.app-sidebar-secondary:has(.epic-sidebar) .app-navigation-toolbar {
  box-sizing: border-box;
  height: 56px;
  min-height: 56px;
  padding: 0 20px;
  align-items: center;
}

.app-navigation-projects:has(> .epic-sidebar) {
  display: flex;
  overflow: hidden;
  padding: 4px 8px 16px;
}

.epic-sidebar {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.epic-sidebar .app-project-link {
  box-sizing: border-box;
  flex-shrink: 0;
  min-height: 36px;
  padding: 8px 12px;
  line-height: 20px;
}

.epic-sidebar .app-project-link:hover { background: transparent; color: #475569; }
.epic-sidebar .app-project-link.is-active,
.epic-sidebar .app-project-link.is-active:hover { background: #e5e7eb; color: #111827; font-weight: 600; }
.epic-sidebar > .app-project-create { margin: 0 0 8px; }

.epic-item-list {
  display: flex;
  flex: 0 1 auto;
  flex-direction: column;
  gap: 2px;
  min-height: 36px;
  max-height: min(250px, 35dvh);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.epic-sidebar:not(:has(.epic-source-navigation)) .epic-item-list { flex: 1; max-height: none; }
.epic-item-list:empty { min-height: 0; }
.epic-sidebar .epic-source-navigation {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  margin-top: 12px;
  padding-top: 12px;
}

.epic-sidebar .epic-sidebar-tabs { flex-shrink: 0; margin-bottom: 8px; }
.epic-sidebar .epic-sidebar-tabs button { min-height: 32px; padding: 6px 3px; line-height: 18px; }
.epic-sidebar [role="tabpanel"] { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; }
.epic-sidebar [role="tabpanel"] > .app-project-link { min-height: 32px; padding: 6px 12px; }

@media (hover: hover) {
  .epic-sidebar .app-project-link:not(.is-active):not(.app-project-create):hover { background: #f3f4f6; color: #111827; }
}

@media (max-width: 1023.98px) {
  .app-navigation-projects:has(> .epic-sidebar) { padding-bottom: calc(16px + env(safe-area-inset-bottom)); }
  .epic-sidebar .app-project-link { min-height: 44px; padding-block: 12px; }
  .epic-sidebar .epic-item-list { min-height: 44px; max-height: 35dvh; }
  .epic-sidebar:not(:has(.epic-source-navigation)) .epic-item-list { max-height: none; }
  .epic-sidebar .epic-sidebar-tabs button { min-height: 44px; }
  .epic-sidebar [role="tabpanel"] > .app-project-link { min-height: 44px; padding-block: 12px; }
}

.epic-item-list .app-project-link { display: flex; align-items: center; gap: 8px; }
.epic-item-kind { display: inline-flex; flex: 0 0 16px; color: #64748b; }
.epic-item-kind .epic-icon { width: 16px; height: 16px; }
.epic-item-title { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.epic-sidebar .epic-sidebar-tabs { display: flex; align-items: stretch; width: 100%; }
.epic-sidebar .epic-sidebar-tabs > button:not(.epic-sidebar-resolution) { flex: 1; }
.epic-resolution-sidebar { --epic-line: #dce4ef; --epic-muted: #5d6d86; width: 100%; min-width: 0; padding: 4px 8px 12px; }
.epic-resolution-sidebar .epic-dialog-form { display: block; }
.epic-resolution-sidebar .epic-dialog-body { padding: 0; background: transparent; overflow: visible; }
.epic-resolution-sidebar .epic-resolution-entry,
.epic-resolution-sidebar .epic-resolution-entry:first-of-type { padding: 16px 0; margin: 0; border: 0; border-bottom: 1px solid var(--epic-line); border-radius: 0; background: transparent; }
.epic-resolution-sidebar .epic-resolution-question legend { font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
.epic-resolution-sidebar .epic-resolution-number { font-size: 11px; margin-bottom: 6px; }
.epic-resolution-sidebar .epic-resolution-reason, .epic-resolution-sidebar .epic-resolution-quote { font-size: 12px; }
.epic-resolution-sidebar .epic-choice { font-size: 13px; padding: 8px; gap: 6px; }
.epic-resolution-sidebar .epic-choice input { flex-shrink: 0; }
.epic-resolution-sidebar textarea { width: 100%; box-sizing: border-box; font-size: 14px; padding: 8px; }
.epic-resolution-sidebar .epic-dialog-foot { display: flex; flex-direction: column; align-items: stretch; max-width: none; width: 100%; padding: 12px 0; gap: 8px; }
.epic-resolution-sidebar .epic-dialog-foot > .epic-button { width: 100%; padding: 8px; font-size: 13px; }
.epic-resolution-sidebar .epic-resolution-refresh { display: block; padding: 12px 0; border-top: 0; }
.epic-resolution-sidebar .epic-resolution-refresh .epic-analysis-form { align-items: stretch; }
.epic-resolution-sidebar .epic-resolution-refresh .epic-analysis-action > .epic-form-feedback[role="status"] { text-align: center; }
.epic-resolution-sidebar .epic-text-link { color: #5d6d86; font-size: 13px; }
.epic-resolution-sidebar .epic-save-status { font-size: 12px; overflow-wrap: anywhere; }
.epic-resolution-sidebar { --epic-ink: #152038; --epic-blue: #0671e8; color: var(--epic-ink); }
.epic-resolution-sidebar textarea:focus { outline: none; box-shadow: none; }
.epic-sidebar .epic-sidebar-tabs > .epic-sidebar-resolution { border-radius: 0; }
.epic-resolution-sidebar .epic-resolution-refresh button { width: 100%; min-height: 36px; padding: 8px; border: 1px solid var(--epic-line); border-radius: 6px; background: #fff; text-decoration: none; }
.epic-resolution-sidebar input:focus { outline: none; box-shadow: none; }

