/* Keep the original five palettes and compact mobile timetable. */
[hidden]{display:none!important}
.startup-screen{min-height:100dvh;display:grid;place-content:center;justify-items:center;gap:16px;padding:28px 20px;color:var(--muted);position:relative;z-index:2;text-align:center}
.startup-screen .login-flower{margin:0;font-size:38px}.startup-screen p{font-size:13px;line-height:1.8;margin:0}.startup-screen button{min-height:44px}
.login-screen{min-height:100dvh;display:grid;place-items:center;padding:28px 20px;position:relative;z-index:2}
.login-card{width:min(100%,420px);padding:36px 28px;background:var(--surface-strong);border:1px solid var(--line);border-radius:28px;box-shadow:0 20px 70px #a7648120}
.login-flower{display:block;font-size:54px;color:var(--pink);margin-bottom:28px}.login-card h1{font-size:25px;letter-spacing:-.8px;margin:12px 0}.login-card p{color:var(--muted);line-height:1.9;font-size:14px}.login-card small{display:block;color:var(--muted);line-height:1.7;font-size:11px;margin-top:24px}
#login-form{display:grid;gap:14px;margin-top:28px}#login-form label{font-size:12px;color:var(--muted)}
#login-code{width:100%;min-width:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);padding:14px;font:inherit;font-size:16px}
#sync-status{font-size:10px;color:#47866e;white-space:nowrap;display:flex;align-items:center;gap:5px}
#sync-status::before{content:"";width:5px;height:5px;border-radius:100%;background:currentColor}#sync-status.warning{color:#a06a33}
.topbar-actions{gap:10px}.filter-row{display:flex;gap:5px;padding:3px;background:var(--pink-soft);border-radius:12px;margin:0 0 10px;align-self:flex-start;max-width:100%}
.filter-chip{padding:6px 14px;min-height:32px;background:none;color:var(--muted);border:0;border-radius:9px;font:inherit;font-size:11px;white-space:nowrap;max-width:130px;overflow:hidden;text-overflow:ellipsis}
.filter-chip.active{background:var(--surface-strong);color:var(--pink-deep);box-shadow:0 2px 5px #84566d12}
.empty-slot{min-width:0;min-height:0;margin:0;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;position:relative;z-index:1;padding:0;cursor:pointer}
.empty-slot:hover,.empty-slot:focus-visible{background:var(--pink-soft)}.empty-slot:hover::after{content:"+";color:var(--pink);font-size:16px}
.week-rule{pointer-events:none}.week-course{z-index:2}.overlap-count{position:absolute;right:1px;top:1px;font:8px sans-serif;border-radius:4px;background:#806339;color:#fff;padding:1px 2px}
.week-event{z-index:3;min-width:0;min-height:0;border:1px dashed #a88bb9;border-radius:5px;margin:2px 1px;padding:3px 1px;background:#f3eaf7;color:#766180;overflow:hidden;font:inherit;font-size:10px;line-height:1.3;overflow-wrap:anywhere;text-align:center}
body[data-theme=ink] .week-event{background:#393047;color:#ddcaea}
.quick-actions{display:flex;gap:10px;padding-top:10px;flex:0 0 auto}.quick-actions button{flex:1;min-height:40px;border-radius:13px;font-size:13px}
.week-events{display:flex;gap:7px;overflow-x:auto;padding-top:8px;flex:0 0 auto;max-height:62px}
.event-peek{display:grid;grid-template-columns:auto 1fr;gap:3px 7px;flex:0 0 auto;max-width:180px;text-align:left;padding:6px 10px;border:1px solid var(--line);background:var(--pink-soft);color:var(--ink);border-radius:10px}
.event-peek span{font-size:10px;color:var(--pink-deep)}.event-peek b{font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.event-peek small{grid-column:2;font-size:9px;color:var(--muted)}
.sheet{width:min(560px,calc(100vw - 32px));max-height:calc(100dvh - 40px);margin:auto;border:1px solid var(--line);border-radius:24px;background:var(--surface-strong);color:var(--ink);padding:0;box-shadow:0 24px 100px #38213238;overscroll-behavior:contain}
.sheet::backdrop{background:#2c233a55;backdrop-filter:blur(5px)}
.sheet-head{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:22px 24px 16px;border-bottom:1px solid var(--line);background:var(--surface-strong)}
.sheet-head h2{font-size:21px;margin:6px 0 0;line-height:1.4;overflow-wrap:anywhere}.sheet-head .eyebrow{font-size:9px;letter-spacing:1.8px;margin:0}
