/* ==========================================================================
   Milestones & Releases Management Styles (Jira Versions & Release Hub)
   ========================================================================== */

.milestones-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.milestones-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.milestone-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.milestone-card:hover {
  border-color: var(--border-default);
}

.milestone-card-header {
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  gap: 16px;
  flex-wrap: wrap;
}

.milestone-info-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.version-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  border: 1px solid var(--brand-primary-border);
}

.milestone-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.milestone-due {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.milestone-body {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.milestone-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.milestone-progress-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-card);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.milestone-progress-labels {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.milestone-issues-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.milestone-issue-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.milestone-issue-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}