:root{--admin-primary: #3182F6;--admin-primary-dark: #1B64DA;--admin-sidebar-bg: #191F28;--admin-sidebar-text: #E5E8EB;--admin-bg: #F4F6F8;--admin-card: #FFFFFF;--admin-border: #E5E8EB;--admin-text-main: #191F28;--admin-text-sub: #4E5968;--admin-text-muted: #8B95A1;--admin-success: #03B26C;--admin-danger: #F04452;--admin-warning: #FF9F0A}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,sans-serif;background-color:var(--admin-bg);color:var(--admin-text-main);line-height:1.5;-webkit-font-smoothing:antialiased}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:240px;background:var(--admin-sidebar-bg);color:var(--admin-sidebar-text);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:22px 20px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}.sidebar-title{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.4px}.sidebar-menu{list-style:none;padding:16px 10px;display:flex;flex-direction:column;gap:4px}[data-serial-id]{position:relative}.sidebar-item{position:relative;display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;font-size:14px;font-weight:600;color:#9ca3af;cursor:pointer;border:none;background:none;width:100%;text-align:left;transition:all .15s}.sidebar-item .ui-serial-badge{top:-6px!important;left:8px!important;right:auto!important;transform:none!important}.sidebar-item .ui-serial-badge:hover{transform:scale(1.12)!important}.sidebar-item:hover{background:#ffffff0d;color:#fff}.sidebar-item.active{background:var(--admin-primary);color:#fff;font-weight:700}.admin-main{flex:1;display:flex;flex-direction:column;min-width:0}.admin-topbar{background:#fff;height:64px;border-bottom:1px solid var(--admin-border);padding:0 28px;display:flex;align-items:center;justify-content:space-between}.admin-content{padding:28px;flex:1;overflow-y:auto}.admin-card{background:#fff;border-radius:14px;padding:22px;border:1px solid var(--admin-border);box-shadow:0 2px 8px #00000005;margin-bottom:20px;position:relative}.admin-table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}.admin-table th{background:#f8f9fa;padding:12px 14px;color:var(--admin-text-sub);font-weight:700;border-bottom:1px solid var(--admin-border)}.admin-table td{padding:13px 14px;border-bottom:1px solid #F2F4F6;color:var(--admin-text-main)}.admin-table tr:hover td{background:#fbfbfc}.btn-primary{background:var(--admin-primary);color:#fff;border:none;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:700;cursor:pointer;transition:background .15s}.btn-primary:hover{background:var(--admin-primary-dark)}.btn-outline{background:#fff;color:var(--admin-text-main);border:1px solid var(--admin-border);padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer}.badge-live{background:#e6f8f0;color:#03b26c;font-size:11px;font-weight:800;padding:4px 10px;border-radius:20px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}@media (max-width: 1200px){.stat-grid{grid-template-columns:repeat(2,1fr)}}.stat-card{background:#fff;border-radius:14px;padding:20px;border:1px solid var(--admin-border);box-shadow:0 2px 8px #00000005;position:relative;transition:transform .15s ease,box-shadow .15s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px #0000000d}.stat-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.stat-title{font-size:13px;font-weight:700;color:var(--admin-text-sub)}.stat-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px}.stat-value{font-size:26px;font-weight:800;color:var(--admin-text-main);letter-spacing:-.5px;margin-bottom:8px}.stat-desc{font-size:12px;color:var(--admin-text-muted);display:flex;align-items:center;gap:6px}.dashboard-split{display:grid;grid-template-columns:1.5fr 1fr;gap:22px}@media (max-width: 1100px){.dashboard-split{grid-template-columns:1fr}}.dash-progress-track{width:100%;height:6px;background:#e5e7eb;border-radius:4px;overflow:hidden;margin-top:8px}.dash-progress-bar{height:100%;border-radius:4px;transition:width .4s ease}.activity-feed{list-style:none;display:flex;flex-direction:column;gap:14px}.activity-row{display:flex;align-items:flex-start;gap:12px;font-size:13px}.activity-time{font-size:11px;font-weight:700;color:var(--admin-text-muted);width:42px;flex-shrink:0;padding-top:2px}.activity-badge{font-size:10px;font-weight:800;padding:2px 7px;border-radius:6px;flex-shrink:0}.workshop-switcher-container{display:flex;align-items:center;gap:12px}.workshop-switcher-btn{display:flex;align-items:center;gap:8px;background:#f4f6f8;border:1px solid var(--admin-border);padding:8px 