@import"https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:wght@400;500;600&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0a0a0f;--surface: #13131a;--surface2: #1c1c28;--border: #2a2a3d;--accent: #e8c84a;--accent2: #ff6b35;--text: #f0f0f0;--muted: #8888aa;--correct: #2dbe6c;--wrong: #e8445a;--radius: 12px}body{background:var(--bg);color:var(--text);font-family:DM Sans,sans-serif;min-height:100vh;background-image:radial-gradient(ellipse at 20% 10%,rgba(232,200,74,.04) 0%,transparent 60%),radial-gradient(ellipse at 80% 90%,rgba(255,107,53,.04) 0%,transparent 60%)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:#0a0a0feb;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10;flex-wrap:wrap;gap:12px}.logo{font-family:Bebas Neue,sans-serif;font-size:1.5rem;letter-spacing:.05em;color:var(--accent)}.logo span{color:var(--text)}.score-bar{display:flex;align-items:center;gap:10px}.score-value{font-family:Bebas Neue,sans-serif;font-size:1.5rem;color:var(--accent);line-height:1}.score-text{font-size:.7rem;color:var(--muted);text-transform:uppercase}.progress-track{width:120px;height:6px;background:var(--border);border-radius:99px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:99px;transition:width .4s ease}.question-counter{font-size:.75rem;color:var(--muted);min-width:36px}.app-main{flex:1;display:flex;align-items:flex-start;justify-content:center;padding:32px 24px}.game-area{width:100%;max-width:960px;display:flex;flex-direction:column;gap:16px}.frame-wrapper{position:relative;width:100%;border-radius:var(--radius);overflow:hidden;background:var(--surface);border:1px solid var(--border);box-shadow:0 8px 32px #0009;padding-top:56.25%}.frame-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .35s}.frame-skeleton{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:var(--surface)}.frame-visible{opacity:1}.frame-hidden{opacity:0}.skeleton-pulse{width:60%;height:40%;border-radius:8px;background:linear-gradient(90deg,var(--surface) 25%,var(--surface2) 50%,var(--surface) 75%);background-size:200% 100%;animation:shimmer 1.4s infinite}.skeleton-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:12px;z-index:2}.skeleton-reel{font-size:3rem;animation:reelSpin 1.2s linear infinite;filter:drop-shadow(0 0 12px rgba(232,200,74,.4))}.skeleton-dots{display:flex;gap:6px}.skeleton-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:dotPulse 1.2s ease-in-out infinite}.skeleton-dot:nth-child(2){animation-delay:.2s}.skeleton-dot:nth-child(3){animation-delay:.4s}.skeleton-text{font-size:.75rem;color:var(--muted);letter-spacing:.15em;text-transform:uppercase;animation:textFade 1.2s ease-in-out infinite}@keyframes reelSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes dotPulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1.2)}}@keyframes textFade{0%,to{opacity:.4}50%{opacity:1}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.hint-badge{position:absolute;bottom:12px;left:12px;background:#0a0a0fd9;border:1px solid var(--border);border-radius:99px;padding:4px 12px;font-size:.78rem;color:var(--muted);display:flex;align-items:center;gap:6px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.feedback-banner{text-align:center;padding:10px 20px;border-radius:var(--radius);font-weight:600;font-size:.95rem;animation:slideIn .25s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.fb-correct{background:#2dbe6c26;color:var(--correct);border:1px solid rgba(45,190,108,.3)}.fb-wrong{background:#e8445a26;color:var(--wrong);border:1px solid rgba(232,68,90,.3)}.option-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.option-btn{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:DM Sans,sans-serif;font-size:.9rem;font-weight:500;cursor:pointer;text-align:left;transition:border-color .15s,background .15s,transform .1s;min-height:60px;line-height:1.3}.opt-idle:hover{border-color:var(--accent);background:var(--surface2);transform:translateY(-1px)}.opt-idle:active{transform:translateY(0)}.opt-correct{border-color:var(--correct);background:#2dbe6c1f;color:var(--correct)}.opt-wrong{border-color:var(--wrong);background:#e8445a1f;color:var(--wrong)}.opt-reveal{border-color:var(--correct);background:#2dbe6c14;color:var(--correct);opacity:.8}.option-btn{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:DM Sans,sans-serif;font-size:1rem;font-weight:500;cursor:pointer;text-align:left;transition:border-color .15s,background .15s,transform .1s;min-height:64px;line-height:1.3}.opt-title{flex:1}.opt-icon{font-size:1.1rem;margin-left:8px;flex-shrink:0}.center-screen{width:100%;max-width:600px;margin:0 auto;display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;padding:60px 20px}.film-reel{font-size:3.5rem;animation:spin 4s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.app-title{font-family:Bebas Neue,sans-serif;font-size:clamp(2.5rem,8vw,4rem);letter-spacing:.04em;line-height:1}.title-accent{color:var(--accent)}.app-sub{color:var(--muted);font-size:.95rem;max-width:320px;line-height:1.6}.start-btn{margin-top:8px;padding:14px 44px;background:var(--accent);color:#0a0a0f;border:none;border-radius:99px;font-family:DM Sans,sans-serif;font-size:1rem;font-weight:600;cursor:pointer;letter-spacing:.02em;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 20px #e8c84a4d}.start-btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px #e8c84a66}.start-btn:active{transform:translateY(0)}.go-grade{font-size:1.1rem;color:var(--muted)}.go-score{font-family:Bebas Neue,sans-serif;font-size:5rem;color:var(--accent);line-height:1}.go-total{font-size:2.5rem;color:var(--muted)}.go-pct{color:var(--muted);font-size:.9rem}.go-bar-track{width:240px;height:8px;background:var(--border);border-radius:99px;overflow:hidden;margin-top:4px}.go-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:99px;transition:width 1s ease}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@media(max-width:500px){.option-grid{grid-template-columns:1fr}.app-header{padding:10px 16px}.progress-track{width:80px}.game-area{max-width:100%}}.app-footer{display:flex;align-items:center;justify-content:center;gap:6px;padding:16px 24px;border-top:1px solid var(--border);font-size:.8rem;color:var(--muted);letter-spacing:.02em}.footer-heart{animation:heartbeat 1.8s ease-in-out infinite;font-size:1rem}.footer-name{color:var(--accent);font-weight:600}@keyframes heartbeat{0%,to{transform:scale(1)}20%{transform:scale(1.3)}40%{transform:scale(1)}60%{transform:scale(1.15)}}