:root{--bg:#f5f6f8;--surface:#fff;--ink:#0f172a;--muted:#475569;--border:#e2e8f0;--accent:#1d4ed8;--accent-soft:#dbeafe}*{box-sizing:border-box}html,body{background:radial-gradient(circle at 0% 0%,#dbeafe 0%,var(--bg)45%);color:var(--ink);margin:0;padding:0;font-family:Space Grotesk,Inter,sans-serif}a{color:inherit;text-decoration:none}.admin-layout{grid-template-columns:260px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--border);background:var(--surface);padding:20px}.sidebar nav{flex-direction:column;gap:8px;margin-top:20px;display:flex}.sidebar-link{color:var(--muted);border-radius:10px;padding:10px 12px;font-weight:600}.sidebar-link.active{background:var(--accent-soft);color:#1e3a8a}.content{flex-direction:column;display:flex}.topbar{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffffd9;justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex}.main{padding:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px}.grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);padding:10px;font-size:14px}.input,.select,.button,.textarea{border:1px solid var(--border);background:#fff;border-radius:10px;padding:8px 10px;font-size:14px}.button{cursor:pointer;font-weight:600}.button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.avatar{background:var(--accent-soft);color:#1e3a8a;border-radius:999px;justify-content:center;align-items:center;width:28px;height:28px;font-weight:700;display:inline-flex}.skeleton{background:linear-gradient(90deg,#edf2f7 20%,#f8fafc 50%,#edf2f7 80%) 0 0/300% 100%;border-radius:8px;animation:1.4s infinite pulse}.toast-stack{z-index:1000;gap:8px;display:grid;position:fixed;bottom:16px;right:16px}.toast{border:1px solid var(--border);background:#fff;border-radius:10px;min-width:260px;max-width:360px;padding:10px 12px;font-size:13px;box-shadow:0 8px 24px #0206171f}.toast.success{background:#f0fdf4;border-color:#86efac}.toast.error{background:#fef2f2;border-color:#fca5a5}@keyframes pulse{0%{background-position:100% 0}to{background-position:0 0}}.filters{flex-wrap:wrap;gap:8px;margin:14px 0;display:flex}@media (max-width:980px){.admin-layout{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--border)}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar{flex-wrap:wrap;gap:8px;height:auto;padding:12px}}