:root{--primary:#007aff;--primary-hover:#0066d6;--success:#34c759;--warning:#ff9500;--error:#ff3b30;--text-primary:#1d1d1f;--text-secondary:#86868b;--border:#e5e5e5;--bg:#f5f5f7;--sidebar-bg:#1d1d1f;--sidebar-width:180px;--radius-sm:6px;--radius-md:8px;--font:-apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text-primary);font-size:14px}a{color:inherit;text-decoration:none}.admin-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);z-index:200;flex-direction:column;height:100vh;padding:12px 0;display:flex;position:fixed;top:0;left:0}.sidebar-logo{align-items:center;gap:10px;margin-bottom:20px;padding:8px 16px;display:flex}.logo-icon{font-size:24px}.logo-text{color:#fff;font-size:15px;font-weight:700}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:0 8px;display:flex}.sidebar-item{border-radius:var(--radius-sm);cursor:pointer;color:#ffffff80;white-space:nowrap;align-items:center;gap:10px;height:40px;padding:0 12px;font-size:14px;transition:all .15s;display:flex}.sidebar-item:hover{color:#fff;background:#ffffff1a}.sidebar-item.active{background:var(--primary);color:#fff}.sidebar-icon{text-align:center;width:20px;font-size:16px}.sidebar-bottom{padding:0 8px}.main-content{margin-left:var(--sidebar-width);flex-direction:column;flex:1;display:flex}.topbar{z-index:100;border-bottom:1px solid var(--border);background:#fff;justify-content:space-between;align-items:center;height:48px;padding:0 24px;display:flex;position:sticky;top:0}.breadcrumb{align-items:center;gap:6px;font-size:13px;display:flex}.breadcrumb-item{color:var(--text-secondary)}.breadcrumb-item:hover{color:var(--primary)}.breadcrumb-sep{color:var(--text-secondary)}.breadcrumb-current{color:var(--text-primary);font-weight:500}.admin-name{color:var(--text-secondary);font-size:13px}.page-content{flex:1;padding:24px}.page-title{margin-bottom:20px;font-size:20px;font-weight:700}.card{border-radius:var(--radius-md);border:1px solid var(--border);background:#fff;margin-bottom:16px;padding:20px}.card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.card-title{font-size:15px;font-weight:600}.btn{border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:500;font-family:var(--font);border:none;align-items:center;gap:6px;padding:8px 16px;transition:all .15s;display:inline-flex}.btn:active{opacity:.7}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{color:var(--text-primary);background:#f0f0f0}.btn-danger{color:var(--error);background:#fff0f0}.btn-sm{padding:5px 10px;font-size:12px}.data-table{border-collapse:collapse;width:100%}.data-table th{text-align:left;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);background:#fafafa;padding:10px 12px;font-size:12px;font-weight:600}.data-table td{vertical-align:middle;border-bottom:1px solid #f0f0f0;padding:12px;font-size:14px}.data-table tr:hover{background:#fafafa}.badge{border-radius:10px;padding:2px 8px;font-size:12px;font-weight:500;display:inline-block}.badge-success{color:#1b873b;background:#e8f8ee}.badge-warning{color:#e65100;background:#fff3e0}.badge-error{color:#c62828;background:#ffebee}.badge-info{color:#1565c0;background:#e3f2fd}.badge-gray{color:var(--text-secondary);background:#f0f0f0}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);margin-bottom:4px;font-size:13px;font-weight:500;display:block}.form-input{border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;height:36px;color:var(--text-primary);font-size:14px;font-family:var(--font);padding:0 10px;transition:border-color .15s}.form-input:focus{border-color:var(--primary);outline:none}.form-row{gap:16px;display:flex}.form-row .form-group{flex:1}.modal-overlay{z-index:2000;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-box{background:#fff;border-radius:12px;width:480px;max-width:90vw;max-height:80vh;padding:24px;overflow-y:auto}.modal-title{margin-bottom:16px;font-size:17px;font-weight:700}.modal-footer{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.pagination{color:var(--text-secondary);justify-content:space-between;align-items:center;padding:12px 0;font-size:13px;display:flex}.pagination-controls{gap:4px;display:flex}.page-btn{border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer;background:#fff;justify-content:center;align-items:center;min-width:32px;height:32px;font-size:13px;display:flex}.page-btn:hover{border-color:var(--primary);color:var(--primary)}.