:root{--bg-0: #07071a;--bg-1: #0f1030;--bg-2: #14163a;--text: #e8ebff;--muted: #9aa0c8;--cyan: #06d6f0;--magenta: #ff4d8d;--glass: rgba(255, 255, 255, .05);--glass-brd: rgba(255, 255, 255, .12);--font-ui: "Inter", system-ui, sans-serif;--font-num: "Space Grotesk", "Inter", sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;width:100%}body{font-family:var(--font-ui);color:var(--text);background:radial-gradient(1200px 800px at 70% -10%,#1a1a3f 0%,var(--bg-0) 60%);-webkit-font-smoothing:antialiased}a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}.glass{background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--glass-brd);border-radius:16px}.page{max-width:1100px;margin:0 auto;padding:24px 20px 60px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.brand{font-family:var(--font-num);font-size:30px;font-weight:700;letter-spacing:-.5px}.brand span{color:var(--cyan)}.topbar nav a{margin-left:18px;color:var(--muted);font-weight:500}.topbar nav a:hover{color:var(--text)}.banner{padding:12px 16px;border-radius:12px;margin:10px 0;font-size:14px}.banner.warn{background:#ffd1661f;border:1px solid rgba(255,209,102,.3)}.banner.error{background:#ff4d8d24;border:1px solid rgba(255,77,141,.4)}.banner.info{background:#06d6f01f;border:1px solid rgba(6,214,240,.3)}.mode-select{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.mode-chip{display:flex;flex-direction:column;gap:4px;padding:14px;border-radius:14px;background:var(--glass);border:1px solid var(--glass-brd);color:var(--text);cursor:pointer;text-align:left;transition:transform .15s,border-color .15s,background .15s}.mode-chip:hover{transform:translateY(-2px)}.mode-chip.active{border-color:var(--cyan);background:#06d6f01f}.mode-chip strong{font-family:var(--font-num);font-size:16px}.mode-chip span{color:var(--muted);font-size:12px}.btn{font-family:var(--font-ui);font-weight:600;font-size:15px;border:none;border-radius:12px;padding:12px 22px;cursor:pointer;transition:transform .12s,filter .12s}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:default;transform:none}.btn-primary{background:linear-gradient(120deg,var(--cyan),var(--magenta));color:#07071a}.btn-ghost{background:var(--glass);color:var(--text);border:1px solid var(--glass-brd)}.btn-start{display:block;width:100%;max-width:360px;margin:8px auto;font-size:18px;padding:16px}.hint{text-align:center;color:var(--muted);font-size:13px}.marble-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}.marble-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px;cursor:pointer;color:var(--text);transition:transform .15s,border-color .15s}.marble-card:hover{transform:translateY(-3px)}.marble-card.selected{border-color:var(--cyan);box-shadow:0 0 0 2px #06d6f066}.marble-card-canvas{width:100%;height:120px}.marble-card-name{font-family:var(--font-num);font-weight:700;font-size:17px}.marble-card-meta{display:flex;gap:10px;color:var(--muted);font-size:12px}.marble-card-winrate{color:var(--muted);font-size:12px}.marble-card.skeleton{height:220px}.skeleton{background:linear-gradient(100deg,#ffffff0a 30%,#ffffff1a,#ffffff0a 70%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:16px}@keyframes shimmer{to{background-position:-200% 0}}.lobby-ranking{margin-top:28px;padding:18px 22px}.lobby-ranking h3{margin:0 0 10px;font-family:var(--font-num)}.lobby-ranking ol{margin:0;padding-left:18px}.lobby-ranking li{padding:4px 0}.pos-dot{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:8px;vertical-align:middle;box-shadow:0 0 8px currentColor}.race{max-width:none;margin:0;padding:0;height:100vh;overflow:hidden;position:relative}.race-canvas{position:absolute;inset:0}.race-back{position:absolute;top:16px;left:16px;z-index:20;background:var(--glass);padding:8px 