:root{--bg-page: #e9edf2;--frame-bg: #0f1724;--panel-bg: rgba(15, 23, 36, .78);--panel-border: rgba(255, 255, 255, .08);--text: #eef2f8;--text-dim: #aab4c4;--accent: #6ec3ff;--accent-strong: #4f9eef;--warning: #e2a04a;--danger: #d96a6a;--good: #6abf69;--font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;background:var(--bg-page);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body{display:flex;align-items:center;justify-content:center;min-height:100vh;overflow:auto}.app-frame{width:640px;max-width:100%;height:480px;display:flex;align-items:center;justify-content:center}.game-shell{position:relative;width:640px;height:480px;max-width:100%;max-height:100%;border-radius:14px;overflow:hidden;box-shadow:0 12px 38px #0f172459;background:var(--frame-bg);isolation:isolate;font-size:13px;line-height:1.45}.game-canvas{display:block;width:100%!important;height:100%!important}.game-fallback{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 30%,rgba(110,195,255,.18),transparent 60%),radial-gradient(ellipse at 50% 90%,rgba(79,158,239,.12),transparent 70%),linear-gradient(180deg,#131c2c,#0c1320);z-index:1}.hud-top{position:absolute;top:10px;left:10px;right:10px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;pointer-events:none;z-index:5}.meter{background:#0f17249e;border:1px solid var(--panel-border);border-radius:8px;padding:6px 8px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.meter-label{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-dim);margin-bottom:4px}.meter-track{height:5px;background:#ffffff14;border-radius:3px;overflow:hidden}.meter-fill{height:100%;border-radius:3px;transition:width .45s ease,background .45s ease}.timebox{position:absolute;top:78px;right:12px;display:flex;flex-direction:column;align-items:center;background:#0f1724b3;border:1px solid var(--panel-border);border-radius:999px;padding:6px 10px 7px;z-index:5;pointer-events:none;min-width:56px}.timebox-label{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}.timebox-value{font-size:14px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums}.scenario{position:absolute;left:10px;right:10px;bottom:10px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:12px;padding:10px 12px 12px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:6;display:flex;flex-direction:column;gap:8px;max-height:360px}.scenario-meta{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--text-dim)}.setting{font-style:italic}.speaker{display:inline-flex;align-items:center;gap:6px;color:var(--text);font-weight:500}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.prompt{font-size:13px;color:var(--text);font-weight:500;line-height:1.4}.choices{display:flex;flex-direction:column;gap:6px}.choice{text-align:left;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);color:var(--text);border-radius:8px;padding:8px 10px;cursor:pointer;font-family:inherit;font-size:12.5px;line-height:1.35;transition:background .15s ease,border-color .15s ease,transform .05s ease}.choice:hover:not(:disabled){background:#6ec3ff1a;border-color:#6ec3ff73}.choice:active:not(:disabled){transform:translateY(1px)}.choice:disabled{opacity:.55;cursor:not-allowed}.feedback{background:#6ec3ff14;border:1px solid rgba(110,195,255,.18);border-radius:8px;padding:8px 10px;font-size:12px;color:var(--text)}.feedback-tags{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:4px}.tag{font-size:10px;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);background:#6ec3ff1f;border:1px solid rgba(110,195,255,.3);padding:2px 6px;border-radius:999px}.feedback-text{color:var(--text-dim);line-height:1.4}.reset{align-self:flex-start;background:#ffffff0d;border:1px solid rgba(255,255,255,.12);color:var(--text);font-family:inherit;font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:999px;cursor:pointer;transition:background .15s ease,border-color .15s ease}.reset:hover:not(:disabled){background:#6ec3ff1f;border-color:#6ec3ff66;color:var(--accent)}.reset:disabled{opacity:.6;cursor:not-allowed}.overlay{position:absolute;inset:0;background:#080c14a6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:10;padding:18px}.card{width:100%;max-width:480px;background:#141c2af5;border:1px solid var(--panel-border);border-radius:14px;padding:18px 20px;color:var(--text);box-shadow:0 18px 40px #0006}.card h1{margin:0 0 8px;font-size:18px;letter-spacing:-.01em}.card h2{margin:0 0 6px;font-size:17px;letter-spacing:-.01em}.card p{margin:0 0 10px;font-size:12.5px;color:var(--text-dim);line-height:1.5}.bullets{margin:0 0 14px;padding-left:18px;font-size:12px;color:var(--text-dim);line-height:1.5}.bullets li{margin-bottom:3px}.primary{background:var(--accent-strong);color:#08111e;border:none;font-family:inherit;font-size:13px;font-weight:600;padding:9px 18px;border-radius:8px;cursor:pointer;transition:background .15s ease,transform .05s ease}.primary:hover{background:var(--accent)}.primary:active{transform:translateY(1px)}.grade{font-size:14px!important;color:var(--accent)!important;font-weight:500;margin-bottom:12px!important}.end-meters{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 0 14px}.small-stat{background:#ffffff0a;border:1px solid var(--panel-border);border-radius:8px;padding:8px 6px;text-align:center}.small-stat-value{font-size:16px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}.small-stat-label{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-dim);margin-top:2px}.strategies{margin-bottom:14px}.strategies-title{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin-bottom:6px}.strategies ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.strategies li{display:flex;justify-content:space-between;font-size:12px;background:#ffffff0a;border:1px solid var(--panel-border);border-radius:6px;padding:5px 8px}.strategies .count{color:var(--accent);font-variant-numeric:tabular-nums}@media(max-width:660px){.app-frame,.game-shell{width:100vw;max-width:100vw;border-radius:0}}