/* ═══════════════════════════════════════════════════
   無人機足球賽事統計系統 — 共用樣式
   ═══════════════════════════════════════════════════ */
:root {
  --bg-dark:    #0a0e1a;
  --bg-card:    #111827;
  --bg-panel:   #1a2235;
  --neon-green: #00ff88;
  --tech-blue:  #00d4ff;
  --orange:     #ff6b35;
  --purple:     #7c3aed;
  --text-primary:   #f0f4ff;
  --text-secondary: #8899bb;
  --border:     #1e3a5f;
  --danger:     #ff3366;
}

* { margin:0; padding:0; box-sizing:border-box; }

body {
  font-family:'Segoe UI', system-ui, sans-serif;
  background:var(--bg-dark);
  color:var(--text-primary);
  min-height:100vh;
  padding-top:var(--nav-h); /* 為固定頂部導覽列預留高度 */
}

/* ── TOPNAV ── */
:root { --nav-h: 56px; }

.topnav {
  background:var(--bg-card);
  border-bottom:1px solid var(--border);
  padding:0 24px;
  display:flex; align-items:center;
  position:fixed; top:0; left:0; right:0; width:100%;
  height:var(--nav-h);
  z-index:200;
  box-shadow:0 2px 20px rgba(0,0,0,.4);
  gap:4px;
}
.topnav-brand {
  display:flex; align-items:center; gap:10px;
  text-decoration:none; color:var(--text-primary);
  padding:14px 0; margin-right:20px; white-space:nowrap;
}
.topnav-brand .brand-icon { font-size:22px; }
.topnav-brand .brand-name {
  font-size:14px; font-weight:800;
  background:linear-gradient(90deg, var(--tech-blue), var(--neon-green));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
.nav-tabs { display:flex; gap:2px; flex:1; }
.nav-tab {
  padding:16px 16px; cursor:pointer;
  font-size:13px; font-weight:600; color:var(--text-secondary);
  border-bottom:3px solid transparent; transition:all .2s;
  white-space:nowrap; text-decoration:none; display:block;
}
.nav-tab:hover { color:var(--text-primary); }
.nav-tab.active { color:var(--tech-blue); border-bottom-color:var(--tech-blue); }
.nav-tab.admin { }
.nav-tab.admin.active { color:var(--orange); border-bottom-color:var(--orange); }
.nav-divider { width:1px; height:32px; background:var(--border); margin:0 8px; align-self:center; flex-shrink:0; }
.nav-right { display:flex; align-items:center; gap:10px; margin-left:auto; padding-left:16px; }
.badge-admin { background:var(--orange); color:#fff; font-size:10px; font-weight:700; padding:3px 8px; border-radius:20px; letter-spacing:1px; }
.btn-nav {
  padding:7px 14px; border-radius:6px; font-size:12px; font-weight:600;
  cursor:pointer; border:1px solid; transition:all .2s; text-decoration:none;
  display:inline-flex; align-items:center; gap:5px;
}
.btn-nav-admin { border-color:var(--orange); color:var(--orange); background:transparent; }
.btn-nav-admin:hover { background:rgba(255,107,53,.1); }
.btn-nav-logout { border-color:var(--border); color:var(--text-secondary); background:transparent; }
.btn-nav-logout:hover { border-color:var(--danger); color:var(--danger); }
.btn-nav-front { border-color:var(--tech-blue); color:var(--tech-blue); background:transparent; }
.btn-nav-front:hover { background:rgba(0,212,255,.1); }

/* ── LAYOUT ── */
.content { max-width:1400px; margin:0 auto; padding:28px 32px; }

/* ── SECTION TITLE ── */
.section-title {
  font-size:22px; font-weight:800; margin-bottom:24px;
  display:flex; align-items:center; gap:12px;
}
.section-title .accent { color:var(--tech-blue); font-size:14px; font-weight:700; opacity:.7; }
.section-title .line { flex:1; height:1px; background:var(--border); }

/* ── CARDS ── */
.card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:12px; padding:24px; margin-bottom:20px;
}
.card-header {
  display:flex; align-items:center; gap:10px;
  margin-bottom:20px; padding-bottom:16px; border-bottom:1px solid var(--border);
}
.card-header h3 { font-size:16px; font-weight:700; }
.card-header .icon { font-size:20px; }
.card-header .card-meta { margin-left:auto; font-size:12px; color:var(--text-secondary); }

