:root{--neon-cyan: #6cf0ff;--neon-magenta: #ff5cf0;--neon-green: #6dff9e;--bg-deep: #0a0a1a}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg-deep);font-family:Segoe UI,system-ui,-apple-system,sans-serif;color:#eaeaff}#app{position:fixed;inset:0}#game{display:block;position:absolute;inset:0}#hud{position:absolute;inset:0;pointer-events:none;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#hud .pointer{pointer-events:auto}.timer{position:absolute;left:50%;top:14px;transform:translate(-50%,-50%);font-size:20px;font-weight:800;letter-spacing:.5px;color:#fff;text-shadow:0 0 6px #0a0a1a,0 0 12px #0a0a1a,0 0 18px rgba(108,240,255,.9);font-variant-numeric:tabular-nums}.seed-tag{position:absolute;top:16px;right:16px;font-size:12px;opacity:.5}.icon-btn{position:absolute;top:calc(10px + env(safe-area-inset-top));left:calc(10px + env(safe-area-inset-left));pointer-events:auto;cursor:pointer;width:42px;height:42px;border-radius:50%;border:1px solid rgba(108,240,255,.25);background:#0a0a1a80;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:safe center;gap:14px;padding:18px 16px;overflow-y:auto;-webkit-overflow-scrolling:touch;pointer-events:auto;text-align:center;background:radial-gradient(ellipse at center,#0a0a1a80,#0a0a1ad1);backdrop-filter:blur(1px)}.title{font-size:clamp(30px,9vw,64px);font-weight:800;letter-spacing:2px;background:linear-gradient(90deg,var(--neon-cyan),var(--neon-magenta));-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 40px rgba(108,240,255,.3);margin:0}.subtitle{font-size:clamp(13px,3.6vw,18px);opacity:.75;max-width:90%;line-height:1.45;margin:0}.win-time{font-size:clamp(28px,9vw,48px);font-weight:800;color:var(--neon-green);text-shadow:0 0 24px rgba(109,255,158,.7)}.btn-row{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}button.btn{pointer-events:auto;cursor:pointer;border:2px solid var(--neon-cyan);background:#6cf0ff14;color:var(--neon-cyan);font-size:18px;font-weight:700;padding:14px 28px;border-radius:999px;transition:transform .1s ease,background .2s ease;text-shadow:0 0 8px rgba(108,240,255,.6)}button.btn:hover{background:#6cf0ff2e}button.btn:active{transform:scale(.95)}button.btn.secondary{border-color:var(--neon-magenta);color:var(--neon-magenta);background:#ff5cf014;text-shadow:0 0 8px rgba(255,92,240,.6)}button.btn.ghost{border-color:#eaeaff66;color:#eaeaffd9;background:transparent;text-shadow:none;font-size:16px;padding:12px 22px}.settings{display:flex;flex-direction:column;gap:12px;width:min(90%,420px)}.setting{display:flex;flex-direction:column;gap:6px}.setting-label{font-size:13px;letter-spacing:.5px;opacity:.7}.mode-desc{margin-top:-4px;font-size:12px;line-height:1.35;text-align:center;opacity:.65;min-height:16px}.seg{display:flex;gap:6px;background:#ffffff0d;border:1px solid rgba(108,240,255,.2);border-radius:14px;padding:4px}button.seg-btn{flex:1;cursor:pointer;border:none;background:transparent;color:#eaeaffb3;font-size:14px;font-weight:600;padding:9px 6px;border-radius:10px;transition:background .15s ease,color .15s ease,transform .08s ease}button.seg-btn:active{transform:scale(.96)}button.seg-btn.active{background:linear-gradient(135deg,#6cf0ff47,#ff5cf047);color:#fff;box-shadow:0 0 14px #6cf0ff66;text-shadow:0 0 8px rgba(108,240,255,.8)}.legend{width:min(92%,460px);border:1px solid rgba(108,240,255,.18);border-radius:14px;padding:10px 12px;background:#ffffff08;text-align:left}.legend-title{font-size:12px;letter-spacing:1px;text-transform:uppercase;opacity:.6;margin-bottom:6px}.legend-grid{display:grid;grid-template-columns:1fr 1fr;gap:5px 12px}.legend-item{display:flex;align-items:center;gap:7px;font-size:12px;opacity:.9}.legend-icon{font-size:15px;width:20px;text-align:center;filter:drop-shadow(0 0 5px currentColor)}.countdown{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:clamp(90px,30vw,200px);font-weight:900;color:#fff;text-shadow:0 0 40px var(--neon-cyan),0 0 80px var(--neon-magenta);animation:pop .6s ease}@keyframes pop{0%{transform:scale(.3);opacity:0}40%{transform:scale(1.15);opacity:1}to{transform:scale(1);opacity:1}}.hint{position:absolute;bottom:calc(20px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);font-size:13px;opacity:.5;text-align:center;width:90%}#rotate-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:var(--bg-deep)}#rotate-overlay[hidden]{display:none}.rotate-card{text-align:center;font-size:20px}.rotate-icon{font-size:64px;animation:rotateHint 2s ease-in-out infinite}@keyframes rotateHint{0%,to{transform:rotate(0)}50%{transform:rotate(-90deg)}}.online-lobby,.online-ready{display:flex;flex-direction:column;align-items:center;gap:20px;width:min(92%,420px);padding:6px 0}.online-ready .subtitle{margin-bottom:2px}.artifact-badge{position:absolute;bottom:calc(40px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);font-size:14px;font-weight:700;color:#ff5cf0;text-shadow:0 0 6px #0a0a1a,0 0 12px rgba(255,92,240,.8);white-space:nowrap;pointer-events:none}.win-status{min-height:20px;font-size:15px;color:var(--neon-cyan);text-align:center}.join-row{display:flex;gap:10px;align-items:center}.code-input{pointer-events:auto;width:120px;text-align:center;font-size:24px;font-weight:800;letter-spacing:6px;text-transform:uppercase;padding:10px 12px;border-radius:12px;border:2px solid rgba(108,240,255,.4);background:#ffffff0f;color:#fff}.online-status{min-height:22px;font-size:15px;opacity:.85;text-align:center;color:var(--neon-cyan)}.hidden{display:none!important}