:root{--bg: #070b14;--surface: #0d1526;--border: #1a2d4a;--gold: #f5c518;--gold-dim: #c49a0f;--blue: #3d9efc;--purple: #a78bfa;--pink: #f472b6;--green: #22c55e;--red: #ef4444;--text: #f0f4ff;--muted: #6b80a8;--font-display: "Bebas Neue", sans-serif;--font-body: "Nunito", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;background:var(--bg);color:var(--text);font-family:var(--font-body);overflow:hidden}.tv-canvas{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.tv-screen{width:min(100vw,177.78vh);height:min(100vh,56.25vw);position:relative;overflow:hidden;background:var(--bg)}.tv-screen:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 20% 50%,rgba(61,158,252,.05) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(167,139,250,.05) 0%,transparent 50%);pointer-events:none}.display{font-family:var(--font-display);letter-spacing:.03em}.btn{font-family:var(--font-body);font-weight:800;border:none;cursor:pointer;border-radius:16px;transition:transform .15s,box-shadow .15s,opacity .15s;-webkit-user-select:none;user-select:none}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(1px)}.btn-gold{background:var(--gold);color:#000;box-shadow:0 0 32px #f5c51859}.btn-gold:hover{box-shadow:0 0 48px #f5c5188c}.btn-ghost{background:#ffffff12;color:var(--text);border:1px solid var(--border)}.btn-ghost:hover{background:#ffffff1f}.btn-danger{background:var(--red);color:#fff}.card{background:var(--surface);border:1px solid var(--border);border-radius:20px}@keyframes fadeUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:fadeUp .5s ease both}@keyframes pop{0%{transform:scale(.7);opacity:0}70%{transform:scale(1.08)}to{transform:scale(1);opacity:1}}.pop{animation:pop .4s cubic-bezier(.34,1.56,.64,1) both}@keyframes pulse-gold{0%,to{box-shadow:0 0 20px #f5c5184d}50%{box-shadow:0 0 50px #f5c518b3}}@keyframes spin{to{transform:rotate(360deg)}}.progress-bar{position:absolute;top:0;left:0;right:0;height:5px;background:var(--border)}.progress-fill{height:100%;background:linear-gradient(90deg,var(--blue),var(--gold));transition:width .4s ease}.scrollable{overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.option-btn{width:100%;text-align:left;padding:20px 28px;border-radius:14px;border:2px solid var(--border);background:#ffffff08;color:var(--text);font-family:var(--font-body);font-size:1.5rem;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:16px}.option-btn:hover:not(:disabled){border-color:var(--blue);background:#3d9efc1a;transform:translate(4px)}.option-btn.selected{border-color:var(--gold);background:#f5c5181f}.option-btn.correct{border-color:var(--green);background:#22c55e26;color:var(--green)}.option-btn.wrong{border-color:var(--red);background:#ef44441a;color:var(--red);opacity:.7}.option-key{width:44px;height:44px;border-radius:10px;background:var(--border);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:1.4rem;flex-shrink:0}.option-btn.correct .option-key{background:var(--green);color:#000}.option-btn.wrong .option-key{background:var(--red);color:#fff}.option-btn.selected .option-key{background:var(--gold);color:#000}