/* ======== Skip Link ======== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: fixed;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  overflow: visible;
  padding: 8px 16px;
  background: var(--accent, #0a84ff);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  z-index: 99999;
  text-decoration: none;
}

/* ======== Reset & Variables ======== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: inherit;
}

:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --sidebar-bg: #1c1c1e;
  --sidebar-text: #f5f5f7;
  --sidebar-hover: #2c2c2e;
  --sidebar-active: #0a84ff;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #636366;
  --border: #d2d2d7;
  --accent: #0a84ff;
  --green: #30d158;
  --green-text: #248a3d;
  --orange: #ff9f0a;
  --red: #ff453a;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  /* Component-level theme variables (light defaults) */
  --status-completed-bg: rgba(48,209,88,0.12);
  --status-completed-color: #248a3d;
  --status-processing-bg: rgba(10,132,255,0.12);
  --status-processing-color: #0a84ff;
  --status-pending-bg: rgba(255,159,10,0.12);
  --status-pending-color: #c77c00;
  --status-failed-bg: rgba(255,69,58,0.12);
  --status-failed-color: #d70015;
  --loading-bg: rgba(255,255,255,0.9);
  --google-btn-border: var(--border);
  --google-btn-hover-bg: var(--bg);
  --google-btn-hover-shadow: 0 2px 8px rgba(0,0,0,0.08);
  --google-btn-active-bg: var(--border);
  --overlay-bg: rgba(0,0,0,0.4);
  --toast-shadow: 0 4px 12px rgba(0,0,0,0.15);
  --code-bg: rgba(0,0,0,0.06);
  --tag-chip-bg: rgba(10,132,255,0.08);
  --search-clear-hover-bg: rgba(0,0,0,0.05);
  --search-clear-active-bg: rgba(0,0,0,0.1);
  --note-hover-bg: var(--bg);
  --note-active-bg: rgba(10,132,255,0.06);
  --note-pinned-bg: rgba(255,159,10,0.04);
  --note-pinned-hover-bg: rgba(255,159,10,0.08);
  --note-pinned-active-bg: rgba(10,132,255,0.06);
  --keyboard-focused-bg: rgba(10,132,255,0.03);
  --dropdown-bg: var(--surface);
  --dropdown-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

/* ======== Dark Theme ========
   data-theme='dark' is set by an inline script in <head> before CSS renders,
   so no @media fallback is needed. All dark values live here as variables. */
[data-theme='dark'] {
  --bg: #1c1c1e;
  --surface: #2c2c2e;
  --sidebar-bg: #000000;
  --sidebar-text: #f5f5f7;
  --sidebar-hover: #1c1c1e;
  --sidebar-active: #0a84ff;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #aeaeb2;
  --border: #3a3a3c;
  --accent: #0a84ff;
  --green: #30d158;
  --green-text: #30d158;
  --orange: #ff9f0a;
  --red: #ff453a;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --status-completed-bg: rgba(48,209,88,0.2);
  --status-completed-color: #30d158;
  --status-processing-bg: rgba(10,132,255,0.2);
  --status-processing-color: #0a84ff;
  --status-pending-bg: rgba(255,159,10,0.2);
  --status-pending-color: #ff9f0a;
  --status-failed-bg: rgba(255,69,58,0.2);
  --status-failed-color: #ff453a;
  --loading-bg: rgba(28,28,30,0.9);
  --google-btn-border: #48484a;
  --google-btn-hover-bg: #3a3a3c;
  --google-btn-hover-shadow: 0 2px 8px rgba(0,0,0,0.3);
  --google-btn-active-bg: #48484a;
  --overlay-bg: rgba(0,0,0,0.6);
  --toast-shadow: 0 4px 12px rgba(0,0,0,0.4);
  --code-bg: rgba(255,255,255,0.1);
  --tag-chip-bg: rgba(10,132,255,0.15);
  --search-clear-hover-bg: rgba(255,255,255,0.08);
  --search-clear-active-bg: rgba(255,255,255,0.15);
  --note-hover-bg: #3a3a3c;
  --note-active-bg: rgba(10,132,255,0.15);
  --note-pinned-bg: rgba(255,159,10,0.08);
  --note-pinned-hover-bg: rgba(255,159,10,0.14);
  --note-pinned-active-bg: rgba(10,132,255,0.15);
  --keyboard-focused-bg: rgba(10,132,255,0.1);
  --dropdown-bg: #3a3a3c;
  --dropdown-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