/* Item navigation belongs to the item: under the title, on the same level as the item tabs.
   Below 1024px it opens from the outline button as its own drawer. */
.epic-detail-sidebar { display: flex; flex-direction: column; min-height: 0; background: #fff; overflow: hidden; }
.epic-detail-sidebar .epic-source-navigation { margin: 0; padding: 0; border: 0; }
.epic-detail-sidebar .epic-sidebar-switcher { flex-shrink: 0; min-height: 56px; margin-bottom: 0; padding: 0 12px; border-bottom: 1px solid var(--epic-line); }
.epic-detail-sidebar .epic-sidebar-tabs { margin: 0; }
.epic-detail-sidebar [role="tabpanel"] { padding: 12px 8px; }
.epic-detail-sidebar .epic-detail-back { display: none; }
.epic-detail-back .epic-icon { transform: rotate(180deg); }
.epic-detail-sidebar .epic-sidebar-tabs > button { height: 56px; min-height: 56px; }
.epic-detail-backdrop { display: none; }
@media (min-width: 1024px) {
  .epic-item-layout { margin-inline: -24px; }
  .epic-item-main { min-width: 0; padding-inline: 24px; container: epic / inline-size; }
  .epic-item-layout.has-navigation { display: grid; grid-template-columns: 240px minmax(0, 1fr); align-items: start; }
  .epic-item-navigation { position: sticky; top: 0; z-index: 3; height: 100dvh; }
  .epic-item-navigation .epic-detail-sidebar { height: 100%; border-right: 1px solid var(--epic-line); }
  .epic-item-navigation .epic-sidebar-switcher { height: 54px; min-height: 54px; }
  .epic-item-navigation .epic-sidebar-tabs > button { height: 53px; min-height: 53px; }
  .epic-item-main > .epic-tabs { min-height: 54px; }
}
@media (max-width: 1023.98px) {
  .epic-item-navigation { display: contents; }
  .epic-detail-backdrop { display: block; position: fixed; inset: 0; z-index: 57; background: rgba(0, 0, 0, .5); opacity: 0; visibility: hidden; transition: opacity .2s ease, visibility 0s linear .2s; }
  .epic-detail-sidebar { position: fixed; inset: 0 auto 0 0; z-index: 58; width: min(336px, calc(100vw - 16px)); border-right: 1px solid #d9dee7; box-shadow: 12px 0 24px rgba(15, 23, 42, .08); transform: translateX(-100%); visibility: hidden; transition: transform .2s ease, visibility 0s linear .2s; }
  html[data-epic-nav-open="true"] .epic-detail-backdrop { opacity: 1; visibility: visible; transition: opacity .2s ease; }
  html[data-epic-nav-open="true"] .epic-detail-sidebar { transform: none; visibility: visible; transition: transform .2s ease; }
  .epic-detail-sidebar .epic-detail-back { display: inline-flex; flex: 0 0 32px; width: 32px; height: 56px; min-height: 56px; }
  .epic-detail-sidebar .epic-sidebar-switcher { padding-inline: 4px; gap: 2px; }
}
@media (max-width: 1023.98px) and (prefers-reduced-motion: reduce) {
  .epic-detail-backdrop, .epic-detail-sidebar, html[data-epic-nav-open="true"] .epic-detail-backdrop, html[data-epic-nav-open="true"] .epic-detail-sidebar { transition: none; }
}

.epic-resolution-history { margin-top: 12px; border-top: 1px solid var(--epic-line); }
.epic-resolution-history summary { min-height: 44px; padding: 12px 0; font-size: 13px; color: var(--epic-muted); cursor: pointer; }

.epic-navigation-empty { margin: 0; padding: 28px 12px; color: var(--epic-faint, #64748b); font-size: 13px; line-height: 1.7; text-align: center; }