/**
 * GitHub Timeline Styles
 * Commit history and contributor activity display
 */

@import url('./design-tokens.css');

/* ============================================
   TIMELINE CONTAINER
   ============================================ */

.github-timeline {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ============================================
   HEADER
   ============================================ */

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

.timeline-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: #fff;
  margin: 0;
}

.timeline-icon {
  font-size: var(--text-lg);
}

.timeline-refresh {
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: #666;
  font-size: var(--text-lg);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.timeline-refresh:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* ============================================
   LOADING & ERROR
   ============================================ */

.timeline-loading,
.timeline-error {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-2xl) var(--space-lg);
  color: #888;
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: #00ff88;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.error-icon {
  font-size: var(--text-xl);
  color: #ef4444;
}

/* ============================================
   CONTENT
   ============================================ */

.timeline-content {
  padding: var(--space-md) var(--space-lg);
}

.timeline-section {
  margin-bottom: var(--space-lg);
}

.timeline-section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: #666;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin: 0 0 var(--space-md);
}

/* ============================================
   COMMITS LIST
   ============================================ */

.commits-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.commit-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  animation: commitSlideIn var(--duration-normal) ease backwards;
}

@keyframes commitSlideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
}

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

.commit-sha {
  margin-bottom: var(--space-2xs);
}

.commit-sha a {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  color: #00d9ff;
  text-decoration: none;
  transition: color var(--duration-fast);
}

.commit-sha a:hover {
  color: #fff;
}

.commit-message {
  font-size: var(--text-sm);
  color: #fff;
  margin-bottom: var(--space-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.commit-meta {
  display: flex;
  gap: var(--space-md);
  font-size: var(--text-xs);
  color: #666;
}

.commit-author {
  color: #888;
}

/* ============================================
   CONTRIBUTORS GRID
   ============================================ */

.contributors-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.contributor-card {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  animation: contributorFadeIn var(--duration-normal) ease backwards;
  transition: all var(--duration-fast);
}

.contributor-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

@keyframes contributorFadeIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
}

.contributor-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-fast);
}

.contributor-link:hover .contributor-name {
  color: #00d9ff;
}

.contributor-link:focus {
  outline: none;
}

.contributor-link:focus-visible .contributor-avatar {
  box-shadow: 0 0 0 2px #00d9ff;
}

.contributor-github-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: #666;
  text-decoration: none;
  font-size: var(--text-sm);
  transition: all var(--duration-fast);
  flex-shrink: 0;
}

.contributor-github-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.contributor-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.contributor-info {
  display: flex;
  flex-direction: column;
}

.contributor-name {
  font-size: var(--text-sm);
  color: #fff;
}

.contributor-commits {
  font-size: var(--text-xs);
  color: #666;
}

/* ============================================
   REPO STATS
   ============================================ */

.repo-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
}

.stat-icon {
  font-size: var(--text-base);
}

.stat-value {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: #fff;
}

.stat-label {
  font-size: var(--text-xs);
  color: #666;
}

.stat-item.completion {
  flex: 1;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-xs);
}

.completion-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xs);
  overflow: hidden;
}

.completion-fill {
  height: 100%;
  background: linear-gradient(90deg, #00ff88, #00d9ff);
  border-radius: var(--radius-xs);
  transition: width var(--duration-slow) ease;
}

.completion-label {
  font-size: var(--text-xs);
  color: #888;
  text-align: center;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
  padding: var(--space-lg);
  text-align: center;
  color: #888;
  font-size: var(--text-sm);
}

/* ============================================
   TIMELINE MODAL
   ============================================ */

.timeline-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--duration-normal),
    visibility var(--duration-normal);
}

.timeline-modal.active {
  opacity: 1;
  visibility: visible;
}

.timeline-modal .modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.timeline-modal .timeline-content {
  position: relative;
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  background: rgba(10, 10, 15, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Timeline Header */
.timeline-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.3);
}

.timeline-header .modal-icon {
  font-size: var(--text-2xl);
}

.timeline-header .modal-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: #fff;
  margin: 0;
}

.timeline-header .modal-subtitle {
  font-size: var(--text-sm);
  color: #888;
  margin-left: auto;
}

.timeline-header .modal-close {
  width: 36px;
  height: 36px;
  border: none;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: #888;
  font-size: var(--text-xl);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.timeline-header .modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