/* Dark mode: custom scrollbar (not variable-ized — scrollbar pseudo-elements
   have inconsistent var() support; kept as explicit selector pair) */
[data-theme='dark'] ::-webkit-scrollbar { width: 8px; }
[data-theme='dark'] ::-webkit-scrollbar-track { background: transparent; }
[data-theme='dark'] ::-webkit-scrollbar-thumb { background: #48484a; border-radius: 4px; }
[data-theme='dark'] ::-webkit-scrollbar-thumb:hover { background: #636366; }

html,
body {
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  height: 100dvh;
  overflow: hidden;
}

/* ======== Layout ======== */
#app {
  display: flex;
  height: 100dvh;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* ======== Sidebar ======== */
#sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: 24px 20px 16px;
  background: linear-gradient(180deg, rgba(10,132,255,0.20) 0%, transparent 100%);
}

.sidebar-close-btn {
  display: none;
}

.sidebar-header h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--accent);
}

#folder-list {
  flex: 1;
  min-height: 0;
  padding: 0 12px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.18) transparent;
}

#folder-list::-webkit-scrollbar {
  width: 3px;
}

#folder-list::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.18);
  border-radius: 2px;
}

.folder-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s;
  user-select: none;
}

.folder-item:hover {
  background: var(--sidebar-hover);
}

.folder-item:active:not(.active) {
  background: rgba(255, 255, 255, 0.1);
}

.folder-item.active {
  background: var(--sidebar-active);
  font-weight: 600;
}

.folder-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder-count {
  font-size: 12px;
  opacity: 0.85;
  min-width: 20px;
  text-align: right;
}

.folder-divider {
  height: 1px;
  background: rgba(255,255,255,0.1);
  margin: 8px 12px;
}

/* ======== Custom Folders Header ======== */
.custom-folders-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 12px;
}

.folder-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.5;
}

.folder-add-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--sidebar-text);
  opacity: 0.5;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s, background 0.15s;
}

.folder-add-btn:hover {
  opacity: 1;
  background: var(--sidebar-hover);
}

.folder-add-btn:active {
  background: rgba(255, 255, 255, 0.1);
}

.folder-add-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  opacity: 1;
}

/* Folder item actions (rename/delete) */
.folder-right-group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.folder-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s, visibility 0.15s;
}

.folder-custom-item:hover .folder-actions,
.folder-custom-item:focus-within .folder-actions {
  opacity: 1;
  visibility: visible;
}

.folder-action-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--sidebar-text);
  opacity: 0.5;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s, background 0.15s;
}

.folder-action-btn:hover {
  opacity: 1;
  background: rgba(255,255,255,0.1);
}

.folder-action-delete:hover {
  color: var(--red);
  opacity: 1;
}

.folder-action-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  opacity: 1;
}

/* Folder drag-and-drop */
.folder-drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  color: var(--sidebar-text);
  margin-right: 4px;
  flex-shrink: 0;
  cursor: grab;
  transition: opacity 0.15s;
}

.folder-custom-item:hover .folder-drag-handle,
.folder-custom-item:focus-within .folder-drag-handle {
  opacity: 0.4;
}

.folder-drag-handle:hover {
  opacity: 0.8 !important;
}

.folder-custom-item[draggable] {
  cursor: grab;
}

.folder-custom-item.dragging {
  opacity: 0.4;
  cursor: grabbing;
}

.folder-custom-item.drag-over-top {
  border-top: 2px solid var(--sidebar-active);
  padding-top: 6px;
}

.folder-custom-item.drag-over-bottom {
  border-bottom: 2px solid var(--sidebar-active);
  padding-bottom: 6px;
}

/* Folder create/rename inputs */
.folder-create-input,
.folder-rename-input {
  width: 100%;
  border: 1px solid var(--sidebar-active);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 14px;
  color: var(--sidebar-text);
  background: rgba(255,255,255,0.1);
  outline: none;
}

