.uni-install-steps span{display:grid;place-items:center;width:45px;height:45px;border-radius:14px;background:#232d49;color:#b7c5ff;font-size:20px}.uni-install-steps strong{font-size:10px}.uni-install-steps>b{color:#60697a;font-size:20px}.uni-install-preview{display:flex;align-items:center;gap:12px;margin:19px 0 4px;padding:14px;border:1px solid #313744;border-radius:15px;background:#1b1e25}.uni-install-preview>span{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#232b40;color:#bfcbff;font-size:20px}.uni-install-preview>div{display:flex;flex-direction:column;gap:3px}.uni-install-preview strong{font-size:13px}.uni-install-preview small{font-size:10px;color:#969dab}.uni-install-foot{display:block;text-align:center;color:#7d8594;font-size:9px;margin-top:12px}
@media(min-width:700px){.uni-welcome-shell,.uni-auth-shell{padding-top:34px}.uni-install-sheet{margin-bottom:20px;border-radius:28px;border-bottom:1px solid #303642}}

.uni-auth-helper{display:block;color:#7f8795;font-size:10px;margin-top:-5px;padding-left:2px}
.uni-auth-primary:disabled,.uni-auth-secondary:disabled{opacity:.55;cursor:default}
@media(max-width:390px){
 .uni-welcome-shell{padding-left:17px;padding-right:17px}
 .uni-welcome-brand strong{font-size:40px}
 .uni-welcome-hero{height:285px}
 .uni-welcome-phone{transform:translateX(-50%) rotate(4deg) scale(.92);transform-origin:top center}
 .uni-welcome-float{width:72px;height:72px}
}

.uni-auth-text-button{width:100%;border:0;background:transparent;color:#9da6b7;font-size:12px;padding:10px 4px 2px;text-decoration:underline;text-underline-offset:3px}
.uni-auth-text-button:hover{color:#c8d0df}

#home .uni-story>span:last-child{max-width:58px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#home .uni-story[data-friend-id] .uni-story-circle{background:linear-gradient(145deg,#28334f,#1d2230);border-color:#7692ff}
#home .uni-story[data-friend-id].is-selected .uni-story-circle{border-color:#f5f7ff;box-shadow:0 0 0 2px #718cff,0 0 18px rgba(113,140,255,.28)}
#home .uni-story-add .uni-story-circle{border-style:dashed;color:#b8c5ff}
#home .uni-calendar-event.is-friend-event{background:linear-gradient(145deg,#4d3d78,#394f80);box-shadow:inset 3px 0 #a78bfa;opacity:1}
#home .uni-calendar-event.is-friend-event:disabled{color:#fff;-webkit-text-fill-color:#fff;cursor:default}

.uni-notification-sheet{display:grid;gap:8px}
.uni-notification-section-title{margin:8px 0 3px;font-size:12px;font-weight:800;color:var(--muted,#9ca3af)}
.uni-notification-empty{margin:0 0 8px;padding:14px;border:1px solid var(--border,#34343a);border-radius:13px;color:var(--muted,#9ca3af);font-size:12px;line-height:1.55}
.uni-notification-row{width:100%;display:grid;grid-template-columns:42px 1fr 16px;align-items:center;gap:11px;text-align:left;padding:11px 3px;border:0;border-bottom:1px solid var(--border,#2d2f35);background:transparent;color:inherit}
.uni-notification-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#27304a;color:#dfe6ff;font-size:15px;font-weight:800}
.uni-notification-icon.is-event{border-radius:12px;background:#352f55;color:#c8bbff;font-size:19px}
.uni-notification-copy{display:flex;flex-direction:column;gap:3px;min-width:0}
.uni-notification-copy strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uni-notification-copy small{font-size:10px;color:var(--muted,#9298a6);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.uni-auth-consent{display:flex!important;align-items:flex-start!important;gap:9px!important;margin:10px 0 0!important;color:#aeb4c2!important;font-size:11px!important;line-height:1.55}
.uni-auth-consent input{width:18px!important;height:18px!important;min-width:18px;padding:0!important;margin:1px 0 0!important;accent-color:#6f8bff}
.uni-auth-consent span{display:block}
.uni-auth-consent button{border:0;background:transparent;color:#b9c7ff;padding:0;font:inherit;text-decoration:underline;text-underline-offset:2px}
.uni-legal-sheet{display:grid;gap:14px;padding-bottom:8px}
.uni-legal-sheet section{padding-bottom:12px;border-bottom:1px solid var(--border,#30343b)}
.uni-legal-sheet section:last-child{border-bottom:0}
.uni-legal-sheet h4{margin:0 0 6px;font-size:13px}
.uni-legal-sheet p{margin:0;color:var(--muted,#9ca3af);font-size:12px;line-height:1.7}

.uni-support-sheet{display:grid;gap:14px}
.uni-support-history{display:grid;gap:8px}
.uni-support-history-row{display:flex;flex-direction:column;gap:4px;padding:11px 12px;border:1px solid var(--border,#30343b);border-radius:12px;background:var(--surface,#171a20)}
.uni-support-history-row strong{font-size:12px}
.uni-support-history-row small{font-size:10px;color:var(--muted,#9399a7)}
.board-report{border:0;background:transparent;color:var(--muted,#9ca3af);font-size:11px;text-decoration:underline;text-underline-offset:2px;padding:5px 0}

.uni-block-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.uni-block-row>span{min-width:0;display:flex;flex-direction:column;gap:3px}
.uni-block-row>span strong,.uni-block-row>span small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.uni-block-row>button{width:auto;min-height:36px;margin:0;padding:7px 13px;flex:none}

.uni-auth-confirm-panel{display:grid;gap:10px;text-align:center;padding:22px 0 4px}
.uni-auth-confirm-panel[hidden]{display:none!important}
.uni-auth-confirm-icon{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 4px;border-radius:18px;background:#202b4a;color:#aebeff;font-size:26px;box-shadow:0 10px 30px rgba(84,111,230,.15)}
.uni-auth-confirm-panel h3{margin:4px 0 0;font-size:22px}
.uni-auth-confirm-panel p{margin:0;color:#aeb4c2;font-size:13px;line-height:1.7;word-break:break-word}
.uni-auth-confirm-panel>small{color:#7f8795;font-size:10px;line-height:1.55}
.uni-block-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.uni-block-row>span{display:flex;flex-direction:column;gap:3px;min-width:0}
.uni-block-row>span small{color:var(--muted,#9399a7)}
.uni-block-row>button{width:auto;min-width:74px;margin:0}

/* Beta academic fields: keep selects consistent with text inputs on mobile. */
.uni-auth-form #signup-academic-fields{display:grid;gap:10px;min-width:0}
.uni-auth-form #signup-academic-fields[hidden]{display:none!important}
.uni-auth-form select{box-sizing:border-box;width:100%;min-height:51px;background:#171a20!important;color:#fff!important;border:1px solid #343a46!important;border-radius:13px!important;padding:12px 15px!important;font-size:16px!important;outline:none}
.uni-auth-form select:focus{border-color:#6f8bff!important;box-shadow:0 0 0 3px rgba(100,129,255,.13)}
.uni-auth-form select:disabled{opacity:.75}
.uni-profile-edit-form select{width:100%;box-sizing:border-box;min-height:43px;padding:11px;border-radius:9px;border:1px solid var(--border,#444);background:var(--surface,#222226);color:inherit;font:inherit}
.uni-profile-edit-form select:focus{outline:2px solid #6f8bff;outline-offset:1px}


/* Dedicated settings screen */
.uni-settings-page{padding:0 0 100px;min-height:100dvh;background:var(--bg,#101014);color:var(--text,#f5f5f7)}
.uni-settings-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border,#34343b)}
.uni-settings-head h2{font-size:20px;font-weight:750;margin:0}
.uni-settings-head>button{background:transparent;border:0;color:inherit;font-size:28px;min-width:36px;text-align:left}
.uni-settings-head>span{width:36px}
.uni-settings-content{max-width:600px;margin:auto;padding:18px 18px 36px}
.uni-settings-content h3{font-size:12px;letter-spacing:.06em;opacity:.62;margin:26px 8px 10px}
.uni-settings-profile,.uni-settings-item{width:100%;display:flex;align-items:center;gap:12px;text-align:left;border:1px solid var(--border,#34343b);background:var(--card,#202025);color:inherit;border-radius:15px;padding:17px 16px;margin:8px 0;font:inherit}
.uni-settings-profile>span:nth-child(2){display:flex;flex-direction:column;gap:4px;flex:1}
.uni-settings-profile small,.uni-settings-group p{font-size:12px;opacity:.62}
.uni-settings-avatar{width:48px;height:48px;display:grid;place-items:center;border-radius:50%;background:var(--border,#34343b);font-size:23px}
.uni-settings-profile>span:last-child,.uni-settings-item>span{margin-left:auto;opacity:.55;font-size:22px}
.uni-settings-item{min-height:54px;justify-content:space-between}
.uni-settings-group{border:1px solid var(--border,#34343b);background:var(--card,#202025);border-radius:15px;padding:16px}
.uni-settings-group h4{margin:0;font-size:15px}
.uni-settings-group p{margin:5px 0 12px}
.uni-settings-danger{color:#e97079}
.uni-settings-page button:focus-visible{outline:3px solid #8c9cff;outline-offset:2px}

