:root{--primary:#003d99;--secondary:#0052cc;--bg:#f4f6f9;--dark:#202734}body{background:var(--bg);font-family:Inter,Segoe UI,Arial,sans-serif;color:#273142}.app-shell{display:flex;min-height:100vh}.sidebar{width:250px;position:fixed;inset:0 auto 0 0;background:linear-gradient(180deg,#1f2937,#111827);color:#fff;z-index:1040;overflow-y:auto}.sidebar-brand{padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.1);background:linear-gradient(135deg,var(--primary),var(--secondary))}.sidebar-brand a{color:#fff;text-decoration:none;font-weight:700;display:flex;gap:10px;align-items:center}.sidebar-nav{padding:14px}.sidebar-nav a{display:block;color:#d1d5db;text-decoration:none;padding:11px 12px;border-radius:8px;margin:3px 0}.sidebar-nav a:hover,.sidebar-nav a.active{background:rgba(255,255,255,.1);color:#fff}.sidebar-nav i{width:22px}.main-content{margin-left:250px;min-width:0;flex:1}.topbar{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid #e5e7eb;padding:12px 18px;display:flex;align-items:center;gap:8px}.content{padding:24px}.footer{background:#fff;border-top:1px solid #e5e7eb;padding:16px 24px;font-size:12px;color:#6b7280}.stat-card,.card{background:#fff;border:0;border-radius:12px;box-shadow:0 5px 22px rgba(15,23,42,.07)}.stat-card{padding:20px;height:100%}.stat-icon{font-size:22px;margin-bottom:10px}.stat-number{font-size:30px;font-weight:800}.stat-label{color:#6b7280}.table thead th{white-space:nowrap}.public-card{max-width:900px;margin:30px auto}.share-row{display:flex;flex-wrap:wrap;gap:8px}.ad-slot{min-height:90px;display:flex;align-items:center;justify-content:center}.ad-placeholder{font-size:11px;color:#adb5bd;border:1px dashed #ced4da;padding:8px 16px}.brand-badge{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border-radius:999px;background:#eef4ff;color:var(--primary);font-size:12px;font-weight:700}.form-control:focus,.form-select:focus{border-color:var(--secondary);box-shadow:0 0 0 .2rem rgba(0,82,204,.1)}@media(max-width:767.98px){.sidebar{transform:translateX(-100%);transition:transform .2s}.sidebar.show{transform:translateX(0)}.main-content{margin-left:0}.content{padding:16px}}