Stirling-PDF/frontend/src/core/components/shared/FileSidebar.css

/* ========== FILE SIDEBAR ========== */

.file-sidebar {
  background-color: var(--bg-toolbar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  z-index: 10;
  transition:
    width 0.22s cubic-bezier(0.4, 0, 0.2, 1),
    min-width 0.22s cubic-bezier(0.4, 0, 0.2, 1),
    max-width 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}

.file-sidebar-inner {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* ---- Header ---- */
.file-sidebar-header {
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 14px;
  gap: 10px;
  cursor: pointer;
  border-radius: 4px;
  margin: 4px 4px 0 4px;
  flex-shrink: 0;
  transition: background-color 0.15s ease;
}

/* Icons stay left-aligned during animation; overflow:hidden on inner clips text naturally */

.file-sidebar-header:hover {
  background-color: var(--bg-hover);
}

.file-sidebar-menu-icon {
  color: var(--text-muted) !important;
  font-size: 18px !important;
  flex-shrink: 0;
}

.file-sidebar-brand-text {
  height: 22px;
  width: auto;
  flex-shrink: 0;
}

/* ---- Search row ---- */
.file-sidebar-search-row {
  display: flex;
  align-items: center;
  min-height: 32px;
  padding: 0 14px;
  gap: 0;
  cursor: pointer;
  border-radius: 4px;
  margin: 0 4px;
  flex-shrink: 0;
  transition: background-color 0.15s ease;
}

.file-sidebar-search-row:not(.active):hover {
  background-color: var(--bg-hover);
}

.file-sidebar-search-icon {
  color: var(--text-muted) !important;
  font-size: 18px !important;
  flex-shrink: 0;
}

.file-sidebar-search-close {
  cursor: pointer;
}

.file-sidebar-search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--text-primary);
  margin-left: 12px;
  min-width: 0;
}

.file-sidebar-search-input::placeholder {
  color: var(--text-muted);
}

.file-sidebar-search-label {
  margin-left: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* ---- Scrollable content ---- */
/* This is a flex column — action rows are fixed, only the file list scrolls */
.file-sidebar-scroll {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.file-sidebar-scroll::-webkit-scrollbar {
  width: 4px;
}
.file-sidebar-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.file-sidebar-scroll::-webkit-scrollbar-thumb {
  background: rgb(var(--border));
  border-radius: 2px;
}

/* ---- Action rows (Open from Computer, etc.) ---- */
.file-sidebar-action-row {
  display: flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  cursor: pointer;
  border-radius: 4px;
  margin: 0 4px;
  gap: 0;
  transition: background-color 0.15s ease;
  flex-shrink: 0;
}

.file-sidebar-action-row:hover {
  background-color: var(--bg-hover);
}

.file-sidebar-action-icon {
  color: var(--text-muted) !important;
  font-size: 18px !important;
  flex-shrink: 0;
}

.file-sidebar-action-label {
  margin-left: 12px;
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ---- Cloud storage rows ---- */
.file-sidebar-cloud-row {
  display: flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  cursor: pointer;
  border-radius: 4px;
  margin: 0 4px;
  gap: 0;
  transition: background-color 0.15s ease;
  flex-shrink: 0;
}

.file-sidebar-cloud-row:not(.disabled):hover {
  background-color: var(--bg-hover);
}

.file-sidebar-cloud-row.disabled {
  cursor: default;
  opacity: 0.5;
}

.file-sidebar-cloud-icon-wrapper {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.file-sidebar-cloud-icon-gray {
  position: absolute;
  inset: 0;
  transition: opacity 0.2s ease;
  opacity: 1;
}

.file-sidebar-cloud-icon-color {
  position: absolute;
  inset: 0;
  transition: opacity 0.2s ease;
  opacity: 0;
}

.file-sidebar-cloud-row:not(.disabled):hover .file-sidebar-cloud-icon-gray {
  opacity: 0;
}

.file-sidebar-cloud-row:not(.disabled):hover .file-sidebar-cloud-icon-color {
  opacity: 1;
}

/* ---- Files section ---- */
.file-sidebar-files-section {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  margin-top: 4px;
}

.file-sidebar-file-list {
  flex: 1;
  min-height: 0;
  overflow-y: scroll;
}

.file-sidebar-file-list::-webkit-scrollbar {
  width: 4px;
}
.file-sidebar-file-list::-webkit-scrollbar-track {
  background: transparent;
}
.file-sidebar-file-list::-webkit-scrollbar-thumb {
  background: rgb(var(--border));
  border-radius: 2px;
}
.file-sidebar-file-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.file-sidebar-section-divider {
  border-top: 1px solid var(--border-subtle);
  margin: 10px 14px 6px 14px;
}

.file-sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px 6px 14px;
  margin: 4px 0 0 0;
}

.file-sidebar-section-header {
  position: relative;
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
  margin-top: 4px;
  flex-shrink: 0;
}

.file-sidebar-section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.file-sidebar-section-count {
  font-size: 11px;
  color: var(--text-muted);
}

.file-sidebar-section-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0;
  outline: none;
  transition:
    background-color 0.12s ease,
    color 0.12s ease,
    opacity 0.12s ease;
}

.file-sidebar-section-btn:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 1px;
}

.file-sidebar-section-btn:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.file-sidebar-section-btn-external {
  opacity: 0;
  pointer-events: none;
}

.file-sidebar-section-header:hover .file-sidebar-section-btn-external {
  opacity: 1;
  pointer-events: auto;
}

.file-sidebar-section-btn-add {
  margin-left: auto;
}

/* ---- Sidebar content fade (for collapsed state) ---- */
/* Elements are conditionally rendered so use animation (not transition) to fade in from 0.
   Delay until the width animation is nearly done (0.18s of 0.22s) to avoid squashed-text effect. */
@keyframes sidebar-content-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.sidebar-content-fade {
  animation: sidebar-content-in 0.12s ease 0.18s both;
}

.file-sidebar[data-collapsed="true"] .sidebar-content-fade {
  opacity: 0;
  pointer-events: none;
  animation: none;
}

/* ---- Bottom bar (user + settings) ---- */
.file-sidebar-bottom-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
  min-height: 48px;
}

/* Bottom bar settings icon tracks the right edge during collapse animation */

.file-sidebar-bottom-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--mantine-color-blue-6, #3b82f6);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  user-select: none;
}

.file-sidebar-bottom-name {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.file-sidebar-bottom-bar[role="button"]:hover {
  background-color: var(--bg-hover);
}

.file-sidebar-bottom-bar[role="button"]:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: -2px;
}

.file-sidebar-bottom-settings {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  color: var(--text-muted);
  padding: 0;
  flex-shrink: 0;
  margin-left: auto;
}

.file-sidebar[data-collapsed="true"] .file-sidebar-bottom-settings {
  width: 32px;
  height: 32px;
}

.file-sidebar[data-collapsed="true"] .file-sidebar-bottom-bar {
  justify-content: center;
  padding: 8px 0;
}