/* ── BUTTONS ── */
.btn {
  padding:9px 20px; border:none; border-radius:7px;
  font-size:13px; font-weight:600; cursor:pointer; transition:all .2s;
  display:inline-flex; align-items:center; gap:6px; text-decoration:none;
}
.btn-primary   { background:var(--tech-blue); color:#000; }
.btn-primary:hover { background:#00b8e0; }
.btn-success   { background:var(--neon-green); color:#000; }
.btn-success:hover { background:#00d970; }
.btn-warning   { background:var(--orange); color:#fff; }
.btn-warning:hover { background:#e05a25; }
.btn-danger    { background:var(--danger); color:#fff; }
.btn-danger:hover { background:#d0002e; }
.btn-outline {
  background:transparent; border:1px solid var(--border); color:var(--text-secondary);
}
.btn-outline:hover { border-color:var(--tech-blue); color:var(--tech-blue); }
.btn-sm { padding:6px 14px; font-size:12px; }
.btn-lg { padding:13px 28px; font-size:15px; }

/* ── FORMS ── */
.form-row { display:flex; gap:16px; flex-wrap:wrap; margin-bottom:16px; }
.form-field { flex:1; min-width:160px; }
.form-field label { display:block; font-size:12px; color:var(--text-secondary); margin-bottom:6px; letter-spacing:.5px; }
.form-field input, .form-field select, .form-field textarea {
  width:100%; padding:9px 12px;
  background:var(--bg-panel); border:1px solid var(--border);
  border-radius:6px; color:var(--text-primary); font-size:14px;
  transition:border-color .2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline:none; border-color:var(--tech-blue);
  box-shadow:0 0 0 3px rgba(0,212,255,.08);
}

/* ── TABLES ── */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; font-size:14px; }
thead th {
  background:var(--bg-panel); color:var(--text-secondary);
  font-size:11px; font-weight:700; text-transform:uppercase;
  letter-spacing:1px; padding:10px 14px; text-align:left;
  border-bottom:1px solid var(--border);
}
tbody tr { border-bottom:1px solid rgba(30,58,95,.5); transition:background .15s; }
tbody tr:hover { background:rgba(0,212,255,.04); }
tbody td { padding:11px 14px; }

/* ── STATUS BADGES ── */
.badge {
  display:inline-block; padding:3px 10px; border-radius:20px;
  font-size:11px; font-weight:700;
}
.badge-pending    { background:rgba(136,153,187,.2); color:var(--text-secondary); }
.badge-preparing  { background:rgba(255,200,0,.18); color:#f0c040; animation:pulse 2s infinite; }
.badge-playing    { background:rgba(0,212,255,.2); color:var(--tech-blue); animation:pulse 1.5s infinite; }
.badge-done       { background:rgba(0,255,136,.15); color:var(--neon-green); }
.badge-admin   { background:rgba(255,107,53,.15); color:var(--orange); }

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.6} }

/* ── TABS ── */
.tab-group { display:flex; gap:6px; margin-bottom:20px; flex-wrap:wrap; }
.tab-btn {
  padding:8px 18px; border-radius:6px; cursor:pointer; font-size:13px;
  font-weight:600; border:1px solid var(--border);
  background:transparent; color:var(--text-secondary); transition:all .2s;
  text-decoration:none;
}
.tab-btn:hover { border-color:var(--tech-blue); color:var(--tech-blue); }
.tab-btn.active { background:var(--tech-blue); border-color:var(--tech-blue); color:#000; }

/* ── MATCH CARD ── */
.match-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:10px; padding:14px 20px; margin-bottom:10px;
  display:flex; align-items:center; gap:14px; transition:border-color .2s;
}
.match-card:hover { border-color:rgba(0,212,255,.3); }
.match-num { font-size:11px; color:var(--text-secondary); min-width:44px; }
.match-teams { flex:1; display:flex; align-items:center; gap:10px; font-size:15px; font-weight:600; }
.match-vs { color:var(--text-secondary); font-size:12px; flex-shrink:0; }
.match-score { font-size:18px; font-weight:800; color:var(--tech-blue); min-width:56px; text-align:center; }
.match-actions { display:flex; gap:6px; flex-shrink:0; }
.stage-badge { font-size:10px; font-weight:700; padding:2px 8px; border-radius:10px; background:rgba(124,58,237,.2); color:#a78bfa; }

