/* Dashboard */
.dashboard {
  animation: fadeIn 0.3s ease;
}

.dashboard-header {
  margin-bottom: var(--space-xl);
}

.dashboard-header h1 {
  font-size: var(--font-3xl);
  margin-bottom: var(--space-xs);
}

.dashboard-header p {
  color: var(--text-muted);
  font-size: var(--font-base);
}

/* Overall Progress Section */
.overall-progress {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.progress-ring-container {
  position: relative;
  flex-shrink: 0;
}

.progress-ring-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.progress-ring-label .percentage {
  font-size: var(--font-3xl);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.progress-ring-label .sublabel {
  font-size: var(--font-xs);
  color: var(--text-muted);
  font-weight: 500;
}

.progress-stats {
  flex: 1;
}

.progress-stats h3 {
  font-size: var(--font-xl);
  margin-bottom: var(--space-md);
}

.stat-row {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: var(--font-2xl);
  font-weight: 800;
  color: var(--text-primary);
}

.stat-label {
  font-size: var(--font-xs);
  color: var(--text-muted);
  font-weight: 500;
}

/* Domain Weight Bar */
.domain-weight-bar {
  display: flex;
  height: 32px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-xl);
  background: var(--bg-tertiary);
}

.domain-weight-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xs);
  font-weight: 700;
  color: white;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.domain-weight-segment:hover {
  filter: brightness(1.15);
}

.domain-weight-segment .segment-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  opacity: 0.3;
  background: rgba(0,0,0,0.3);
  transition: width var(--transition-slow);
}

/* Domain Cards Grid */
.domain-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.domain-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.domain-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--card-color);
}

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

.domain-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.domain-card-title {
  font-size: var(--font-sm);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  padding-right: var(--space-sm);
}

.domain-card-weight {
  font-size: var(--font-xs);
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  color: white;
  flex-shrink: 0;
}

.domain-card-body {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.domain-card-stats {
  flex: 1;
}

.domain-card-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.domain-card-stat span:last-child {
  font-weight: 600;
  color: var(--text-secondary);
}

.domain-card-bar {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--space-sm);
}

.domain-card-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* Study Streak Heatmap */
.streak-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.streak-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.streak-header h3 {
  font-size: var(--font-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.streak-count {
  font-size: var(--font-2xl);
  font-weight: 800;
  color: var(--accent-gold);
}

.streak-grid {
  display: grid;
  grid-template-columns: repeat(30, 1fr);
  gap: 3px;
}

.streak-day {
  aspect-ratio: 1;
  border-radius: 3px;
  background: var(--bg-tertiary);
  transition: background var(--transition-fast);
}

.streak-day.level-1 { background: rgba(34,197,94,0.2); }
.streak-day.level-2 { background: rgba(34,197,94,0.4); }
.streak-day.level-3 { background: rgba(34,197,94,0.6); }
.streak-day.level-4 { background: var(--success); }

/* Quick Actions */
.quick-actions {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.quick-action {
  flex: 1;
  min-width: 200px;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: var(--text-primary);
}

.quick-action:hover {
  background: var(--bg-card-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
}

.quick-action-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-lg);
  color: white;
  flex-shrink: 0;
}

.quick-action-text h4 {
  font-size: var(--font-sm);
  font-weight: 600;
  margin-bottom: 2px;
}

.quick-action-text p {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin: 0;
}

/* Weak Areas */
.weak-areas {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.weak-areas h3 {
  font-size: var(--font-lg);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.weak-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.weak-item:last-child {
  border-bottom: none;
}

.weak-item:hover {
  color: var(--domain1);
}

.weak-item .domain-indicator {
  width: 4px;
  height: 32px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.weak-item-info {
  flex: 1;
}

.weak-item-info h4 {
  font-size: var(--font-sm);
  font-weight: 600;
}

.weak-item-info p {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin: 0;
}

.weak-item .missed-count {
  font-size: var(--font-xs);
  font-weight: 600;
  color: var(--danger);
}