:root{
  --bg:#ffffff; --surface:#f6f5f2; --border:#d8d6cf; --border-strong:#a9a79d;
  --text:#1f1e1c; --text-secondary:#5f5e5a; --text-muted:#8b897f;
  --accent-bg:#e6f1fb; --accent-border:#85b7eb; --accent-text:#0c447c;
  --gold-bg:#fbf1d9; --gold-border:#e0b94e; --gold-text:#8a6410;
  --hero-from:#0c2c46; --hero-to:#1a4b73; --hero-text:#f3f6fa; --hero-sub:#c3d6e8;
  --shadow:0 1px 2px rgba(20,20,15,.06), 0 1px 1px rgba(20,20,15,.04);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#17171a; --surface:#1f1f22; --border:#33333a; --border-strong:#55555f;
    --text:#eceae2; --text-secondary:#b7b5aa; --text-muted:#87857c;
    --accent-bg:#0c2c46; --accent-border:#378add; --accent-text:#b5d4f4;
    --gold-bg:#3a2f10; --gold-border:#a1801f; --gold-text:#e9c869;
    --hero-from:#0a1c2c; --hero-to:#12314a; --hero-text:#f3f6fa; --hero-sub:#9fb6cb;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 1px 1px rgba(0,0,0,.3);
  }
}
:root[data-theme="light"]{
  --bg:#ffffff; --surface:#f6f5f2; --border:#d8d6cf; --border-strong:#a9a79d;
  --text:#1f1e1c; --text-secondary:#5f5e5a; --text-muted:#8b897f;
  --accent-bg:#e6f1fb; --accent-border:#85b7eb; --accent-text:#0c447c;
  --gold-bg:#fbf1d9; --gold-border:#e0b94e; --gold-text:#8a6410;
  --hero-from:#0c2c46; --hero-to:#1a4b73; --hero-text:#f3f6fa; --hero-sub:#c3d6e8;
  --shadow:0 1px 2px rgba(20,20,15,.06), 0 1px 1px rgba(20,20,15,.04);
}
:root[data-theme="dark"]{
  --bg:#17171a; --surface:#1f1f22; --border:#33333a; --border-strong:#55555f;
  --text:#eceae2; --text-secondary:#b7b5aa; --text-muted:#87857c;
  --accent-bg:#0c2c46; --accent-border:#378add; --accent-text:#b5d4f4;
  --gold-bg:#3a2f10; --gold-border:#a1801f; --gold-text:#e9c869;
  --hero-from:#0a1c2c; --hero-to:#12314a; --hero-text:#f3f6fa; --hero-sub:#9fb6cb;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 1px 1px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;margin:0;padding:0 0 80px}

.hero{background:linear-gradient(135deg,var(--hero-from),var(--hero-to));color:var(--hero-text);padding:48px 24px 32px}
.hero-inner{max-width:1180px;margin:0 auto}
.hero h1{font-size:clamp(22px,4vw,32px);font-weight:600;margin:0 0 8px;letter-spacing:-.01em}
.hero .sub{color:var(--hero-sub);font-size:14px;line-height:1.6;margin:0 0 20px;max-width:760px}
.stat-row{display:flex;flex-wrap:wrap;gap:10px}
.stat-badge{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 14px;font-size:12px;color:var(--hero-text);display:flex;gap:6px;align-items:baseline}
.stat-badge b{font-size:14px;font-weight:700}

nav.tabs{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:4px;padding:10px 24px;overflow-x:auto}
nav.tabs a{color:var(--text-secondary);text-decoration:none;font-size:13px;padding:6px 12px;border-radius:999px;white-space:nowrap}
nav.tabs a:hover{background:var(--surface);color:var(--text)}
nav.tabs a.active{background:var(--accent-bg);color:var(--accent-text);font-weight:600}
nav.tabs .spacer{flex:1}
#themeToggle{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:999px;padding:6px 12px;font-size:13px;cursor:pointer;white-space:nowrap}
#themeToggle:hover{border-color:var(--border-strong)}

.realism-control{display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:6px 14px;white-space:nowrap}
.realism-control label{font-size:12px;color:var(--text-secondary);font-weight:600}
.realism-control input[type="range"]{width:110px;accent-color:var(--accent-text);cursor:pointer}
.realism-control .realism-value{font-size:12px;color:var(--text);font-weight:700;min-width:32px;text-align:right}
@media (max-width:720px){.realism-control input[type="range"]{width:70px}}

main{max-width:1180px;margin:0 auto;padding:0 24px}
h2{font-size:16px;font-weight:600;margin:44px 0 4px;display:flex;align-items:center;gap:8px}
.section-note{color:var(--text-muted);font-size:13px;margin:0 0 16px}

