/* admin/css/admin.css - Modern Admin Dashboard for SMP PGRI 4 Balikpapan (Bright Blue & Bright Yellow Theme) */
:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  --accent: #facc15;
  --accent-hover: #eab308;
  --accent-light: #fef08a;
  --danger: #f43f5e;
  --danger-light: #ffe4e6;
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f97316;
  --warning-light: #ffedd5;
  --bg: #f6fbff;
  --surface: #ffffff;
  --border: #d0e5f7;
  --text-main: #0b2239;
  --text-muted: #47617c;
  --sidebar-bg: #071729;
  --sidebar-text: #94b2d1;
  --sidebar-active: #0c2744;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 4px rgba(2, 132, 199, 0.04);
  --shadow-md: 0 4px 14px rgba(2, 132, 199, 0.08);
  --shadow-lg: 0 10px 28px rgba(2, 132, 199, 0.14);
  --font: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 0.95rem;
}

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

/* Sidebar */
.admin-sidebar {
  width: 270px;
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  transition: transform 0.3s ease;
  z-index: 100;
}

.sidebar-brand {
  padding: 22px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: #0b2239;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-weight: 700;
}

.brand-title {
  font-weight: 700;
  font-size: 0.98rem;
  color: #fff;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--yellow);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-menu {
  padding: 20px 12px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.menu-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: #6482a2;
  font-weight: 700;
  padding: 12px 10px 4px;
  letter-spacing: 0.8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: #94b2d1;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all 0.2s ease;
}

.sidebar-link:hover {
  background-color: rgba(2, 132, 199, 0.15);
  color: #fff;
}

.sidebar-link.active {
  background-color: var(--primary);
  color: #fff;
}

.sidebar-link .badge-count {
  margin-left: auto;
  background-color: var(--danger);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 99px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* Main Area */
.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-header {
  height: 70px;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-content {
  padding: 28px;
  flex: 1;
}

/* Cards & Components */
.card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f0f7ff;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body {
  padding: 24px;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
}

.stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-icon.amber { background: var(--accent-light); color: var(--accent-hover); }
.stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-icon.red { background: var(--danger-light); color: var(--danger); }

.stat-val {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-main);
}

.stat-lbl {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--danger);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-row {
  display: flex;
  gap: 18px;
}

.form-col {
  flex: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-accent {
  background: var(--accent);
  color: #0b2239;
}
.btn-accent:hover {
  background: var(--accent-hover);
}

.btn-outline {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-main);
}
.btn-outline:hover {
  background: var(--primary-light);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover {
  background: #e11d48;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.84rem;
}

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
}
.alert-success { background: var(--success-light); color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: var(--danger-light); color: #9f1239; border: 1px solid #fecdd3; }
.alert-info { background: var(--primary-light); color: #0369a1; border: 1px solid #bae6fd; }

/* Tables */
.table-responsive {
  overflow-x: auto;
}
.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}
.table th {
  background: #f0f7ff;
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.5px;
}
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
  vertical-align: middle;
}
.table tr:hover td {
  background: #f0f7ff;
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-success { background: var(--success-light); color: #065f46; }
.badge-warning { background: var(--warning-light); color: #9a3412; }
.badge-danger { background: var(--danger-light); color: #9f1239; }
.badge-info { background: var(--primary-light); color: #0369a1; }

/* Grid Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
}
.gallery-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.gallery-caption {
  padding: 10px 14px;
  background: var(--surface);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 900px) {
  .admin-sidebar {
    position: fixed;
    transform: translateX(-100%);
  }
  .admin-sidebar.open {
    transform: translateX(0);
  }
  .form-row {
    flex-direction: column;
    gap: 0;
  }
}