*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f0f2f5;color:#1c1e21;font-size:14px}.app{display:flex;min-height:100vh}.sidebar{width:200px;background:#1877f2;color:#fff;display:flex;flex-direction:column;padding:16px 0;position:fixed;top:0;left:0;bottom:0}.sidebar .logo{font-size:18px;font-weight:700;padding:0 20px 20px;border-bottom:1px solid rgba(255,255,255,.2);margin-bottom:8px}.sidebar a{display:block;padding:10px 20px;color:#ffffffd9;text-decoration:none;border-radius:0;transition:background .15s}.sidebar a:hover{background:#ffffff1a}.sidebar a.active{background:#fff3;color:#fff;font-weight:600}.content{margin-left:200px;padding:28px;flex:1;max-width:960px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h1{font-size:22px;font-weight:700}.card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 1px 4px #0000001a;margin-bottom:16px}.card-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-title{font-weight:600;font-size:15px}.card-meta{color:#65676b;font-size:13px;margin-top:4px}.btn{padding:8px 16px;border-radius:6px;border:none;cursor:pointer;font-size:13px;font-weight:600;transition:opacity .15s}.btn:hover{opacity:.85}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:#1877f2;color:#fff}.btn-danger{background:#fa3e3e;color:#fff}.btn-secondary{background:#e4e6eb;color:#1c1e21}.btn-success{background:#42b72a;color:#fff}.btn-sm{padding:5px 10px;font-size:12px}.form-group{margin-bottom:14px}.form-group label{display:block;font-weight:600;margin-bottom:5px;font-size:13px}.form-group input,.form-group textarea,.form-group select{width:100%;padding:9px 12px;border:1.5px solid #ddd;border-radius:6px;font-size:14px;font-family:inherit;background:#fff;transition:border-color .15s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:#1877f2}.form-group textarea{resize:vertical;min-height:90px}.form-hint{font-size:12px;color:#65676b;margin-top:4px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:12px;padding:28px;width:480px;max-width:95vw;box-shadow:0 8px 32px #00000026}.modal h2{font-size:18px;font-weight:700;margin-bottom:20px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid #e4e6eb;font-size:13px}.table th{font-weight:600;color:#65676b}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:#f7f8fa}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge-green{background:#e6f4ea;color:#1e7e34}.badge-gray{background:#e4e6eb;color:#65676b}.badge-blue{background:#e7f0fd;color:#1877f2}.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:13px}.alert-info{background:#e7f0fd;color:#1877f2}.alert-error{background:#fdecea;color:#c0392b}.empty{text-align:center;padding:40px 20px;color:#65676b}.empty-icon{font-size:40px;margin-bottom:12px}.tag-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.tag{background:#e4e6eb;padding:3px 10px;border-radius:12px;font-size:12px}.toggle{position:relative;display:inline-block;width:38px;height:22px}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;right:0;bottom:0;left:0;background:#ccc;border-radius:22px;transition:.2s}.toggle-slider:before{content:"";position:absolute;width:16px;height:16px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.2s}.toggle input:checked+.toggle-slider{background:#1877f2}.toggle input:checked+.toggle-slider:before{transform:translate(16px)}.divider{border:none;border-top:1px solid #e4e6eb;margin:20px 0}.connect-box{border:2px dashed #1877f2;border-radius:10px;padding:32px;text-align:center;background:#f0f7ff}.connect-box p{color:#65676b;margin:10px 0 20px;font-size:14px}