.folder-create-input::placeholder {
  color: rgba(255,255,255,0.4);
}

.folder-create-input:focus,
.folder-rename-input:focus {
  box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.4);
}

.folder-create-wrapper {
  padding: 4px 12px;
}

/* ======== Main ======== */
#main {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* ======== Note List ======== */
#note-list-panel {
  width: 340px;
  min-width: 340px;
  border-right: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 16px 12px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-size: 18px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--accent);
  padding: 4px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  transition: background 0.15s;
}

.icon-btn:hover {
  background: rgba(10, 132, 255, 0.08);
}

.icon-btn:active {
  background: rgba(10, 132, 255, 0.15);
}

/* ======== Search Bar ======== */
.search-bar {
  position: relative;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
}

.search-icon {
  position: absolute;
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

#search-input {
  width: 100%;
  border: none;
  background: var(--bg);
  border-radius: 8px;
  padding: 8px 32px 8px 36px;
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
}

#search-input::placeholder {
  color: var(--text-tertiary);
}

#search-input:focus {
  box-shadow: 0 0 0 2px var(--accent);
}

.search-clear {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  padding: 4px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-clear:hover {
  color: var(--text-secondary);
  background: var(--search-clear-hover-bg);
}

.search-clear:active {
  background: var(--search-clear-active-bg);
}

.search-match {
  background: rgba(255, 204, 0, 0.3);
  border-radius: 2px;
}

#note-list {
  flex: 1;
  overflow-y: auto;
}

.note-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: background 0.15s;
}

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

.note-item:active:not(.active) {
  background: var(--border);
}

.note-item.active {
  background: var(--note-active-bg);
  border-left-color: var(--accent);
}

.note-item.keyboard-focused {
  border-left: 3px solid var(--accent);
  background: var(--keyboard-focused-bg);
}

.note-item-title {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-item-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.note-item-meta > span + span::before {
  content: "\00B7";
  margin-right: 8px;
  color: var(--text-tertiary);
  font-weight: 700;
}

.status-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.status-dot.completed { background: var(--green); }
.status-dot.processing { background: var(--accent); }
.status-dot.pending { background: var(--orange); }
.status-dot.failed { background: var(--red); }

.note-item-retry-btn {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--accent);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.note-item-retry-btn:hover {
  background: rgba(10,132,255,0.08);
  border-color: var(--accent);
}

.note-item-retry-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

#empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

.empty-state-icon {
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

.empty-state-title {
  font-size: 15px;
  font-weight: 500;
}

.empty-state-hint {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ======== Note Detail ======== */
#note-detail-panel {
  flex: 1;
  overflow-y: auto;
  background: var(--surface);
  padding: 32px;
}

#note-detail {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.detail-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.3;
  margin-bottom: 12px;
  overflow-wrap: break-word;
}

.detail-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.detail-action-scroll {
  position: relative;
}

.detail-action-group {
  display: flex;
  gap: 4px;
  align-items: center;
}

.detail-meta-sep {
  color: var(--text-tertiary);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 500;
}

.status-badge.completed { background: var(--status-completed-bg); color: var(--status-completed-color); }
.status-badge.processing { background: var(--status-processing-bg); color: var(--status-processing-color); }
.status-badge.pending { background: var(--status-pending-bg); color: var(--status-pending-color); }
.status-badge.failed { background: var(--status-failed-bg); color: var(--status-failed-color); }

.detail-divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* Summary section */
.summary-box {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 20px 24px;
  line-height: 1.7;
  overflow-wrap: break-word;
  word-break: break-word;
}

.summary-box h1 {
  font-size: 20px;
  font-weight: 700;
  margin: 16px 0 8px;
}

.summary-box h1:first-child {
  margin-top: 0;
}

.summary-box h2 {
  font-size: 17px;
  font-weight: 600;
  margin: 14px 0 6px;
}

.summary-box h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 12px 0 4px;
}