14px;border-radius:10px;font-size:13px;font-weight:700;color:var(--admin-text-main);cursor:pointer;transition:all .15s ease}.workshop-switcher-btn:hover{background:#eaeff5;border-color:#cbd5e1}.badge-status-live{display:inline-flex;align-items:center;gap:5px;background:#e6f8f0;color:#03b26c;font-size:11px;font-weight:800;padding:3px 9px;border-radius:20px}.badge-status-ready{display:inline-flex;align-items:center;gap:5px;background:#fff8e6;color:#d97706;font-size:11px;font-weight:800;padding:3px 9px;border-radius:20px}.badge-status-closed{display:inline-flex;align-items:center;gap:5px;background:#f1f3f5;color:#64748b;font-size:11px;font-weight:800;padding:3px 9px;border-radius:20px}.pulse-dot{width:7px;height:7px;border-radius:50%;background:#03b26c;animation:pulse-ring 1.5s cubic-bezier(.215,.61,.355,1) infinite}@keyframes pulse-ring{0%{transform:scale(.95);box-shadow:0 0 #03b26cb3}70%{transform:scale(1.1);box-shadow:0 0 0 6px #03b26c00}to{transform:scale(.95);box-shadow:0 0 #03b26c00}}.workshop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:20px;margin-top:20px}.workshop-card{background:#fff;border-radius:16px;border:1px solid var(--admin-border);box-shadow:0 2px 10px #00000008;padding:22px;display:flex;flex-direction:column;transition:all .2s ease;position:relative}.workshop-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #0000000f;border-color:#cbd5e1}.workshop-card.is-selected{border-color:var(--admin-primary);box-shadow:0 0 0 2px #3182f633}.workshop-card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.workshop-category-tag{font-size:11px;font-weight:700;color:var(--admin-primary);background:#eff6ff;padding:3px 8px;border-radius:6px}.workshop-card-title{font-size:17px;font-weight:800;color:var(--admin-text-main);letter-spacing:-.3px;line-height:1.4;margin-bottom:8px;cursor:pointer}.workshop-card-title:hover{color:var(--admin-primary)}.workshop-meta-row{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--admin-text-sub);margin-bottom:5px}.workshop-code-box{background:#f8fafc;border:1px dashed #CBD5E1;border-radius:8px;padding:10px 12px;display:flex;justify-content:space-between;align-items:center;margin:14px 0;font-size:12px}.workshop-code-item{display:flex;align-items:center;gap:6px}.workshop-code-val{font-family:monospace;font-weight:800;color:#1e293b;background:#e2e8f0;padding:2px 6px;border-radius:4px}.workshop-metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;background:#f8fafc;padding:12px;border-radius:10px;margin-bottom:16px;text-align:center}.workshop-metric-val{font-size:16px;font-weight:800;color:var(--admin-text-main)}.workshop-metric-lbl{font-size:11px;color:var(--admin-text-muted);font-weight:600;margin-top:2px}.workshop-card-footer{margin-top:auto;padding-top:14px;border-top:1px solid #F1F5F9;display:flex;justify-content:space-between;align-items:center;gap:8px}.filter-tab-group{display:flex;gap:6px;background:#f1f5f9;padding:4px;border-radius:10px}.filter-tab{padding:6px 14px;border-radius:8px;font-size:13px;font-weight:700;color:#64748b;border:none;background:none;cursor:pointer;transition:all .15s ease}.filter-tab.active{background:#fff;color:var(--admin-text-main);box-shadow:0 1px 3px #00000014}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172a8c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:9999;padding:20px}.modal-dialog{background:#fff;border-radius:18px;width:100%;max-width:620px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px #0003;display:flex;flex-direction:column}.modal-header{padding:20px 24px;border-bottom:1px solid var(--admin-border);display:flex;justify-content:space-between;align-items:center}.modal-title{font-size:18px;font-weight:800;color:var(--admin-text-main)}.modal-close-btn{background:none;border:none;font-size:20px;cursor:pointer;color:var(--admin-text-muted)}.modal-body{padding:24px;display:flex;flex-direction:column;gap:16px}.modal-footer{padding:18px 24px;border-top:1px solid var(--admin-border);display:flex;justify-content:flex-end;gap:10px;background:#fafbfd;border-bottom-left-radius:18px;border-bottom-right-radius:18px}.form-field{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:700;color:var(--admin-text-sub)}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border-radius:8px;border:1px solid var(--admin-border);font-size:14px;font-family:inherit;color:var(--admin-text-main);outline:none;transition:border-color .15s ease}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--admin-primary);box-shadow:0 0 0 3px #3182f626}.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}