:root{
  --bg:#f5f7fb; --card:#ffffff; --text:#111827; --muted:#6b7280; --line:#e5e7eb;
  --primary:#0f766e; --primary-2:#14b8a6; --danger:#dc2626; --shadow:0 20px 60px rgba(15,23,42,.08);
}
*{box-sizing:border-box} body{margin:0;background:var(--bg);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text)}
a{color:inherit;text-decoration:none}.app-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:#0b1220;color:#fff;padding:26px 20px;display:flex;flex-direction:column;gap:24px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;min-height:72px}.brand img{max-width:190px;max-height:70px;object-fit:contain}.brand-logo{font-size:34px;font-weight:900;letter-spacing:-2px;color:#2dd4bf;line-height:1}.brand-sub{font-size:12px;font-weight:700;letter-spacing:4px;color:#d1d5db}.powered{font-size:11px;color:#9ca3af;margin-top:3px}.nav{display:flex;flex-direction:column;gap:8px}.nav-item{display:flex;align-items:center;gap:12px;color:#cbd5e1;padding:12px 14px;border-radius:12px;font-weight:650}.nav-item:hover,.nav-item.active{background:rgba(45,212,191,.14);color:#fff}.nav-item span{width:24px;text-align:center}.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.12);padding-top:18px}.user-mini strong,.user-mini small{display:block}.user-mini small{color:#9ca3af;margin-top:4px;word-break:break-all}.logout{display:inline-flex;margin-top:14px;color:#fca5a5;font-weight:700}.main{padding:34px;min-width:0}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}.topbar h1{margin:0;font-size:30px;letter-spacing:-.04em}.topbar p{margin:6px 0 0;color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);margin-bottom:22px;overflow:hidden}.card-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 24px;border-bottom:1px solid var(--line)}.card-header h2{margin:0;font-size:19px}.card-header p{margin:5px 0 0;color:var(--muted)}.card-body{padding:24px}.section-title{font-weight:850;font-size:17px;margin:26px 0 14px}.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.kpi-row{margin-bottom:22px}.stat{border:1px solid var(--line);border-radius:18px;padding:20px;background:linear-gradient(180deg,#fff,#fbfdff)}.stat.active{border-color:rgba(20,184,166,.35);background:linear-gradient(180deg,#ecfdf5,#fff)}.stat .icon{font-size:22px;margin-bottom:8px}.stat label{display:block;color:var(--muted);font-weight:700;font-size:13px}.stat strong{display:block;font-size:34px;line-height:1.1;margin:8px 0}.stat small{color:var(--muted)}.field{margin-bottom:16px}.field label{display:block;font-weight:750;margin-bottom:8px}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 13px;background:#fff;color:var(--text);font:inherit}textarea{min-height:150px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.help{display:block;color:var(--muted);font-size:12.5px;margin-top:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:12px;padding:10px 14px;background:#fff;font-weight:800;cursor:pointer;min-height:40px}.btn:hover{filter:brightness(.98)}.btn-primary{border-color:transparent;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}.btn-danger{background:var(--danger);color:#fff;border-color:transparent}.btn-small{padding:7px 10px;min-height:32px;border-radius:9px;font-size:12px}.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.filters{display:flex;gap:10px;align-items:center}.filters input{max-width:520px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.tab{padding:9px 12px;border-radius:999px;border:1px solid var(--line);font-weight:750;color:var(--muted)}.tab.active{background:#0b1220;color:#fff;border-color:#0b1220}.table-wrap{overflow:auto}.table{width:100%;border-collapse:separate;border-spacing:0}.table th,.table td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.table th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.table small{color:var(--muted)}.badge{display:inline-flex;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:850}.badge-green{background:#dcfce7;color:#166534}.badge-red{background:#fee2e2;color:#991b1b}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-yellow{background:#fef3c7;color:#92400e}.badge-purple{background:#ede9fe;color:#6d28d9}.badge-gray{background:#f3f4f6;color:#374151}.alert{padding:13px 15px;border-radius:14px;margin-bottom:16px;border:1px solid}.alert-success{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}.alert-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.alert-info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}.empty{text-align:center;color:var(--muted);padding:34px}.empty-icon{font-size:34px;margin-bottom:8px}.note{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:16px;padding:14px 16px;margin-bottom:20px;font-weight:650}.message-preview{white-space:pre-wrap;background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:18px;line-height:1.55}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}.media-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.media-preview{height:180px;background:#f3f4f6;display:flex;align-items:center;justify-content:center}.media-preview img,.media-preview video{width:100%;height:100%;object-fit:cover}.media-meta{padding:14px}.media-meta strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-inline{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:end;margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}.danger-zone{border-color:#fecaca}.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-weight:700}.pill input{width:auto}.logo-thumb{max-width:80px;max-height:42px;object-fit:contain}.logo-empty{font-size:12px;color:var(--muted)}.stack-actions{display:flex;flex-direction:column;gap:8px}.mini-upload{display:flex;gap:8px;align-items:center}.mini-upload input{max-width:220px}.brand-preview-box{height:130px;border:1px dashed var(--line);border-radius:18px;display:flex;align-items:center;justify-content:center;background:#f8fafc;margin-bottom:12px}.brand-preview-box img{max-width:260px;max-height:100px;object-fit:contain}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 20%,rgba(20,184,166,.25),transparent 30%),#0b1220;padding:24px}.login-card{width:100%;max-width:430px;background:#fff;border-radius:24px;padding:34px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.login-brand{text-align:center;margin-bottom:20px}.login-card h1{margin:0;text-align:center}.login-card p{text-align:center;color:var(--muted);margin-bottom:24px}.file-placeholder{color:var(--muted);font-weight:800}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.main{padding:22px}.grid-3,.grid-4,.form-row,.upload-inline{grid-template-columns:1fr}.topbar{flex-direction:column}.filters{flex-direction:column;align-items:stretch}.mini-upload{flex-direction:column;align-items:stretch}.card-header{flex-direction:column;align-items:flex-start}}