/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0d1117;--bg2:#161b22;--bg3:#21262d;--border:#30363d;--text:#e6edf3;--text2:#8b949e;--accent:#00c853;--accent2:#00e676;--danger:#ff5252;--warn:#ffab40;
  --radius:8px;--radius-sm:4px;--font:system-ui,-apple-system,sans-serif;
  --max-width:1200px;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:var(--font);cursor:pointer}
input{font-family:var(--font)}

/* ===== HEADER ===== */
.site-header{background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{display:flex;align-items:center;gap:10px}
.logo-text{font-size:1.1rem;font-weight:700;color:var(--text)}
.main-nav{display:flex;gap:20px}
.main-nav a{color:var(--text2);font-size:.9rem;font-weight:500;padding:4px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.main-nav a:hover{color:var(--text);border-bottom-color:var(--accent);text-decoration:none}

/* ===== HERO ===== */
.hero{max-width:var(--max-width);margin:0 auto;padding:60px 20px 40px}
.hero-content{text-align:center;max-width:700px;margin:0 auto}
.hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.2;margin-bottom:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1.1rem;color:var(--text2);margin-bottom:32px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:16px}
.hero-note{color:var(--text2);font-size:.8rem}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius);font-size:.95rem;font-weight:600;border:2px solid transparent;transition:all .2s}
.btn-primary{background:var(--accent);color:#000;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent2);text-decoration:none}
.btn-secondary{background:var(--bg3);color:var(--text);border-color:var(--border)}
.btn-secondary:hover{border-color:var(--accent);text-decoration:none}
.btn-danger{background:transparent;color:var(--danger);border-color:var(--danger)}
.btn-danger:hover{background:var(--danger);color:#fff;text-decoration:none}

/* ===== STATUS BAR ===== */
.status-bar{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:12px 20px;position:sticky;top:56px;z-index:90}
.status-inner{max-width:var(--max-width);margin:0 auto;display:flex;gap:24px;flex-wrap:wrap;justify-content:center;font-size:.85rem;color:var(--text2)}
.status-item strong{color:var(--text)}

/* ===== SECTIONS ===== */
section{max-width:var(--max-width);margin:0 auto;padding:40px 20px}
.section-header{margin-bottom:32px}
.section-header h2{font-size:1.6rem;font-weight:700;margin-bottom:8px}
.section-header p{color:var(--text2)}

/* ===== GROUPS GRID ===== */
.groups-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.group-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.group-card-header{background:var(--bg3);padding:12px 16px;font-weight:700;font-size:1rem;border-bottom:1px solid var(--border)}
.group-card-header span{color:var(--accent)}

.group-matches{padding:0}
.match-row{display:grid;grid-template-columns:1fr auto 50px auto 50px auto 1fr;align-items:center;gap:6px;padding:8px 12px;border-bottom:1px solid var(--border);font-size:.85rem}
.match-row:last-child{border-bottom:none}
.match-row:hover{background:rgba(255,255,255,0.02)}
.match-team{text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.match-vs{color:var(--text2);font-size:.75rem;text-align:center}
.match-score{width:100%;text-align:center;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);padding:4px 2px;font-size:.85rem}
.match-score:focus{outline:none;border-color:var(--accent)}
.match-score::placeholder{color:var(--text2);opacity:.5}
.match-score.filled{border-color:var(--accent);background:rgba(0,200,83,0.08)}

.group-standings{padding:12px 16px;border-top:2px solid var(--accent);background:rgba(0,200,83,0.03)}
.group-standings h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text2);margin-bottom:8px}
.standings-table{width:100%;border-collapse:collapse;font-size:.82rem}
.standings-table th{text-align:left;padding:4px 8px;color:var(--text2);font-weight:600;border-bottom:1px solid var(--border)}
.standings-table td{padding:4px 8px;border-bottom:1px solid rgba(48,54,61,0.5)}
.standings-table tr:last-child td{border-bottom:none}
.standings-table .num{text-align:right;font-variant-numeric:tabular-nums}
.qualified{background:rgba(0,200,83,0.12)}

