/* ============================================================
   sidebar.css — Library sidebar: document list, folders, tags.
   ============================================================ */

/* ---------- Library sidebar ---------- */

#sidebar {
  width: 230px;
  flex: none;
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  overflow: hidden;
  user-select: none;
}

#sidebar.collapsed {
  display: none;
}

.sb-head {
  display: flex;
  align-items: center;
  height: 34px;
  flex: none;
  padding: 0 5px 0 12px;
  border-bottom: 1px solid var(--border-soft);
}

.sb-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

#sb-newfolder {
  margin-left: auto;
}

#sb-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.sb-item {
  position: relative;
  padding: 7px 26px 7px 10px;
  border-radius: var(--radius);
  cursor: pointer;
}

.sb-item:hover {
  background: var(--bg-raised);
}

.sb-item.active {
  background: var(--accent-dim);
}

.sb-item.active .sb-item-title {
  color: var(--accent);
}

.sb-item-title {
  font-size: 0.875rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sb-item-meta {
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-top: 2px;
}

.sb-del {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  display: none;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-faint);
  font-size: 0.875rem;
  line-height: 1;
  cursor: pointer;
}

.sb-item:hover .sb-del {
  display: flex;
}

.sb-del:hover {
  background: rgba(255, 99, 99, 0.15);
  color: var(--error-light);
}

.sb-empty {
  padding: 14px 10px;
  font-size: 0.875rem;
  color: var(--text-faint);
  text-align: center;
}

#toggle-sidebar.open {
  color: var(--accent);
  background: var(--accent-dim);
}

/* ---------- Library folders, tags & filter ---------- */

.sb-tools {
  flex: none;
  padding: 8px 8px 0;
}

#sb-filter {
  width: 100%;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: 0.8rem;
  outline: none;
}

#sb-filter:focus {
  border-color: var(--accent);
}

#sb-filter::placeholder {
  color: var(--text-faint);
}

#sb-tags {
  flex: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 74px;
  overflow-y: auto;
  padding: 8px 8px 2px;
}

#sb-tags.hidden {
  display: none;
}

.sb-tagchip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.72rem;
  line-height: 1.5;
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}

.sb-tagchip i {
  font-style: normal;
  color: var(--text-faint);
  font-size: 0.66rem;
}

.sb-tagchip:hover {
  color: var(--text);
  border-color: var(--accent);
}

.sb-tagchip.on {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.sb-tagchip.on i {
  color: var(--accent);
}

/* -- folder group rows -- */

.sb-folder {
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 4px;
  padding: 5px 8px;
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
}

.sb-folder:hover {
  background: var(--bg-raised);
}

.sb-caret {
  width: 12px;
  height: 12px;
  flex: none;
  color: var(--text-faint);
  transform: rotate(90deg);
  transition: transform 0.14s ease;
}

.sb-folder.closed .sb-caret {
  transform: rotate(0deg);
}

.sb-folder-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sb-folder-count {
  flex: none;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--bg-raised);
  color: var(--text-faint);
  font-size: 0.68rem;
  line-height: 1.6;
}

/* Docs inside a group indent under the caret. */
.sb-item.in-folder {
  margin-inline-start: 14px;
}

/* -- shared hover action buttons (docs + folder rows) -- */

.sb-act {
  display: none;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  background: var(--bg-raised);
  color: var(--text-faint);
  cursor: pointer;
  flex: none;
}

.sb-act svg {
  width: 12px;
  height: 12px;
}

.sb-act:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

.sb-folder:hover .sb-act {
  display: flex;
}

.sb-folder .sb-fadd {
  margin-left: auto;
}

.sb-folder .sb-fren {
}

.sb-folder .sb-fdel {
  font-size: 0.875rem;
  line-height: 1;
}

.sb-folder .sb-fdel:hover {
  background: rgba(255, 99, 99, 0.15);
  color: var(--error-light);
}

/* Doc rows stack move / tags / delete on the right edge on hover. */
.sb-item .sb-act {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.sb-item .sb-move { right: 46px; }
.sb-item .sb-tagbtn { right: 26px; }