/* Timeline Body */
.timeline-body {
  padding: var(--space-xl);
  overflow-y: auto;
  flex: 1;
}

/* Commits Timeline */
.commits-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}

.commits-timeline::before {
  content: '';
  position: absolute;
  left: 90px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, 0.1);
}

.commit-item {
  padding: var(--space-md) 0;
  animation: commitSlideIn var(--duration-normal) ease backwards;
}

.commit-timeline-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.commit-date {
  width: 80px;
  font-size: var(--text-xs);
  color: #888;
  text-align: right;
  flex-shrink: 0;
}

.commit-dot {
  color: #00ff88;
  font-size: var(--text-sm);
  z-index: 1;
  position: relative;
}

.commit-line {
  flex: 0 0 20px;
  height: 2px;
  background: linear-gradient(90deg, #00ff88, transparent);
}

.commit-type {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.commit-feat {
  background: rgba(74, 222, 128, 0.2);
  color: #4ade80;
}
.commit-fix {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}
.commit-refactor {
  background: rgba(168, 85, 247, 0.2);
  color: #a855f7;
}
.commit-docs {
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
}
.commit-test {
  background: rgba(234, 179, 8, 0.2);
  color: #eab308;
}
.commit-chore {
  background: rgba(107, 114, 128, 0.2);
  color: #6b7280;
}
.commit-style {
  background: rgba(236, 72, 153, 0.2);
  color: #ec4899;
}
.commit-perf {
  background: rgba(249, 115, 22, 0.2);
  color: #f97316;
}
.commit-other {
  background: rgba(255, 255, 255, 0.1);
  color: #888;
}

.commit-message-text {
  font-size: var(--text-sm);
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.commit-attribution {
  margin-left: 116px;
  padding-top: var(--space-2xs);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.commit-sha-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--text-xs);
  color: #00d9ff;
  text-decoration: none;
}

.commit-sha-link:hover {
  color: #fff;
  text-decoration: underline;
}

.commit-by {
  font-size: var(--text-xs);
  color: #888;
}

/* Builders Grid */
.builders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-md);
}

.builder-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-lg) var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  text-align: center;
  animation: contributorFadeIn var(--duration-normal) ease backwards;
  transition: all var(--duration-fast);
}

.builder-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.builder-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  object-fit: cover;
}

.builder-name {
  font-size: var(--text-sm);
  color: #fff;
  font-weight: var(--font-medium);
}

.builder-xp {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: #fbbf24;
}

.builder-stats-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
  font-size: var(--text-base);
  transition: all var(--duration-fast);
}

.builder-stats-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

/* XP Note */
.xp-note {
  font-size: var(--text-xs);
  color: #666;
  margin: 0 0 var(--space-md);
  font-style: italic;
}

/* Timeline Actions */
.timeline-actions {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.btn-back-tree {
  padding: var(--space-sm) var(--space-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.btn-back-tree:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

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

@media (max-width: 768px) {
  .timeline-modal .timeline-content {
    width: 95%;
    max-height: 90vh;
  }

  .timeline-header {
    padding: var(--space-md) var(--space-lg);
    flex-wrap: wrap;
  }

  .timeline-header .modal-subtitle {
    order: 3;
    width: 100%;
    margin: var(--space-xs) 0 0;
  }

  .timeline-body {
    padding: var(--space-lg);
  }

  .commits-timeline::before {
    left: 10px;
  }

  .commit-timeline-row {
    flex-wrap: wrap;
  }

  .commit-date {
    width: auto;
    order: -1;
    text-align: left;
    margin-left: 24px;
    margin-bottom: var(--space-2xs);
  }

  .commit-dot {
    position: absolute;
    left: 0;
  }

  .commit-line {
    display: none;
  }

  .commit-attribution {
    margin-left: 24px;
  }

  .builders-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-sm);
  }

  .builder-card {
    padding: var(--space-md) var(--space-sm);
  }

  .builder-avatar {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 480px) {
  .contributors-grid {
    flex-direction: column;
  }

  .contributor-link {
    width: 100%;
  }

  .repo-stats {
    flex-direction: column;
  }

  .stat-item {
    width: 100%;
    justify-content: center;
  }

  .builders-grid {
    grid-template-columns: 1fr 1fr;
  }

  .commit-message-text {
    width: 100%;
    margin-top: var(--space-xs);
  }

  .commit-type {
    order: -1;
    margin-bottom: var(--space-2xs);
  }
}