/* ── BRACKET ── */
.bracket { display:flex; gap:0; align-items:stretch; min-width:860px; }
.bracket-round { display:flex; flex-direction:column; justify-content:space-around; min-width:200px; padding:0 12px; }
.bracket-round-title {
  text-align:center; font-size:11px; font-weight:800;
  color:var(--text-secondary); text-transform:uppercase;
  letter-spacing:2px; margin-bottom:12px;
  padding-bottom:8px; border-bottom:1px solid var(--border);
}
.bracket-match { border:1px solid var(--border); border-radius:8px; overflow:hidden; margin:8px 0; background:var(--bg-card); }
.bracket-team {
  padding:10px 14px; display:flex; justify-content:space-between; align-items:center;
  font-size:13px; border-bottom:1px solid var(--border); transition:background .2s;
}
.bracket-team:last-child { border-bottom:none; }
.bracket-team.winner { background:rgba(0,255,136,.1); color:var(--neon-green); font-weight:700; }
.bracket-team.tbd { color:var(--text-secondary); font-style:italic; }
.bracket-score { font-size:14px; font-weight:800; }

/* ── SCORE MODAL ── */
.modal-overlay {
  display:none; position:fixed; inset:0;
  background:rgba(0,0,0,.75); backdrop-filter:blur(4px);
  z-index:1000; align-items:center; justify-content:center;
}
.modal-overlay.open { display:flex; }
.modal-box {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:16px; padding:32px; width:480px; max-width:95vw;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.modal-box h3 { font-size:18px; margin-bottom:6px; }
.modal-meta { font-size:13px; color:var(--text-secondary); margin-bottom:20px; }
.modal-actions { display:flex; gap:12px; justify-content:flex-end; margin-top:20px; }
.set-row { display:grid; grid-template-columns:1fr 48px 1fr; gap:10px; align-items:center; margin-bottom:12px; }
.set-row .vs { text-align:center; font-size:12px; color:var(--text-secondary); font-weight:700; }
.set-row input {
  padding:10px; text-align:center; font-size:20px; font-weight:700;
  background:var(--bg-panel); border:1px solid var(--border);
  border-radius:6px; color:var(--text-primary); width:100%;
}
.set-row input:focus { outline:none; border-color:var(--tech-blue); }
.set-label { font-size:11px; color:var(--text-secondary); margin-bottom:4px; }
.winner-display { text-align:center; padding:10px; font-size:14px; font-weight:700; min-height:40px; }

/* ── CATEGORY BLOCKS (admin) ── */
.category-block { border:1px solid var(--border); border-radius:10px; margin-bottom:14px; overflow:hidden; }
.category-block-header { background:var(--bg-panel); padding:14px 20px; display:flex; align-items:center; gap:12px; }
.category-block-header h4 { font-size:14px; font-weight:700; flex:1; }
.cat-index { width:28px; height:28px; border-radius:50%; background:rgba(0,212,255,.15); display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:800; color:var(--tech-blue); flex-shrink:0; }
.category-block-body { padding:20px; }
.subgroup-inputs { display:flex; gap:12px; flex-wrap:wrap; margin-top:12px; }
.subgroup-input-item { display:flex; flex-direction:column; gap:4px; }
.subgroup-input-item label { font-size:11px; color:var(--text-secondary); }
.subgroup-input-item input { width:72px; padding:7px; text-align:center; background:var(--bg-dark); border:1px solid var(--border); border-radius:5px; color:var(--text-primary); font-size:13px; }
.total-teams-tag { display:inline-flex; align-items:center; gap:6px; background:rgba(0,212,255,.1); border:1px solid var(--tech-blue); border-radius:6px; padding:5px 12px; font-size:12px; font-weight:700; color:var(--tech-blue); margin-top:10px; }

/* ── TEAM NAMING ── */
.team-naming-subgroup { margin-bottom:14px; border:1px solid var(--border); border-radius:8px; overflow:hidden; }
.subgroup-header { background:var(--bg-panel); padding:10px 16px; font-size:12px; font-weight:700; color:var(--text-secondary); text-transform:uppercase; letter-spacing:1px; display:flex; align-items:center; gap:8px; }
.subgroup-letter { width:24px; height:24px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:800; background:rgba(0,255,136,.15); color:var(--neon-green); }
.team-name-inputs { padding:12px 16px; display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:10px; }
.team-name-item { display:flex; align-items:center; gap:8px; }
.team-num { font-size:11px; color:var(--text-secondary); min-width:20px; }
.team-name-item input { flex:1; padding:7px 10px; background:var(--bg-dark); border:1px solid var(--border); border-radius:5px; color:var(--text-primary); font-size:13px; }
.team-name-item input:focus { outline:none; border-color:var(--neon-green); }