/* Theme accent customization */
:root{--uni-accent:#4389ed}
:root[data-accent="pink"]{--uni-accent:#ec71a4}
:root[data-accent="blue"]{--uni-accent:#4389ed}
:root[data-accent="purple"]{--uni-accent:#9770de}
:root[data-accent="green"]{--uni-accent:#40a78c}
:root[data-accent="orange"]{--uni-accent:#eb9454}
:root[data-accent="mono"]{--uni-accent:#85858d}
.uni-accent-options{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0 2px}
.uni-accent-options button{width:38px;height:38px;border:2px solid transparent;border-radius:50%;display:grid;place-items:center;cursor:pointer;color:white;transition:transform .16s ease,outline-color .16s ease}
.uni-accent-options button[data-accent="pink"]{background:#ec71a4}
.uni-accent-options button[data-accent="blue"]{background:#4389ed}
.uni-accent-options button[data-accent="purple"]{background:#9770de}
.uni-accent-options button[data-accent="green"]{background:#40a78c}
.uni-accent-options button[data-accent="orange"]{background:#eb9454}
.uni-accent-options button[data-accent="mono"]{background:#85858d}
.uni-accent-options button span{opacity:0}
.uni-accent-options button.selected{outline:2px solid var(--uni-accent);outline-offset:3px;transform:scale(1.04)}
.uni-accent-options button.selected span{opacity:1}
.uni-accent-options button:focus-visible{outline:3px solid var(--uni-accent);outline-offset:4px}
.uni-settings-page .uni-settings-profile:focus-visible,.uni-settings-page .uni-settings-item:focus-visible{outline-color:var(--uni-accent)}
.uni-settings-page .uni-settings-profile>span:last-child,.uni-settings-page .uni-settings-item>span{color:var(--uni-accent);opacity:1}
@media(prefers-reduced-motion:reduce){.uni-accent-options button{transition:none}}

/* Conversation list previews and unread counters */
.chat-item{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding-right:55px;text-align:left}
.chat-item-label{display:block;font-weight:650;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-item-preview{display:block;font-size:12px;color:var(--gray,#888);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-unread-count{position:absolute;right:14px;top:50%;transform:translateY(-50%);min-width:23px;height:23px;border-radius:999px;background:var(--uni-accent,#4389ed);color:white;display:grid;place-items:center;padding:0 6px;font-size:12px;font-weight:700}

/* Extended appearance presets */
:root[data-theme="navy"]{color-scheme:dark;--bg:#101c30;--dark:#e9f0ff;--gray:#a4b4d0;--border:#30435e;--surface:#1a2a43;--ul-bg:#101c30;--ul-panel:#1a2a43;--ul-ink:#e9f0ff;--ul-line:#30435e}
:root[data-theme="mint"]{color-scheme:light;--bg:#eaf8f3;--dark:#193e34;--gray:#648477;--border:#c6e3d7;--surface:#f7fffb;--ul-bg:#eaf8f3;--ul-panel:#f7fffb;--ul-ink:#193e34;--ul-line:#c6e3d7}
:root[data-theme="lavender"]{color-scheme:light;--bg:#f2edff;--dark:#342b53;--gray:#7f7696;--border:#dcd1f1;--surface:#fcfaff;--ul-bg:#f2edff;--ul-panel:#fcfaff;--ul-ink:#342b53;--ul-line:#dcd1f1}
:root[data-theme="cream"]{color-scheme:light;--bg:#faf5e9;--dark:#463e2e;--gray:#867d6b;--border:#e9dfc9;--surface:#fffdf5;--ul-bg:#faf5e9;--ul-panel:#fffdf5;--ul-ink:#463e2e;--ul-line:#e9dfc9}
:root[data-theme="sepia"]{color-scheme:dark;--bg:#27201d;--dark:#f7e9d4;--gray:#b9a18e;--border:#57443a;--surface:#392d27;--ul-bg:#27201d;--ul-panel:#392d27;--ul-ink:#f7e9d4;--ul-line:#57443a}
.theme-swatch-navy{background:#172944!important}.theme-swatch-mint{background:#c6f2e2!important}.theme-swatch-lavender{background:#d9c5ff!important}.theme-swatch-cream{background:#f8e9c4!important}.theme-swatch-sepia{background:#48342a!important}
:root:is([data-theme="navy"],[data-theme="sepia"]) .header,:root:is([data-theme="navy"],[data-theme="sepia"]) .bottom-nav{background:var(--surface)}
:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"]) .header,:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"]) .bottom-nav{background:var(--surface)}
:root[data-accent]{--blue:var(--uni-accent);--ul-accent:var(--uni-accent);--ul-primary:var(--uni-accent)}
:root[data-accent] .primary-btn,:root[data-accent] .uni-settings-item>span,:root[data-accent] .uni-settings-profile>span:last-child{accent-color:var(--uni-accent)}
:root[data-accent] :is(.bottom-nav .active,.bottom-nav button.active,.nav-btn.active,.tab.active,.uni-friends-tab.active,.uni-settings-page a,.uni-settings-page button[aria-pressed="true"]){color:var(--uni-accent)}
:root[data-accent] :is(.uni-friends-tab.active,.uni-settings-page button[aria-pressed="true"]){border-color:var(--uni-accent)}
:root[data-accent] :is(.primary-btn:not(.secondary-btn),.chat-unread-count){background-color:var(--uni-accent)}
:root[data-accent] :is(input:focus-visible,textarea:focus-visible,select:focus-visible){outline-color:var(--uni-accent)}

/* Keep all appearance swatches inside the settings card on narrow phones. */
.uni-settings-page .theme-picker,.uni-settings-page .theme-swatches{min-width:0;max-width:100%}
.uni-settings-page .theme-swatches{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));justify-items:center;align-items:center;gap:18px 8px;width:100%;margin:16px 0 24px}
.uni-settings-page .theme-picker .theme-swatches .theme-swatch{width:clamp(36px,11vw,48px);height:clamp(36px,11vw,48px);min-width:0;max-width:100%;flex-shrink:1}
.uni-settings-page .uni-accent-options{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));justify-items:center;gap:16px 6px;width:100%;min-width:0}
.uni-settings-page .uni-accent-options button{width:clamp(32px,9vw,38px);height:clamp(32px,9vw,38px);max-width:100%}
@media(max-width:350px){.uni-settings-page .theme-swatches{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px 4px}.uni-settings-page .uni-accent-options{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* Distinct, compact friend and marketplace chat sections */
.uni-chat-section-title{font-size:12px;font-weight:750;letter-spacing:.045em;color:var(--gray,#8991a0);margin:18px 0 10px;padding:0 4px}
.uni-friend-dm-list{display:grid;gap:7px;min-width:0;margin-bottom:18px}
.uni-friend-chat-item{display:flex;flex-direction:row;align-items:center;gap:12px;min-width:0;text-align:left}
.uni-chat-avatar{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;border-radius:50%;background:var(--uni-accent,#4389ed);color:#fff;font-weight:750;font-size:17px}
.uni-chat-details{display:flex;flex:1;flex-direction:column;gap:4px;min-width:0}
.uni-friend-chat-item .chat-unread-count{right:14px}


/* Mobile conversation ergonomics: both friend DMs and textbook chats. */
#uni-friend-dm-panel .chat-messages,
#cb-chat-panel .chat-messages{
  flex:1 1 auto;min-height:0;min-width:0;overflow-y:auto;overscroll-behavior-y:contain;
  -webkit-overflow-scrolling:touch;touch-action:pan-y;
  padding:18px max(16px,env(safe-area-inset-right)) 22px max(16px,env(safe-area-inset-left));
  gap:9px;scroll-padding-bottom:18px;
}
#uni-friend-dm-panel .chat-bubble,
#cb-chat-panel .chat-bubble{
  box-sizing:border-box;align-self:flex-start;max-width:min(82%,420px);
  width:fit-content;min-width:0;padding:11px 14px;
  border-radius:17px 17px 17px 5px;background:var(--surface,#e9edf3);
  color:var(--dark,#20242d);font-size:15px;line-height:1.5;
  overflow-wrap:anywhere;white-space:pre-wrap;
}
#uni-friend-dm-panel .chat-bubble.mine,
#cb-chat-panel .chat-bubble.mine{
  align-self:flex-end;background:var(--uni-accent,#4389ed);color:#fff;
  border-radius:17px 17px 5px 17px;
}
#uni-friend-dm-panel .chat-form,
#cb-chat-panel .chat-form{
  flex:0 0 auto;box-sizing:border-box;display:flex;align-items:center;gap:9px;
  padding:10px max(14px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left));
  background:var(--bg,#fff);border-top:1px solid var(--border,#dbe2ed);
}
#uni-friend-dm-panel .chat-form input,
#cb-chat-panel .chat-form input{
  flex:1 1 auto;min-width:0;min-height:46px;box-sizing:border-box;
  padding:11px 15px;border:1px solid var(--border,#dbe2ed);
  border-radius:24px;background:var(--surface,#fff);color:var(--dark,#20242d);
  font-size:16px;line-height:1.4;outline-offset:2px;
}
#uni-friend-dm-panel .chat-form button,
#cb-chat-panel .chat-form button{
  flex:0 0 auto;min-height:44px;min-width:62px;padding:0 14px;
  background:var(--uni-accent,#4389ed);border-radius:22px;
}
#uni-friend-dm-panel .chat-form button:disabled,
#cb-chat-panel .chat-form button:disabled{opacity:.45;cursor:default}
@media(prefers-reduced-motion:reduce){
  #uni-friend-dm-panel .chat-messages,#cb-chat-panel .chat-messages{scroll-behavior:auto}
}