.phase-label{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text);background:var(--accent-bg);border:1px solid var(--accent-border);display:inline-block;padding:3px 10px;border-radius:999px;margin:0 0 8px}

.groups-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}
.group-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px 16px 8px;box-shadow:var(--shadow);border-top:3px solid var(--border-strong);transition:transform .15s ease, box-shadow .15s ease}
.group-card:hover{transform:translateY(-2px);box-shadow:0 4px 14px rgba(20,20,15,.08)}
.group-card.tierA{border-top-color:var(--accent-border)}
.group-card.tierB{border-top-color:var(--gold-border)}
.group-card-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0 0 8px}
.group-card-header h3{margin:0;font-size:12px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}
.group-card>h3{margin:0 0 6px;font-size:12px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}

.sim-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 18px}
.btn-sim{border:1px solid var(--accent-border);background:var(--accent-bg);color:var(--accent-text);border-radius:8px;padding:5px 12px;font-size:12px;font-weight:600;cursor:pointer}
.btn-sim:hover{border-color:var(--accent-text)}
.btn-sim-all{border:1px solid var(--gold-border);background:var(--gold-bg);color:var(--gold-text);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:700;cursor:pointer}
.btn-sim-all:hover{filter:brightness(1.08)}
.btn-sim-all:disabled,.btn-sim-match:disabled,.btn-sim:disabled{opacity:.45;cursor:not-allowed;filter:none}
.btn-reset{border:1px solid var(--border);background:none;color:var(--text-muted);border-radius:999px;padding:8px 14px;font-size:12px;cursor:pointer}
.btn-reset:hover{color:var(--text);border-color:var(--border-strong)}
.btn-sim-match{border:1px solid var(--accent-border);background:var(--accent-bg);color:var(--accent-text);border-radius:6px;padding:3px 10px;font-size:11px;font-weight:600;cursor:pointer;flex:0 0 auto}
.btn-sim-match:hover{border-color:var(--accent-text)}
.btn-resim{border:none;background:none;color:var(--text-muted);cursor:pointer;font-size:12px;padding:2px 6px;flex:0 0 auto;border-radius:6px}
.btn-resim:hover{background:var(--border);color:var(--text)}

table.standings{width:100%;border-collapse:collapse;font-size:12px}
table.standings th{text-align:left;color:var(--text-muted);font-weight:600;font-size:10px;text-transform:uppercase;letter-spacing:.04em;padding:3px 4px;border-bottom:1px solid var(--border)}
table.standings th.num,table.standings td.num{text-align:center}
table.standings td{padding:5px 4px;border-bottom:1px solid var(--border)}
table.standings tbody tr:last-child td{border-bottom:none}
table.standings tr.win td{font-weight:600}
table.standings tr.win:not(.out) td{background:var(--accent-bg)}
table.standings tr.out td{color:var(--text-muted)}
table.standings tr.out .team-name{text-decoration:line-through}
table.standings tr.champion td{background:var(--gold-bg);color:var(--gold-text);font-weight:800}
.team-cell{display:flex;align-items:center;gap:6px;cursor:default}
.rank-badge{flex:0 0 16px;width:16px;height:16px;border-radius:50%;background:var(--border);color:var(--text-secondary);font-size:9px;font-weight:700;display:flex;align-items:center;justify-content:center}
tr.win .rank-badge{background:var(--accent-border);color:#0a2740}
.flag{font-size:14px;line-height:1}
.team-name{min-width:0}
[data-team].path-highlight{outline:2px solid var(--gold-border);outline-offset:-2px;border-radius:4px}

details.schedule{margin-top:10px;border-top:1px dashed var(--border);padding-top:8px}
details.schedule summary{cursor:pointer;font-size:12px;font-weight:600;color:var(--text-secondary);list-style:none;display:flex;align-items:center;gap:6px;user-select:none}
details.schedule summary::-webkit-details-marker{display:none}
details.schedule summary::before{content:'▸';font-size:10px;color:var(--text-muted);transition:transform .15s ease}
details.schedule[open] summary::before{transform:rotate(90deg)}
.fx-day{margin-top:8px}
.fx-day-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:4px}
.fx-match{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;padding:4px 6px;border-radius:6px}
.fx-match:hover{background:var(--surface)}
.fx-team{display:flex;align-items:center;gap:6px;flex:1;min-width:0}
.fx-team.right{flex-direction:row-reverse;text-align:right}
.fx-team .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fx-score{flex:0 0 auto;font-weight:700;padding:0 10px;color:var(--text-secondary)}
.fx-team.winner .nm{font-weight:700;color:var(--text)}