/* ── STANDINGS ── */
.rank-1 { color:#ffd700; }
.rank-2 { color:#c0c0c0; }
.rank-3 { color:#cd7f32; }
.pts { font-weight:700; color:var(--neon-green); }

/* ── API OUTPUT ── */
.api-output {
  background:var(--bg-dark); border:1px solid var(--border); border-radius:8px;
  padding:16px; font-family:monospace; font-size:12px;
  color:var(--neon-green); overflow:auto; max-height:320px;
  white-space:pre;
}

/* ── STATS GRID ── */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:16px; margin-bottom:24px; }
.stat-card { background:var(--bg-card); border:1px solid var(--border); border-radius:10px; padding:20px; text-align:center; }
.stat-num { font-size:36px; font-weight:800; color:var(--tech-blue); }
.stat-label { font-size:12px; color:var(--text-secondary); margin-top:4px; }

/* ── ACTION BAR ── */
.action-bar { display:flex; gap:10px; margin-bottom:20px; flex-wrap:wrap; align-items:center; }
.filter-bar { display:flex; gap:10px; margin-bottom:18px; flex-wrap:wrap; align-items:center; }
.filter-bar label { font-size:12px; color:var(--text-secondary); }
.filter-bar select { padding:7px 12px; background:var(--bg-panel); border:1px solid var(--border); border-radius:6px; color:var(--text-primary); font-size:13px; }

/* ── EMPTY STATE ── */
.empty-state { text-align:center; padding:60px 20px; color:var(--text-secondary); }
.empty-state .icon { font-size:48px; margin-bottom:14px; }
.empty-state p { font-size:15px; }

/* ── TOAST ── */
#toast {
  position:fixed; bottom:24px; right:24px;
  background:var(--bg-card); border:1px solid var(--neon-green);
  border-radius:8px; padding:14px 20px; color:var(--neon-green);
  font-size:14px; font-weight:600; z-index:9999;
  transform:translateY(100px); opacity:0; transition:all .3s;
  box-shadow:0 4px 20px rgba(0,255,136,.2); pointer-events:none;
}
#toast.show { transform:translateY(0); opacity:1; }
#toast.error { border-color:var(--danger); color:var(--danger); box-shadow:0 4px 20px rgba(255,51,102,.2); }

/* ── LOGIN PAGE ── */
.login-page {
  min-height:100vh; display:flex; align-items:center; justify-content:center;
  background:radial-gradient(ellipse at 30% 50%, #0d1f3c 0%, var(--bg-dark) 70%);
}
.login-box {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:16px; padding:48px 40px; width:390px; max-width:95vw;
  box-shadow:0 0 60px rgba(0,212,255,.1);
}
.login-logo { text-align:center; margin-bottom:32px; }
.login-logo .drone-icon { font-size:48px; margin-bottom:10px; }
.login-logo h1 { font-size:18px; color:var(--tech-blue); letter-spacing:1px; }
.login-logo p { font-size:12px; color:var(--text-secondary); margin-top:4px; }
.login-group { margin-bottom:18px; }
.login-group label { display:block; font-size:12px; color:var(--text-secondary); margin-bottom:7px; text-transform:uppercase; letter-spacing:1px; }
.login-group input {
  width:100%; padding:12px 16px; background:var(--bg-panel);
  border:1px solid var(--border); border-radius:8px;
  color:var(--text-primary); font-size:15px; transition:border-color .2s;
}
.login-group input:focus { outline:none; border-color:var(--tech-blue); box-shadow:0 0 0 3px rgba(0,212,255,.1); }
.btn-login-submit {
  width:100%; padding:13px; background:linear-gradient(135deg,var(--tech-blue),var(--neon-green));
  border:none; border-radius:8px; color:#000; font-size:15px; font-weight:700;
  cursor:pointer; letter-spacing:1px; transition:opacity .2s,transform .1s;
}
.btn-login-submit:hover { opacity:.9; }
.btn-login-submit:active { transform:scale(.98); }
.login-error { color:var(--danger); font-size:13px; margin-top:12px; text-align:center; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:var(--bg-dark); }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--tech-blue); }