/* Make unread conversations easy to scan without disturbing existing layout. */
.uni-friend-chat-item.has-unread .chat-item-label{font-weight:800}
.uni-friend-chat-item.has-unread .chat-item-preview{color:var(--dark,#20242d);font-weight:600}
.uni-friend-chat-item .chat-unread-count{flex:0 0 auto;position:static;transform:none;margin-left:auto}
.uni-friend-chat-item .uni-chat-details{min-width:0;overflow:hidden}
.uni-friend-chat-item:focus-visible{outline:2px solid var(--uni-accent,#4389ed);outline-offset:2px}


/* Unified user-selected accent across legacy and UniLink surfaces. */
:root[data-accent]{
 --blue:var(--uni-accent);
 --ul-accent:var(--uni-accent);
 --ul-primary:var(--uni-accent);
 --accent:var(--uni-accent);
 accent-color:var(--uni-accent);
}
:root[data-accent] .banner{
 background:linear-gradient(125deg,var(--uni-accent),color-mix(in srgb,var(--uni-accent) 76%,#10152b));
}
:root[data-accent] :is(.logo,.book-price,.filters button:not(.selected),.secondary-btn,.bottom-nav .active,.tab.active,.nav-btn.active){
 color:var(--uni-accent);
}
:root[data-accent] :is(.filters button.selected,.primary-btn:not(.secondary-btn):not(.muted-btn),.chat-bubble.mine,.chat-form button,.uni-chat-avatar,.chat-unread-count){
 background-color:var(--uni-accent);
}
:root[data-accent] :is(.filters button.selected,.tab.active,.nav-btn.active){
 border-color:var(--uni-accent);
}
:root[data-accent] :is(input,textarea,select,button):focus-visible{
 outline-color:var(--uni-accent);
}
:root[data-accent] .version{
 background:color-mix(in srgb,var(--uni-accent) 13%,transparent);
 color:var(--uni-accent);
}

/* Readable coordinated calendar palettes for all additional appearance presets. */
:root[data-theme="mint"] #home{
 --uni-calendar-bg:#f7fffb;--uni-calendar-rail:#d9f0e6;
 --uni-calendar-text:#193e34;--uni-calendar-grid:#bad9cc;
 --uni-calendar-selected:#b9e3d2;
}
:root[data-theme="lavender"] #home{
 --uni-calendar-bg:#fcfaff;--uni-calendar-rail:#e9dff8;
 --uni-calendar-text:#342b53;--uni-calendar-grid:#d4c5e9;
 --uni-calendar-selected:#d6c2f3;
}
:root[data-theme="cream"] #home{
 --uni-calendar-bg:#fffdf5;--uni-calendar-rail:#f2e8d1;
 --uni-calendar-text:#463e2e;--uni-calendar-grid:#ded0b2;
 --uni-calendar-selected:#ead8a9;
}
:root[data-theme="navy"] #home{
 --uni-calendar-bg:#17263c;--uni-calendar-rail:#243954;
 --uni-calendar-text:#e9f0ff;--uni-calendar-grid:#405775;
 --uni-calendar-selected:#34577e;
}
:root[data-theme="sepia"] #home{
 --uni-calendar-bg:#322720;--uni-calendar-rail:#49372d;
 --uni-calendar-text:#f7e9d4;--uni-calendar-grid:#665044;
 --uni-calendar-selected:#765340;
}
:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"],[data-theme="navy"],[data-theme="sepia"]) #home :is(.uni-calendar-center,.uni-calendar-stage){
 background:var(--uni-calendar-bg);color:var(--uni-calendar-text);border-color:var(--uni-calendar-grid);
}
:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"],[data-theme="navy"],[data-theme="sepia"]) #home :is(.uni-edge-rail,.uni-side-trigger,.uni-add-event,.uni-side-panel,.uni-week-nav #uni-view-toggle){
 background:var(--uni-calendar-rail);color:var(--uni-calendar-text);border-color:var(--uni-calendar-grid);
}
:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"],[data-theme="navy"],[data-theme="sepia"]) #home .uni-story-circle{
 background:var(--uni-calendar-bg);color:var(--uni-calendar-text);
}
:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"],[data-theme="navy"],[data-theme="sepia"]) #home :is(.uni-week-nav,.uni-week-days,.uni-week-day,.uni-hour-line,.uni-day-column){
 border-color:var(--uni-calendar-grid);
}
:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"],[data-theme="navy"],[data-theme="sepia"]) #home .uni-week-day.is-today{
 background:var(--uni-calendar-selected);color:var(--uni-calendar-text);
}
:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"],[data-theme="navy"],[data-theme="sepia"]) #home .uni-hour-label{
 color:var(--uni-calendar-text);opacity:.78;
}
:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"]) #home .uni-calendar-event{color:#fff}


/* UniLink unified design system: cards, overlays and text use the active appearance,
   rather than inheriting old charcoal cards on pastel themes. */
:root[data-theme]{
 --card:var(--surface);--text:var(--dark);--muted:var(--gray);
 --ul-surface:var(--surface);--ul-muted:var(--gray);
 --uni-card-bg:var(--surface);--uni-card-text:var(--dark);
 --uni-card-border:var(--border);
}
:root:is([data-theme="mint"],[data-theme="lavender"],[data-theme="cream"],[data-theme="pink"],[data-theme="light"]){
 --uni-card-shadow:0 4px 18px rgba(25,40,48,.045);
}
:root:is([data-theme="dark"],[data-theme="navy"],[data-theme="sepia"]){
 --uni-card-shadow:0 4px 18px rgba(0,0,0,.12);
}
:root[data-theme] :is(.uni-settings-profile,.uni-settings-item,.uni-settings-group,.chat-item,.book-card,.profile-card,.empty-state){
 background:var(--uni-card-bg);color:var(--uni-card-text);
 border:1px solid var(--uni-card-border);
 box-shadow:var(--uni-card-shadow);
}
:root[data-theme] :is(.uni-settings-page,.uni-settings-content,#chat,#profile){
 color:var(--dark);
}
:root[data-theme] :is(.uni-settings-content h3,.uni-settings-profile small,.uni-settings-group p,.chat-item-preview,.subtle){
 color:var(--gray);opacity:1;
}
:root[data-theme] :is(.uni-settings-head,.uni-settings-page,.uni-settings-group){
 border-color:var(--border);
}
:root[data-theme] :is(.uni-settings-profile,.uni-settings-item,.chat-item){
 transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .16s ease;
}
:root[data-theme] :is(.uni-settings-profile,.uni-settings-item,.chat-item):active{
 transform:scale(.99);
}
:root[data-theme] :is(.uni-settings-profile,.uni-settings-item,.chat-item):focus-visible{
 outline:2px solid var(--uni-accent);outline-offset:3px;
}
:root[data-theme] :is(.uni-settings-profile,.uni-settings-item,.chat-item) .chat-item-label{
 color:var(--dark);
}
:root[data-theme] .uni-settings-avatar{
 background:color-mix(in srgb,var(--uni-accent) 13%,var(--surface));
 color:var(--dark);
}
:root[data-theme] :is(.uni-settings-item,.uni-settings-profile) > span:last-child{
 color:var(--uni-accent);
}
:root[data-theme] :is(input,textarea,select){
 color:var(--dark);
}
@media(prefers-reduced-motion:reduce){
 :root[data-theme] :is(.uni-settings-profile,.uni-settings-item,.chat-item){transition:none}
}


/* Consistent app chrome: home, profile, chats and settings share the same
   theme-colored header instead of a separate white/teal brand header. */
:root[data-theme] .header{
 background:var(--bg)!important;color:var(--dark)!important;
 border-bottom:1px solid var(--border)!important;
}
:root[data-theme] .header .logo{
 color:var(--dark)!important;
}
:root[data-theme] .header .tagline{
 color:var(--gray)!important;
}
:root[data-theme] .bottom-nav{
 background:var(--bg)!important;color:var(--dark);
 border-top:1px solid var(--border)!important;
}
:root[data-theme] .bottom-nav button{
 color:var(--gray);
}
:root[data-theme] .bottom-nav button.active{
 color:var(--dark)!important;
}
:root[data-theme] :is(.action-button,.trade-card,.detail-card,.uni-profile-edit-form,.uni-settings-group){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] :is(.search-box,#search-input,#sell-form input,#sell-form select,#sell-form textarea,#auth-form input){
 background:var(--surface);color:var(--dark);border:1px solid var(--border);
}
:root[data-theme] :is(.back-btn,.demo-label){
 color:var(--uni-accent);
}


