/* === base.css ============================================= */
/* Reset */
*,
*::before,
*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans TC",sans-serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
}

/* Tokens */
:root{
  /* 全站背景與面板 */
  --bg:#050609;
  --surface:#101015;
  --surface-2:#191119;

  /* 文字與輔助色 */
  --muted:#9ca3af;
  --border:#3b141c;
  --text:#f9fafb;

  /* 主要紅色：按鈕、重點線條、連結 */
  --link:#f97373;
  --primary:#dc2626;
  --primary-600:#991b1b;
  --ring:#f97373;

  /* 其餘排版用 Token 維持不變 */
  --radius: 14px;
  --container: 1120px;
  --gap: 16px;
}

/* Media helpers */
@media (min-width: 560px){ :root{ --gap: 18px; } }
@media (min-width: 960px){ :root{ --gap: 20px; } }

/* Elements */
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
img,video,iframe { max-width: 100%; height: auto; display: block; }
table { width: 100%; border-collapse: collapse; }
th,td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
th {
  text-align: left; color: var(--muted); font-weight: 600;
  border-bottom: 2px solid color-mix(in oklab, var(--primary), black 70%);
}

/* Layout */
.container{ width: min(100% - 32px, var(--container)); margin-inline: auto; }
.container.small{ width: min(100% - 32px, 880px); }
.panel{
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid color-mix(in oklab, var(--primary), black 60%);
  border-radius: var(--radius);
  padding: 20px;
}

.grid-2{ display: grid; grid-template-columns: 1fr; gap: var(--gap); }
@media (min-width: 720px){ .grid-2{ grid-template-columns: 1fr 1fr; } }
.grid-4{ display: grid; grid-template-columns: 1fr; gap: var(--gap); }
@media (min-width: 560px){ .grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (min-width: 960px){ .grid-4{ grid-template-columns: repeat(4,1fr); } }
.grid-cards{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(220px,1fr));
  gap: var(--gap);
}

/* Header / Nav */
.site-header{
  position: sticky; top:0; z-index: 40;
  background: color-mix(in oklab, var(--surface) 88%, black 12%);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.nav{ display:flex; align-items:center; justify-content:space-between; gap: 10px; min-height: 56px; }
.brand{ font-weight: 700; color: var(--text); }
.nav-toggle{
  appearance: none; border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text); padding: 8px 10px; border-radius: 10px; cursor: pointer;
}
.navmenu{ list-style: none; margin: 0; padding: 0; }
.navmenu li{ display:block; }
.navmenu a{ display:block; padding: 10px 8px; border-radius: 8px; color: var(--text); }
.navmenu a[aria-current="page"]{ background: color-mix(in oklab, var(--primary), black 90%); }

@media (max-width: 767.98px){
  .navmenu{ display:none; position:absolute; left:0; right:0; top:56px; background: var(--surface); border-bottom:1px solid var(--border); }
  .navmenu.is-open{ display:block; }
}
@media (min-width: 768px){
  .nav-toggle{ display:none; }
  .navmenu{ position:static; display:flex; gap: 6px; background: transparent; border:0; }
}

/* Hero */
.hero{ display:grid; gap: var(--gap); align-items:center; padding-block: 24px; }
.hero-text h1{ margin: 0 0 8px 0; font-size: clamp(24px, 2.2vw + 1rem, 44px); }
.hero-visual img{ border-radius: var(--radius); }
@media (min-width: 960px){ .hero{ grid-template-columns: 1.2fr 1fr; } }

/* Cards */
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: transform .12s ease, border-color .12s ease, box-shadow .12s ease;
}
.card:hover{ transform: translateY(-2px); border-color: color-mix(in oklab, var(--border), var(--primary) 40%); box-shadow: 0 4px 28px rgba(0,0,0,.25); }
.card__media{ overflow: hidden; border-radius: 12px; background: var(--surface-2); }
.card__media img{ width:100%; height:100%; object-fit: cover; aspect-ratio: 16/9; }

/* Buttons */
.btn{
  display:inline-block; padding: 10px 14px; border-radius: 12px;
  background: var(--primary); color: white; border: 1px solid color-mix(in oklab, var(--primary), black 20%);
  text-decoration:none; cursor:pointer; font-weight:600;

  position: relative; overflow: hidden;

  transition: transform .14s ease, filter .14s ease, box-shadow .14s ease;
  will-change: transform, filter;
}

.btn:hover{ filter: brightness(1.04); transform: translateY(-1px); }
.btn:active{ transform: translateY(0) scale(.98); }
.btn:focus-visible{ outline: 3px solid var(--ring); outline-offset: 2px; }
.btn.outline{
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}

/* Forms / Filters */
.filters{
  display: grid; gap: 10px; align-items: end;
  grid-template-columns: 1fr;
  margin-block: 10px 16px;
}
.filters label{ display:flex; flex-direction: column; gap:6px; font-size: 14px; color: var(--muted); }
input[type="text"], input[type="search"], input[type="date"], select{
  background: var(--surface-2); color: var(--text); border:1px solid var(--border);
  border-radius: 10px; padding: 10px 12px;
}
@media (min-width: 720px){
  .filters{ grid-template-columns: repeat(4, minmax(0,1fr)); }
  .filters #btn-reset{ justify-self: start; }
}

/* Tables */
.table-wrap{ overflow-x: auto; }
.table-wrap table{ min-width: 640px; }

/* 手機：時程表改走自適應格線，不強迫最小寬度 */
@media (max-width: 720px){
  .table-wrap .schedule-table{ min-width: 0; }
}

/* Footer */
.site-footer{ margin-top: 32px; padding: 18px 0; border-top:1px solid var(--border); color: var(--muted); }

/* Utils */
.small{ font-size: 14px; color: var(--muted); }
.skip-link{
  position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: 12px; top: 12px; width:auto; height:auto; padding:8px 10px; z-index:100; background: var(--surface-2); border-radius: 8px;
}

/* State: spinner & skeleton */
.spinner{
  width: 20px; height: 20px; border: 3px solid var(--border); border-top-color: var(--primary);
  border-radius: 50%; display: inline-block; animation: spin 1s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }

.skeleton{
  position: relative; overflow: hidden; background: color-mix(in oklab, var(--surface-2), white 4%);
  border-radius: 10px; min-height: 1.25rem;
}
.skeleton::after{
  content:""; position:absolute; inset:0; transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, color-mix(in oklab, white 6%, var(--surface-2)), transparent);
  animation: shimmer 1.2s infinite;
}
@keyframes shimmer{ to{ transform: translateX(100%); } }

@media (prefers-reduced-motion: reduce){
  .btn{ transition: none; }
}

.hero .meta{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; }