.swipe-hint{display:none;color:var(--text-muted);font-size:12px;margin:0 0 10px}
#bracket-wrap{overflow-x:auto;padding:8px 0 24px;position:relative}
#bracket{position:relative}
.round{flex:1;display:flex;flex-direction:column;justify-content:space-around}
.round-base{flex:0 0 auto;display:flex;flex-direction:column;gap:12px}
.col{flex:0 0 auto;width:165px;display:flex;flex-direction:column;overflow:hidden;transition:width .2s ease}
.col-final{width:200px}
.col.collapsed{width:34px}
.col.collapsed .round,.col.collapsed .round-base{display:none}
.col.collapsed .col-title{writing-mode:vertical-rl;transform:rotate(180deg);white-space:nowrap;margin:0 auto;opacity:1}
.col-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);margin-bottom:8px;transition:opacity .15s ease}
.match{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:8px 10px;position:relative;z-index:1;box-shadow:var(--shadow)}
.seed-slot{font-size:12.5px;font-weight:600;padding:4px 0;color:var(--text)}
.seed-slot.tbd{color:var(--text-muted);font-style:italic;font-weight:500}
.seed-slot.resolved{display:flex;align-items:center;gap:6px}
.seed-slot.resolved .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}
.seed-slot.resolved .sd{font-size:10px;color:var(--text-muted);font-weight:500;flex:0 0 auto}
.seed-slot.resolved.winner{font-weight:700}
.seed-slot.resolved.loser{opacity:.55}
.seed-slot.resolved.loser .nm{text-decoration:line-through}
.ko-score{flex:0 0 auto;font-weight:700;font-size:12.5px;color:var(--text-secondary);min-width:14px;text-align:center}
.seed-slot.resolved.winner .ko-score{color:var(--text)}
.ko-pens-note{font-size:10.5px;color:var(--text-muted);font-style:italic;margin-top:4px;text-align:center}
.match-action{margin-top:6px;padding-top:6px;border-top:1px dashed var(--border);display:flex;justify-content:center}
.match .btn-sim-match{width:100%;text-align:center}
.sim-status{color:var(--text-muted);font-size:12px}

.champion-tile{display:none;align-items:center;gap:20px;background:linear-gradient(135deg,var(--gold-bg),var(--surface));border:1px solid var(--gold-border);border-radius:16px;padding:20px 28px;margin:0 0 32px;box-shadow:var(--shadow)}
.champion-tile.show{display:flex}
.champion-tile-trophy{font-size:44px;line-height:1}
.champion-tile-info{display:flex;flex-direction:column;gap:2px}
.champion-tile-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--gold-text)}
.champion-tile-team{display:flex;align-items:center;gap:10px}
.champion-tile-flag{font-size:32px;line-height:1}
.champion-tile-name{font-size:26px;font-weight:800;color:var(--text)}
.champion-tile-sub{font-size:13px;color:var(--text-muted);margin-top:2px}
.champion{background:var(--gold-bg);border-color:var(--gold-border)}
.champion .seed-slot{color:var(--gold-text)}
.match.path-highlight{border-color:var(--gold-border);box-shadow:0 0 0 2px var(--gold-border) inset}

footer{color:var(--text-muted);font-size:12px;margin-top:48px;padding-top:16px;border-top:1px solid var(--border)}

@media (max-width:640px){
  .hero{padding:14px 16px}
  .hero h1{font-size:18px;margin-bottom:4px}
  .hero .sub{margin-bottom:0;font-size:12.5px;line-height:1.45}
  .stat-row{display:none}
  nav.tabs{padding:8px 16px}
  main{padding:0 16px}
  h2{margin:28px 0 4px}
  .groups-grid{grid-template-columns:1fr}
  .swipe-hint{display:block}
  footer{margin-top:28px;padding-top:12px}
}