/**
 * DevPulse v3.0 - Component Styles
 * Comprehensive component library with premium design
 */

/* ================================
   DASHBOARD LAYOUT
   ================================ */

.dashboard {
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  position: relative;
}

.dashboard.loaded {
  opacity: 1;
  transform: translateY(0);
}

/* Dashboard Loading Overlay */
.dashboard-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-background);
  z-index: 10;
  overflow-y: auto;
}

.dashboard-section {
  margin-bottom: var(--space-4xl);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.section-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-primary);
}

.section-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ================================
   USER PROFILE SECTION
   ================================ */

.profile-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4xl);
  position: relative;
  overflow: hidden;
}

.profile-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: profileGlow 4s ease-in-out infinite;
}

.profile-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-xl);
  align-items: center;
}

.profile-avatar {
  position: relative;
}

.avatar-image {
  width: 5rem;
  height: 5rem;
  border-radius: var(--radius-full);
  border: 3px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

.avatar-image:hover {
  transform: scale(1.05);
}

.avatar-ring {
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background: linear-gradient(45deg, var(--color-accent), var(--color-primary));
  background-clip: padding-box;
  animation: avatarGlow 3s ease-in-out infinite;
}

.profile-info {
  min-width: 0; /* Allow text to wrap */
}

.profile-name {
  color: var(--color-text-inverse);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin: 0 0 var(--space-xs) 0;
  line-height: 1.2;
}

.profile-username {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-lg);
  margin: 0 0 var(--space-sm) 0;
  font-weight: var(--font-weight-medium);
}

.profile-bio {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-base);
  margin: 0 0 var(--space-md) 0;
  line-height: 1.5;
  max-width: 500px;
}

.profile-details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.profile-detail {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-sm);
}

.detail-icon {
  width: 1rem;
  height: 1rem;
  stroke-width: 2;
  flex-shrink: 0;
}

.profile-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.profile-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
}

.link-icon {
  width: 0.875rem;
  height: 0.875rem;
  stroke-width: 2;
}

.profile-stats {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.profile-stat {
  text-align: center;
  min-width: 60px;
}

.stat-value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-inverse);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ================================
   STATS GRID
   ================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.stats-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.stats-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.stats-card:hover::before {
  transform: scaleX(1);
}

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

.stats-card-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.stats-card-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
  opacity: 0.7;
}

.stats-card-value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1;
}

.stats-card-change {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.stats-card-change.positive {
  color: var(--color-success);
}

.stats-card-change.negative {
  color: var(--color-error);
}

.stats-card-change svg {
  width: 1rem;
  height: 1rem;
}

/* ================================
   CHARTS SECTION
   ================================ */

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-xl);
}

.chart-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
}

.chart-card:hover {
  box-shadow: var(--shadow-lg);
}

.chart-card-wide {
  grid-column: 1 / -1;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.chart-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.chart-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.chart-action {
  width: 2rem;
  height: 2rem;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.chart-action:hover {
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.chart-action svg {
  width: 1rem;
  height: 1rem;
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.legend-color {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: var(--radius-sm);
}

.chart-container {
  position: relative;
  min-height: 300px;
}

/* ================================
   CONTRIBUTION CALENDAR
   ================================ */

.contribution-calendar {
  overflow-x: auto;
  padding: var(--space-md);
}

.calendar-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  min-width: 800px;
}

.calendar-months {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-xs);
  grid-column: 2;
  margin-bottom: var(--space-sm);
}

.calendar-month {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: center;
}

.calendar-weekdays {
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  gap: var(--space-xs);
  grid-row: 2;
}

.calendar-weekday {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: right;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 12px;
}

.calendar-weeks {
  display: grid;
  grid-template-columns: repeat(53, 1fr);
  gap: var(--space-xs);
  grid-column: 2;
  grid-row: 2;
}

.calendar-week {
  display: grid;
  grid-template-rows: repeat(7, 1fr);
  gap: var(--space-xs);
}

.calendar-day {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.calendar-day:hover {
  transform: scale(1.2);
  z-index: 10;
}

.calendar-day[data-level="0"] { background: var(--color-surface); }
.calendar-day[data-level="1"] { background: rgba(102, 126, 234, 0.3); }
.calendar-day[data-level="2"] { background: rgba(102, 126, 234, 0.5); }
.calendar-day[data-level="3"] { background: rgba(102, 126, 234, 0.7); }
.calendar-day[data-level="4"] { background: rgba(102, 126, 234, 1); }

