/* GlobalExam Custom Styles */
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

.glass-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-danger {
  background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-secondary {
  background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.gradient-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.score-bar {
  height: 8px;
  border-radius: 4px;
  background: #e5e7eb;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #667eea, #764ba2);
  transition: width 0.5s ease;
}

.question-card {
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.option-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 1rem 1.25rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.75rem;
  background: white;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1rem;
}

.option-btn:hover {
  border-color: #667eea;
  background: #f5f3ff;
}

.option-btn.selected {
  border-color: #667eea;
  background: #ede9fe;
}

.option-btn.correct {
  border-color: #10b981;
  background: #d1fae5;
}

.option-btn.incorrect {
  border-color: #ef4444;
  background: #fee2e2;
}

.risk-low { color: #10b981; }
.risk-medium { color: #f59e0b; }
.risk-high { color: #ef4444; }

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.spinner {
  border: 3px solid #e5e7eb;
  border-top: 3px solid #667eea;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Monaco editor container */
#editor-container {
  width: 100%;
  height: 400px;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  overflow: hidden;
}

/* Replay controls */
.replay-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem;
  background: #1e1e1e;
  border-radius: 0.5rem;
}

.replay-controls button {
  background: #333;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  cursor: pointer;
}

.replay-controls button:hover {
  background: #555;
}

.replay-controls button.active {
  background: #667eea;
}

/* Dashboard tables */
.session-table {
  width: 100%;
  border-collapse: collapse;
}

.session-table th,
.session-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.session-table th {
  background: #f9fafb;
  font-weight: 600;
  font-size: 0.875rem;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.session-table tr:hover {
  background: #f9fafb;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved { background: #dbeafe; color: #1e40af; }
.badge-started { background: #d1fae5; color: #065f46; }
.badge-completed { background: #e5e7eb; color: #374151; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-stopped { background: #fce7f3; color: #9d174d; }

/* Dashboard tab buttons */
.tab-btn.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white !important;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.tab-btn:hover:not(.active) {
  background: #f3f4f6;
}

/* Stats cards */
.stat-card {
  transition: all 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Event timeline cards */
.event-timeline-card {
  transition: all 0.15s ease;
}

.event-timeline-card:hover {
  transform: translateX(2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* Anti-cheat: disable text selection during exam */
body.exam-active { user-select: none; -webkit-user-select: none; }
body.exam-active #editor-container { user-select: auto; -webkit-user-select: auto; }