/* GBM Admin — brand blue: #216eb6 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #216eb6;
  --blue-dark: #1a5490;
  --blue-light: #e8f0f9;
  --bg: #f0f4f8;
  --surface: #ffffff;
  --border: #d0dbe8;
  --text: #1a2332;
  --muted: #5a6a7e;
  --danger: #c0392b;
  --success: #27ae60;
  --warning: #e67e22;
  --sidebar-w: 220px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
}

/* ─── Sidebar ─── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--blue-dark);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-brand {
  padding: 20px 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.sidebar-brand .brand-name {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  display: block;
}
.sidebar-brand .brand-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.6);
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  list-style: none;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 13.5px;
  transition: background 0.15s, color 0.15s;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.sidebar-nav .nav-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-nav li + li { border-top: 1px solid rgba(255,255,255,0.05); }

.sidebar-user {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}
.sidebar-user strong { display: block; color: rgba(255,255,255,0.9); font-size: 13px; margin-bottom: 6px; }

/* ─── Main ─── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar h1 { font-size: 18px; font-weight: 600; color: var(--text); }
.topbar .actions { display: flex; gap: 8px; }

.content { padding: 24px 28px; flex: 1; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: filter 0.15s, opacity 0.15s;
  line-height: 1.4;
}
.btn:hover { filter: brightness(0.92); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn-ghost:hover { background: var(--bg); filter: none; }

/* ─── Table ─── */
.table-wrap { background: var(--surface); border-radius: 8px; border: 1px solid var(--border); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--blue-light);
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--blue-dark);
  border-bottom: 1px solid var(--border);
}
td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg); }

.table-actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

/* ─── Badges ─── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: capitalize;
}
.badge-published { background: #d4edda; color: #155724; }
.badge-draft     { background: #fff3cd; color: #856404; }
.badge-scheduled { background: #cce5ff; color: #004085; }
.badge-active    { background: #d4edda; color: #155724; }
.badge-inactive  { background: #f8d7da; color: #721c24; }
.badge-sticky    { background: #e2d9f3; color: #4a2f7b; }
.badge-cat       { background: var(--blue-light); color: var(--blue-dark); }

/* ─── Forms ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  max-width: 780px;
}

.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}
.form-row input[type="text"],
.form-row input[type="url"],
.form-row input[type="datetime-local"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--font);
  font-size: 13.5px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(33,110,182,0.12);
}
.form-row textarea { resize: vertical; min-height: 180px; }

.form-row-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}
.toggle-row label { margin: 0; font-weight: 500; cursor: pointer; }
input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--blue); cursor: pointer; }

.form-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.form-actions { display: flex; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }

.alert {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 18px;
  font-size: 13.5px;
}
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* ─── Filters ─── */
.filter-bar { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar a {
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12.5px;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all 0.15s;
}
.filter-bar a:hover { border-color: var(--blue); color: var(--blue); }
.filter-bar a.active { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ─── Dashboard stats ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}
.stat-card .stat-num { font-size: 36px; font-weight: 700; color: var(--blue); }
.stat-card .stat-label { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ─── Image preview ─── */
.img-preview { max-width: 240px; max-height: 140px; border-radius: 6px; object-fit: cover; border: 1px solid var(--border); margin-top: 8px; display: block; }

/* ─── Login page ─── */
body.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--blue-dark);
  flex-direction: column;
}
.login-box {
  background: var(--surface);
  border-radius: 12px;
  padding: 40px 36px;
  width: 360px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.login-box .brand { font-size: 22px; font-weight: 700; color: var(--blue); margin-bottom: 4px; }
.login-box .brand-sub { font-size: 13px; color: var(--muted); margin-bottom: 28px; }
.login-box .btn { width: 100%; justify-content: center; padding: 11px; font-size: 14px; }
.login-error { color: var(--danger); font-size: 13px; margin-top: 14px; }
.login-spinner { display: none; font-size: 13px; color: var(--muted); margin-top: 14px; }

/* ─── Responsive (basic — primary use is desktop) ─── */
@media (max-width: 768px) {
  .sidebar { width: 100%; height: 56px; flex-direction: row; position: relative; overflow: hidden; }
  .sidebar-nav, .sidebar-user { display: none; }
  .main { margin-left: 0; }
  .content { padding: 16px; }
  .form-row-inline { grid-template-columns: 1fr; }
}