@import "https://fonts.googleapis.com/css2?family=Onest:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--bg:#000;--bg-card:#12121a;--bg-input:#1a1a25;--text:#e8e8ec;--text-dim:#8888a0;--accent:#f0c040;--accent-dim:#f0c04026;--green:#34d399;--green-bg:#34d3991f;--yellow:#f0c040;--yellow-bg:#f0c0401f;--red:#f87171;--red-bg:#f871711f;--radius:12px;--font:"Onest", sans-serif;--font-mono:"JetBrains Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--bg);min-height:100vh}body{font-family:var(--font);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.6}.app{max-width:580px;margin:0 auto;padding:0 16px}.fade-in{animation:.3s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.btn-primary{background:var(--accent);color:#08080d;width:100%;font-family:var(--font);border-radius:var(--radius);cursor:pointer;text-align:center;border:none;justify-content:center;align-items:center;gap:8px;padding:14px 24px;font-size:16px;font-weight:600;text-decoration:none;transition:background .15s,transform .1s;display:flex}.btn-primary:hover{background:#f5d060}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-hint{opacity:.5;font-size:12px;font-weight:400}.btn-secondary{width:100%;color:var(--text-dim);font-family:var(--font);border-radius:var(--radius);cursor:pointer;text-align:center;background:0 0;border:1px solid #ffffff1a;padding:14px 24px;font-size:15px;font-weight:500;transition:border-color .15s;display:block}.btn-secondary:hover{border-color:#ffffff40}.intro-screen{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:24px;min-height:100dvh;display:flex}.intro-badge{color:var(--accent);background:var(--accent-dim);border-radius:20px;padding:6px 14px;font-size:13px;font-weight:500}.intro-title{letter-spacing:-.02em;font-size:36px;font-weight:700;line-height:1.2}.intro-desc{color:var(--text-dim);max-width:440px;font-size:16px;line-height:1.6}.intro-blocks{gap:12px;margin:8px 0;display:flex}.intro-block{background:var(--bg-card);border-radius:8px;align-items:center;gap:8px;padding:10px 16px;font-size:14px;font-weight:500;display:flex}.intro-block-num{color:var(--accent);font-size:13px;font-weight:700}.question-screen{flex-direction:column;gap:16px;padding-top:24px;display:flex}.progress-bar-container{background:#ffffff14;border-radius:2px;width:100%;height:4px;overflow:hidden}.progress-bar{background:var(--accent);border-radius:2px;height:100%;transition:width .4s}.question-header{justify-content:space-between;align-items:center;display:flex}.question-counter{color:var(--accent);font-size:14px;font-weight:600}.question-block{color:var(--text-dim);background:var(--bg-card);border-radius:6px;padding:4px 10px;font-size:13px}.question-topic{color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;font-size:13px;font-weight:500}.question-text{font-size:20px;font-weight:600;line-height:1.4}.question-code{background:var(--bg-card);border-radius:var(--radius);font-family:var(--font-mono);color:var(--accent);border:1px solid #ffffff0f;padding:16px;font-size:14px;line-height:1.6;overflow-x:auto}.answer-input{background:var(--bg-input);border-radius:var(--radius);width:100%;color:var(--text);font-family:var(--font);resize:vertical;border:1px solid #ffffff14;outline:none;padding:14px 16px;font-size:15px;line-height:1.6;transition:border-color .15s}.answer-input:focus{border-color:var(--accent)}.answer-input.answer-code{font-family:var(--font-mono);font-size:14px}.answer-input:disabled{opacity:.6}.loading{color:var(--text-dim);justify-content:center;align-items:center;gap:10px;padding:14px;font-size:15px;display:flex}.loading-spinner{border:2px solid #ffffff1a;border-top-color:var(--accent);border-radius:50%;width:18px;height:18px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.result-block{border-radius:var(--radius);border-left:3px