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.page-btn:disabled{opacity:.4;cursor:not-allowed}.tabs{border-bottom:1px solid var(--border);gap:0;margin-bottom:20px;display:flex}.tab-btn{cursor:pointer;color:var(--text-secondary);font-size:14px;font-weight:500;font-family:var(--font);background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 20px;transition:all .15s}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{border-radius:var(--radius-md);border:1px solid var(--border);background:#fff;padding:20px}.stat-label{color:var(--text-secondary);margin-bottom:8px;font-size:13px}.stat-value{color:var(--text-primary);font-size:28px;font-weight:700}.toast-container{z-index:9999;position:fixed;top:20px;right:20px}.toast{color:#fff;border-radius:var(--radius-sm);background:#333;margin-bottom:8px;padding:10px 20px;font-size:14px;animation:.3s slideIn}.toast.success{background:var(--success)}.toast.error{background:var(--error)}.toast.warning{background:var(--warning)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.text-secondary{color:var(--text-secondary)}.text-primary{color:var(--text-primary)}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.flex{display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.gap-8{gap:8px}.gap-16{gap:16px}.tree-layout{gap:0;height:calc(100vh - 120px);margin:-24px;display:flex}.tree-panel{border-right:1px solid var(--border);background:#fff;flex-direction:column;flex-shrink:0;width:260px;display:flex;overflow:hidden}.tree-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.tree-body{flex:1;padding:8px 0;overflow-y:auto}.tree-footer{border-top:1px solid var(--border);padding:12px 16px}.tree-item{cursor:pointer;align-items:center;gap:6px;padding:8px 16px;font-size:14px;transition:background .15s;display:flex}.tree-item:hover{background:#f5f5f7}.tree-item.active{color:var(--primary);background:#007aff14;font-weight:500}.tree-sub{padding-left:28px}.tree-sub .tree-item{color:var(--text-secondary);padding:6px 16px;font-size:13px}.content-panel{background:var(--bg);flex:1;padding:24px;overflow-y:auto}.info-card{border-radius:var(--radius-md);border:1px solid var(--border);background:#fff;margin-bottom:16px;padding:16px}.info-row{padding:6px 0;font-size:14px;display:flex}.info-label{width:80px;color:var(--text-secondary);flex-shrink:0}.info-value{color:var(--text-primary);font-weight:500}.room-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:8px;display:grid}.room-tag{border-radius:var(--radius-sm);text-align:center;color:#fff;cursor:default;padding:10px 8px;font-size:13px;font-weight:600}.room-tag.available{background:var(--success)}.room-tag.locked{background:var(--warning)}.room-tag.signed{background:var(--primary)}.room-tag.moved_in{background:#5856d6}.type-cards{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;display:grid}.type-card{border-radius:var(--radius-md);border:1px solid var(--border);cursor:pointer;background:#fff;padding:16px;transition:all .15s}.type-card:hover{border-color:var(--primary);box-shadow:0 2px 8px #007aff1a}.empty-hint{text-align:center;color:var(--text-secondary);padding:40px 20px;font-size:14px}.detail-panel{z-index:1500;background:#fff;flex-direction:column;width:420px;height:100vh;display:flex;position:fixed;top:0;right:0;overflow:hidden;box-shadow:-4px 0 20px #0000001a}.detail-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.detail-body{flex:1;padding:20px;overflow-y:auto}.detail-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;padding:16px 20px;display:flex}.search-wrap{align-items:center;display:inline-flex;position:relative}.search-wrap input{border:1px solid var(--border);border-radius:var(--radius-sm);width:200px;height:32px;padding:0 10px 0 30px;font-size:13px}.search-icon{color:var(--text-secondary);font-size:14px;position:absolute;left:8px}.room-legend{color:var(--text-secondary);gap:16px;margin-bottom:14px;font-size:12px;display:flex}.room-legend-item{align-items:center;gap:4px;display:flex}.room-legend-dot{border-radius:3px;width:10px;height:10px}