:root{--bg: #f4f6f9;--surface: #ffffff;--border: #e3e8ee;--text: #1f2a37;--muted: #6b7280;--primary: #2c3e50;--primary-hover: #34495e;--accent: #3498db;--ai: #c0392b;--human: #27ae60;--warn: #e67e22}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{background:var(--primary);color:#fff;border:none;padding:10px 18px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:transparent;color:var(--primary);border:1px solid var(--border)}.header{background:var(--primary);color:#fff;padding:16px 24px;box-shadow:0 2px 4px #0000000f}.header h1{margin:0;font-size:20px}.header a{color:#fff;margin-right:24px}.header nav{margin-top:8px}.container{max-width:1100px;margin:0 auto;padding:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:16px;box-shadow:0 1px 3px #00000008}textarea{width:100%;min-height:260px;padding:12px;font-family:inherit;font-size:14px;border:1px solid var(--border);border-radius:6px;resize:vertical}textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}select,input[type=file]{padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:#fff}label{display:block;font-weight:500;margin-bottom:6px}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.error{background:#fdecea;color:#9b1c1c;padding:10px 14px;border-radius:6px;border-left:3px solid var(--ai);margin:12px 0}.meta{color:var(--muted);font-size:13px}.verdict{font-size:22px;font-weight:600;margin-top:12px}.big-number{font-size:56px;font-weight:700;line-height:1;margin:8px 0}.score-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:16px}.score-cell{background:#f9fafc;border:1px solid var(--border);border-radius:6px;padding:12px}.score-cell .num{font-size:28px;font-weight:600}.score-cell .name{color:var(--muted);font-size:13px;margin-bottom:4px}.bar{height:8px;background:#e5e7eb;border-radius:4px;margin-top:8px;overflow:hidden}.bar>span{display:block;height:100%;background:var(--accent);transition:width .4s ease}table{width:100%;border-collapse:collapse;margin-top:12px;font-size:14px}table th,table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}table th{background:#f9fafc;font-weight:600}.marker-list{display:grid;gap:10px;margin-top:12px}.marker-list .item{background:#f9fafc;border:1px solid var(--border);border-radius:6px;padding:12px 14px}.marker-list .item .label{font-weight:600;font-size:14px}.marker-list .item .interp{color:var(--muted);font-size:13px;margin-top:2px}.marker-list .item .value{float:right;font-family:monospace;background:#fff;padding:2px 8px;border-radius:4px;border:1px solid var(--border)}.spinner{display:inline-block;width:16px;height:16px;border:2px solid #cbd5e1;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle;margin-right:8px}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 640px){.container{padding:14px}.header{padding:12px 14px}.big-number{font-size:40px}.header nav a{margin-right:12px;display:inline-block}}