/* ============================================================
   PART 10B: ADMIN CSS
   File: admin/css/admin.css
   ============================================================ */

body { padding-top: 0; padding-bottom: 0; }

.admin-wrapper { display: flex; min-height: 100vh; }

/* Sidebar */
.admin-sidebar {
  width: 240px; background: #1E293B; color: #fff;
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
  transition: transform .3s;
}
.admin-sidebar .sidebar-logo {
  padding: 20px; border-bottom: 1px solid rgba(255,255,255,.1);
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.1rem;
  font-weight: 800; color: #fff; display: flex; align-items: center; gap: 8px;
}
.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 20px; color: rgba(255,255,255,.65); font-size: .88rem;
  transition: all .2s; border-left: 3px solid transparent;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
  background: rgba(255,255,255,.08); color: #fff; border-left-color: #2563EB;
}
.sidebar-nav .nav-icon { font-size: 1.1rem; width: 20px; text-align: center; }
.sidebar-nav .nav-section {
  padding: 12px 20px 4px; font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,.35);
}
.sidebar-logout { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.1); }

/* Top bar */
.admin-topbar-bar {
  position: sticky; top: 0; z-index: 50;
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 0 24px; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.topbar-title { font-weight: 700; font-size: 1.05rem; }
.topbar-user  { font-size: .85rem; color: var(--muted); display: flex; align-items: center; gap: 8px; }

/* Main area */
.admin-main { margin-left: 240px; flex: 1; min-height: 100vh; background: var(--bg); }
.admin-page  { padding: 24px; max-width: 1200px; }

/* Stat cards */
.admin-stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-bottom: 24px; }
@media (min-width: 800px) { .admin-stats { grid-template-columns: repeat(4,1fr); } }
.stat-card {
  background: #fff; border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 16px;
}
.stat-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; flex-shrink: 0; }
.stat-icon.blue   { background: #EFF6FF; }
.stat-icon.green  { background: #ECFDF5; }
.stat-icon.yellow { background: #FFFBEB; }
.stat-icon.purple { background: #F5F3FF; }
.stat-card .num   { font-family: 'Plus Jakarta Sans',sans-serif; font-size: 1.8rem; font-weight: 800; line-height: 1; }
.stat-card .lbl   { font-size: .78rem; color: var(--muted); margin-top: 2px; }

/* Page header */
.page-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.page-header h1 { font-size: 1.4rem; }

/* Mobile sidebar toggle */
.sidebar-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 1.3rem; }
@media (max-width: 800px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .sidebar-toggle { display: block; }
  .admin-page { padding: 16px; }
}