:root{--primary: #1e40af;--primary-dark: #1e3a8a;--accent: #0ea5e9;--ink: #0f172a;--ink-2: #334155;--muted: #64748b;--muted-2: #94a3b8;--line: #e2e8f0;--line-2: #f1f5f9;--bg: #f1f5f9;--bg-card: #ffffff;--success: #16a34a;--warn: #d97706;--danger: #dc2626;--sidebar: #0f172a;--sidebar-hover: #1e293b;--radius: 12px;--shadow-sm: 0 1px 3px rgba(15,23,42,.08);--shadow: 0 4px 14px rgba(15,23,42,.1);--font: "Inter", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select,textarea{font-family:inherit;font-size:14px}ul{list-style:none}h1,h2,h3,h4{line-height:1.25;font-weight:700}img{max-width:100%;display:block}.admin-layout{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.sidebar{background:var(--sidebar);color:#cbd5e1;padding:18px 14px;position:fixed;width:248px;height:100vh;overflow-y:auto}.sidebar .brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:1.15rem;padding:6px 10px 18px}.sidebar .brand .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center}.nav-group{margin-top:14px}.nav-group-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:#475569;padding:6px 10px;font-weight:700}.sidebar a{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;font-weight:500;color:#cbd5e1;margin-bottom:2px;transition:background .14s,color .14s}.sidebar a:hover{background:var(--sidebar-hover);color:#fff}.sidebar a.active{background:var(--primary);color:#fff}.sidebar a .ico{width:18px;text-align:center}.main{grid-column:2;display:flex;flex-direction:column;height:100vh;overflow-y:auto}.topbar{background:var(--bg-card);border-bottom:1px solid var(--line);height:62px;display:flex;align-items:center;padding:0 26px;gap:16px;position:sticky;top:0;z-index:20;flex-shrink:0}.topbar h1{font-size:1.2rem}.topbar .spacer{flex:1}.topbar .user{display:flex;align-items:center;gap:10px;font-weight:600}.topbar .avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700}.content{padding:26px;max-width:1400px;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 16px;border-radius:9px;font-weight:600;font-size:.88rem;transition:all .15s;white-space:nowrap}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-outline{background:#fff;border:1.5px solid var(--line);color:var(--ink-2)}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn-ghost{background:var(--line-2);color:var(--ink-2)}.btn-ghost:hover{background:var(--line)}.btn-sm{padding:6px 11px;font-size:.8rem;border-radius:8px}.btn-lg{padding:12px 22px;font-size:.98rem}.btn-block{width:100%}.btn:disabled{opacity:.55;cursor:not-allowed}.card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.card-pad{padding:20px}.card-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.card-head h3{font-size:1rem}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm)}.stat-card .ico{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;font-size:1.3rem;margin-bottom:12px}.stat-card .num{font-size:1.8rem;font-weight:800}.stat-card .lbl{color:var(--muted);font-size:.84rem;font-weight:500}.table-wrap{overflow-x:auto}table.data{width:100%;border-collapse:collapse}table.data th{text-align:left;padding:12px 16px;font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);border-bottom:1px solid var(--line);background:var(--bg);font-weight:700}table.data td{padding:12px 16px;border-bottom:1px solid var(--line-2);vertical-align:middle}table.data tr:hover td{background:var(--bg)}table.data .thumb{width:48px;height:36px;border-radius:6px;object-fit:cover;background:var(--line-2)}.cell-title{font-weight:600;color:var(--ink)}.cell-sub{font-size:.8rem;color:var(--muted)}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:.74rem;font-weight:600}.badge-green{background:#dcfce7;color:#15803d}.badge-blue{background:#dbeafe;color:#1e40af}.badge-amber{background:#fef3c7;color:#b45309}.badge-red{background:#fee2e2;color:#b91c1c}.badge-gray{background:var(--line);color:var(--ink-2)}.field{margin-bottom:15px}.field label{display:block;font-size:.82rem;font-weight:600;margin-bottom:6px;color:var(--ink-2)}.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:9px;outline:none;background:#fff;color:var(--ink);transition:border-color .15s}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary)}.field textarea{resize:vertical;min-height:90px}.field .hint{font-size:.76rem;color:var(--muted);margin-top:4px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 18px}.checkbox{display:flex;align-items:center;gap:9px;font-weight:500;cursor:pointer;padding:7px 0}.checkbox input{width:17px;height:17px;accent-color:var(--primary)}.col-span-2{grid-column:span 2}.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}.toolbar input[type=search],.toolbar input.search{padding:9px 14px;border:1.5px solid var(--line);border-radius:9px;min-width:240px;background:#fff}.toolbar select{padding:9px 12px;border:1.5px solid var(--line);border-radius:9px;background:#fff;font-weight:500}.toolbar .spacer{flex:1}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#1e3a8a,#0ea5e9);padding:20px}.login-card{background:#fff;border-radius:18px;padding:38px;width:100%;max-width:400px;box-shadow:0 24px 60px #00000040}.login-card .brand{display:flex;align-items:center;gap:10px;justify-content:center;font-weight:800;font-size:1.3rem;color:var(--primary);margin-bottom:6px}.login-card .mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center}.login-card .sub{text-align:center;color:var(--muted);margin-bottom:26px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;z-index:100;display:grid;place-items:center;padding:20px;overflow-y:auto}.modal{background:#fff;border-radius:16px;width:100%;max-width:720px;max-height:92vh;overflow-y:auto;box-shadow:var(--shadow);margin:auto}.modal-head{padding:18px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:#fff;z-index:2}.modal-head h3{font-size:1.1rem}.modal-body{padding:24px}.modal-foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;position:sticky;bottom:0;background:#fff}.modal-lg{max-width:920px}.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:20px;overflow-x:auto}.tab{padding:10px 16px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.alert{padding:11px 15px;border-radius:9px;font-size:.86rem;font-weight:500;margin-bottom:14px}.alert-success{background:#dcfce7;color:#15803d}.alert-error{background:#fee2e2;color:#b91c1c}.alert-info{background:#dbeafe;color:#1e40af}.spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:50px auto}@keyframes spin{to{transform:rotate(360deg)}}.empty{text-align:center;padding:50px 20px;color:var(--muted)}.empty .emoji{font-size:2.6rem;margin-bottom:10px}.pagination{display:flex;gap:6px;justify-content:center;margin-top:22px}.pagination button{min-width:36px;height:36px;border-radius:8px;border:1.5px solid var(--line);font-weight:600;background:#fff}.pagination button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.pagination button:disabled{opacity:.5}.row{display:flex;align-items:center;gap:10px}.upload-box{border:2px dashed var(--line);border-radius:10px;padding:18px;text-align:center;cursor:pointer;transition:border-color .15s}.upload-box:hover{border-color:var(--primary)}.img-preview{width:100%;max-height:180px;object-fit:cover;border-radius:9px;margin-bottom:10px}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}.gallery-item{position:relative;aspect-ratio:4/3;border-radius:8px;overflow:hidden}.gallery-item img{width:100%;height:100%;object-fit:cover}.gallery-item button{position:absolute;top:4px;right:4px;background:#dc2626eb;color:#fff;width:24px;height:24px;border-radius:6px}.mobile-toggle{display:none}@media (max-width: 900px){.admin-layout{grid-template-columns:1fr}.sidebar{transform:translate(-100%);transition:transform .25s;z-index:50}.sidebar.open{transform:translate(0)}.main{grid-column:1}.mobile-toggle{display:inline-flex}.stat-grid{grid-template-columns:1fr 1fr}.form-grid,.form-grid-3{grid-template-columns:1fr}}