/* Shared surfaces and legible secondary controls on every appearance preset.
   Keep brand accent decorative; never use it as low-contrast body text. */
:root[data-theme]{
 --uni-control-bg:var(--surface);
 --uni-control-ink:var(--dark);
 --uni-control-muted:var(--gray);
 --uni-control-line:var(--border);
}
:root[data-theme] :is(.avatar,.book-cover,.detail-cover,.favorite-btn){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] :is(.action-button,.profile-card,.trade-card,.detail-card,.book-card,.empty-state){
 background:var(--uni-control-bg);color:var(--uni-control-ink);
 border-color:var(--uni-control-line);
}
:root[data-theme] :is(.profile-card p,.chat-item-preview,.tagline){
 color:var(--uni-control-muted);
}
:root[data-theme] :is(.uni-settings-content h3,.uni-settings-group p){
 color:var(--gray);opacity:1;
}
:root[data-theme] :is(.uni-settings-page button,.action-button,.chat-item,.bottom-nav button):focus-visible{
 outline:2px solid var(--dark);outline-offset:3px;
}
:root[data-theme] :is(.uni-settings-page,.uni-settings-group,.uni-settings-item,.uni-settings-profile) :is(input,textarea,select){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] :is(.chat-item,.uni-settings-item,.uni-settings-profile,.action-button):disabled{
 opacity:.55;cursor:not-allowed;
}


/* Cross-feature theme contract: bulletin board, course timetable and forms.
   These previously retained hard-coded charcoal colors on pastel themes. */
:root[data-theme] :is(.dark-form,.board-post,.timetable-cell,.board-replies p){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] .dark-form{
 border:1px solid var(--border);box-shadow:var(--uni-card-shadow,none);
}
:root[data-theme] .dark-form label{
 color:var(--dark);opacity:1;
}
:root[data-theme] .dark-form :is(input,select,textarea),
:root[data-theme] .board-reply-form input{
 background:var(--bg);color:var(--dark);border:1px solid var(--border);
 caret-color:var(--dark);
}
:root[data-theme] .dark-form :is(input,select,textarea)::placeholder,
:root[data-theme] .board-reply-form input::placeholder{
 color:var(--gray);opacity:1;
}
:root[data-theme] .dark-form select option{
 background:var(--surface);color:var(--dark);
}
:root[data-theme] :is(.board-post small,.timetable-head,.timetable-period){
 color:var(--gray);
}
:root[data-theme] .board-replies{
 border-color:var(--border);
}
:root[data-theme] :is(.board-reply-form button,#course .board-delete){
 background:var(--surface);color:var(--dark);border:1px solid var(--border);
}
:root[data-theme] :is(.dark-form,.board-reply-form) :is(input,textarea,select,button):focus-visible{
 outline:2px solid var(--dark);outline-offset:2px;
}
:root[data-theme] .dark-form :is(input,textarea,select):focus{
 border-color:var(--uni-accent);
}


/* === Theme system v2: one semantic palette for every feature ===
   Use the selected theme's background, surface, ink and border consistently.
   Explicit specificity fixes legacy dark-only styles without recoloring icons/images. */
:root[data-theme]{
 --ul-bg:var(--bg);--ul-panel:var(--surface);--ul-ink:var(--dark);
 --ul-muted:var(--gray);--ul-line:var(--border);
 --text:var(--dark);--muted:var(--gray);--card:var(--surface);
 --uni-field-bg:var(--surface);--uni-field-text:var(--dark);
 --uni-field-border:var(--border);
}
:root[data-theme] body,
:root[data-theme] main,
:root[data-theme] :is(#home,#chat,#profile,#course,#board,#settings){
 color:var(--dark);
}
:root[data-theme] :is(.uni-profile-page,.uni-settings-page,.uni-friend-public-sheet){
 --ul-ink:var(--dark);--muted:var(--gray);
 color:var(--dark);
}
:root[data-theme] .uni-friend-public-sheet{
 background:var(--bg);border:1px solid var(--border);
}
:root[data-theme] :is(.uni-profile-social,.uni-profile-empty,.uni-profile-edit,.uni-profile-link,.uni-profile-edit-form,.uni-profile-settings-pane){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] :is(.uni-profile-person span,.uni-profile-social span,.uni-profile-empty,.uni-profile-helper,.uni-profile-tabs button:not(.active)){
 color:var(--gray);
}
:root[data-theme] .uni-profile-tabs button.active{
 border-bottom-color:var(--uni-accent);color:var(--dark);
}
:root[data-theme] .uni-profile-pane-title button{
 color:var(--dark);text-decoration:underline;text-decoration-color:var(--uni-accent);
}
:root[data-theme] :is(.dark-form,.board-post,.board-replies p,.timetable-cell,.uni-settings-profile,.uni-settings-item,.chat-item,.trade-card,.detail-card,.book-card){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] :is(.dark-form input,.dark-form select,.dark-form textarea,.board-reply-form input,.uni-profile-edit-form input,.uni-profile-edit-form textarea,#sell-form input,#sell-form select,#sell-form textarea,#auth-form input){
 background:var(--uni-field-bg);color:var(--uni-field-text);
 border:1px solid var(--uni-field-border);
}
:root[data-theme] :is(.dark-form input,.dark-form select,.dark-form textarea,.board-reply-form input,.uni-profile-edit-form input,.uni-profile-edit-form textarea)::placeholder{
 color:var(--gray);opacity:1;
}
:root[data-theme] :is(.dark-form label,.board-post small,.timetable-head,.timetable-period,.uni-settings-content h3){
 color:var(--dark);
}
:root[data-theme] :is(.board-post small,.timetable-head,.timetable-period){
 opacity:.78;
}
:root[data-theme] .board-replies{border-color:var(--border)}
:root[data-theme] :is(.board-reply-form button,.board-delete,.action-button,.uni-profile-edit){
 background:var(--surface);color:var(--dark);border:1px solid var(--border);
}
:root[data-theme] :is(.dark-form,.uni-profile-edit-form,.uni-settings-item,.board-reply-form) :is(input,select,textarea,button):focus-visible{
 outline:2px solid var(--dark);outline-offset:2px;
}
:root[data-theme] :is(.header,.bottom-nav){
 background:var(--bg)!important;color:var(--dark);
 border-color:var(--border)!important;
}
:root[data-theme] .bottom-nav button{color:var(--gray)!important}
:root[data-theme] .bottom-nav button.active{color:var(--dark)!important}
@media(prefers-reduced-motion:reduce){
 :root[data-theme] :is(.uni-profile-tabs button,.dark-form button,.board-reply-form button){transition:none}
}


/* Canonical dark palette, aligned with the seven explicit appearance palettes.
   Keep the existing dark appearance while exposing every semantic token. */
:root[data-theme="dark"]{
 color-scheme:dark;
 --bg:#0b0b0d;--surface:#222225;--dark:#f4f4f5;
 --gray:#a1a1a8;--border:#38383b;
 --ul-bg:#0b0b0d;--ul-panel:#222225;--ul-ink:#f4f4f5;
 --ul-line:#38383b;--ul-event:#2a2b2e;
}


/* Theme-aware overlays, notifications and forms. No fixed white/dark surfaces. */
:root[data-theme] .overlay{background:var(--bg);color:var(--dark)}
:root[data-theme] .overlay-header{
 background:var(--surface);color:var(--dark);border-bottom:1px solid var(--border);
}
:root[data-theme] .overlay-back{color:var(--dark)}
:root[data-theme] .overlay-content{background:var(--bg);color:var(--dark)}
:root[data-theme] :is(.home-sheet-panel,.sheet-menu,.uni-notification-empty,.uni-notification-row,.uni-auth-confirm-panel){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] :is(.uni-notification-section-title,.uni-notification-copy small,.uni-legal-sheet p,.uni-auth-helper){
 color:var(--gray);
}
:root[data-theme] :is(.uni-legal-sheet,.uni-support-sheet,.uni-notification-sheet){
 color:var(--dark);
}
:root[data-theme] .uni-legal-sheet section{border-color:var(--border)}
:root[data-theme] :is(.overlay-content,.home-sheet-panel,.uni-support-sheet,.uni-auth-form) :is(input,textarea,select){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] :is(.overlay-content,.home-sheet-panel,.uni-support-sheet,.uni-auth-form) :is(input,textarea)::placeholder{
 color:var(--gray);opacity:1;
}
:root[data-theme] :is(.overlay-content,.home-sheet-panel,.uni-support-sheet,.uni-auth-form) :is(button,input,textarea,select):focus-visible{
 outline:2px solid var(--dark);outline-offset:2px;
}


/* Authentication and installation UI follow the same appearance tokens. */
:root[data-theme] :is(.uni-auth-shell,.uni-welcome-shell){color:var(--dark)}
:root[data-theme] :is(.uni-auth-top>button,.uni-auth-mode,.uni-auth-mode button.selected,.uni-auth-secondary,.uni-auth-install-card,.uni-welcome-install){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] .uni-auth-mode button:not(.selected){color:var(--gray)}
:root[data-theme] .uni-auth-mode button.selected{
 box-shadow:inset 0 0 0 1px var(--border);
}
:root[data-theme] :is(.uni-auth-copy p,.uni-welcome-brand span,.uni-auth-helper){color:var(--gray)}
:root[data-theme] :is(.uni-auth-consent button,.uni-auth-text-button){
 color:var(--dark);text-decoration-color:var(--uni-accent);
}
:root[data-theme] .uni-auth-consent input{accent-color:var(--uni-accent)}
:root[data-theme] :is(.uni-install-sheet,.uni-auth-confirm-panel){
 background:var(--surface);color:var(--dark);border-color:var(--border);
}
:root[data-theme] .uni-install-handle{background:var(--gray)}
:root[data-theme] .uni-auth-secondary{border:1px solid var(--border)}


