/**
 * GARDA TALI - Teacher Dashboard Stylesheet (guru.css)
 */

.dashboard-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 72px);
}

/* Sidebar Navigation */
.sidebar {
  background: var(--bg-white);
  border-right: 1px solid var(--border-color);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--secondary-navy);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.sidebar-link:hover {
  background: var(--bg-light);
  color: var(--team-a-blue);
}

.sidebar-link.active {
  background: var(--team-a-blue-light);
  color: var(--team-a-blue);
  font-weight: 700;
}

.sidebar-link .icon {
  font-size: 1.25rem;
}

.sidebar-user {
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: #eff6ff;
  color: var(--team-a-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.user-details h5 {
  font-size: 0.9rem;
  margin: 0;
}

.user-details p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
}

/* Main Content Area */
.main-content {
  padding: 28px 36px;
  overflow-y: auto;
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.content-title h2 {
  font-size: 1.7rem;
  margin-bottom: 4px;
}

.content-title p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Stats Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.stat-icon.blue { background: var(--team-a-blue-light); color: var(--team-a-blue); }
.stat-icon.gold { background: #fffbeb; color: var(--accent-gold-dark); }
.stat-icon.red { background: var(--team-b-red-light); color: var(--team-b-red); }
.stat-icon.green { background: #ecfdf5; color: var(--success-green); }

.stat-info h3 {
  font-size: 1.7rem;
  line-height: 1.2;
}

.stat-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Tables & Toolbars */
.table-container {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-toolbar {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.search-filter-box {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.search-input {
  max-width: 280px;
}

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

.data-table th {
  background: #f8fafc;
  padding: 12px 18px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--secondary-navy);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 14px 18px;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-dark);
}

.data-table tbody tr:hover {
  background: #fafbfc;
}

.action-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: #ffffff;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  background: var(--bg-light);
}

.btn-icon.edit:hover { color: var(--team-a-blue); border-color: var(--team-a-blue); }
.btn-icon.delete:hover { color: var(--team-b-red); border-color: var(--team-b-red); }

/* Image Upload Preview Box */
.image-upload-wrapper {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
  background: #fafbfc;
  cursor: pointer;
  transition: border-color 0.2s;
  position: relative;
}

.image-upload-wrapper:hover {
  border-color: var(--team-a-blue);
}

.image-preview {
  max-width: 100%;
  max-height: 180px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  margin-top: 10px;
  display: none;
}

.image-preview.show {
  display: block;
}

/* Big Game Code Banner */
.game-code-banner {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  margin: 20px 0;
  box-shadow: var(--shadow-lg);
}

.big-code {
  font-family: 'Fredoka', monospace;
  font-size: 4rem;
  letter-spacing: 8px;
  font-weight: 800;
  color: var(--accent-yellow);
  text-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
  margin: 12px 0;
}

/* Live Monitor Area */
.live-monitor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.live-team-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
}

.live-team-card.team-a {
  background: var(--team-a-blue-light);
  border-color: var(--team-a-blue);
}

.live-team-card.team-b {
  background: var(--team-b-red-light);
  border-color: var(--team-b-red);
}

.live-score {
  font-size: 3rem;
  font-weight: 800;
}

.live-controls {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* Tab Panels */
.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Responsive Dashboard */
@media (max-width: 900px) {
  .dashboard-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 12px;
  }
  .sidebar-menu {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 6px;
  }
  .sidebar-link {
    white-space: nowrap;
    padding: 8px 14px;
  }
  .main-content {
    padding: 20px 16px;
  }
  .live-monitor-grid {
    grid-template-columns: 1fr;
  }
  .big-code {
    font-size: 2.8rem;
    letter-spacing: 4px;
  }
}