/* Styling similar to previous version */
:root{
  --bg-start:#f7f7fb;
  --bg-end:#eef2ff;
  --card:#ffffff;
  --muted:#6b7280;
  --accent:#6b5cff;
  --radius:12px;
  --shadow: 0 8px 24px rgba(14,16,28,0.06);
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  color-scheme: light;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:linear-gradient(180deg,var(--bg-start),var(--bg-end));color:#0b1220}
.wrap{max-width:1100px;margin:28px auto;padding:20px}
header{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#43c6ac);display:grid;place-items:center;color:white;font-weight:700;box-shadow:var(--shadow)}
h1{margin:0;font-size:18px}
.lead{margin:0;color:var(--muted);font-size:13px}
.controls{display:flex;gap:8px;align-items:center}
.controls input{padding:8px 12px;border-radius:999px;border:0;background:var(--card);box-shadow:var(--shadow);width:220px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:18px}
.card{display:flex;gap:12px;align-items:flex-start;background:var(--card);padding:14px;border-radius:12px;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .12s}
.card:hover{transform:translateY(-6px)}
.icon{width:56px;height:56px;border-radius:10px;display:grid;place-items:center;font-size:22px;background:linear-gradient(135deg, rgba(107,92,255,0.12), rgba(67,198,172,0.06))}
.meta h3{margin:0;font-size:15px}
.meta p{margin:6px 0 0;color:var(--muted);font-size:13px}
footer{text-align:center;margin-top:28px;color:var(--muted);font-size:13px}
.notice{max-width:1100px;margin:12px auto;padding:12px;border-radius:10px;background:#fff9f2;border:1px solid #ffe4b5;color:#7a4a00}
.notice.error{background:#fff0f0;border-color:#f5c2c7;color:#7a1d1d}
.muted{color:var(--muted);font-size:13px}
.admin-wrap{display:flex;gap:18px;align-items:flex-start}
.admin-side{width:200px;background:var(--card);padding:18px;border-radius:12px;box-shadow:var(--shadow)}
.admin-side nav a{display:block;padding:8px 0;color:inherit;text-decoration:none}
.admin-main{flex:1}
.btn{display:inline-block;padding:8px 12px;border-radius:8px;text-decoration:none;border:0;background:transparent;cursor:pointer}
.primary{background:var(--accent);color:white;border-radius:10px;padding:8px 12px}
.tools-table{width:100%;border-collapse:collapse;background:var(--card);box-shadow:var(--shadow);border-radius:8px;overflow:hidden}
.tools-table th, .tools-table td{padding:10px;border-bottom:1px solid #f3f4f6;text-align:left}
.card-form label{display:block;margin-bottom:10px}
.card-form input, .card-form textarea{width:100%;padding:8px;border-radius:8px;border:1px solid #e6e9ef}
.auth-wrap{min-height:80vh;display:grid;place-items:center}
.auth{width:320px;background:var(--card);padding:18px;border-radius:12px;box-shadow:var(--shadow)}
.error{background:#fee2e2;padding:8px;border-radius:8px;color:#7f1d1d}
.success{background:#ecfdf5;padding:8px;border-radius:8px;color:#065f46}
.muted{color:var(--muted);font-size:13px}
.empty{padding:18px;background:var(--card);border-radius:12px;box-shadow:var(--shadow);text-align:center;color:var(--muted)}