/* Accent controls: selected states and primary actions share one semantic token.
   The six accent swatches are bright enough for dark foreground labels. */
:root[data-accent]{--uni-accent-ink:#101018}
:root[data-theme] :is(.primary-btn,.uni-auth-primary){
 background:var(--uni-accent);color:var(--uni-accent-ink);
 border-color:transparent;
}
:root[data-theme] :is(.primary-btn,.uni-auth-primary):focus-visible{
 outline:2px solid var(--dark);outline-offset:3px;
}
:root[data-theme] .uni-auth-primary{box-shadow:none}
:root[data-theme] :is(.uni-auth-mode button.selected,.uni-profile-tabs button.active){
 box-shadow:inset 0 -2px 0 var(--uni-accent);
}
:root[data-theme] :is(.uni-accent-options button.selected,.theme-picker button.selected){
 outline:2px solid var(--dark);outline-offset:3px;
}
:root[data-theme] .uni-accent-options button{color:#101018}
:root[data-theme] :is(.uni-settings-page .uni-settings-profile>span:last-child,.uni-settings-page .uni-settings-item>span){
 color:var(--dark);
}
:root[data-theme] :is(.uni-settings-page .uni-settings-profile,.uni-settings-page .uni-settings-item):focus-visible{
 outline:2px solid var(--dark);outline-offset:2px;
}


/* Calendar, timetable and board: shared readable surfaces and subtle accent cues. */
:root[data-theme] .timetable-cell{
 background:var(--surface);color:var(--dark);border:1px solid var(--border);
}
:root[data-theme] .timetable-cell.filled{
 background:var(--surface);color:var(--dark);
 border:1px solid var(--uni-accent);
 box-shadow:inset 3px 0 0 var(--uni-accent);
}
:root[data-theme] .timetable-cell small{color:var(--gray)}
:root[data-theme] .timetable-cell :is(strong,span){color:inherit}
:root[data-theme] :is(.board-reply-form button,.board-delete,.action-button){
 background:var(--surface);color:var(--dark);border:1px solid var(--border);
}
:root[data-theme] :is(.board-reply-form button,.attendance-button,.timetable-cell):focus-visible{
 outline:2px solid var(--dark);outline-offset:2px;
}
:root[data-theme] #home .week-grid-head .is-today{
 color:var(--dark);text-decoration:underline;
 text-decoration-color:var(--uni-accent);text-decoration-thickness:2px;
 text-underline-offset:3px;
}
:root[data-theme] #home .week-event{
 background:var(--ul-event,var(--surface));color:var(--ul-ink,var(--dark));
 border-left-color:var(--uni-accent);
}
@media(prefers-reduced-motion:reduce){
 :root[data-theme] :is(.timetable-cell,.board-reply-form button,.attendance-button){transition:none}
}


/* Consistent touch feedback without changing navigation or business logic. */
:root[data-theme] :is(.bottom-nav button,.home-shortcuts button,.chat-item,.book-card,.action-button,.uni-settings-item,.uni-settings-profile,.uni-profile-tabs button){
 -webkit-tap-highlight-color:transparent;
 touch-action:manipulation;
 transition:background-color var(--uni-motion-fast,140ms) ease,
            border-color var(--uni-motion-fast,140ms) ease,
            color var(--uni-motion-fast,140ms) ease,
            opacity var(--uni-motion-fast,140ms) ease;
}
:root[data-theme] :is(.bottom-nav button,.home-shortcuts button,.chat-item,.action-button,.uni-settings-item,.uni-settings-profile):active:not(:disabled){
 opacity:.76;
}
:root[data-theme] :is(.bottom-nav button,.home-shortcuts button,.chat-item,.book-card,.action-button,.uni-settings-item,.uni-settings-profile):focus-visible{
 outline:2px solid var(--dark);outline-offset:2px;
}
:root[data-theme] :is(.overlay-content,.home-sheet-panel,.uni-install-sheet,.uni-notification-sheet){
 overscroll-behavior-y:contain;
 -webkit-overflow-scrolling:touch;
}
@media(prefers-reduced-motion:reduce){
 :root[data-theme] :is(.bottom-nav button,.home-shortcuts button,.chat-item,.book-card,.action-button,.uni-settings-item,.uni-settings-profile,.uni-profile-tabs button){
  transition:none;
 }
}


/* UniLink global typography: one clean, straight-stroke sans-serif across all pages.
   Inherit it in forms, dialogs, sheets and all controls; avoid rounded display faces. */
:root{
 --uni-font-sans:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;
}
html,body,
body :is(button,input,select,textarea,option,label),
body :is(h1,h2,h3,h4,h5,h6,p,span,strong,small,a,li,td,th),
body :is(.page,.bottom-nav,.overlay-content,.home-sheet-panel,.uni-auth-page,.uni-profile-page,.uni-settings-page){
 font-family:var(--uni-font-sans);
 font-style:normal;
}
body :is(button,input,select,textarea){font-family:inherit}

/* Link scheduling companion: contained below event details, never in the DM tab. */
.week-form .link-schedule-assistant{margin-top:26px;padding:18px 0 4px;border-top:1px solid var(--border);min-width:0}
.week-form .link-assistant-heading{display:flex;align-items:center;gap:10px;font-size:16px}
.week-form .link-assistant-mascot{width:43px;height:43px;border-radius:50%;display:grid;place-items:center;background:var(--uni-accent);color:white;font-size:23px;box-shadow:0 4px 14px #0002}
.week-form .link-assistant-hint{font-size:12px;color:var(--gray);line-height:1.6}
.week-form .link-assistant-messages{display:flex;flex-direction:column;gap:10px;max-height:260px;overflow:auto;padding:12px 0}
.week-form .link-assistant-message,.week-form .link-assistant-user{max-width:94%;width:fit-content;padding:11px 13px;border:1px solid var(--border);background:var(--surface);color:var(--dark);font-size:13px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}
.week-form .link-assistant-user{align-self:flex-end;background:var(--uni-accent);border-color:var(--uni-accent);color:white}
.week-form .link-assistant-chat{display:flex;gap:7px;margin:8px 0}
.week-form .link-assistant-chat input{flex:1;min-width:0;padding:11px;background:var(--surface);color:var(--dark);border:1px solid var(--border);font:inherit}
.week-form .link-assistant-chat button{padding:9px 14px;background:var(--uni-accent);color:white;border:0;font:inherit}

/* Ruku is the final, optional section after saving and sharing controls. */
.week-form .link-schedule-assistant{margin-top:28px;padding-top:20px;border-top:1px solid var(--border)}
.week-form .link-assistant-heading strong{font-size:16px;letter-spacing:.01em}
.week-form .link-assistant-messages{scroll-behavior:smooth;min-height:74px}
.week-form .link-assistant-chat{align-items:stretch}
.week-form .link-assistant-chat button{min-height:44px;cursor:pointer}
.week-form .link-assistant-chat input:focus-visible{outline:2px solid var(--uni-accent);outline-offset:2px}
@media(prefers-reduced-motion:reduce){.week-form .link-assistant-messages{scroll-behavior:auto}}

/* Clearly distinguish scheduling from timetable entry at the top of the sheet. */
.week-form .link-entry-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0 0 18px}
.week-form .link-entry-mode{min-width:0;min-height:48px;padding:10px 8px;border:1px solid var(--border,#424248);border-radius:0;background:transparent;color:inherit;font:inherit;font-size:13px;font-weight:650;cursor:pointer}
.week-form .link-entry-mode.is-active{background:var(--uni-accent,#e86b9f);border-color:var(--uni-accent,#e86b9f);color:#fff}
.week-form .link-entry-mode:focus-visible{outline:2px solid var(--uni-accent,#e86b9f);outline-offset:2px}

/* Timetable: balanced six-day grid, readable cells, keyboard focus. */
#timetable .timetable-grid{grid-template-columns:32px repeat(6,minmax(0,1fr));gap:4px;margin-top:14px}
#timetable .timetable-head{font-weight:700;color:var(--dark);font-size:clamp(10px,2.5vw,12px);padding:10px 0}
#timetable .timetable-period{font-weight:700;color:var(--gray);font-size:11px}
#timetable .timetable-cell{min-width:0;min-height:88px;padding:9px 3px;border-radius:11px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;text-align:center;line-height:1.35;transition:background .18s ease,border-color .18s ease,transform .18s ease}
#timetable .timetable-cell:not(.filled){font-size:20px;color:var(--gray);border-style:dashed}
#timetable .timetable-cell.filled{border-color:var(--border);background:var(--surface)}
#timetable .timetable-cell:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
#timetable .timetable-cell:active{transform:scale(.97)}
#timetable .timetable-cell strong{font-size:clamp(9px,2.4vw,12px);max-width:100%;overflow-wrap:anywhere}
#timetable .timetable-cell small{font-size:10px;max-width:100%;overflow-wrap:anywhere;margin:0}
@media(max-width:380px){#timetable .timetable-grid{grid-template-columns:25px repeat(6,minmax(0,1fr));gap:2px}#timetable .timetable-cell{min-height:78px;padding:6px 1px}}

