:root {
  color-scheme: light;
  --navy: #082a36;
  --navy-2: #0d3c4a;
  --teal: #007d79;
  --teal-light: #d8f3ec;
  --ink: #15313a;
  --muted: #64777c;
  --line: #dce7e5;
  --paper: #f8fbfa;
  --white: #fff;
  --danger: #a4313a;
  --radius: 18px;
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.55; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid #ffa55b; outline-offset: 3px; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 10; background: #fff; padding: .5rem .8rem; color: var(--navy); }
.skip-link:focus { top: 1rem; }
.topbar { min-height: 70px; display: flex; align-items: center; gap: 2rem; padding: .8rem clamp(1rem, 4vw, 4rem); color: #fff; background: var(--navy); }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: inherit; text-decoration: none; font-weight: 750; letter-spacing: .01em; }
.brand small { display: block; color: #9dc4c6; font-size: .69rem; font-weight: 500; letter-spacing: .08em; }
.brand-mark { display: grid; place-items: center; width: 2.05rem; height: 2.05rem; border-radius: 9px; color: var(--navy); background: #72dcc8; font-family: Georgia, serif; font-size: 1.35rem; }
.main-nav { display: flex; gap: .25rem; margin-right: auto; }
.main-nav a { padding: .44rem .72rem; border-radius: 8px; color: #c7dcde; text-decoration: none; font-size: .93rem; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: #fff; background: rgba(255,255,255,.13); }
main { max-width: 1280px; margin: 0 auto; padding: clamp(1.25rem, 3vw, 3rem) clamp(1rem, 4vw, 4rem) 4rem; }
.view { animation: appear .22s ease-out; }
@keyframes appear { from { opacity: 0; transform: translateY(4px); } }
.login-view { display: grid; min-height: calc(100vh - 170px); place-items: center; }
.login-card { width: min(100%, 550px); padding: clamp(1.5rem, 5vw, 3rem); background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 18px 50px rgba(8,42,54,.09); }
h1, h2, h3, p { margin-top: 0; } h1 { margin-bottom: .45rem; font-size: clamp(1.8rem, 4vw, 2.65rem); line-height: 1.2; } h2 { margin-bottom: 0; font-size: 1.38rem; } h3 { margin-bottom: .3rem; font-size: 1.05rem; }
.eyebrow { margin-bottom: .42rem; color: var(--teal); font-size: .75rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.hero-grid { display: grid; grid-template-columns: 1fr minmax(190px, 270px); gap: 1.2rem; align-items: stretch; }
.hero-copy, .page-heading p, .login-card > p { color: var(--muted); }
.clock-card { display: flex; flex-direction: column; justify-content: center; padding: 1.25rem 1.5rem; border-radius: var(--radius); color: #d7f9ef; background: linear-gradient(140deg, var(--navy), var(--navy-2)); }
.clock-card span, .clock-card small { font-size: .82rem; color: #a8d3cf; } .clock-card strong { font-size: 2.1rem; letter-spacing: .04em; }
.notice { display: flex; gap: .5rem; align-items: baseline; margin: 1.5rem 0; padding: .8rem 1rem; border-radius: 10px; font-size: .92rem; }
.notice-warning { color: #5f4a10; background: #fff5d9; border: 1px solid #ecd68c; }
.section-heading, .page-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin: 2.4rem 0 1rem; }
.section-heading.compact { margin-top: 2.7rem; }.page-heading { align-items: start; margin-top: 0; }.page-heading > div { max-width: 650px; }
.primary-button, .quiet-button, .text-button, .back-button { border: 0; border-radius: 9px; padding: .58rem .9rem; font-weight: 700; }
.primary-button { color: #fff; background: var(--teal); }.primary-button:hover { background: #006966; }.quiet-button { color: var(--navy); background: #e7f0ef; }.topbar .quiet-button { color: #fff; background: rgba(255,255,255,.13); }.text-button, .back-button { padding: .25rem 0; color: var(--teal); background: transparent; }.back-button { margin-bottom: 1rem; }
.current-card { min-height: 140px; padding: 1.3rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }.current-card.is-loading { display: grid; place-items: center; color: var(--muted); }
.current-status { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; }.status-chip { display: inline-block; padding: .18rem .55rem; border-radius: 999px; color: #075b56; background: var(--teal-light); font-size: .78rem; font-weight: 750; }.course-link { color: inherit; text-decoration: none; }.course-link:hover { color: var(--teal); text-decoration: underline; }
.timeline { display: grid; gap: .65rem; }.timeline-item { display: grid; grid-template-columns: 3.8rem 1fr auto; align-items: center; gap: 1rem; min-height: 70px; padding: .75rem 1rem; border: 1px solid var(--line); border-left: 5px solid var(--course-color, var(--teal)); border-radius: 11px; background: #fff; }.timeline-item time { color: var(--muted); font-size: .86rem; }.timeline-item strong { display: block; }.timeline-item span { color: var(--muted); font-size: .85rem; }.timeline-item .period { font-size: .8rem; }
.schedule-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }.weekly-grid { min-width: 780px; display: grid; grid-template-columns: 66px repeat(5, minmax(132px,1fr)); }.schedule-cell { min-height: 74px; padding: .55rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }.schedule-cell:nth-last-child(-n + 6) { border-bottom: 0; }.schedule-header { min-height: 53px; padding: .75rem .55rem; color: var(--muted); background: #f1f7f6; font-size: .82rem; font-weight: 700; text-align: center; }.period-cell { color: var(--muted); background: #f9fbfb; text-align: center; font-size: .75rem; }.period-cell time { display: block; font-size: .69rem; }.slot-card { min-height: 60px; padding: .45rem; border-left: 4px solid var(--course-color); border-radius: 6px; background: color-mix(in srgb, var(--course-color) 12%, #fff); }.slot-card a { color: var(--ink); text-decoration: none; font-size: .8rem; font-weight: 750; line-height: 1.3; }.slot-card small { display: block; color: var(--muted); font-size: .69rem; }
