:root {
  --green: #4CAF50;
  --sun: #FFC107;
  --earth: #6D4C41;
  --dark: #0B0B0B;
  --panel: #141210;
  --line: rgba(255,255,255,.08);
  --font: Manrope, system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); background: #EFE7DB; color: #1A1410; }
.admin-body { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-sidebar {
  background: linear-gradient(180deg, #0B0B0B, #161310);
  color: #F3EDE4; padding: 1.25rem 1rem; position: sticky; top: 0; height: 100vh; overflow: auto;
}
.admin-brand { display: flex; align-items: center; gap: .65rem; color: #fff; font-weight: 700; margin-bottom: 1.5rem; text-decoration: none; }
.admin-brand img { width: 40px; height: 40px; object-fit: contain; }
.admin-sidebar nav { display: grid; gap: .25rem; }
.admin-sidebar a {
  color: rgba(243,237,228,.78); text-decoration: none; padding: .55rem .7rem; border-radius: 10px; font-size: .92rem; font-weight: 600;
}
.admin-sidebar a:hover { background: rgba(76,175,80,.18); color: #fff; }
.admin-main { padding: 1.25rem 1.5rem 2rem; }
.admin-top { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.admin-top h1 { margin: 0; font-size: 1.6rem; }
.admin-top p { margin: 0; color: #6D4C41; font-size: .9rem; }
.admin-alert { padding: .85rem 1rem; border-radius: 10px; margin-bottom: 1rem; }
.admin-alert.ok { background: #E8F5E9; color: #1B5E20; }
.admin-alert.err { background: #FFEBEE; color: #B71C1C; }
.stat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: .75rem; margin-bottom: 1.5rem; }
.stat { background: #fff; border-radius: 14px; padding: 1rem; border: 1px solid rgba(62,39,35,.08); }
.stat strong { display: block; font-size: 1.6rem; color: #2E7D32; }
.stat span { font-size: .85rem; color: #6D4C41; }
.admin-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; }
.admin-table th, .admin-table td { padding: .7rem .8rem; border-bottom: 1px solid #eee; text-align: left; font-size: .92rem; vertical-align: top; }
.admin-table th { background: #F5F0E8; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.btn-admin, .login-card button, .admin-form button, .toolbar .btn {
  display: inline-block; background: var(--green); color: #fff; border: 0; border-radius: 10px;
  padding: .5rem .85rem; font-weight: 700; cursor: pointer; text-decoration: none; font-size: .88rem;
}
.btn-admin.danger, .toolbar .btn.danger { background: #C62828; }
.btn-admin.ghost, .toolbar .btn.ghost { background: #fff; color: #1A1410; border: 1px solid #ddd; }
.toolbar { display: flex; gap: .5rem; margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.admin-form { background: #fff; padding: 1.25rem; border-radius: 14px; display: grid; gap: .85rem; max-width: 820px; }
.admin-form label { display: grid; gap: .35rem; font-weight: 600; font-size: .9rem; }
.admin-form input, .admin-form select, .admin-form textarea {
  width: 100%; padding: .65rem .8rem; border-radius: 10px; border: 1px solid #ddd; font: inherit;
}
.admin-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .85rem; }
.yt-embed { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #111; border-radius: 12px; overflow: hidden; }
.yt-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.yt-embed--admin { max-width: 480px; }
.login-body {
  min-height: 100vh; display: grid; place-items: center;
  background: radial-gradient(600px 300px at 20% 0%, rgba(76,175,80,.25), transparent),
              radial-gradient(500px 260px at 90% 10%, rgba(255,193,7,.2), transparent), #0B0B0B;
}
.login-card {
  width: min(400px, calc(100% - 2rem)); background: #161310; color: #F3EDE4; padding: 2rem;
  border-radius: 18px; border: 1px solid rgba(255,255,255,.08); display: grid; gap: .85rem; text-align: center;
}
.login-card img { margin: 0 auto; }
.login-card h1 { margin: 0; font-family: "DM Serif Display", Georgia, serif; font-weight: 400; }
.login-card p { margin: 0; color: var(--sun); font-size: .85rem; }
.login-card label { display: grid; gap: .35rem; text-align: left; font-size: .9rem; }
.login-card input { padding: .7rem .85rem; border-radius: 10px; border: 1px solid rgba(255,255,255,.15); background: #0B0B0B; color: #fff; }
.login-card button { margin-top: .5rem; padding: .85rem; }
@media (max-width: 900px) {
  .admin-body { grid-template-columns: 1fr; }
  .admin-sidebar { position: relative; height: auto; }
  .stat-grid, .admin-form .row2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .stat-grid, .admin-form .row2 { grid-template-columns: 1fr; }
}