/* Time labels in timetable left rail */
#timetable .timetable-period{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;line-height:1.15}
#timetable .timetable-period strong{font-size:15px;color:var(--dark)}
#timetable .timetable-period small{font-size:9px;white-space:nowrap;color:var(--gray);font-variant-numeric:tabular-nums}
@media(max-width:380px){#timetable .timetable-period strong{font-size:13px}#timetable .timetable-period small{font-size:8px}}

/* Timetable cards inspired by the reference: softly tinted classes and room pills. */
#timetable .timetable-cell.filled.timetable-tone-blue{background:color-mix(in srgb,#9fc5f5 33%,var(--surface));border-color:color-mix(in srgb,#82b3ed 48%,var(--border))}
#timetable .timetable-cell.filled.timetable-tone-rose{background:color-mix(in srgb,#f2a1b2 30%,var(--surface));border-color:color-mix(in srgb,#e98fa7 45%,var(--border))}
#timetable .timetable-cell.filled{justify-content:space-between;padding-top:17px;padding-bottom:6px}
#timetable .timetable-cell.filled strong{flex:1;display:flex;align-items:center;justify-content:center;line-height:1.45}
#timetable .timetable-cell.filled small{width:100%;border-radius:999px;background:var(--surface);padding:3px 1px;font-weight:700;color:var(--dark);line-height:1.1}
@media(prefers-reduced-motion:reduce){#timetable .timetable-cell{transition:none}}

#timetable .timetable-cell.filled.timetable-tone-mint{background:color-mix(in srgb,#8edfc3 35%,var(--surface));border-color:color-mix(in srgb,#67c9a6 48%,var(--border))}
#timetable .timetable-cell.filled.timetable-tone-lavender{background:color-mix(in srgb,#c4aff6 35%,var(--surface));border-color:color-mix(in srgb,#ab91ed 48%,var(--border))}
#timetable .timetable-cell.filled.timetable-tone-amber{background:color-mix(in srgb,#f3d48d 36%,var(--surface));border-color:color-mix(in srgb,#e8be65 48%,var(--border))}

/* One-tap timetable color swatches */
.slot .timetable-color-choices{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:10px 0 16px}
.slot .timetable-color-dot{width:42px;height:42px;min-width:42px;border-radius:50%;border:2px solid transparent;cursor:pointer;box-shadow:inset 0 0 0 2px rgba(0,0,0,.06)}
.slot .timetable-color-dot[aria-pressed="true"]{outline:3px solid var(--uni-accent,#e86b9f);outline-offset:3px}
.slot .timetable-color-dot:focus-visible{outline:3px solid var(--uni-accent,#e86b9f);outline-offset:3px}
.slot .timetable-color-blue{background:#9fc5f5}.slot .timetable-color-rose{background:#f2a1b2}.slot .timetable-color-mint{background:#8edfc3}.slot .timetable-color-lavender{background:#c4aff6}.slot .timetable-color-amber{background:#f3d48d}

/* Keep class colors consistent between timetable and calendar */
#week-calendar .calendar-class-blue{background:color-mix(in srgb,#9fc5f5 48%,var(--surface));border-color:#82b3ed}
#week-calendar .calendar-class-rose{background:color-mix(in srgb,#f2a1b2 48%,var(--surface));border-color:#e98fa7}
#week-calendar .calendar-class-mint{background:color-mix(in srgb,#8edfc3 48%,var(--surface));border-color:#67c9a6}
#week-calendar .calendar-class-lavender{background:color-mix(in srgb,#c4aff6 48%,var(--surface));border-color:#ab91ed}
#week-calendar .calendar-class-amber{background:color-mix(in srgb,#f3d48d 48%,var(--surface));border-color:#e8be65}

/* Timetable attendance: add and undo accidental taps */
.slot .attendance-control{display:inline-flex;align-items:stretch;gap:3px;margin:4px 6px 4px 0}
.slot .attendance-undo{min-width:36px;min-height:42px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--dark);font-size:22px;cursor:pointer}
.slot .attendance-undo:focus-visible{outline:2px solid var(--uni-accent);outline-offset:2px}

/* Next class: consistent subject color and keyboard accessibility */
#home-next-class[data-class-color="blue"] .home-next-class-icon{background:#9fc5f5;color:#17375c}
#home-next-class[data-class-color="rose"] .home-next-class-icon{background:#f2a1b2;color:#5e2336}
#home-next-class[data-class-color="mint"] .home-next-class-icon{background:#8edfc3;color:#154a3b}
#home-next-class[data-class-color="lavender"] .home-next-class-icon{background:#c4aff6;color:#38255c}
#home-next-class[data-class-color="amber"] .home-next-class-icon{background:#f3d48d;color:#5b4215}
#home-next-class[role="button"]:focus-visible{outline:3px solid var(--uni-accent,#e86b9f);outline-offset:3px}


/* Link reference-design pass: AI secretary stays within Add Schedule. */
.week-form .link-schedule-assistant{
 margin-top:22px;padding:16px;border:1px solid color-mix(in srgb,var(--uni-accent,#3977ff) 35%,var(--border));
 border-radius:18px;background:linear-gradient(155deg,color-mix(in srgb,var(--uni-accent,#3977ff) 12%,var(--surface)) 0%,var(--surface) 78%);
 box-shadow:0 10px 28px rgba(0,0,0,.10);overflow:hidden;
}
.week-form .link-assistant-heading{gap:12px;line-height:1.4}
.week-form .link-assistant-hint{margin-top:5px;line-height:1.55}
.week-form .link-assistant-messages{scrollbar-width:thin;overscroll-behavior:contain}
.week-form .link-assistant-message,.week-form .link-assistant-user{border-radius:15px}
.week-form .link-assistant-chat{align-items:center}
.week-form .link-assistant-chat :is(input,textarea){min-width:0;flex:1;border-radius:14px}
.week-form .link-assistant-chat button{min-height:42px;flex-shrink:0;border-radius:12px}
@media(max-width:390px){.week-form .link-schedule-assistant{padding:13px;margin-top:18px}}
@media(prefers-reduced-motion:reduce){.week-form .link-schedule-assistant *{scroll-behavior:auto}}

/* Ruku AI secretary shares the same mascot asset as authentication. */
.week-form .link-assistant-mascot{background:transparent url("./assets/ruku.svg") center / contain no-repeat;border-radius:0;box-shadow:none;color:transparent;font-size:0;width:48px;height:48px;flex-shrink:0}

/* Auth/landing chrome isolation: global quick actions must never overlap sign-in. */
body:has(#welcome.active) #link-global-plus,
body:has(#auth.active) #link-global-plus,
body:has(#welcome.active) #link-action-backdrop,
body:has(#auth.active) #link-action-backdrop{display:none!important}
body:has(#welcome.active) .bottom-nav,
body:has(#auth.active) .bottom-nav{display:none!important}
#welcome.active #welcome-install{display:none!important}
#welcome.active .uni-welcome-note{font-size:11px;text-align:center}
#welcome.active #welcome-signup{font-weight:750}

/* Reference fidelity: compact, readable authentication on iPhone. */
#auth.uni-auth-page{background:radial-gradient(ellipse at 80% 12%,rgba(64,105,212,.17),transparent 44%),#090c15;color:#f4f7ff}
#auth .uni-auth-shell{width:min(100%,480px);padding:calc(env(safe-area-inset-top) + 14px) 22px calc(env(safe-area-inset-bottom) + 20px)}
#auth .uni-auth-top{min-height:42px;margin-bottom:8px}
#auth .link-auth-ruku-welcome{padding:12px 14px;margin:8px 0 14px;gap:12px;border-radius:18px}
#auth .link-auth-ruku-art{width:64px;height:64px;flex-basis:64px;border-radius:16px}
#auth .link-auth-ruku-speech strong{font-size:13px;line-height:1.4}
#auth .link-auth-ruku-speech span{font-size:11px;line-height:1.45}
#auth .uni-auth-copy{margin:0 0 12px}
#auth .uni-auth-copy h2{font-size:clamp(24px,6vw,29px);letter-spacing:-.03em;margin:0 0 5px}
#auth .uni-auth-copy p{font-size:12px;line-height:1.5;margin:0;color:#b9c5df}
#auth .uni-auth-mode{margin:0 0 12px;border-radius:14px}
#auth .uni-auth-mode button{min-height:42px}
#auth .uni-auth-form{gap:7px}
#auth .uni-auth-form label{font-size:12px;font-weight:650}
#auth .uni-auth-form input:not([type="checkbox"]),#auth .uni-auth-form select{min-height:44px;border-radius:12px;font-size:16px;padding:9px 12px}
#auth .uni-auth-helper{font-size:10px;line-height:1.4}
#auth .uni-auth-primary{min-height:48px;margin-top:12px;border-radius:14px}
#auth .uni-auth-secondary{min-height:44px;border-radius:13px}
#auth .uni-auth-text-button{min-height:38px}
#auth .uni-auth-status:empty{display:none}
#auth .uni-auth-form :focus-visible,#auth .uni-auth-mode button:focus-visible{outline:2px solid #7da3ff;outline-offset:2px}
@media(max-height:740px){#auth .uni-auth-shell{padding-top:8px}#auth .link-auth-ruku-welcome{margin:4px 0 9px;padding:8px 12px}#auth .link-auth-ruku-art{width:50px;height:50px;flex-basis:50px}#auth .uni-auth-copy{margin-bottom:7px}#auth .uni-auth-mode{margin-bottom:8px}}

