:root {
  --bg:#0b0c1e; --surface:#14152e; --card:#1c1e3d; --border:#2e3060;
  --gold:#f0b429; --green:#22c55e; --red:#ef4444; --blue:#3b82f6;
  --text:#e2e8f0; --muted:#64748b; --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,sans-serif;min-height:100vh}

.header{background:linear-gradient(135deg,#1a1c40,#0b0c1e);border-bottom:2px solid var(--gold);padding:1rem 1.5rem;display:flex;align-items:center;gap:1rem}
.header h1{font-size:1.4rem;color:var(--gold);font-weight:700}
.header .trophy{font-size:1.8rem}
nav{display:flex;gap:0.5rem;margin-left:auto}
nav a{color:var(--text);text-decoration:none;padding:0.4rem 0.8rem;border-radius:8px;font-size:0.85rem;transition:background 0.2s}
nav a:hover,nav a.active{background:var(--card);color:var(--gold)}

.container{max-width:900px;margin:0 auto;padding:1.5rem}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}
.card-title{font-size:0.75rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:0.75rem}

.badge{display:inline-block;padding:0.2rem 0.6rem;border-radius:999px;font-size:0.72rem;font-weight:600}
.badge-gold{background:rgba(240,180,41,.15);color:var(--gold);border:1px solid rgba(240,180,41,.3)}
.badge-green{background:rgba(34,197,94,.15);color:var(--green);border:1px solid rgba(34,197,94,.3)}
.badge-red{background:rgba(239,68,68,.15);color:var(--red);border:1px solid rgba(239,68,68,.3)}
.badge-blue{background:rgba(59,130,246,.15);color:var(--blue);border:1px solid rgba(59,130,246,.3)}

.match-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin-bottom:0.75rem;transition:border-color 0.2s}
.match-card.claimed{border-color:rgba(34,197,94,.4)}
.match-card.my-pick{border-color:var(--gold)}

.match-teams{display:flex;align-items:center;gap:0.75rem;justify-content:space-between}
.team{display:flex;flex-direction:column;align-items:center;gap:0.4rem;flex:1;cursor:pointer;transition:opacity 0.2s}
.team:hover{opacity:0.8}
.team img{width:36px;height:24px;object-fit:cover;border-radius:3px}
.team-name{font-size:0.85rem;font-weight:600;text-align:center}
.vs{color:var(--muted);font-size:0.9rem;font-weight:700;padding:0 0.5rem}

.match-meta{display:flex;justify-content:space-between;align-items:center;margin-top:0.75rem;font-size:0.78rem;color:var(--muted)}

.pick-btn{border:none;padding:0.35rem 0.9rem;border-radius:8px;font-size:0.8rem;font-weight:600;cursor:pointer;background:var(--gold);color:#0b0c1e;transition:opacity 0.2s,transform 0.1s}
.pick-btn:hover{opacity:0.85;transform:scale(1.02)}
.pick-btn:disabled{background:var(--border);color:var(--muted);cursor:not-allowed;transform:none}

.league-table{width:100%;border-collapse:collapse}
.league-table th{font-size:0.72rem;color:var(--muted);text-transform:uppercase;padding:0.5rem 0.75rem;text-align:left;border-bottom:1px solid var(--border)}
.league-table td{padding:0.75rem;border-bottom:1px solid rgba(46,48,96,.5)}
.league-table tbody tr:first-child td{color:var(--gold);font-weight:700}

.stats-strip{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem}
.stat-box{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;flex:1;min-width:100px}
.stat-box .value{font-size:1.8rem;font-weight:700;color:var(--gold)}
.stat-box .label{font-size:0.75rem;color:var(--muted);margin-top:0.25rem}

.round-section{margin-bottom:0.5rem}
.round-toggle{display:flex;align-items:center;justify-content:space-between;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;cursor:pointer;user-select:none;transition:border-color 0.2s;-webkit-tap-highlight-color:transparent}
.round-toggle:hover,.round-toggle.open{border-color:var(--gold)}
.round-toggle.open{border-bottom-left-radius:0;border-bottom-right-radius:0}
.round-content{border:1px solid var(--gold);border-top:none;border-bottom-left-radius:var(--radius);border-bottom-right-radius:var(--radius);padding:0.75rem;background:var(--bg)}
.round-name{font-weight:700;font-size:0.95rem}
.round-meta{font-size:0.75rem;color:var(--muted);margin-top:0.2rem}
.round-chevron{color:var(--gold);font-size:1.1rem;flex-shrink:0;margin-left:0.5rem}

.nickname-form{display:flex;flex-direction:column;gap:1rem;max-width:400px;margin:3rem auto;text-align:center}
.nickname-form input{background:var(--card);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:0.75rem 1rem;font-size:1rem;text-align:center}
.nickname-form input:focus{outline:none;border-color:var(--gold)}

.btn-primary{background:linear-gradient(135deg,var(--gold),#d97706);color:#0b0c1e;border:none;border-radius:8px;padding:0.75rem;font-size:1rem;font-weight:700;cursor:pointer}

@media(max-width:600px){
  .header{padding:0.6rem 0.75rem;gap:0.5rem}
  .header h1{font-size:1rem}
  .header .trophy{font-size:1.4rem}
  nav a{font-size:0.72rem;padding:0.3rem 0.45rem}
  .container{padding:0.75rem}
  .card{padding:1rem}
  .match-card{padding:0.75rem}
  .team img{width:30px;height:20px}
  .team-name{font-size:0.72rem}
  .vs{font-size:0.8rem;padding:0 0.25rem}
  .stats-strip{gap:0.5rem}
  .stat-box{padding:0.75rem;min-width:70px}
  .stat-box .value{font-size:1.4rem}
  .pick-btn{padding:0.5rem 0.7rem;font-size:0.82rem}
  .badge{font-size:0.68rem;padding:0.15rem 0.45rem}
  .round-toggle{padding:0.85rem 1rem}
  .round-name{font-size:0.9rem}
}