.summary-box p {
  margin: 6px 0;
}

.summary-box ul,
.summary-box ol {
  padding-left: 20px;
  margin: 6px 0;
}

.summary-box li {
  margin: 4px 0;
}

.summary-box li ul,
.summary-box li ol {
  margin: 2px 0;
}

.summary-box strong {
  font-weight: 600;
}

.summary-box code {
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.9em;
}

.summary-box a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s;
}

.summary-box a:hover {
  text-decoration: underline;
}

.summary-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* Source link */
.source-link {
  display: block;
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  overflow-wrap: break-word;
  max-width: 100%;
}

.source-link:hover {
  text-decoration: underline;
}

.source-link:active {
  opacity: 0.7;
}

/* Collapsible raw text */
.raw-text-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background 0.15s;
}

.raw-text-toggle:hover {
  background: var(--bg);
}

.raw-text-toggle:active {
  background: var(--border);
}

.raw-text-content {
  margin-top: 8px;
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
}

/* Processing state */
.processing-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px;
  background: rgba(10,132,255,0.05);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 14px;
}

.processing-box .spinner-small {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(10,132,255,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Failed state */
.failed-box {
  text-align: center;
  padding: 24px;
  background: rgba(255,69,58,0.05);
  border-radius: var(--radius);
  color: var(--red);
  font-size: 14px;
}

.retry-btn {
  margin-top: 12px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--accent);
  cursor: pointer;
  font-size: 13px;
}

.retry-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ======== Delete Button ======== */
.delete-note-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--red);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.delete-note-btn:hover {
  background: rgba(255, 69, 58, 0.1);
  border-color: var(--red);
}

.delete-note-btn:active {
  background: rgba(255, 69, 58, 0.2);
}

.delete-note-btn:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

/* ======== Confirm Dialog ======== */
.confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.confirm-dialog {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  max-width: 340px;
  width: 90%;
}

.confirm-dialog h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.confirm-dialog p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.confirm-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.confirm-cancel {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s;
}

.confirm-cancel:hover {
  background: var(--bg);
}

.confirm-cancel:active {
  background: var(--border);
}

.confirm-delete {
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}

.confirm-delete:hover {
  opacity: 0.9;
}

.confirm-delete:active {
  opacity: 0.8;
}

.confirm-cancel:focus-visible,
.confirm-delete:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ======== Detail Empty State (desktop) ======== */
#detail-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--surface);
  color: var(--text-tertiary);
  padding: 40px;
}

.detail-empty-icon {
  color: var(--text-tertiary);
  margin-bottom: 4px;
  opacity: 0.45;
}

.detail-empty-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
}

.detail-empty-hint {
  font-size: 13px;
  color: var(--text-tertiary);
  text-align: center;
  max-width: 200px;
  line-height: 1.5;
}

#note-detail-panel:not(.hidden) ~ #detail-empty-state {
  display: none;
}

/* ======== Loading ======== */
#loading {
  position: fixed;
  inset: 0;
  background: var(--loading-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 999;
  transition: opacity 0.3s;
}

#loading.fade-out {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0s 0.3s;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ======== Utility ======== */
.hidden {
  display: none !important;
}

/* ======== Mobile Header ======== */
#mobile-header {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  padding-top: calc(12px + env(safe-area-inset-top, 0px));
  padding-left: calc(16px + env(safe-area-inset-left, 0px));
  padding-right: calc(16px + env(safe-area-inset-right, 0px));
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  position: relative;
  z-index: 51;
}

#mobile-header .icon-btn {
  color: var(--sidebar-text);
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
}

.mobile-header-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
}

#sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 49;
}

#sidebar-overlay.hidden {
  display: none;
}

/* ======== Responsive ======== */
.mobile-only {
  display: none;
}

@media (max-width: 1024px) {
  #note-list-panel {
    width: clamp(200px, 26vw, 320px);
    min-width: 200px;
    flex-shrink: 1;
  }

  .panel-header h2 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    flex-shrink: 1;
  }

  .panel-header-right {
    flex-shrink: 0;
  }

  .note-item-meta {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 950px) {
  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

  #sidebar.open {
    transform: translateX(0);
  }

  .sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .sidebar-close-btn {
    display: flex;
    color: var(--sidebar-text);
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    opacity: 0.75;
  }

  .sidebar-close-btn:hover {
    opacity: 1;
    background: rgba(255,255,255,0.08);
  }