/* Next-class live status stays legible inside the existing home card. */
.home-next-class .home-class-countdown,.home-class-countdown{display:inline-flex;align-items:center;align-self:flex-start;margin-top:6px;padding:5px 10px;border-radius:999px;background:rgba(92,137,245,.16);border:1px solid rgba(130,166,255,.3);color:#c8d9ff;font-size:12px;font-weight:700;letter-spacing:.01em}

/* Home's today-class rows: consistent time and live state. */
.today-class{display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left}
.today-class-details{display:flex;flex-direction:column;min-width:0;gap:4px}
.today-class-details strong{font-size:13px;line-height:1.4;overflow-wrap:anywhere}
.today-class-details small{font-size:11px;color:#b8c7e1;line-height:1.4}
.today-class-status{flex-shrink:0;padding:5px 9px;border-radius:999px;border:1px solid rgba(126,163,248,.3);background:rgba(84,124,232,.15);font-size:11px;font-weight:700;color:#d4e1ff}
.today-class.is-ongoing{border-color:rgba(116,209,187,.52)}
.today-class.is-ongoing .today-class-status{background:rgba(67,185,152,.18);border-color:rgba(112,211,177,.38);color:#b8f2df}

/* Timetable: make today's column and the currently running class recognizable. */
.timetable-cell-today{outline:1px solid rgba(131,166,246,.38);outline-offset:-2px}
.timetable-cell-current{position:relative;border-color:rgba(113,212,179,.75)!important;box-shadow:inset 0 0 0 1px rgba(113,212,179,.32),0 0 16px rgba(78,178,153,.1)}
.timetable-current-label{display:inline-block;align-self:flex-start;margin-top:5px;padding:3px 7px;border-radius:999px;background:rgba(71,183,151,.18);color:#aaf0d6;font-size:10px;font-weight:700}

/* Mobile calendar timeline: open near current time and retain user scroll. */
#week-calendar .compact-day-timeline{height:clamp(260px,43svh,420px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;border:1px solid var(--border);border-radius:14px;background:color-mix(in srgb,var(--surface) 92%,transparent);margin-top:10px;position:relative}
#week-calendar .compact-day-canvas{height:1134px;position:relative;padding-left:54px}
#week-calendar .compact-day-hour{position:absolute;left:0;right:0;border-top:1px solid var(--border);font-size:10px;color:var(--gray);padding-left:5px;line-height:1.4;pointer-events:none}
#week-calendar .compact-day-block{position:absolute;left:56px;right:8px;width:calc(100% - 64px);display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:6px 9px;border:1px solid rgba(119,158,238,.35);border-left:3px solid #729cf0;border-radius:8px;background:color-mix(in srgb,var(--blue) 19%,var(--surface));color:var(--dark);text-align:left;overflow:hidden;z-index:1}
#week-calendar .compact-day-block strong{font-size:12px;line-height:1.3}
#week-calendar .compact-day-block small{font-size:10px;opacity:.8}
#week-calendar .compact-day-now{position:absolute;left:48px;right:0;height:0;border-top:2px solid #fa6e75;z-index:4;pointer-events:none}
#week-calendar .compact-day-now:before{content:"";position:absolute;left:-4px;top:-5px;width:9px;height:9px;background:#fa6e75;border-radius:50%}
#week-calendar .compact-day-now span{position:absolute;left:-46px;top:-10px;color:#ff9096;font-size:10px;font-weight:800;background:var(--surface);padding:2px 3px;border-radius:4px}

/* Beta onboarding: install instructions stay visible; compact to a single mobile screen. */
#welcome .uni-welcome-shell{height:100svh;min-height:0;max-height:none;overflow:hidden}
#welcome .uni-welcome-note{display:block!important;margin:2px 0 0;font-size:11px;line-height:1.35;text-align:center;color:#b9c8e6}
#welcome #welcome-install{display:inline-flex!important;align-self:center;justify-content:center;align-items:center;min-height:34px;padding:6px 14px;border:1px solid #567098;border-radius:999px;background:transparent;color:#d4e8ff;font-size:12px}
#welcome .link-b-welcome-actions{gap:clamp(6px,1.1vh,12px)}
#welcome .link-b-mascot-stage img{object-fit:contain}
#auth .uni-auth-install-card{display:block!important;width:100%;min-height:34px;margin:6px 0 0;padding:5px 8px;background:transparent;border:0;color:#b6d4f8;font-size:12px;text-decoration:underline;text-underline-offset:3px;text-align:center}
#auth .uni-auth-shell{box-sizing:border-box;max-height:100svh;overflow-y:auto;overscroll-behavior:contain;padding-top:max(8px,env(safe-area-inset-top));padding-bottom:max(10px,env(safe-area-inset-bottom))}
#auth .uni-auth-top{margin-bottom:4px}
#auth .link-b-auth-scene{margin:0 0 3px;gap:8px}
#auth .link-b-auth-scene img{height:clamp(45px,8vh,70px)}
#auth .uni-auth-copy{margin-bottom:4px}
#auth .uni-auth-copy h2{margin:0 0 2px}
#auth .uni-auth-copy p{margin:0}
#auth .uni-auth-form{gap:5px}
#auth .uni-auth-form input:not([type=checkbox]),#auth .uni-auth-form select{min-height:37px}
#auth .uni-auth-mode{margin:4px 0}
#auth .uni-auth-legal{margin:3px 0 0}
@media(max-height:740px){#welcome .link-b-mascot-stage img{max-height:clamp(108px,29vh,185px)}#auth .link-b-auth-scene{display:none}#auth .uni-auth-shell{padding-left:16px;padding-right:16px}#auth .uni-auth-helper{font-size:10px}}
@media(max-height:620px){#welcome .link-b-bubble{font-size:11px}#welcome .uni-welcome-brand strong{font-size:clamp(30px,8vw,44px)}#welcome .uni-welcome-shell{padding-top:max(5px,env(safe-area-inset-top));padding-bottom:max(6px,env(safe-area-inset-bottom))}}

/* Keep the global Link header aligned across Home, Chat and Profile.
   Safe-area spacing is already provided by the shared .header rule.
   Do not add a Home-only 62px top inset, which shifts its logo downward. */
@media screen and (max-width: 700px) {
  #chat.page.active {
    padding-top: 18px !important;
  }
}

/* Bottom navigation: one viewport-anchored bar on iPhone.
   The older home-specific position:relative and unrestricted bottom safe area
   can place its border far above the home indicator. Keep bar height bounded,
   while allowing up to 34px for the actual iPhone gesture area. */
@media screen and (max-width: 700px) {
  body .bottom-nav,
  body:has(#home.active) .bottom-nav {
    position: fixed !important;
    inset: auto 0 0 0 !important;
    bottom: 0 !important;
    top: auto !important;
    width: 100% !important;
    max-width: none !important;
    height: calc(66px + clamp(12px, env(safe-area-inset-bottom, 12px), 34px)) !important;
    min-height: 0 !important;
    padding: 7px 6px clamp(12px, env(safe-area-inset-bottom, 12px), 34px) !important;
    margin: 0 !important;
    flex: none !important;
    box-sizing: border-box !important;
    z-index: 980 !important;
  }
  #link-global-plus {
    bottom: calc(90px + clamp(12px, env(safe-area-inset-bottom, 12px), 34px)) !important;
  }
}

/* Compact 6-digit email verification, usable on iPhone one-screen onboarding. */
#auth .uni-auth-confirm-panel{max-width:100%;margin:8px 0 0;text-align:center}
#auth .uni-auth-confirm-panel h3{font-size:21px;margin:8px 0 5px}
#auth .uni-auth-confirm-panel #auth-confirm-copy{overflow-wrap:anywhere;font-size:12px;line-height:1.55;margin:4px 0 10px}
#auth .uni-auth-otp-form{display:grid;gap:8px;margin:0}
#auth .uni-auth-otp-form label{font-size:12px;font-weight:700}
#auth #auth-otp-token{width:100%;max-width:270px;margin:0 auto;box-sizing:border-box;text-align:center;font-size:29px;font-weight:750;letter-spacing:.35em;padding:12px 8px;border:1px solid #667b9b;border-radius:12px;background:#171d2b;color:#fff;font-variant-numeric:tabular-nums}
#auth #auth-otp-token:focus{outline:2px solid #9bb8ff;outline-offset:2px}
#auth .uni-auth-otp-feedback{min-height:18px;margin:0;color:#e8b9ba;font-size:12px;line-height:1.45}
#auth .uni-auth-otp-form .uni-auth-primary{margin:0;min-height:44px}
#auth #auth-confirm-resend{margin-top:8px;min-height:40px}
#auth #auth-confirm-login{margin-top:6px}
#auth .uni-auth-confirm-panel>small{display:block;font-size:10px;margin-top:9px;line-height:1.5;color:#a0aac0}
@media(max-height:690px){#auth .uni-auth-confirm-panel>small{margin-top:5px}#auth .uni-auth-confirm-panel h3{margin-top:3px}#auth #auth-otp-token{font-size:24px;padding:8px}}