14px;border-radius:10px;border:1px solid var(--glass-brd);color:var(--text)}.sound-toggle{position:absolute;top:16px;left:110px;z-index:20;background:var(--glass);padding:8px 14px;border-radius:10px;border:1px solid var(--glass-brd);color:var(--text);cursor:pointer;font-family:var(--font-ui);font-size:14px}.sound-toggle:hover{border-color:var(--cyan)}.hud-timer{position:absolute;top:16px;left:50%;transform:translate(-50%);z-index:15;font-family:var(--font-num);font-size:34px;font-weight:700;padding:8px 22px;letter-spacing:1px}.hud-positions{position:absolute;top:80px;right:16px;z-index:15;width:200px;padding:12px 14px}.hud-title{font-size:12px;text-transform:uppercase;color:var(--muted);margin-bottom:8px;letter-spacing:1px}.pos-row{display:flex;align-items:center;gap:8px;padding:5px 6px;border-radius:8px;font-size:14px}.pos-row.finished{background:#06d6a01f}.pos-row.dnf{opacity:.5}.pos-rank{font-family:var(--font-num);font-weight:700;width:20px;text-align:center;color:var(--cyan)}.pos-name{flex:1}.pos-flag{font-size:11px;color:var(--muted)}.hud-minimap{position:absolute;bottom:16px;left:16px;z-index:15;padding:12px 14px}.minimap-track{display:flex;gap:6px;height:140px}.minimap-col{width:12px;height:100%}.minimap-bar{position:relative;width:100%;height:100%;background:#ffffff0f;border-radius:6px;overflow:hidden}.minimap-fill{position:absolute;top:0;left:0;width:100%;border-radius:6px;transition:height .12s linear}.countdown-overlay{position:absolute;inset:0;z-index:25;display:flex;align-items:center;justify-content:center;pointer-events:none}.countdown-number{font-family:var(--font-num);font-weight:700;font-size:160px;color:var(--text);text-shadow:0 0 40px var(--cyan)}.countdown-number.go{color:var(--cyan);text-shadow:0 0 60px var(--magenta)}.modal-backdrop{position:absolute;inset:0;z-index:30;background:#04041099;display:flex;align-items:center;justify-content:center;padding:20px}.modal{width:100%;max-width:540px;padding:24px;max-height:92vh;overflow:auto}.modal-title{font-family:var(--font-num);text-align:center;margin:0 0 12px;font-size:26px}.podium-canvas{height:240px;border-radius:14px;overflow:hidden;margin-bottom:16px}.result-list{display:flex;flex-direction:column;gap:4px;margin-bottom:16px}.result-row{display:flex;align-items:center;gap:10px;padding:6px 8px;border-radius:8px;background:#ffffff0a}.result-row.dnf{opacity:.55}.result-time{margin-left:auto;font-family:var(--font-num)}.result-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px}.result-stats div{display:flex;flex-direction:column;background:#ffffff0a;padding:8px 12px;border-radius:10px}.result-stats span{color:var(--muted);font-size:12px}.result-stats strong{font-family:var(--font-num);font-size:16px}.modal-actions{display:flex;gap:12px}.modal-actions .btn{flex:1}.leaderboard{padding:8px;overflow:hidden}.leaderboard table{width:100%;border-collapse:collapse}.leaderboard th,.leaderboard td{text-align:left;padding:12px 14px}.leaderboard th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:1px}.leaderboard tbody tr{border-top:1px solid rgba(255,255,255,.06)}.lb-rank{font-family:var(--font-num);font-weight:700;color:var(--cyan)}.empty{text-align:center;color:var(--muted);margin-top:40px}.loading-center{position:absolute;inset:0;z-index:10;display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;color:var(--muted)}.spinner{width:44px;height:44px;border-radius:50%;border:3px solid rgba(255,255,255,.12);border-top-color:var(--cyan);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 760px){.mode-select,.marble-grid{grid-template-columns:repeat(2,1fr)}.hud-positions{width:150px;top:70px}.countdown-number{font-size:100px}.result-stats{grid-template-columns:1fr}}