@import url("https://fonts.googleapis.com/css2?family=Pretendard:wght@400;500;600;700;800&display=swap");:root{--bg:#0f0f14;--bg-card:#1a1a24;--bg-sidebar:#12121a;--bg-hover:#22223a;--text:#e8e8f0;--text-muted:#8888a0;--accent:#6c5ce7;--accent-glow:rgba(108,92,231,.25);--success:#00d68f;--warning:#ffaa00;--danger:#ff5252;--border:#2a2a3e;--radius:12px;--sidebar-w:260px}*{margin:0;padding:0;box-sizing:border-box}body,html{height:100%;font-family:Pretendard,-apple-system,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.admin-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-header{padding:24px 20px;border-bottom:1px solid var(--border)}.sidebar-header h1{font-size:20px;font-weight:800;background:linear-gradient(135deg,var(--accent),#a29bfe);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-header span{font-size:11px;color:var(--text-muted);display:block;margin-top:4px}.sidebar-nav{flex:1 1;padding:12px 8px;overflow-y:auto}.sidebar-section{margin-bottom:20px}.sidebar-section-title{font-size:10px;font-weight:600;text-transform:uppercase;color:var(--text-muted);padding:8px 12px;letter-spacing:1.2px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-muted);transition:all .15s;cursor:pointer}.sidebar-link:hover{background:var(--bg-hover);color:var(--text)}.sidebar-link.active{background:var(--accent-glow);color:var(--accent);font-weight:600}.sidebar-link .icon{font-size:18px;width:24px;text-align:center}.sidebar-link .badge{margin-left:auto;background:var(--danger);color:#fff;font-size:11px;padding:2px 7px;border-radius:10px;font-weight:600}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}.main-content{margin-left:var(--sidebar-w);flex:1 1;padding:28px 32px;min-height:100vh}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.page-header h2{font-size:24px;font-weight:700}.page-header .subtitle{font-size:13px;color:var(--text-muted);margin-top:4px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.card-grid{display:grid;grid-gap:20px;gap:20px}.card-grid-4{grid-template-columns:repeat(4,1fr)}.card-grid-3{grid-template-columns:repeat(3,1fr)}.card-grid-2{grid-template-columns:repeat(2,1fr)}.stat-card{text-align:center}.stat-value{font-size:32px;font-weight:800;margin:8px 0 4px}.stat-label{font-size:13px;color:var(--text-muted)}.stat-icon{font-size:28px}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:12px 16px;font-size:11px;font-weight:600;text-transform:uppercase;color:var(--text-muted);letter-spacing:.8px}.data-table td,.data-table th{border-bottom:1px solid var(--border)}.data-table td{padding:14px 16px;font-size:14px}.data-table tr:hover td{background:var(--bg-hover)}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:all .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#5a4bd1;transform:translateY(-1px);box-shadow:0 4px 16px var(--accent-glow)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:12px}.badge{display:inline-block;padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600}.badge-success{background:rgba(0,214,143,.15);color:var(--success)}.badge-warning{background:rgba(255,170,0,.15);color:var(--warning)}.badge-danger{background:rgba(255,82,82,.15);color:var(--danger)}.badge-info{background:rgba(108,92,231,.15);color:var(--accent)}.badge-muted{background:rgba(136,136,160,.15);color:var(--text-muted)}.form-group{margin-bottom:20px}.form-label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-muted)}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;outline:none;transition:border-color .15s;font-family:inherit}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent)}.form-textarea{min-height:120px;resize:vertical}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:28px;width:90%;max-width:560px;max-height:80vh;overflow-y:auto}.modal h3{font-size:20px;font-weight:700;margin-bottom:20px}.tabs{display:flex;gap:4px;margin-bottom:24px;padding:4px;background:var(--bg);border-radius:10px}.tab-btn{flex:1 1;padding:10px 16px;border-radius:8px;font-size:13px;font-weight:600;background:transparent;border:none;color:var(--text-muted);cursor:pointer;transition:all .15s}.tab-btn.active{background:var(--accent);color:#fff}.tab-btn:hover:not(.active){color:var(--text)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f0f14,#1a1a30)}.login-card{width:400px;padding:40px;background:var(--bg-card);border:1px solid var(--border);border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.5)}.login-card h1{font-size:28px;font-weight:800;text-align:center;margin-bottom:8px;background:linear-gradient(135deg,var(--accent),#a29bfe);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.login-card .sub{font-size:13px;color:var(--text-muted);text-align:center;margin-bottom:32px}.login-error{background:rgba(255,82,82,.12);color:var(--danger);padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state .icon{font-size:48px;margin-bottom:12px}.empty-state p{font-size:14px}@media (max-width:1200px){.card-grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.sidebar{display:none}.main-content{margin-left:0;padding:16px}.card-grid-2,.card-grid-3,.card-grid-4{grid-template-columns:1fr}}