/* Timetable editor: keep action labels legible across custom accent themes.
   Do not let the generic full-width dark-form input rule stretch checkboxes. */
.overlay-content .dark-form > .primary-btn,
.overlay-content > .primary-btn {
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  font-size:15px;
  line-height:1.4;
  font-weight:700;
  opacity:1;
  -webkit-text-fill-color:currentColor;
}
:root[data-theme] .overlay-content .dark-form > .primary-btn:not(.secondary-btn) {
  color:#101018 !important;
}
:root[data-theme] .overlay-content :is(.dark-form > .primary-btn.secondary-btn, .primary-btn.secondary-btn) {
  background:var(--surface,#242427) !important;
  color:var(--dark,#f4f4f5) !important;
  border:1px solid var(--border,#46464a) !important;
}
.overlay-content .dark-form label:has(input[type="checkbox"]) {
  display:flex;
  align-items:center;
  gap:10px;
  line-height:1.5;
}
.overlay-content .dark-form input[type="checkbox"] {
  display:inline-block;
  width:20px;
  height:20px;
  flex:0 0 20px;
  margin:0;
  padding:0;
  accent-color:var(--uni-accent,#4389ef);
}

/* Existing calendar entries: prominent one-tap friend visibility action. */
.timetable-privacy-quick {
 display:block;width:100%;min-height:48px;margin:0 0 14px;
 padding:12px 16px;border:1px solid var(--border,#45454a);
 border-radius:12px;background:var(--surface,#242427);
 color:var(--dark,#f5f5f5);font:inherit;font-weight:700;
 text-align:center;-webkit-text-fill-color:currentColor;
}
.timetable-privacy-quick:disabled{opacity:.6}

/* Compact seven-column calendar: never split a clock time into vertical digits.
   Keep the full accessible title/time on the button for long-press and VoiceOver. */
#home .uni-calendar-event {
 display:flex;
 flex-direction:column;
 align-items:stretch;
 justify-content:flex-start;
 gap:3px;
 min-width:0;
 overflow:hidden;
 overflow-wrap:normal;
 word-break:normal;
 white-space:normal;
}
#home .uni-calendar-event-title {
 display:-webkit-box;
 -webkit-box-orient:vertical;
 -webkit-line-clamp:3;
 line-clamp:3;
 overflow:hidden;
 min-width:0;
 width:100%;
 overflow-wrap:anywhere;
 word-break:normal;
 line-height:1.3;
 font-weight:650;
}
#home .uni-calendar-event-time {
 display:block;
 width:100%;
 min-width:0;
 white-space:nowrap!important;
 overflow:hidden;
 text-overflow:clip;
 overflow-wrap:normal!important;
 word-break:keep-all;
 font-variant-numeric:tabular-nums;
 letter-spacing:-.15px;
}
@media (max-width:700px) {
 #home .uni-calendar-event {padding:3px 2px!important;gap:2px}
 #home .uni-calendar-event-title {font-size:9px;line-height:1.25}
 #home .uni-calendar-event-time {font-size:8px!important}
}

/* iPhone Safari/PWA: keep navigation in the visual viewport.
   Scroll page content inside main instead of scrolling the body containing
   the fixed navigation (which iOS WebKit can reposition while rubber-banding). */
@media screen and (max-width:700px) {
 html:has(.page.active:not(#welcome):not(#auth)),
 body:has(.page.active:not(#welcome):not(#auth)) {
   height:100%;
   min-height:0;
   overflow:hidden!important;
   overscroll-behavior:none;
 }
 body:has(.page.active:not(#welcome):not(#auth)) {
   position:fixed;
   inset:0;
   width:100%;
   height:100dvh;
   display:flex;
   flex-direction:column;
 }
 body:has(.page.active:not(#welcome):not(#auth)) > .header {
   flex:0 0 auto;
 }
 body:has(.page.active:not(#welcome):not(#auth)) > main {
   flex:1 1 auto;
   min-height:0;
   width:100%;
   box-sizing:border-box;
   overflow-y:auto;
   overflow-x:hidden;
   overscroll-behavior-y:contain;
   -webkit-overflow-scrolling:touch;
   padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))!important;
 }
 body:has(#home.active) > main {
   overflow:hidden!important;
   padding-bottom:8px!important;
 }
 body:has(.page.active:not(#welcome):not(#auth)) > .bottom-nav {
   position:fixed!important;
   left:0!important;
   right:0!important;
   top:auto!important;
   bottom:0!important;
   transform:none!important;
   margin:0!important;
   z-index:980!important;
 }
}

/* Conversation day labels and per-message local timestamps. */
#uni-friend-dm-panel .chat-date-separator,#cb-chat-panel .chat-date-separator{align-self:center;margin:15px 0 7px;padding:5px 12px;border-radius:16px;background:var(--surface,#242428);color:var(--gray,#9ca3af);font-size:12px;line-height:1.4;text-align:center}
#uni-friend-dm-panel .chat-message-row,#cb-chat-panel .chat-message-row{display:flex;align-items:flex-end;align-self:flex-start;gap:6px;max-width:100%;min-width:0}
#uni-friend-dm-panel .chat-message-row.mine,#cb-chat-panel .chat-message-row.mine{align-self:flex-end;flex-direction:row-reverse}
#uni-friend-dm-panel .chat-message-row .chat-bubble,#cb-chat-panel .chat-message-row .chat-bubble{align-self:auto;max-width:min(72vw,420px)}
#uni-friend-dm-panel .chat-message-time,#cb-chat-panel .chat-message-time{flex:0 0 auto;color:var(--gray,#9ca3af);font-size:10px;line-height:1.5;white-space:nowrap;margin-bottom:3px}

/* Push notification settings: readable on narrow iPhone screens. */
.uni-notification-row{min-width:0;grid-template-columns:42px minmax(0,1fr) 18px;column-gap:12px;padding:14px 6px;line-height:1.4}
.uni-notification-row .uni-notification-copy{min-width:0;overflow-wrap:anywhere}
.uni-notification-row .uni-notification-copy strong{display:block;font-size:15px;line-height:1.45;color:var(--text,#f5f6fa);white-space:normal}
.uni-notification-row .uni-notification-copy small{display:block;font-size:12px;color:var(--muted,#aab1bf);white-space:normal}
.uni-notification-chevron{font-size:22px;color:var(--muted,#aab1bf);text-align:center}
#unilink-push-panel .uni-install-sheet{width:min(100%,520px);max-height:min(88dvh,760px);overflow-y:auto;overflow-x:hidden;padding:24px 22px calc(22px + env(safe-area-inset-bottom));color:#f7f8fc}
#unilink-push-panel .uni-install-sheet h2{font-size:clamp(21px,5.5vw,26px);line-height:1.35;overflow-wrap:anywhere}
#unilink-push-panel #unilink-push-status{font-size:14px;line-height:1.7;color:#d1d5df;overflow-wrap:anywhere;white-space:normal}
#unilink-push-panel .uni-auth-primary{color:#fff;background:#586ee8;font-size:16px;font-weight:750}
#unilink-push-panel .uni-auth-secondary{color:#f5f6fa;font-size:15px;line-height:1.45}

/* Unified inbox: LINE-style swipe actions and pinned conversations. */
#chat-list .link-inbox-swipe{position:relative;display:block;overflow:hidden;border-radius:18px;margin-bottom:10px;touch-action:pan-y}
#chat-list .link-inbox-swipe>.chat-item{position:relative;z-index:1;width:100%;margin:0;transition:transform .22s ease;touch-action:pan-y}
#chat-list .link-inbox-swipe.is-open>.chat-item{transform:translateX(-164px)}
#chat-list .link-inbox-actions{position:absolute;right:0;top:0;bottom:0;display:flex;width:164px;align-items:stretch}
#chat-list .link-inbox-actions button{width:82px;border:0;color:white;font-size:13px;font-weight:700;cursor:pointer}
#chat-list .link-inbox-pin{background:#777b86}
#chat-list .link-inbox-hide{background:#e33e56}
@media(prefers-reduced-motion:reduce){#chat-list .link-inbox-swipe>.chat-item{transition:none}}

/* Marketplace lives within the board, not a separate navigation tab. */
#board #link-market-fields:not([hidden]){display:grid;gap:9px;padding:14px;margin:12px 0;border:1px solid var(--border);border-radius:14px;background:var(--surface)}
#board #link-market-fields[hidden]{display:none!important}
#board .link-market-card .link-market-price{display:block;font-size:21px;font-weight:800;line-height:1.2;margin:4px 0;color:var(--dark)}
#board .link-market-card .link-market-condition{font-size:12px;color:var(--muted);margin:4px 0}
#board .link-market-card .link-market-contact{display:block;width:100%;margin:12px 0;padding:12px;border:0;border-radius:12px;background:#8765db;color:white;font-weight:700}
#board .link-market-card .link-board-photo{width:100%;aspect-ratio:1/1;object-fit:cover}
#board .link-market-card .link-board-preview{gap:6px}

#board .link-market-detail{display:grid;gap:9px;padding:16px 12px;border-top:1px solid var(--border)}
#board .link-market-detail h4{font-size:16px;margin:0}
#board .link-market-detail p{margin:0;overflow-wrap:anywhere;line-height:1.6}
#board .link-market-card .link-board-preview>.link-market-price{font-size:20px;margin:2px 0 0}
#board .link-market-card .link-board-details>.link-market-detail{margin-top:10px}