:root{--bg: #0b0e1a;--panel: #141829e6;--line: #2c3252;--text: #e8ecff;--dim: #8b93b8;--accent: #5a78ff;--accent-2: #ffb14d;--danger: #ff4d5e;font-family:Segoe UI,system-ui,sans-serif}*{box-sizing:border-box;margin:0}html,body{height:100%;background:var(--bg);color:var(--text);overflow:hidden}#scene{position:fixed;inset:0;width:100%;height:100%;display:block}#ui{position:fixed;inset:0;pointer-events:none}#ui>*{pointer-events:none}.screen{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;background:radial-gradient(ellipse at center,#0b0e1a55,#0b0e1acc)}.screen.hidden{display:none}.screen button,.screen a{pointer-events:auto}.title h1{font-size:clamp(48px,9vw,110px);letter-spacing:.14em;font-weight:800;background:linear-gradient(180deg,#f3f6ff 30%,#7d96ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 42px #5a78ff44}.tagline{text-align:center;color:var(--dim);letter-spacing:.3em;text-transform:uppercase;font-size:14px;margin-top:10px}.menu-buttons{display:flex;flex-direction:column;gap:14px;min-width:300px}.menu-buttons.row{flex-direction:row;justify-content:center;min-width:0}.btn{font:inherit;font-size:19px;font-weight:600;letter-spacing:.06em;padding:15px 34px;color:var(--text);background:var(--panel);border:1px solid var(--line);border-radius:10px;cursor:pointer;transition:transform .08s ease,border-color .15s ease,background .15s ease}.btn:hover{border-color:var(--accent);background:#1b2140ee;transform:translateY(-1px)}.btn.primary{background:linear-gradient(180deg,#4a66e8,#3349b8);border-color:#6e86ff}.btn.primary:hover{background:linear-gradient(180deg,#5a76ff,#3d55d4)}.btn.ghost{background:transparent;color:var(--dim)}.menu-foot .hint{max-width:420px}.hint{color:var(--dim);font-size:14px;text-align:center;line-height:1.5}.hint.hidden{display:none}.btn.small{font-size:14px;padding:8px 16px}.cam-status{color:var(--dim);font-size:13px}.cam-preview{position:fixed;left:16px;bottom:16px;z-index:20;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#060810;box-shadow:0 6px 28px #0008}.cam-preview.hidden{display:none}.cam-preview canvas{display:block;width:192px;height:108px}.cam-preview-label{font-size:11px;color:var(--dim);text-align:center;padding:3px 6px}.pairing h2,.overlay-card h2{font-size:34px;letter-spacing:.08em}.qr-card{background:#e8ecff;border-radius:16px;padding:22px 22px 12px;display:flex;flex-direction:column;align-items:center;gap:8px;box-shadow:0 12px 60px #0008}.qr-url{color:#3a4366;font-size:12px;font-family:Consolas,monospace;max-width:280px;word-break:break-all;text-align:center}.pairing-status{font-size:18px;color:var(--dim)}.pairing-status.live{color:#6dff9e}.pairing-status.error{color:var(--danger)}.overlay-card{background:#0b0e1aa8}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:36px 44px;display:flex;flex-direction:column;align-items:center;gap:18px;backdrop-filter:blur(8px)}.score-line{font-size:42px;font-weight:800;color:var(--accent-2)}.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hud{position:absolute;inset:0}.hud-bars{position:absolute;top:22px;left:0;right:0;display:grid;grid-template-columns:1fr auto auto 1fr;gap:14px;align-items:center;padding:0 4vw}.hpbar{height:16px;border:1px solid var(--line);border-radius:8px;background:#10131f;overflow:hidden}.hpbar.mine{transform:scaleX(-1)}.hpfill{height:100%;width:100%;background:linear-gradient(90deg,#4a66e8,#76e8ff);transition:width .18s ease}.hpbar.theirs .hpfill{background:linear-gradient(90deg,#e84a5e,#ff9d76)}.hpfill.low{background:linear-gradient(90deg,#b8242f,#ff4d5e)}.pips{display:flex;gap:6px}.pip{width:11px;height:11px;border-radius:50%;border:1px solid var(--line);background:#10131f;display:inline-block}.pip.lit{background:var(--accent-2);border-color:var(--accent-2);box-shadow:0 0 8px var(--accent-2)}.banner{position:absolute;top:32%;left:0;right:0;text-align:center;pointer-events:none}.banner.hidden{display:none}.banner-main{font-size:clamp(40px,7vw,84px);font-weight:800;letter-spacing:.22em;text-shadow:0 0 36px #5a78ff66}.banner-sub{font-size:22px;letter-spacing:.5em;color:var(--accent-2);margin-top:6px}.banner.pop{animation:bannerPop .34s cubic-bezier(.2,1.6,.4,1)}@keyframes bannerPop{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.hud-status{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:var(--dim);font-size:16px;letter-spacing:.08em}.hud-debug{position:absolute;bottom:24px;right:22px;font-family:Consolas,monospace;font-size:12px;color:#9fe8a8;background:#060810cc;border:1px solid var(--line);border-radius:8px;padding:10px 14px;white-space:pre;text-align:left}.hud-debug.hidden{display:none}