solid;padding:16px}.result-block.score-good{background:var(--green-bg);border-left-color:var(--green)}.result-block.score-partial{background:var(--yellow-bg);border-left-color:var(--yellow)}.result-block.score-bad{background:var(--red-bg);border-left-color:var(--red)}.result-score{margin-bottom:6px;font-size:15px;font-weight:700}.score-good .result-score{color:var(--green)}.score-partial .result-score{color:var(--yellow)}.score-bad .result-score{color:var(--red)}.result-feedback{color:var(--text);margin-bottom:10px;font-size:14px;line-height:1.6}.result-tip{color:var(--text-dim);font-size:13px}.result-screen{flex-direction:column;gap:20px;padding:24px 0;display:flex}.result-title{text-align:center;font-size:28px;font-weight:700}.result-overall{text-align:center;border-radius:var(--radius);background:var(--bg-card);padding:28px 20px}.result-percent{font-size:56px;font-weight:700;line-height:1}.level-good .result-percent{color:var(--green)}.level-partial .result-percent{color:var(--yellow)}.level-bad .result-percent{color:var(--red)}.result-level{margin-top:8px;font-size:18px;font-weight:600}.result-points{color:var(--text-dim);margin-top:4px;font-size:14px}.result-blocks{flex-direction:column;gap:12px;display:flex}.result-block-card{background:var(--bg-card);border-radius:var(--radius);padding:16px}.result-block-header{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.result-block-name{font-size:15px;font-weight:600}.result-block-percent{color:var(--accent);font-size:14px;font-weight:700}.result-block-bar{background:#ffffff0f;border-radius:3px;height:6px;overflow:hidden}.result-block-fill{background:var(--accent);border-radius:3px;height:100%;transition:width .8s}.result-weak{flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px;display:flex}.result-weak-label{color:var(--text-dim);font-size:13px}.result-weak-topic{background:var(--red-bg);color:var(--red);border-radius:4px;padding:3px 8px;font-size:12px;font-weight:500}.offer-block{background:var(--bg-card);border-radius:var(--radius);text-align:center;border:1px solid #f0c04033;padding:24px}.offer-badge{color:var(--accent);background:var(--accent-dim);text-transform:uppercase;letter-spacing:.05em;border-radius:4px;margin-bottom:12px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-block}.offer-title{margin-bottom:8px;font-size:22px;font-weight:700}.offer-desc{color:var(--text-dim);margin-bottom:12px;font-size:14px;line-height:1.6}.offer-date{color:var(--accent);margin-bottom:16px;font-size:15px;font-weight:600}.offer-btn{display:inline-flex}.timer{font-family:var(--font-mono);color:var(--text-dim);background:var(--bg-card);border-radius:6px;padding:4px 10px;font-size:14px;font-weight:600}.timer-warning{color:var(--red);background:var(--red-bg);animation:1s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.cta-block{background:var(--bg-card);border-radius:var(--radius);text-align:center;border:1px solid #f0c04033;padding:24px}.cta-text{color:var(--text);font-size:16px;line-height:1.6}.cta-plus{color:var(--accent);background:var(--accent-dim);border-radius:6px;padding:2px 10px;font-size:18px;font-weight:700;display:inline-block}.intro-warning{background:var(--red-bg);border-radius:var(--radius);color:var(--red);text-align:center;border:1px solid #f8717140;max-width:440px;padding:14px 18px;font-size:14px;line-height:1.5}.fail-screen{text-align:center;flex-direction:column;align-items:center;gap:20px;padding-top:15dvh;display:flex}.fail-icon{background:var(--red-bg);width:64px;height:64px;color:var(--red);border-radius:50%;justify-content:center;align-items:center;font-size:28px;font-weight:700;display:flex}.fail-title{color:var(--red);font-size:28px;font-weight:700}.fail-desc{color:var(--text-dim);max-width:400px;font-size:16px;line-height:1.6}@media (width<=480px){.intro-title{font-size:28px}.intro-blocks{flex-direction:column}.question-text{font-size:18px}.result-percent{font-size:44px}.offer-title{font-size:20px}}