/* ================================
   REPOSITORIES GRID
   ================================ */

.repositories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-lg);
}

.repository-card {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.repository-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.repo-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.repo-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-text-muted);
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.repo-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin: 0 0 var(--space-xs) 0;
  text-decoration: none;
  line-height: var(--line-height-tight);
}

.repo-title:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.repo-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-lg);
  flex: 1;
}

.repo-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: auto;
}

.repo-stats {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.repo-stat {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.repo-stat svg {
  width: 1rem;
  height: 1rem;
}

.repo-language {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.language-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.repo-updated {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ================================
   ACTIVITY TIMELINE
   ================================ */

.activity-timeline {
  display: flex;
  flex-direction: column;
}

.activity-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  margin-bottom: var(--space-md);
}

.activity-item:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
}

.activity-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.activity-icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.activity-content {
  flex: 1;
}

.activity-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-xs) 0;
}

.activity-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.activity-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.activity-repo {
  color: var(--color-primary);
  text-decoration: none;
}

.activity-repo:hover {
  text-decoration: underline;
}

/* ================================
   ERROR & EMPTY STATES
   ================================ */

.error-state,
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  text-align: center;
}

.error-container,
.empty-container {
  max-width: 400px;
}

.error-icon,
.empty-illustration {
  margin-bottom: var(--space-xl);
}

.error-icon svg {
  width: 4rem;
  height: 4rem;
  color: var(--color-error);
}

.empty-illustration svg {
  width: 8rem;
  height: 6rem;
}

.error-title,
.empty-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.error-message,
.empty-message {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-xl);
}

.error-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

/* ================================
   BUTTONS
   ================================ */

.button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.button-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.button-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.button-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.button-secondary:hover:not(:disabled) {
  background: var(--color-surface-elevated);
  border-color: var(--color-primary);
}

.button-icon {
  width: 1.25rem;
  height: 1.25rem;
}

/* ================================
   FORM CONTROLS
   ================================ */

.sort-select {
  appearance: none;
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1rem;
}

.sort-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ================================
   LOADING STATES
   ================================ */

.skeleton {
  background: linear-gradient(90deg, var(--color-surface) 25%, var(--color-border-light) 50%, var(--color-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-sm);
}

.skeleton-text:last-child {
  width: 60%;
  margin-bottom: 0;
}

.skeleton-title {
  height: 1.5rem;
  width: 80%;
  margin-bottom: var(--space-md);
}

.skeleton-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
}

.skeleton-card {
  padding: var(--space-xl);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

/* ================================
   FOOTER
   ================================ */

.app-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
  margin-top: var(--space-4xl);
}

.footer-content {
  text-align: center;
}

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.footer-links a {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.link-icon {
  width: 1rem;
  height: 1rem;
}

.separator {
  color: var(--color-border);
}

.version {
  font-family: var(--font-family-mono);
  background: var(--color-surface-elevated);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }
  
  .repositories-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  
  .profile-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-lg);
  }
  
  .profile-stats {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
  
  .repositories-grid {
    grid-template-columns: 1fr;
  }
  
  .charts-grid {
    gap: var(--space-lg);
  }
  
  .chart-card {
    padding: var(--space-lg);
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

@media (max-width: 640px) {
  .dashboard-section {
    margin-bottom: var(--space-2xl);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .profile-section {
    padding: var(--space-xl);
  }
  
  .activity-item {
    padding: var(--space-md);
  }
  
  .repo-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .repo-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
  
  .calendar-grid {
    min-width: 600px;
  }
}

/* ================================
   ANIMATIONS
   ================================ */

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes profileGlow {
  0%, 100% {
    transform: rotate(0deg) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: rotate(180deg) scale(1.1);
    opacity: 0.5;
  }
}

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

/* Animation classes */
.animate-count-up {
  animation: countUp 0.8s ease-out;
}

/* ================================
   DARK THEME SPECIFIC ADJUSTMENTS
   ================================ */

[data-theme="dark"] {
  .calendar-day[data-level="1"] { background: rgba(102, 126, 234, 0.4); }
  .calendar-day[data-level="2"] { background: rgba(102, 126, 234, 0.6); }
  .calendar-day[data-level="3"] { background: rgba(102, 126, 234, 0.8); }
  .calendar-day[data-level="4"] { background: rgba(102, 126, 234, 1); }
  
  .sort-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%9ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  }
}