:root{--bg: #f7f7f7;--panel: #ffffff;--panel2: #f1f3f7;--border: #e5e9ef;--text: #1e2a38;--muted: #6b7688;--accent: #f05272;--accent2: #d94062;--navy: #1e2a38;--navy-light: #2d354e;--green: #22c55e;--red: #e74c3c;--yellow: #f1c40f;--radius: 12px;--shadow: 0 1px 3px rgba(30, 42, 56, .06), 0 1px 2px rgba(30, 42, 56, .04)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent2)}h1,h2,h3{margin:0 0 12px;color:var(--navy)}h1{font-size:22px;font-weight:700}h2{font-size:18px;font-weight:600}.app{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--navy);border-right:1px solid var(--navy-light);padding:20px 14px;display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh}.brand{font-weight:700;font-size:18px;padding:6px 10px 18px;color:#fff;letter-spacing:.5px}.brand span{color:var(--accent)}.nav-item{padding:10px 12px;border-radius:8px;color:#aeb7c9;display:flex;align-items:center;gap:10px;cursor:pointer;font-weight:500;transition:background .15s,color .15s}.nav-item:hover{background:var(--navy-light);color:#fff}.nav-item.active{background:var(--accent);color:#fff}.sidebar .spacer{flex:1}.userbox{font-size:12px;color:#8891a6;padding:8px 12px;border-top:1px solid var(--navy-light)}.content{flex:1;padding:28px 34px;max-width:1200px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}.grid{display:grid;gap:16px}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.stat{background:var(--panel2);border-radius:10px;padding:16px}.stat .n{font-size:28px;font-weight:700;color:var(--navy)}.stat .l{color:var(--muted);font-size:13px;margin-top:4px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px}tr:hover td{background:var(--panel2)}label{display:block;margin:12px 0 6px;color:var(--navy);font-size:13px;font-weight:600}input,select,textarea{width:100%;padding:12px 14px;background:#fff;border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;font-family:inherit;transition:border-color .15s,box-shadow .15s}textarea{min-height:80px;resize:vertical}input::placeholder,textarea::placeholder{color:#9aa3b5}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #f0527226}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;background:var(--accent);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;transition:background .15s}.btn:hover{background:var(--accent2)}.btn.secondary{background:#fff;border:1px solid var(--border);color:var(--navy)}.btn.secondary:hover{background:var(--panel2)}.btn.danger{background:var(--red)}.btn.danger:hover{background:#cf3d2d}.btn.green{background:var(--green)}.btn.green:hover{background:#1aa64f}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.sm{padding:6px 12px;font-size:13px}.row{display:flex;gap:12px;align-items:center}.row.between{justify-content:space-between}.row.wrap{flex-wrap:wrap}.badge{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge.gray{background:#eef1f6;color:var(--muted)}.badge.green{background:#22c55e24;color:#15803d}.badge.red{background:#e74c3c24;color:#b91c1c}.badge.yellow{background:#f1c40f33;color:#92700a}.badge.blue{background:#2563eb1f;color:#1d4ed8}.muted{color:var(--muted)}.hint{color:var(--muted);font-size:12px;margin-top:4px}.error{background:#e74c3c1f;color:#b91c1c;padding:10px 14px;border-radius:8px;margin:10px 0}.success{background:#22c55e24;color:#15803d;padding:10px 14px;border-radius:8px;margin:10px 0}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{width:360px}.login-card .brand{color:var(--navy)}.question-block{background:var(--panel2);border:1px solid var(--border);border-radius:8px;padding:14px;margin-bottom:12px}.branch-row{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:8px;margin-top:8px}.transcript{white-space:pre-wrap;background:var(--panel2);padding:12px;border-radius:8px;font-size:13px;max-height:300px;overflow:auto;color:var(--text)}.rec-player{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.rec-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.rec-time{color:var(--muted);font-variant-numeric:tabular-nums;font-size:13px}.rec-wave{background:var(--panel2);border-radius:6px;padding:6px 4px;min-height:56px}.rec-controls{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.rec-play{width:42px;height:42px;border-radius:8px;border:none;background:var(--accent);color:#fff;font-size:16px;cursor:pointer}.rec-play:hover:not(:disabled){background:var(--accent2)}.rec-play:disabled{opacity:.5;cursor:default}.mode-card{flex:1;min-width:220px;cursor:pointer;margin:0;background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:12px 14px;color:var(--text);text-transform:none;font-size:14px;font-weight:500}.mode-card.active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.mode-card input[type=radio]{width:auto;margin:0}.summary-box{background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:14px 16px;color:var(--text);font-size:14px}