*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f172a;--surface: #1e293b;--surface2: #273348;--border: #334155;--text: #f1f5f9;--muted: #94a3b8;--accent: #6366f1;--accent-hover: #818cf8;--green: #22c55e;--red: #ef4444;--yellow: #eab308;--radius: 12px;--shadow: 0 4px 24px rgba(0,0,0,.4)}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit;font-size:.875rem;font-weight:500;border:none;border-radius:8px;padding:.5rem 1rem;transition:background .15s,transform .1s}button:active{transform:scale(.97)}input,select{font-family:inherit;font-size:.875rem;background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:.5rem .75rem;outline:none;width:100%;transition:border-color .15s}input:focus,select:focus{border-color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{background:transparent;border:1px solid var(--red);color:var(--red)}.btn-danger:hover{background:var(--red);color:#fff}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:20px;font-size:.75rem;font-weight:600}.tag{display:inline-block;padding:2px 7px;border-radius:4px;font-size:.75rem;font-weight:600}.tag-group{background:#1e3a5f;color:#60a5fa}.tag-r16{background:#1a3a2a;color:#4ade80}.tag-qf{background:#2a2a1a;color:#facc15}.tag-sf{background:#3a2a1a;color:#fb923c}.tag-final{background:#3a1a1a;color:#f87171}.tag-winner{background:#2a3a1a;color:#a3e635}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:2rem auto}@keyframes spin{to{transform:rotate(360deg)}}.error-box{background:#ef44441a;border:1px solid var(--red);border-radius:8px;padding:.75rem 1rem;color:var(--red);font-size:.875rem;margin:1rem 0}