:root{--bg:#f4f6f9;--panel:#fff;--text:#172033;--muted:#667085;--line:#e4e7ec;--primary:#2563eb;--primary-hover:#1d4ed8;--danger:#dc2626;--success:#16865b;--radius:12px;--shadow:0 8px 24px rgba(16,24,40,.06)}
*{box-sizing:border-box}html{font-size:16px}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}.admin-shell{min-height:100vh}.admin-header{height:64px;padding:0 32px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:space-between}.admin-brand{font-size:18px;font-weight:700}.admin-main{width:min(1240px,calc(100% - 48px));margin:28px auto 48px}.page-head,.toolbar,.actions,.status-line{display:flex;align-items:center;gap:12px}.page-head{justify-content:space-between;margin-bottom:20px}.page-title{margin:0;font-size:24px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.toolbar{justify-content:space-between;margin-bottom:18px;flex-wrap:wrap}.search-box{width:min(360px,100%);position:relative}.input,.select,.textarea{width:100%;border:1px solid #d0d5dd;border-radius:8px;background:#fff;color:var(--text);padding:10px 12px;outline:none;transition:.18s}.textarea{min-height:112px;resize:vertical}.input:focus,.select:focus,.textarea:focus{border-color:#84adff;box-shadow:0 0 0 3px #eff4ff}.btn{border:1px solid transparent;border-radius:8px;padding:9px 14px;display:inline-flex;align-items:center;justify-content:center;gap:7px;cursor:pointer;font-weight:600;background:#fff;transition:.18s}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{border-color:#d0d5dd;color:#344054}.btn-danger{color:var(--danger);border-color:#fecaca}.btn-sm{padding:6px 10px;font-size:13px}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;min-width:820px}.data-table th{background:#f8fafc;color:#475467;text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.03em}.data-table th,.data-table td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:middle}.data-table tbody tr:hover{background:#fafcff}.app-cell{display:flex;align-items:center;gap:12px}.app-icon{width:42px;height:42px;border-radius:10px;object-fit:cover;background:#eef2f6}.badge{display:inline-flex;border-radius:999px;padding:3px 9px;font-size:12px;font-weight:600}.badge-live{background:#ecfdf3;color:#027a48}.badge-offline{background:#f2f4f7;color:#475467}.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}.pagination{display:flex;justify-content:flex-end;gap:6px;margin-top:18px}.pagination button{min-width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:7px;cursor:pointer}.pagination button[aria-current="page"]{background:var(--primary);color:#fff;border-color:var(--primary)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.field{display:flex;flex-direction:column;gap:7px}.field-full{grid-column:1/-1}.field-label{font-weight:600}.required{color:var(--danger)}.help{font-size:12px;color:var(--muted)}.dropzone{border:1.5px dashed #98a2b3;border-radius:10px;padding:24px;text-align:center;background:#fafcff;cursor:pointer;transition:.18s}.dropzone.is-dragover{border-color:var(--primary);background:#eff6ff}.upload-preview{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px;margin-top:14px}.preview-item{position:relative;aspect-ratio:1;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#f2f4f7}.preview-item img{width:100%;height:100%;object-fit:cover}.rich-editor{border:1px solid #d0d5dd;border-radius:9px;overflow:hidden;background:#fff}.rich-toolbar{display:flex;gap:4px;padding:8px;border-bottom:1px solid var(--line);background:#f8fafc;flex-wrap:wrap}.rich-toolbar button{border:0;background:transparent;border-radius:5px;min-width:32px;height:30px;cursor:pointer}.rich-toolbar button:hover{background:#e8eef7}.rich-content{min-height:220px;padding:14px;outline:none}.toast{position:fixed;left:50%;bottom:28px;z-index:1000;transform:translate(-50%,16px);background:#101828;color:#fff;padding:10px 16px;border-radius:8px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.22s}.toast.is-visible{opacity:1;transform:translate(-50%,0)}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);padding:32px}.login-card .field{margin:18px 0}.login-card .btn{width:100%}.alert{padding:11px 14px;border-radius:8px;margin-bottom:16px}.alert-error{background:#fef2f2;color:#b42318;border:1px solid #fecaca}@media(max-width:760px){.admin-header{padding:0 18px}.admin-main{width:calc(100% - 24px);margin-top:18px}.panel{padding:16px}.form-grid{grid-template-columns:1fr}.page-head{align-items:flex-start}.actions{flex-wrap:wrap}}

/* Root PHP templates compatibility */
.topbar{height:64px;padding:0 32px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700}.brand-mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--primary);color:#fff;font-weight:800}.container{width:min(1240px,calc(100% - 48px));margin:28px auto 48px}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:20px}.page-heading h1,.login-card h1{margin:0}.eyebrow{color:var(--primary);font-size:11px;font-weight:800;letter-spacing:.12em}.muted{color:var(--muted)}.button{border:1px solid #d0d5dd;border-radius:8px;padding:9px 14px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-weight:600;background:#fff}.button-primary{background:var(--primary);border-color:var(--primary);color:#fff}.button-danger{color:var(--danger);border-color:#fecaca}.button-small{padding:6px 9px;font-size:12px}.button-ghost{background:transparent;color:inherit}.button-block{width:100%}.stack-form{display:grid;gap:16px}.stack-form label{display:grid;gap:7px;font-weight:600}.stack-form input,.search-box input{width:100%;border:1px solid #d0d5dd;border-radius:8px;padding:11px 12px}.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.login-card>.brand-mark{margin-bottom:22px}.alert-success{background:#ecfdf3;color:#027a48;border:1px solid #abefc6}.toolbar{justify-content:flex-start}.search-box{display:flex;align-items:center;gap:8px}.search-box input{width:320px}table{width:100%;border-collapse:collapse;min-width:880px}th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left}.actions-cell{text-align:right}.row-actions{display:flex;justify-content:flex-end;gap:6px;align-items:center}.row-actions form{margin:0}.status{display:inline-flex;border-radius:999px;padding:3px 9px;font-size:12px;font-weight:600}.status-online{background:#ecfdf3;color:#027a48}.status-offline{background:#f2f4f7;color:#475467}.pagination a{min-width:36px;height:36px;border:1px solid var(--line);border-radius:7px;display:grid;place-items:center}.pagination a.active{background:var(--primary);color:#fff}.empty-state{display:grid;gap:6px}.preview-item input{position:absolute;right:6px;bottom:6px}.dropzone input[type=file]{max-width:100%}@media(max-width:760px){.topbar{padding:0 16px}.container{width:calc(100% - 24px)}.page-heading{align-items:flex-start;gap:16px}.row-actions{justify-content:flex-start;flex-wrap:wrap}}