  #mobile-header {
    display: flex;
  }

  #app {
    flex-direction: column;
  }

  #note-list-panel {
    width: 100%;
    min-width: 0;
    flex-shrink: 1;
    border-right: none;
  }

  #note-detail-panel {
    position: fixed;
    top: calc(48px + env(safe-area-inset-top, 0px));
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    padding: 16px;
    padding-top: 0;
  }

  #note-detail-panel.hidden {
    display: none !important;
  }

  .mobile-only {
    display: flex;
  }

  #back-btn {
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 500;
    position: sticky;
    top: 0;
    background: var(--surface);
    z-index: 1;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
  }

  #back-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  #detail-empty-state {
    display: none;
  }
}

@media (max-width: 768px) {
  /* On touch devices: hide folder actions; reveal only when focused/active */
  .folder-actions {
    display: none;
  }

  .folder-custom-item:focus-within .folder-actions,
  .folder-custom-item.active .folder-actions {
    display: flex;
  }

  .folder-action-btn {
    min-width: 32px;
    min-height: 32px;
  }

  .folder-add-btn {
    min-width: 44px;
    min-height: 44px;
    opacity: 0.7;
  }

  #folder-list {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
  }

  #note-detail-panel {
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }

  .detail-title {
    font-size: 22px;
  }

  #search-input {
    min-height: 44px;
    font-size: 16px; /* prevent iOS zoom */
  }

  .panel-header-right .icon-btn {
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
  }

  .delete-note-btn,
  .pin-toggle-btn,
  .export-note-btn,
  .share-btn,
  .copy-share-link-btn,
  .archive-toggle-btn,
  .tts-btn,
  .remind-btn {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .tag-chip .tag-remove {
    position: relative;
    width: 24px;
    height: 24px;
  }

  .tag-chip .tag-remove::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
  }

  .tag-add-btn {
    min-height: 44px;
    padding: 8px 16px;
    font-size: 14px;
  }

  .detail-tags .tag-chip {
    min-height: 44px;
    padding: 8px 12px;
    font-size: 14px;
  }

  .confirm-dialog {
    max-width: calc(100vw - 32px);
  }

  .confirm-cancel,
  .confirm-delete {
    min-height: 44px;
    flex: 1;
  }

  .login-card {
    padding: 32px 24px;
  }

  .summary-box {
    padding: 16px;
  }

  #note-detail {
    max-width: 100%;
  }

  .detail-meta-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .detail-action-scroll {
    width: 100%;
  }

  .detail-action-scroll::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 48px;
    background: linear-gradient(to right, transparent, var(--surface) 80%);
    pointer-events: none;
  }

  .detail-action-group {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--text-tertiary) transparent;
    width: 100%;
    padding-right: 40px;
    padding-bottom: 4px;
  }

  .detail-action-group::-webkit-scrollbar {
    height: 3px;
  }

  .detail-action-group::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: 2px;
  }
}

@media (max-width: 400px) {
  .panel-header {
    padding: 16px 12px 10px;
  }

  .panel-header h2 {
    font-size: 16px;
  }

  .search-bar {
    padding: 8px 12px;
  }

  .search-clear {
    right: 16px;
  }

  .search-icon {
    left: 22px;
  }

  .note-item {
    padding: 10px 12px;
  }

  .detail-action-group {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--text-tertiary) transparent;
    gap: 6px;
    padding-bottom: 4px;
  }

  .detail-action-group::-webkit-scrollbar {
    height: 3px;
  }

  .detail-action-group::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: 2px;
  }

  .delete-note-btn,
  .pin-toggle-btn,
  .export-note-btn,
  .share-btn,
  .copy-share-link-btn,
  .archive-toggle-btn {
    font-size: 13px;
    padding: 6px 10px;
    flex: 0 0 auto;
  }

