/* ==========================================
   DineDesk — GitHub-Styled Version History & Releases CSS
   ========================================== */

.version-history-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 1100px;
  margin: 0 auto;
  padding-bottom: var(--space-12);
}

/* Header Repo Overview Card */
.vh-repo-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.vh-repo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.vh-repo-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.vh-repo-title h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.vh-repo-visibility {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  background: var(--color-primary-bg);
  color: var(--color-primary-dark);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.vh-repo-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.vh-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-4);
  background: var(--color-background);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.vh-stat-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.vh-stat-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.vh-stat-info {
  display: flex;
  flex-direction: column;
}

.vh-stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
}

.vh-stat-value {
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

/* Control Bar: Filters & Search */
.vh-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.vh-search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.vh-search-box input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: var(--transition-fast);
}

.vh-search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.vh-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
}

.vh-filter-tabs {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: var(--color-surface);
  padding: 4px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.vh-tab-btn {
  padding: 6px 14px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
}

.vh-tab-btn:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-hover);
}

.vh-tab-btn.active {
  color: var(--color-primary-dark);
  background: var(--color-primary-lighter);
  font-weight: var(--font-weight-semibold);
}

/* GitHub Timeline Container */
.vh-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding-left: 28px;
}

.vh-timeline::before {
  content: '';
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 11px;
  width: 2px;
  background: var(--color-border);
  border-radius: 2px;
}

/* Release Card Item */
.vh-release-item {
  position: relative;
}

.vh-timeline-node {
  position: absolute;
  left: -28px;
  top: 16px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-background);
  z-index: 2;
}

.vh-release-item.latest .vh-timeline-node {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary-dark);
}

.vh-release-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition-fast);
}

.vh-release-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(79, 70, 229, 0.3);
}

/* Release Card Header */
.vh-release-header {
  padding: var(--space-5) var(--space-6);
  background: linear-gradient(to right, rgba(248, 250, 252, 0.8), var(--color-surface));
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.vh-release-meta-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.vh-tag-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.vh-version-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-mono, monospace);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.vh-badge {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.vh-badge.success {
  background: var(--color-success-bg);
  color: #15803D;
  border: 1px solid var(--color-success-border);
}

.vh-badge.primary {
  background: var(--color-info-bg);
  color: #1D4ED8;
  border: 1px solid var(--color-info-border);
}

.vh-badge.neutral {
  background: var(--color-surface-hover);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.vh-release-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.vh-author-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.vh-author-avatar {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.vh-pub-date {
  color: var(--color-text-tertiary);
}

/* Release Card Body */
.vh-release-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.vh-release-summary {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* Highlights Box */
.vh-highlights-box {
  background: var(--color-primary-bg);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}

.vh-highlights-box h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-dark);
  margin: 0 0 var(--space-2) 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.vh-highlights-list {
  margin: 0;
  padding-left: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.vh-highlights-list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
}

/* Section Breakdown (Features, Improvements, Fixes) */
.vh-changelog-sections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.vh-section-block h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.vh-bullet-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.vh-bullet-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.vh-bullet-list li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--color-primary);
  font-weight: bold;
}

/* Commits List Table */
.vh-commits-section {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-5);
}

.vh-commits-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vh-commit-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.vh-commit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  gap: var(--space-4);
  transition: var(--transition-fast);
}

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

.vh-commit-row:hover {
  background: var(--color-surface-hover);
}

.vh-commit-msg-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  flex: 1;
}

.vh-commit-icon {
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.vh-commit-msg {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
}

.vh-commit-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.vh-commit-author {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.vh-diff-badge {
  font-family: monospace;
  font-size: var(--font-size-xs);
  display: flex;
  align-items: center;
  gap: 4px;
}

.vh-additions { color: #16A34A; }
.vh-deletions { color: #DC2626; }

.vh-sha-btn {
  font-family: monospace;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  color: var(--color-text-link);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-fast);
}

.vh-sha-btn:hover {
  background: var(--color-primary-lighter);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

/* Modal Diff View */
.vh-diff-modal {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 780px;
}

.vh-diff-header-info {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.vh-diff-sha-full {
  font-family: monospace;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  word-break: break-all;
}

.vh-diff-files-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-top: var(--space-2);
}

.vh-file-diff-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #1E293B;
  color: #F8FAFC;
}

.vh-file-diff-header {
  background: #0F172A;
  padding: 8px 14px;
  font-family: monospace;
  font-size: var(--font-size-xs);
  border-bottom: 1px solid #334155;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.vh-diff-code-body {
  padding: 12px;
  font-family: Consolas, Monaco, 'Andale Mono', monospace;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-x: auto;
  color: #E2E8F0;
}

.vh-diff-line-add {
  background: rgba(34, 197, 94, 0.15);
  color: #4ADE80;
}

.vh-diff-line-del {
  background: rgba(239, 68, 68, 0.15);
  color: #F87171;
}

/* Empty search state */
.vh-empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-xl);
  color: var(--color-text-secondary);
}