.sheet-close{flex-shrink:0;border:1px solid var(--line);background:var(--pink-soft);color:var(--pink-deep);border-radius:50%;width:38px;height:38px;font-size:25px}
.sheet-body{padding:20px 24px 28px}.sheet-intro{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 20px}
.sheet form{display:grid;gap:16px}.sheet label{display:grid;gap:7px;font-size:12px;color:var(--muted);min-width:0}
#event-timing{display:grid;gap:14px}
.sheet input:not([type=checkbox]),.sheet select,.sheet textarea{width:100%;max-width:100%;min-width:0;box-sizing:border-box;border:1px solid var(--line);border-radius:11px;padding:12px;background:var(--surface);color:var(--ink);font:inherit;font-size:16px}
.sheet textarea{resize:vertical;min-height:96px;line-height:1.6}.sheet input[type=date],.sheet input[type=time]{min-height:46px;appearance:none}
.sheet .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sheet .check-label{display:flex;align-items:center;gap:9px}.sheet input[type=checkbox]{width:20px;height:20px;margin:0;accent-color:var(--pink-deep);flex-shrink:0}
.form-buttons{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}.form-buttons>*{flex:1;min-height:44px}
.field-hint{color:var(--muted);font-size:11px;line-height:1.8;margin:0}
.danger-button{color:#b74e65;background:transparent;border:1px solid #b74e6533;border-radius:10px;padding:11px;font:inherit;font-size:12px;min-height:42px}
.choice-cards{display:grid;gap:12px}.choice-card{padding:22px;text-align:left;border:1px solid var(--line);border-radius:16px;background:var(--pink-soft);color:var(--pink-deep);font-size:16px}
.choice-card:nth-child(2){background:#72a9cf13;color:var(--ink)}.choice-card:nth-child(3){background:var(--surface)}
.note-item{display:flex;gap:10px;border-bottom:1px solid var(--line);padding:18px 0}.note-check{width:32px;height:40px;flex-shrink:0;background:transparent;border:0;color:var(--pink-deep);font-size:24px}
.note-content{flex:1;min-width:0;text-align:left;border:0;background:none;color:var(--ink);padding:0;font:inherit}.note-content b{font-size:15px;line-height:1.5;overflow-wrap:anywhere}.note-content p{font-size:12px;color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7;margin:7px 0}.note-content small{font-size:10px;color:var(--muted)}.note-item.done b{text-decoration:line-through;opacity:.6}
.manager-row{display:grid;text-align:left;width:100%;gap:7px;background:var(--surface);border:1px solid var(--line);border-left:3px solid #65b6dd;border-radius:12px;margin-top:10px;padding:14px;color:var(--ink);font:inherit}.manager-row.chen{border-left-color:#e98daf}.manager-row b{font-size:14px}.manager-row span,.manager-row small{font-size:11px;color:var(--muted);overflow-wrap:anywhere}
.history-row{padding:16px 0;border-bottom:1px solid var(--line);display:grid;gap:8px}.history-row small{color:var(--muted);font-size:11px}.history-row button{justify-self:start}.history-json{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:1.7;background:var(--pink-soft);padding:16px;border-radius:12px}
.upload-zone{padding:20px 12px;border:1px dashed var(--pink);border-radius:14px;margin:20px 0}.import-list{max-height:300px;overflow:auto;margin:16px 0}.import-list label{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.import-list small{display:block;margin-top:5px}
.legacy-avatar{display:flex;align-items:center;gap:12px;margin:12px 0}.legacy-avatar img{width:60px;height:60px;border-radius:50%}
.settings-actions{display:flex;flex-wrap:wrap;gap:8px}.settings-actions button{min-height:42px}.settings-grid>.setting-card:last-child{grid-column:1/-1}
.free-chips{display:flex;flex-wrap:wrap;gap:8px;padding:16px}.free-chips button{font-size:12px;border:1px solid var(--line)}.compare-detail{padding:0 16px 16px;display:grid;gap:8px}
.day-timeline{display:grid;gap:12px}.day-timeline .course-card,.compare-detail .course-card{padding:16px;min-height:85px;text-align:left}