.course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 1rem; }.course-card { position: relative; min-height: 170px; overflow: hidden; padding: 1.15rem; border: 1px solid var(--line); border-radius: var(--radius); color: inherit; background: #fff; text-align: left; box-shadow: 0 2px 0 rgba(8,42,54,.02); }.course-card:hover { transform: translateY(-2px); box-shadow: 0 12px 25px rgba(8,42,54,.08); }.course-card::before { content:""; position:absolute; inset:0 0 auto; height:5px; background: var(--course-color); }.course-card p { margin-bottom: .35rem; color: var(--muted); font-size: .88rem; }.course-card .course-meta { position:absolute; bottom:1rem; display:flex; gap:.75rem; color:var(--muted); font-size:.78rem; }.course-dot { display: inline-block; width:.65rem; height:.65rem; margin-right:.35rem; border-radius:99px; background:var(--course-color); }
.search-field input { width: min(100%, 300px); padding: .6rem .8rem; border: 1px solid #bdcecb; border-radius: 9px; background: #fff; }.search-results { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }.search-result { padding: .8rem 0; border-bottom: 1px solid var(--line); }.search-result a { color: var(--teal); font-weight: 750; }.search-result p { margin: .2rem 0 0; color: var(--muted); font-size: .88rem; }
.course-header { display: flex; align-items: start; gap: 1rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--line); }.course-color-mark { flex: 0 0 auto; width: 1rem; height: 3rem; border-radius: 99px; background: var(--course-color); }.course-header p { margin-bottom: 0; color: var(--muted); }.detail-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(260px,.72fr); gap: 2rem; margin-top: 1.7rem; }.detail-section { margin-bottom: 2rem; }.detail-section > .section-heading { margin: 0 0 .8rem; }.stack { display: grid; gap: .65rem; }.record-card { padding: .9rem 1rem; border: 1px solid var(--line); border-radius: 11px; background: #fff; }.record-card p { margin-bottom: .35rem; white-space: pre-wrap; color: var(--muted); }.record-card .record-meta { color: var(--muted); font-size: .78rem; }.record-card a { color: var(--teal); }.form-card { margin-bottom: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: 13px; background: #fff; }.form-card h3 { margin-bottom: .8rem; }.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }.field-grid .full { grid-column: 1 / -1; }.form-card label { display: grid; gap: .28rem; color: var(--muted); font-size: .79rem; }.form-card input, .form-card textarea, .form-card select { width: 100%; padding: .53rem .6rem; border: 1px solid #bdcecb; border-radius: 7px; color: var(--ink); background: #fff; }.form-card textarea { min-height: 90px; resize: vertical; }.form-actions { display:flex; justify-content:space-between; align-items:center; gap:.7rem; margin-top:.8rem; }.form-message { min-height: 1.2em; margin: .5rem 0 0; color: var(--danger); font-size: .8rem; }.form-message.success { color: #087261; }.file-preview { margin-top: .65rem; border-radius: 8px; max-width: 100%; max-height: 180px; object-fit: contain; background: #edf3f2; }.session-list { display: grid; gap: .65rem; }.session-day { padding: .8rem 1rem; border-left: 4px solid var(--teal); background: #edf8f6; }.session-day > strong { display: block; margin-bottom: .35rem; }.event-item { padding: .75rem 0; border-bottom: 1px solid var(--line); }.event-item:last-child { border: 0; }.event-item time { display:block; color:var(--teal); font-size:.8rem; font-weight:750; }.global-message { margin-bottom: 1rem; padding: .75rem 1rem; border-radius: 9px; color:#724019; background:#fff0e5; }.empty-state { padding: 1.5rem; border: 1px dashed #b9cdca; border-radius: 11px; color: var(--muted); text-align: center; }.empty-state span { color: var(--teal); font-size: 1.5rem; }.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.chapter-filters { display:flex; flex-wrap:wrap; gap:.45rem; margin:1rem 0 -.45rem; }.filter-button { max-width:100%; overflow:hidden; border:1px solid var(--line); border-radius:999px; padding:.34rem .7rem; color:var(--navy); background:#fff; text-overflow:ellipsis; white-space:nowrap; font-size:.8rem; }.filter-button[aria-pressed="true"] { border-color:var(--teal); color:#fff; background:var(--teal); }.entry-thumbnail { display:block; width:100%; max-width:360px; max-height:260px; margin:.2rem 0 .7rem; border:1px solid var(--line); border-radius:8px; object-fit:contain; background:#edf3f2; }
@media (max-width: 760px) { .topbar { gap:.8rem; padding:.7rem 1rem; flex-wrap:wrap; }.main-nav { order:3; width:100%; justify-content:space-between; }.main-nav a { flex:1; text-align:center; }.topbar .quiet-button { margin-left:auto; }.hero-grid, .detail-grid { grid-template-columns: 1fr; }.clock-card { min-height:120px; }.section-heading, .page-heading { align-items:start; flex-direction:column; }.search-field, .search-field input { width:100%; }.timeline-item { grid-template-columns:3.2rem 1fr; gap:.7rem; }.timeline-item .period { grid-column:2; }.field-grid { grid-template-columns:1fr; }.field-grid .full { grid-column:auto; }.notice { flex-direction:column; gap:.15rem; } }
@media (max-width: 390px) { main { padding:1.15rem .8rem 3rem; }.brand small { display:none; }.course-grid { grid-template-columns:1fr; } }
[hidden] { display: none !important; }