.sb-item:hover .sb-act {
  display: flex;
}

.sb-item:hover .sb-del {
  background: var(--bg-raised);
}

/* Tiny tag chips inside the doc meta row. */
.sb-item-tag {
  margin-inline-start: 6px;
  color: var(--text-faint);
  font-size: 0.68rem;
}

.sb-item.active .sb-item-tag {
  color: var(--accent);
  opacity: 0.75;
}


/* ---------- multi-select mode (bulk delete) ---------- */

#sb-select-mode.on {
  color: var(--accent);
  background: var(--accent-dim);
}

.sb-select {
  flex: none;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.78rem;
}

.sb-select.hidden {
  display: none;
}

.sb-select-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.sb-select-toggle input {
  margin: 0;
  width: 14px;
  height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
}

.sb-sel-count {
  flex: 1;
  text-align: right;
  color: var(--text-faint);
  font-size: 0.7rem;
}

.sb-sel-del {
  flex: none;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--error-light);
  font-size: 0.75rem;
  line-height: 1.4;
  cursor: pointer;
}

.sb-sel-del:hover:not(:disabled) {
  background: rgba(255, 99, 99, 0.15);
  border-color: var(--error-light);
}

.sb-sel-del:disabled {
  opacity: 0.45;
  cursor: default;
}

/* leading checkbox on each doc row while in select mode */
.sb-item .sb-check {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

#sidebar.sb-mode-select .sb-item .sb-check {
  display: block;
}

#sidebar.sb-mode-select .sb-item {
  padding-left: 27px;
}

/* hover action buttons are hidden while rows are being selected */
#sidebar.sb-mode-select .sb-item .sb-act,
#sidebar.sb-mode-select .sb-item .sb-del {
  display: none;
}


/* ---------- folder tree extras ---------- */

.sb-folder-emoji {
  flex: none;
  font-size: 0.85rem;
  line-height: 1;
}

.sb-fpin {
  flex: none;
  display: inline-flex;
  color: var(--accent);
}

.sb-fpin svg {
  width: 12px;
  height: 12px;
}

.sb-folder .sb-fmore {
  color: var(--text-faint);
}

/* folder select-all checkbox — a flex child, so it only takes space in select mode */
.sb-fsel {
  display: none;
  width: 14px;
  height: 14px;
  margin: 0;
  flex: none;
  accent-color: var(--accent);
  cursor: pointer;
}

#sidebar.sb-mode-select .sb-fsel {
  display: block;
}

#sidebar.sb-mode-select .sb-folder .sb-act {
  display: none;
}

/* folder options popover (hosted in document.body) */
.sb-fmenu {
  position: fixed;
  z-index: 120;
  min-width: 152px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.sb-fmenu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 6px 10px;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
}

.sb-fmenu button:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

/* bulk-move button in the select bar (neutral, not the danger delete) */
.sb-sel-move {
  flex: none;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.4;
  cursor: pointer;
}

.sb-sel-move:hover:not(:disabled) {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
}

.sb-sel-move:disabled {
  opacity: 0.45;
  cursor: default;
}

.sb-folder[data-pinned="1"] .sb-folder-name {
  color: var(--accent);
}

/* Keep user folder colors in the label, never in a decorative side rail. */
.sb-folder-name {
  color: var(--fcolor, inherit);
}

.sb-folder-emoji {
  padding: 1px 3px;
  margin-inline-end: 2px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--fcolor, transparent) 20%, transparent);
}

/* Danger item at the bottom of the folder menu */
.sb-fmenu button[data-act="del"] {
  margin-top: 4px;
  padding-top: 7px;
  border-top: 1px solid var(--border);
  color: var(--delete);
}

.sb-fmenu button[data-act="del"]:hover {
  background: rgba(229, 72, 77, 0.14);
  color: var(--delete);
}

@media (max-width: 767px) {
  .editor-page #sidebar:not(.collapsed),
  .todo-page #sidebar:not(.collapsed) {
    position: absolute;
    inset: 0 auto 0 0;
    z-index: 30;
    box-shadow: 14px 0 32px rgba(0, 0, 0, 0.42);
  }
}