.course-card.shared{border-left:4px solid #9283b9;background:#a995c218}.prewrap{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8;font-size:13px}
.notice{background:var(--pink-soft);border:1px solid var(--line);border-radius:14px;padding:14px;font-size:12px;line-height:1.8}.notice button{display:block;width:100%;text-align:left;margin-top:8px}.detail-kicker{color:var(--muted);font-size:12px}
body[data-view=week] #week-grid{min-height:380px}
.week-time small{display:flex!important;flex-direction:column!important;gap:1px!important;line-height:1.1}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
@media(max-width:600px){
 .sheet{width:100%;max-width:100%;max-height:92dvh;margin:auto 0 0;border-radius:24px 24px 0 0;border-bottom:0}
 .sheet-head{padding:21px 20px 14px}.sheet-body{padding:18px 20px max(28px,env(safe-area-inset-bottom))}.sheet-head h2{font-size:20px}
 .sheet .form-row{gap:10px}.topbar-actions{gap:8px}#sync-status{font-size:9px}
 .quick-actions{padding:8px 2px 0;gap:8px}.quick-actions button{min-height:38px;font-size:12px}
 body[data-view=week] #view-week{margin-top:8px}
 .filter-row{margin-bottom:8px}.filter-chip{min-height:30px;padding:5px 12px;font-size:10px}
 .week-events{max-height:56px}.week-foot{font-size:9px;padding-top:7px}
 body[data-view=week] .week-grid-wrap{min-height:0}
 body:not([data-view=week]) .quick-actions{position:sticky;bottom:76px;padding:10px;background:var(--surface-strong);border:1px solid var(--line);border-radius:15px;z-index:6}
 .toast{bottom:90px}.login-card{padding:30px 24px}.week-head{min-height:36px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* AI uses the existing blossom palette; the viewport frame owns keyboard sizing. */
.ai-settings-card{display:grid;gap:12px}.ai-settings-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ai-status-pill{display:inline-flex;align-items:center;min-height:30px;max-width:100%;padding:0 10px;border-radius:999px;background:#f4edf1;color:#685b65;font-size:12px;overflow-wrap:anywhere}.ai-status-pill.ok{background:#e7f7ed;color:#267647}.ai-status-pill.missing{background:#fff0f2;color:#a5465a}
html.ai-panel-open,html.ai-panel-open body{overflow:hidden!important;overscroll-behavior:none}html.ai-panel-open body{position:fixed;top:var(--ai-page-top,0px);left:0;right:0;width:100%;height:100%}
.ai-layer{position:fixed;z-index:81;top:0;left:0;right:0;height:100dvh;display:flex;align-items:flex-end;justify-content:center;isolation:isolate;overflow:hidden}
.ai-backdrop{position:absolute;inset:0;background:rgba(58,35,48,.3)}
.ai-drawer{position:relative;z-index:1;display:flex;flex-direction:column;width:min(680px,100%);height:min(88dvh,760px);max-height:100%;min-height:0;box-sizing:border-box;padding:18px 18px max(12px,env(safe-area-inset-bottom));border-radius:24px 24px 0 0;background:#fff9fc;color:#342936;box-shadow:0 -12px 44px rgba(120,58,91,.18);overflow:hidden}
.ai-heading{display:flex;align-items:center;flex:none;gap:10px;margin:0 52px 14px 0;min-height:44px}.ai-heading>div{min-width:0}.ai-heading h2{margin:0;font-size:20px;line-height:1.45;color:#342936}.ai-heading small{display:block;color:#756570;font-size:11px;line-height:1.6}.ai-heading .subtle-button{flex-shrink:0;margin-left:auto;padding:8px;font-size:12px;min-height:44px;white-space:nowrap;color:#99315e;background:#fff;border:1px solid #edd9e2;border-radius:12px}
.ai-sparkle{color:#cf5f8e;font-size:28px;flex:none}.ai-drawer .drawer-close{top:18px;right:14px;width:44px;height:44px;color:#99315e;background:#fff0f5;border:0;border-radius:14px}
.ai-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;overflow-anchor:none;padding:2px 2px 12px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.ai-messages{display:flex;flex-direction:column;gap:12px}.ai-messages p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.75}
.ai-empty{color:#756570;text-align:center;padding:24px 10px;margin:auto 0}
.ai-assistant-message{align-self:flex-start;max-width:96%;margin:0;padding:12px 14px;border:1px solid #efdbe4;border-radius:16px 16px 16px 4px;background:#fff;color:#342936;box-shadow:0 2px 8px #9c557008}
