/* ==========================================
   共用設計系統：疊杯賽事系統 / 代表隊集訓成績系統
   兩個前端頁面（index.html, team.html）共用同一份 token 與元件樣式，
   之後要調色只需要改這裡一個地方。
   ========================================== */
:root {
  --bg: #EEF0F3;
  --bg-raised: #FFFFFF;
  --bg-sunken: #E2E5EA;
  --ink: #14171C;
  --ink-soft: #4B515C;
  --ink-faint: #8A909B;
  --line: #D6DAE1;
  --accent: #F5A800;      /* stack yellow */
  --accent-ink: #3A2900;
  --accent-2: #2D6FE0;    /* cup blue */
  --accent-2-soft: #E7EEFC;
  --semantic-best: #E8432F; /* 犯規/警示 */
  --semantic-best-soft: #FCE7E4;
  --semantic-open: #1C8A5A; /* 最佳成績/成功 */
  --semantic-open-soft: #E4F5EC;
  --semantic-admin: #7B4FE0;
  --semantic-admin-soft: #EFE8FC;
  --radius-s: 6px;
  --radius-m: 12px;
  --radius-l: 20px;
  --shadow-card: 0 1px 2px rgba(20,23,28,0.06), 0 8px 24px -12px rgba(20,23,28,0.18);
  --mono: ui-monospace, "SF Mono", "Roboto Mono", "Cascadia Mono", Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161B; --bg-raised: #1C1F26; --bg-sunken: #101216;
    --ink: #EDEEF0; --ink-soft: #A8AEB8; --ink-faint: #6B7079; --line: #2B2F38;
    --accent: #FFC93C; --accent-ink: #241900;
    --accent-2: #6E9EFF; --accent-2-soft: #1B2740;
    --semantic-best: #FF6B57; --semantic-best-soft: #3A1D18;
    --semantic-open: #4ED393; --semantic-open-soft: #122A20;
    --semantic-admin: #B79CFF; --semantic-admin-soft: #241C3B;
    --shadow-card: 0 1px 2px rgba(0,0,0,0.4), 0 12px 28px -14px rgba(0,0,0,0.6);
  }
}
:root[data-theme="dark"] {
  --bg: #14161B; --bg-raised: #1C1F26; --bg-sunken: #101216;
  --ink: #EDEEF0; --ink-soft: #A8AEB8; --ink-faint: #6B7079; --line: #2B2F38;
  --accent: #FFC93C; --accent-ink: #241900;
  --accent-2: #6E9EFF; --accent-2-soft: #1B2740;
  --semantic-best: #FF6B57; --semantic-best-soft: #3A1D18;
  --semantic-open: #4ED393; --semantic-open-soft: #122A20;
  --semantic-admin: #B79CFF; --semantic-admin-soft: #241C3B;
  --shadow-card: 0 1px 2px rgba(0,0,0,0.4), 0 12px 28px -14px rgba(0,0,0,0.6);
}
:root[data-theme="light"] {
  --bg: #EEF0F3; --bg-raised: #FFFFFF; --bg-sunken: #E2E5EA;
  --ink: #14171C; --ink-soft: #4B515C; --ink-faint: #8A909B; --line: #D6DAE1;
  --accent: #F5A800; --accent-ink: #3A2900;
  --accent-2: #2D6FE0; --accent-2-soft: #E7EEFC;
  --semantic-best: #E8432F; --semantic-best-soft: #FCE7E4;
  --semantic-open: #1C8A5A; --semantic-open-soft: #E4F5EC;
  --semantic-admin: #7B4FE0; --semantic-admin-soft: #EFE8FC;
  --shadow-card: 0 1px 2px rgba(20,23,28,0.06), 0 8px 24px -12px rgba(20,23,28,0.18);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--ink); font-family: var(--sans);
  line-height: 1.5; -webkit-font-smoothing: antialiased;
  padding: 78px 15px 40px; max-width: 640px; margin: 0 auto;
}
.tabular { font-variant-numeric: tabular-nums; }

/* ---------- navbar ---------- */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 2000; height: 60px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.navbar-inner {
  max-width: 640px; margin: 0 auto; height: 60px; padding: 0 15px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 0.98rem; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0;
  background: linear-gradient(155deg, var(--accent), var(--semantic-best) 130%);
  display: flex; align-items: center; justify-content: center;
  color: #17140C; font-size: 1rem;
}
.brand small { display: block; font-weight: 500; font-size: 0.66rem; color: var(--ink-faint); }
.theme-toggle-btn {
  width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--bg-raised); color: var(--ink-soft); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; font-size: 0.9rem; flex-shrink: 0;
}
.theme-toggle-btn:hover { border-color: var(--ink-faint); color: var(--ink); }

h2 { text-align: center; color: var(--ink); margin-bottom: 5px; font-size: 1.35rem; font-weight: 800; }
h3 { font-size: 1rem; font-weight: 800; margin: 0 0 12px; }

/* ---------- badges / status ---------- */
.status-bar { display: flex; justify-content: center; gap: 10px; margin-bottom: 15px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 700; padding: 6px 14px; border-radius: 999px; }
.badge .sq { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.badge-area { background: var(--semantic-open-soft); color: var(--semantic-open); }
.badge-area .sq { background: var(--semantic-open); }
.badge-judge { background: var(--accent-2-soft); color: var(--accent-2); }
.badge-judge .sq { background: var(--accent-2); }
.badge-guest { background: var(--bg-sunken); color: var(--ink-faint); }
.badge-guest .sq { background: var(--ink-faint); }
.badge-admin { background: var(--semantic-admin-soft); color: var(--semantic-admin); }
.badge-admin .sq { background: var(--semantic-admin); }

