/* ===================================================================
   ADMIN & GURU DASHBOARD - ROYAL ACADEMIC STYLING
   Times New Roman Typography, Gold & Obsidian Ledger Tables
   =================================================================== */

.admin-layout {
  display: flex;
  min-height: calc(100vh - 75px);
}

/* Sidebar with Gold Border Trim */
.admin-sidebar {
  width: 270px;
  background: var(--bg-surface);
  border-right: 2px solid var(--gold-border);
  padding: 1.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-shrink: 0;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.25);
}

.sidebar-menu-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  width: 100%;
}

.sidebar-menu-btn:hover {
  background: var(--gold-muted);
  color: var(--gold);
  border-color: var(--gold-border);
}

.sidebar-menu-btn.active {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.25), rgba(212, 175, 55, 0.08));
  color: var(--gold);
  border: 1px solid var(--gold);
  font-weight: 700;
}

.sidebar-menu-btn i {
  font-size: 1.2rem;
  width: 24px;
}

/* Main Content Area */
.admin-content {
  flex: 1;
  padding: 2rem 2.5rem;
  overflow-y: auto;
  max-width: 1600px;
}

.admin-header-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 1px solid var(--gold-border);
  padding-bottom: 1rem;
}

.admin-header-title h2 {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

/* Stat Cards (Academic Ledger Look) */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.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;
  border: 1px solid var(--gold-border);
}

.stat-icon.primary { background: var(--gold-muted); color: var(--gold); }
.stat-icon.success { background: var(--success-bg); color: #38bdf8; }
.stat-icon.warning { background: var(--warning-bg); color: var(--gold); }
.stat-icon.danger { background: var(--danger-bg); color: #ef4444; }

.stat-val {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Spreadsheet Table Layout */
.table-toolbar {
  background: var(--bg-surface);
  border: 1px solid var(--gold-border);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.toolbar-filters {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--gold-border);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  text-align: left;
}

.data-table th {
  background: var(--bg-card);
  color: var(--gold);
  font-family: var(--font-serif);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  padding: 1rem 1.15rem;
  border-bottom: 2px solid var(--gold-border);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

.data-table td {
  padding: 0.9rem 1.15rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: var(--gold-muted);
}

.score-badge {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.05rem;
}

.score-high { color: #34d399; }
.score-medium { color: var(--gold); }
.score-low { color: #ef4444; }

/* File Upload Dropzones (Word & Excel) */
.upload-dropzone {
  border: 2px dashed var(--gold-border);
  border-radius: var(--radius-sm);
  padding: 2.75rem 1.5rem;
  text-align: center;
  background: var(--bg-surface);
  cursor: pointer;
  transition: var(--transition);
}

.upload-dropzone:hover, .upload-dropzone.dragover {
  border-color: var(--gold);
  background: var(--gold-muted);
  transform: translateY(-2px);
}

.upload-icon {
  font-size: 3.2rem;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

/* Question Bank Cards */
.soal-card-item {
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.soal-header-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.opsi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  font-size: 0.95rem;
}

.opsi-box {
  padding: 0.5rem 0.85rem;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.opsi-box.kunci {
  background: var(--gold-muted);
  border-color: var(--gold);
  color: var(--gold);
  font-weight: 700;
}

/* Logo Preview Box in Settings */
.logo-preview-box {
  width: 120px;
  height: 120px;
  border: 2px solid var(--gold-border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  margin-bottom: 1rem;
}

.logo-preview-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
  .admin-layout {
    flex-direction: column;
  }
  .admin-sidebar {
    width: 100%;
    flex-direction: row;
    overflow-x: auto;
    padding: 0.75rem;
  }
  .sidebar-menu-btn {
    white-space: nowrap;
    padding: 0.5rem 0.85rem;
  }
  .admin-content {
    padding: 1.25rem;
  }
}