.ai-user-message{align-self:flex-end;max-width:90%;margin:0;padding:10px 14px;border-radius:16px 16px 4px 16px;background:#fde4ef;color:#5b2445}
.ai-progress-message{color:#756570;font-size:13px!important;font-style:italic;background:#fff7fa;border-color:#f3dce7}
.ai-schedule-read{align-self:flex-start;width:100%;box-sizing:border-box;padding:0 13px;border:1px solid #efdbe4;border-radius:13px;background:#fff5f9;color:#684357;font-size:13px}
.ai-schedule-read summary{min-height:44px;padding:10px 0;box-sizing:border-box;cursor:pointer;line-height:24px;color:#895270;font-weight:600;overflow-wrap:anywhere}.ai-schedule-read summary:focus-visible{outline:2px solid #9d4c75;outline-offset:2px}.ai-schedule-read p{margin:6px 0 10px;font-size:13px;color:#684357;line-height:1.65}.ai-read-window{border-top:1px solid #efdbe4;padding-top:10px;margin-top:10px}.ai-read-window b{font-size:13px;color:#4e263f}.ai-read-window ul{padding-left:18px;margin:6px 0 10px;line-height:1.7;overflow-wrap:anywhere}.ai-read-window p{font-size:12px}
.ai-preview{margin-top:14px;padding:16px;border:1px solid #edb5cd;border-radius:18px;background:#fff;color:#342936}.ai-preview h3{margin:0 0 12px;font-size:16px;color:#4e263f!important}.ai-preview p{margin:6px 0;font-size:13px;line-height:1.75;color:#403542;overflow-wrap:anywhere;white-space:pre-wrap}.ai-preview strong{color:#895270!important;font-weight:500}
.ai-plan-item+.ai-plan-item{border-top:1px solid #f1e2e9;margin-top:14px;padding-top:14px}.ai-plan-item h4{font-size:14px;color:#4e263f;margin:0 0 8px}
.ai-assumptions{background:#fff5f9;border-radius:12px;padding:12px;margin-bottom:16px;font-size:12px;line-height:1.7;color:#684357}.ai-assumptions b{font-weight:600}.ai-assumptions ul{margin:5px 0 0;padding-left:18px}
.ai-preview .ai-validation{color:#756570;font-size:12px;margin-top:14px}.ai-actions{display:flex;gap:10px;margin-top:12px}.ai-actions button{min-height:46px;flex:1;border-radius:12px;font:inherit;font-weight:600;font-size:14px;cursor:pointer}.ai-confirm{border:0;background:#cf5f8e;color:#fff}.ai-cancel{border:1px solid #edc3d5;background:#fff;color:#99315e}.ai-hint{text-align:center;color:#756570;font-size:12px;margin:10px 0 0}
.ai-composer{display:flex;align-items:flex-end;gap:8px;flex:none;margin-top:4px;padding-top:10px;border-top:1px solid #edd9e2}.ai-composer textarea{display:block;box-sizing:border-box;flex:1;width:0;min-width:0;min-height:48px;max-height:116px;resize:none;overflow-y:auto;margin:0;padding:11px 12px;border:1px solid #e9c5d6;border-radius:16px;background:#fff;color:#342936;font:inherit;font-size:16px;line-height:24px;appearance:none;outline:none}.ai-composer textarea::placeholder{color:#8b7682}.ai-composer textarea:focus{border-color:#bd7195;box-shadow:0 0 0 2px #cf5f8e16}
.ai-composer button{flex:none;width:48px;height:48px;border:0;border-radius:16px;background:#cf5f8e;color:#fff;font-size:22px;cursor:pointer}.ai-drawer button:disabled{opacity:.55;cursor:wait}.ai-drawer button:focus-visible{outline:2px solid #9d4c75;outline-offset:2px}
.ai-suggestions{display:grid;gap:8px}.ai-suggestions button{min-height:44px;text-align:left;white-space:normal;overflow-wrap:anywhere;background:#fff;color:#66354f;border:1px solid #e9c5d6;border-radius:12px;padding:11px 12px;font:inherit;font-size:13px;line-height:1.6}
.ai-latest{flex:none;align-self:center;min-height:38px;margin:4px 0;border:1px solid #edc3d5;border-radius:20px;padding:7px 14px;background:#fff;color:#99315e;font:inherit;font-size:12px}
@media(max-width:600px){.ai-drawer{height:100%;border-radius:0;padding:12px 14px max(10px,env(safe-area-inset-bottom))}.ai-heading{margin-bottom:12px}.ai-heading h2{font-size:18px}.ai-drawer .drawer-close{top:12px;right:12px}.ai-heading .subtle-button{font-size:11px}.ai-heading small{font-size:11px}}
@media(max-width:360px){.ai-heading{gap:7px}.ai-heading h2{font-size:16px}.ai-sparkle{font-size:23px}.ai-preview{padding:13px}}