/* ---------- cards ---------- */
.section-box { background: var(--bg-raised); border: 1px solid var(--line); padding: 18px; border-radius: var(--radius-m); box-shadow: var(--shadow-card); margin-bottom: 20px; }

/* ---------- login ---------- */
#login-screen { text-align: center; padding: 36px 22px; }
#login-screen h2 { display: flex; align-items: center; justify-content: center; gap: 8px; }
#login-screen p.hint { color: var(--ink-faint); font-size: 0.85rem; margin-bottom: 20px; }
.login-input { width: 100%; padding: 13px; margin: 8px 0; font-size: 1rem; border: 1px solid var(--line); border-radius: var(--radius-s); text-align: center; background: var(--bg-sunken); color: var(--ink); font-family: var(--sans); }
.login-input:focus { outline: none; border-color: var(--accent-2); background: var(--bg-raised); }
.login-btn { width: 100%; padding: 14px; background: var(--accent-2); color: white; border: none; border-radius: var(--radius-s); font-size: 1.02rem; font-weight: 700; cursor: pointer; margin-top: 10px; transition: 0.15s; }
.login-btn:hover { opacity: 0.88; }
.guest-btn { width: 100%; padding: 12px; background: transparent; color: var(--ink-soft); border: 1px solid var(--line); border-radius: var(--radius-s); font-size: 0.92rem; margin-top: 12px; cursor: pointer; font-weight: 700; }
.guest-btn:hover { border-color: var(--ink-faint); color: var(--ink); }

.app-head { text-align: center; }
.logout-btn { margin-bottom: 15px; padding: 6px 14px; background: transparent; color: var(--semantic-best); border: 1px solid var(--line); border-radius: 999px; cursor: pointer; font-size: 12px; font-weight: 700; }
.logout-btn:hover { background: var(--semantic-best-soft); border-color: var(--semantic-best); }

/* ---------- forms ---------- */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 700; font-size: 0.82rem; color: var(--ink-soft); }
.form-group input, .form-group select { width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: var(--radius-s); box-sizing: border-box; font-size: 1rem; background: var(--bg-sunken); color: var(--ink); font-family: var(--sans); }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent-2); background: var(--bg-raised); }

.search-box { display: flex; gap: 10px; margin-bottom: 15px; }
.search-input { flex: 1; padding: 12px; font-size: 1rem; border: 1px solid var(--line); border-radius: var(--radius-s); outline: none; background: var(--bg-sunken); color: var(--ink); font-family: var(--sans); }
.search-input:focus { border-color: var(--accent-2); background: var(--bg-raised); }
.search-btn { padding: 0 20px; background: var(--accent-2); color: white; border: none; border-radius: var(--radius-s); cursor: pointer; font-size: 0.95rem; font-weight: 700; }
.search-btn:hover { opacity: 0.88; }

/* ---------- buttons ---------- */
.btn-block { width: 100%; padding: 14px; border: none; border-radius: var(--radius-s); font-size: 1rem; font-weight: 700; cursor: pointer; transition: 0.15s; }
.btn-block-primary { background: var(--accent-2); color: white; }
.btn-block-success { background: var(--semantic-open); color: white; }
.btn-block:hover { opacity: 0.9; }
.btn-block:disabled { background: var(--bg-sunken); color: var(--ink-faint); cursor: default; }
.btn-small { padding: 7px 14px; border: 1px solid var(--line); background: var(--bg-raised); color: var(--ink); border-radius: var(--radius-s); font-size: 0.8rem; font-weight: 700; cursor: pointer; }
.btn-small:hover { border-color: var(--accent-2); color: var(--accent-2); }
.btn-small-primary { background: var(--accent-2); color: white; border-color: var(--accent-2); }
.btn-small-primary:hover { opacity: 0.88; color: white; }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 6px; overflow-x: auto; margin-bottom: 18px; padding-bottom: 2px; }
.tab-btn { flex: 0 0 auto; padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-raised); color: var(--ink-soft); font-weight: 700; font-size: 0.86rem; cursor: pointer; white-space: nowrap; }
.tab-btn.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* ---------- lists / tables ---------- */
.list-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 4px; border-bottom: 1px solid var(--line); }
.list-row:last-child { border-bottom: none; }
.list-row-main { display: flex; flex-direction: column; gap: 3px; }
.list-row-title { font-weight: 700; font-size: 0.94rem; }
.list-row-sub { font-size: 0.78rem; color: var(--ink-faint); font-family: var(--mono); }
.list-row-actions { display: flex; gap: 6px; flex-shrink: 0; }
.empty-state { text-align: center; color: var(--ink-faint); padding: 24px 10px; font-size: 0.88rem; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
table.data-table th, table.data-table td { padding: 9px 8px; text-align: left; border-bottom: 1px solid var(--line); }
table.data-table th { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-faint); font-weight: 700; }
table.data-table tbody tr:last-child td { border-bottom: none; }
table.data-table tbody tr:hover { background: var(--bg-sunken); }
.rank-cell { font-weight: 800; font-family: var(--mono); color: var(--accent-2); width: 30px; }
.time-cell { font-family: var(--mono); font-weight: 700; }
.gap-cell { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-faint); }

.scroll-x { overflow-x: auto; }