:root {
  --bg: #0f1115;
  --surface: #1c2029;
  --surface-2: #232834;
  --text: #e8ebf0;
  --muted: #9aa3b2;
  --accent: #2e7d32;
  --accent-2: #43a047;
  --border: #2a2f3a;
  --radius: 10px;
}

* { box-sizing: border-box; }
body.admin { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }

/* Layout */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar { width: 230px; background: #0c0e13; border-right: 1px solid var(--border); padding: 18px; display: flex; flex-direction: column; }
.admin-brand { font-size: 1.3rem; font-weight: 800; letter-spacing: 1px; margin-bottom: 22px; }
.admin-brand span { color: var(--accent-2); font-weight: 600; margin-left: 4px; }
.admin-sidebar nav ul { list-style: none; padding: 0; margin: 0; }
.admin-sidebar nav a { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-radius: var(--radius); color: var(--muted); font-weight: 500; margin-bottom: 4px; }
.admin-sidebar nav a:hover { background: var(--surface); color: var(--text); }
.admin-sidebar nav a.active { background: var(--accent); color: #fff; }
.badge { background: #e53935; color: #fff; border-radius: 999px; padding: 1px 8px; font-size: .72rem; font-weight: 700; }
.admin-ver-sitio { margin-top: auto; color: var(--muted); font-size: .85rem; padding-top: 18px; }

.admin-content { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.admin-topbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--surface); }
.admin-user { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .9rem; }
.admin-main { padding: 24px; flex: 1; }
.inline { display: inline; margin: 0; }

/* Buttons */
.btn { display: inline-block; padding: 10px 16px; border-radius: var(--radius); background: var(--surface-2); color: var(--text); border: 1px solid var(--border); font-weight: 600; font-size: .9rem; cursor: pointer; text-align: center; }
.btn:hover { border-color: var(--accent-2); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 12px; font-size: .8rem; }
.btn-block { width: 100%; }
.btn-danger { border-color: #e53935; color: #ffcdd2; background: transparent; }
.btn-danger:hover { background: #e53935; color: #fff; }

/* Cards (dashboard) */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 6px; }
.card:hover { border-color: var(--accent-2); }
.card-num { font-size: 2.2rem; font-weight: 800; }
.card-label { color: var(--muted); font-size: .9rem; }
.quick-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Tables */
.table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: .9rem; vertical-align: middle; }
.table th { background: var(--surface-2); color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .5px; }
.table tr:last-child td { border-bottom: 0; }
.table tr.unread td { background: rgba(67,160,71,.07); }
.row-actions { display: flex; gap: 8px; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .72rem; font-weight: 700; }
.tag-on { background: rgba(67,160,71,.2); color: #c8e6c9; }
.tag-off { background: rgba(154,163,178,.15); color: var(--muted); }

/* Forms */
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.page-head h1 { font-size: 1.5rem; margin: 0; }
form.admin-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; max-width: 760px; }
.admin-form label, .login-box label { display: block; margin-bottom: 16px; font-weight: 600; font-size: .9rem; }
.admin-form input[type=text], .admin-form input[type=number], .admin-form textarea,
.admin-form select, .login-box input {
  width: 100%; margin-top: 6px; padding: 10px 12px; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius); font-size: .95rem; font-family: inherit;
}
.admin-form textarea { min-height: 90px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.check-row { display: flex; gap: 22px; align-items: center; margin-bottom: 16px; }
.check-row label { display: flex; align-items: center; gap: 8px; margin: 0; }
.check-row input { width: auto; margin: 0; }
.form-actions { display: flex; gap: 12px; margin-top: 8px; }
.hint { color: var(--muted); font-size: .82rem; font-weight: 400; }

/* Image thumbs in form */
.img-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0; }
.img-item { position: relative; width: 90px; }
.img-item img { width: 90px; height: 70px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
.img-item button { position: absolute; top: -8px; right: -8px; }

/* Flash */
.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: .9rem; }
.flash-success { background: rgba(67,160,71,.15); border: 1px solid var(--accent-2); color: #c8e6c9; }
.flash-error { background: rgba(229,57,53,.15); border: 1px solid #e53935; color: #ffcdd2; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 34px; width: 360px; max-width: 92vw; }
.login-box h1 { font-size: 1.25rem; margin: 6px 0 20px; text-align: center; }
.admin-brand.center { display: block; text-align: center; }
.login-back { display: block; text-align: center; margin-top: 16px; color: var(--muted); font-size: .85rem; }

.empty { color: var(--muted); padding: 30px 0; text-align: center; }
.detail-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; max-width: 680px; }
.detail-box dt { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; margin-top: 14px; }
.detail-box dd { margin: 4px 0 0; }

@media (max-width: 760px) {
  .admin-sidebar { width: 64px; padding: 12px 8px; }
  .admin-brand span, .admin-sidebar nav a span:not(.badge), .admin-ver-sitio { display: none; }
  .form-row { grid-template-columns: 1fr; }
}