@charset "UTF-8";:root{--bg-primary: #07090e;--bg-secondary: #0d121d;--bg-card: rgba(22, 30, 46, .7);--bg-card-hover: rgba(33, 45, 68, .9);--bg-card-selected: rgba(79, 70, 229, .25);--border-card: rgba(255, 255, 255, .08);--border-card-selected: #6366f1;--border-card-error: #ef4444;--border-card-match: #10b981;--accent-cyan: #06b6d4;--accent-indigo: #6366f1;--accent-purple: #a855f7;--accent-rose: #f43f5e;--accent-emerald: #10b981;--accent-amber: #f59e0b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--text-pinyin: #38bdf8;--card-width: 190px;--card-height: 68px;--hud-width: 240px;--font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", monospace}*{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);overflow-x:hidden;min-height:100vh;background-image:radial-gradient(circle at 50% 0%,rgba(99,102,241,.15) 0%,transparent 60%),radial-gradient(circle at 100% 100%,rgba(6,182,212,.08) 0%,transparent 40%),radial-gradient(circle at 0% 100%,rgba(168,85,247,.08) 0%,transparent 40%);background-attachment:fixed}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}.app-container{display:flex;flex-direction:column;min-height:100vh;position:relative}.top-nav{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 2rem;border-bottom:1px solid 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.9rem;border-radius:8px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1)}.nav-btn:hover{background:#ffffff1a;border-color:#ffffff40;transform:translateY(-1px)}.nav-btn:active{transform:scale(.96) translateY(0);transition:transform 70ms cubic-bezier(0,0,.2,1)}.nav-btn.primary{background:linear-gradient(135deg,var(--accent-indigo),#4338ca);border-color:#6366f166;border-top-color:#a5b4fc80;box-shadow:0 0 16px #6366f14d}.nav-btn.primary:hover{background:linear-gradient(135deg,#4f46e5,#3730a3);box-shadow:0 0 22px #6366f180}.nav-btn.primary:active{transform:scale(.96) translateY(0);box-shadow:0 0 10px #6366f14d;transition:transform 70ms cubic-bezier(0,0,.2,1)}.nav-badge-pro{background:linear-gradient(135deg,#f59e0b,#d97706);color:#000;font-weight:700;font-size:.7rem;padding:.15rem .45rem;border-radius:4px;text-transform:uppercase;letter-spacing:.05em}.nav-btn.pass-active{background:linear-gradient(135deg,#f59e0b2e,#d977061f);border:1px solid 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.card-audio-indicator{opacity:1;color:var(--accent-cyan)}.hud-spine{width:var(--hud-width);height:100%;background:#0f172ad1;border:1px solid rgba(255,255,255,.1);border-top:1px solid rgba(255,255,255,.24);border-bottom:1px solid rgba(0,0,0,.5);border-radius:20px;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);padding:1.25rem 1rem;display:flex;flex-direction:column;align-items:center;justify-content:space-between;box-shadow:0 20px 45px -10px #000000b3,inset 0 1px 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