/* ===== BRACKET ===== */
.bracket-wrapper{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:24px;overflow-x:auto}
.bracket-locked{text-align:center;padding:60px 20px;color:var(--text2)}
.bracket-locked svg{margin:0 auto 16px;display:block;opacity:.4}
.bracket-grid{display:flex;gap:0;min-width:900px}
.bracket-round{display:flex;flex-direction:column;justify-content:space-around;flex:1}
.bracket-round-header{text-align:center;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text2);margin-bottom:12px;font-weight:600}
.bracket-match{border:1px solid var(--border);border-radius:var(--radius-sm);margin:6px 4px;background:var(--bg3);overflow:hidden;cursor:pointer;transition:border-color .2s}
.bracket-match:hover{border-color:var(--accent)}
.bracket-team{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;font-size:.82rem;border-bottom:1px solid var(--border)}
.bracket-team:last-child{border-bottom:none}
.bracket-team-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bracket-team-badge{font-size:.65rem;padding:1px 5px;border-radius:3px;margin-left:4px;flex-shrink:0}
.badge-winner{background:var(--accent);color:#000;font-weight:700}
.badge-auto{background:var(--warn);color:#000;font-weight:700}
.badge-manual{background:#448aff;color:#fff;font-weight:700}
.bracket-team.winner{background:rgba(0,200,83,0.1);font-weight:600}
.bracket-connector{display:flex;align-items:center;justify-content:center;width:20px;flex-shrink:0}
.bracket-connector::after{content:'';width:16px;height:1px;background:var(--border)}

/* ===== EXPORT ===== */
.export-section{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.export-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.export-feedback{min-height:24px;font-size:.9rem;color:var(--accent)}

/* ===== GUIDE ===== */
.guide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:40px}
.guide-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.guide-card h3{font-size:1rem;margin-bottom:10px;color:var(--accent)}
.guide-card p{color:var(--text2);font-size:.9rem}
.guide-extra{margin-bottom:40px}
.guide-extra h3{font-size:1.1rem;margin-bottom:12px;margin-top:32px}
.guide-extra h3:first-child{margin-top:0}
.guide-extra p,.guide-extra li{color:var(--text2);font-size:.92rem;margin-bottom:8px}
.guide-extra ul{padding-left:20px;margin-bottom:8px}
.guide-extra li{margin-bottom:6px}
.guide-faq details{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;margin-bottom:8px}
.guide-faq summary{font-weight:600;cursor:pointer;color:var(--text)}
.guide-faq details p{margin-top:10px;color:var(--text2);font-size:.9rem}

/* ===== FOOTER ===== */
.site-footer{background:var(--bg2);border-top:1px solid var(--border);padding:32px 20px}
.footer-inner{max-width:var(--max-width);margin:0 auto;text-align:center}
.footer-links{display:flex;gap:20px;justify-content:center;margin-bottom:16px;flex-wrap:wrap}
.footer-links a{color:var(--text2);font-size:.9rem}
.footer-links a:hover{color:var(--text)}
.footer-copy{color:var(--text2);font-size:.82rem}

/* ===== PRINT ===== */
@media print{
  .site-header,.status-bar,.hero,.export-section,.site-footer,.hero-actions,.bracket-connector{display:none!important}
  body{background:#fff;color:#000}
  section{padding:10px 0}
  .group-card,.bracket-match{border-color:#ccc;break-inside:avoid}
  .group-card-header{background:#eee;color:#000}
  .match-score{border:none;background:none;font-size:.85rem}
  .match-score.filled{border:none;background:none}
  .bracket-wrapper{border:none;padding:0}
  .bracket-team.badge-winner{background:#000;color:#fff}
  #bracket-locked-msg{display:none!important}
  #bracket-grid{display:flex!important}
  .section-guide{page-break-before:always}
}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 16px;gap:10px}
  .main-nav{gap:14px;width:100%;justify-content:center}
  .hero{padding:40px 16px 24px}
  .hero-actions{flex-direction:column;align-items:center}
  .status-inner{gap:12px;font-size:.78rem}
  .groups-grid{grid-template-columns:1fr}
  .match-row{grid-template-columns:1fr auto 40px auto 40px auto 1fr;gap:4px;font-size:.78rem}
  .bracket-grid{min-width:600px}
  .guide-grid{grid-template-columns:1fr}
  .export-actions{flex-direction:column}
  .export-actions .btn{width:100%;justify-content:center}
}
@media(max-width:480px){
  .logo-text{font-size:.95rem}
  .match-row{grid-template-columns:1fr auto 32px auto 32px auto 1fr;gap:2px}
  .match-score{font-size:.75rem;padding:3px 1px}
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--text2)}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}