:root{--bg: #0f1226;--card: #1a1f3a;--card2: #232a4d;--accent: #7c5cff;--accent2: #00d4a0;--text: #e8eaf6;--muted: #9aa0c3;--high: #ff5c7c;--medium: #ffb84d;--low: #5cc8ff;--border: #2c3360}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:radial-gradient(1200px 600px at 70% -10%,#2a2160 0%,var(--bg) 55%);color:var(--text);min-height:100vh}.app{max-width:880px;margin:0 auto;padding:24px 18px 64px}.header{text-align:center;margin-bottom:18px}.header h1{font-size:2.4rem;margin:0}.logo{filter:drop-shadow(0 0 8px var(--accent))}.tag{color:var(--muted);margin:6px 0 0}.steps{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:18px 0 24px}.step{display:flex;align-items:center;gap:8px;background:var(--card);color:var(--muted);border:1px solid var(--border);border-radius:30px;padding:8px 16px;cursor:pointer;font-size:.9rem;transition:all 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0}.exam-q-head{display:flex;justify-content:space-between;gap:10px;margin-bottom:6px}.block{display:flex;flex-direction:column;gap:6px;margin:12px 0;color:var(--muted);font-size:.85rem}.block textarea,.block select{color:var(--text)}.inline-field{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.85rem}.inline-field input{width:80px}.result{margin-top:22px;border-top:1px solid var(--border);padding-top:18px}.score{display:flex;align-items:baseline;gap:14px;margin-bottom:16px}.score-num{font-size:2.4rem;font-weight:800;color:var(--accent2)}.verdict{color:var(--muted)}.feedback-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:12px}.feedback-cols h4{margin:0 0 6px}.feedback-cols ul{margin:0;padding-left:18px;line-height:1.5}.model-answer{background:var(--card2);border-radius:10px;padding:14px;line-height:1.55;white-space:pre-wrap}.toggle{display:flex;gap:8px;margin-bottom:8px}.toggle 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var(--border);border-radius:12px;padding:14px;margin-bottom:16px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.chip{background:#7c5cff2e;color:#c8bcff;border:1px solid var(--accent);border-radius:20px;padding:4px 12px;font-size:.82rem}.chip.small{font-size:.74rem;padding:2px 9px;background:#00d4a024;color:var(--accent2);border-color:var(--accent2)}.timeline{display:flex;flex-direction:column;gap:12px;margin-top:10px}.day{background:var(--card2);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:12px;padding:14px}.day-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}.day-num{font-weight:700;color:var(--accent)}.day-date{color:var(--muted);font-size:.82rem}.day-dur{margin-left:auto;background:#ffffff14;padding:2px 10px;border-radius:20px;font-size:.78rem}.day ul{margin:8px 0 0;padding-left:18px;line-height:1.5}.tips{margin-top:16px;background:var(--card2);border-radius:12px;padding:14px}.tips h4{margin:0 0 6px}.footer{text-align:center;color:var(--muted);font-size:.8rem;margin-top:28px}code{background:#ffffff14;padding:1px 6px;border-radius:6px}@media(max-width:600px){.feedback-cols{grid-template-columns:1fr}.topic-row{grid-template-columns:110px 1fr auto}}