.table-panel[data-v-8b50908e]{border:1px solid var(--line);border-radius:8px;background:var(--surface)}.table-panel__head[data-v-8b50908e]{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}.table-panel__head h2[data-v-8b50908e]{margin:0;color:var(--ink);font-size:17px}.table-panel__head button[data-v-8b50908e]{border:0;border-radius:6px;background:var(--primary);color:#fff;padding:9px 14px;font-weight:700}.table-wrap[data-v-8b50908e]{overflow-x:auto}table[data-v-8b50908e]{width:100%;border-collapse:collapse;font-size:14px}th[data-v-8b50908e],td[data-v-8b50908e]{padding:14px 20px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line)}th[data-v-8b50908e]{color:var(--muted);font-weight:700;background:#f9fafb}td[data-v-8b50908e]{color:var(--text)}.stat-card[data-v-7b09f308]{min-height:104px;padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.stat-card span[data-v-7b09f308]{display:block;color:var(--muted);font-size:14px}.stat-card strong[data-v-7b09f308]{display:block;margin-top:12px;color:var(--ink);font-size:30px;line-height:1}.stat-card.blue[data-v-7b09f308]{border-top:3px solid var(--primary)}.stat-card.green[data-v-7b09f308]{border-top:3px solid var(--success)}.stat-card.amber[data-v-7b09f308]{border-top:3px solid var(--accent)}.stat-card.red[data-v-7b09f308]{border-top:3px solid var(--danger)}:root{--bg: #f3f4f6;--surface: #ffffff;--line: #e5e7eb;--ink: #111827;--text: #374151;--muted: #6b7280;--primary: #1677ff;--success: #07c160;--accent: #f59e0b;--danger: #dc2626}*{box-sizing:border-box}body{margin:0;min-width:1180px;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif}button,a{font:inherit}.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#111827;color:#d1d5db;padding:28px 18px}.brand{display:grid;gap:4px;margin-bottom:34px;padding:0 10px}.brand span{color:#93c5fd;font-size:14px}.brand strong{color:#fff;font-size:24px}.sidebar nav{display:grid;gap:8px}.sidebar a{border-radius:8px;padding:12px 14px;color:inherit;text-decoration:none;cursor:default}.sidebar a.active,.sidebar a:hover{background:#1f2937;color:#fff}.content{padding:28px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.topbar p{margin:0 0 6px;color:var(--muted);font-size:14px}.topbar h1{margin:0;color:var(--ink);font-size:28px}.loading{border-radius:999px;background:#eff6ff;color:var(--primary);padding:8px 14px;font-size:13px;font-weight:700}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}.tables{display:grid;gap:18px}.manager-panel{border:1px solid var(--line);border-radius:8px;background:var(--surface)}.manager-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid var(--line)}.manager-head h2{margin:0 0 4px;color:var(--ink);font-size:17px}.manager-head p{margin:0;color:var(--muted);font-size:13px}.teacher-form{display:grid;grid-template-columns:minmax(180px,1.2fr) minmax(180px,1.2fr) minmax(120px,.7fr) 112px;gap:12px;align-items:end;padding:18px 20px;border-bottom:1px solid var(--line)}.form-field{display:grid;gap:8px;min-width:0}.form-field span{color:var(--muted);font-size:13px;font-weight:700}.form-field input,.form-field select{width:100%;height:40px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);padding:0 12px;outline:none}.form-field input:focus,.form-field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1677ff1f}.primary-button,.ghost-button,.table-action{border:0;border-radius:6px;cursor:pointer;font-weight:700}.primary-button{height:40px;background:var(--primary);color:#fff}.primary-button:disabled{cursor:not-allowed;opacity:.6}.ghost-button{border:1px solid var(--line);background:#fff;color:var(--text);padding:8px 12px}.error-text{margin:0;padding:0 20px 14px;color:var(--danger);font-size:13px;font-weight:700}.teacher-table-wrap{border-top:0}.teacher-table{width:100%;border-collapse:collapse;font-size:14px}.teacher-table th,.teacher-table td{padding:14px 20px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line)}.teacher-table th{color:var(--muted);font-weight:700;background:#f9fafb}.status-pill{display:inline-flex;align-items:center;justify-content:center;min-width:52px;height:26px;border-radius:999px;font-size:12px;font-weight:700}.status-pill.active{background:#ecfdf3;color:#047857}.status-pill.inactive{background:#f3f4f6;color:#4b5563}.row-actions{display:flex;gap:8px}.table-action{border:1px solid var(--line);background:#fff;color:var(--primary);padding:7px 10px}