  .detail-title {
    font-size: 20px;
  }

  .detail-meta {
    font-size: 12px;
    gap: 8px;
  }

  #note-detail-panel {
    padding: 12px;
    padding-top: 0;
  }

  .summary-box {
    padding: 12px;
    font-size: 14px;
  }

  .login-card {
    padding: 28px 20px;
  }

  .login-card h1 {
    font-size: 24px;
  }

  .login-tagline {
    font-size: 15px;
  }
}

/* ======== Login Screen ======== */
/* ======== Login Animations ======== */
@keyframes loginGradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes loginFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(-30px, 20px) scale(1.08); }
  66%       { transform: translate(20px, -15px) scale(0.95); }
}
@keyframes loginFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(25px, -20px) scale(1.05); }
  66%       { transform: translate(-20px, 30px) scale(0.95); }
}
@keyframes loginFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(20px, 20px) scale(1.06); }
}
@keyframes loginCardEntrance {
  from { opacity: 0; transform: translateY(40px) scale(0.94); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes loginRainbowBar {
  0%   { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

#login-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(-45deg, #0a84ff, #0055d4, #5856d6, #34aadc, #0a84ff);
  background-size: 400% 400%;
  animation: loginGradientShift 7s ease infinite;
  overflow: hidden;
}

#login-screen.hidden {
  display: none !important;
}

.login-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.65;
  pointer-events: none;
}
.login-blob-1 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, #5856d6, #3634a3);
  top: -160px;
  right: -120px;
  animation: loginFloat1 7s ease-in-out infinite;
}
.login-blob-2 {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, #34aadc, #007aff);
  bottom: -100px;
  left: -100px;
  animation: loginFloat2 9s ease-in-out infinite;
}
.login-blob-3 {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, #0a84ff, #5856d6);
  top: 40%;
  right: 10%;
  animation: loginFloat3 11s ease-in-out infinite;
}

@media (max-width: 600px) {
  .login-blob-1 {
    width: 300px;
    height: 300px;
    top: -80px;
    right: -80px;
  }

  .login-blob-2 {
    width: 240px;
    height: 240px;
    bottom: -60px;
    left: -60px;
  }

  .login-blob-3 {
    width: 180px;
    height: 180px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #login-screen,
  .login-blob,
  .login-card,
  .login-card::before {
    animation: none;
  }
}

.login-card {
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  max-width: 380px;
  width: 90%;
  position: relative;
  overflow: hidden;
  animation: loginCardEntrance 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #34aadc, #0a84ff, #5856d6, #34aadc);
  background-size: 300% 100%;
  animation: loginRainbowBar 3s linear infinite;
}

.login-card h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #ffffff, #c5e4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#login-screen .login-tagline,
#login-screen .login-card p {
  color: rgba(255, 255, 255, 0.92);
}

.login-tagline {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-weight: 500;
  line-height: 1.6;
}

.login-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 20px;
}

.google-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  min-height: 44px;
  border: 1px solid var(--google-btn-border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  box-shadow: 0 2px 12px rgba(102,126,234,0.18);
}

.google-btn:hover {
  background: var(--google-btn-hover-bg);
  box-shadow: 0 6px 20px rgba(102,126,234,0.28);
  transform: translateY(-1px);
}

.google-btn:active {
  background: var(--google-btn-active-bg);
  transform: translateY(0);
}

#login-screen .google-btn {
  background: rgba(255, 255, 255, 0.95);
  border-color: transparent;
  color: #1d1d1f;
  box-shadow: 0 2px 16px rgba(0, 55, 179, 0.2);
}
#login-screen .google-btn:hover {
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 6px 24px rgba(0, 55, 179, 0.3);
  transform: translateY(-1px);
}
#login-screen .google-btn:active {
  background: rgba(255, 255, 255, 0.88);
  transform: translateY(0);
}

/* ======== Sidebar Footer ======== */
.sidebar-footer {
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  overflow-y: auto;
  flex-shrink: 0;
  max-height: 50dvh;
}

.sidebar-btn {
  width: 100%;
  padding: 12px 8px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  background: transparent;
  color: var(--sidebar-text);
  font-size: 14px;
  cursor: pointer;
  opacity: 0.95;
  transition: opacity 0.15s;
  min-height: 44px;
}

.sidebar-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

.sidebar-btn:active {
  opacity: 1;
  background: rgba(255,255,255,0.08);
}

/* ======== Count Label ======== */
.count-label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ======== Focus-visible indicators ======== */
.icon-btn:focus-visible,
.sidebar-btn:focus-visible,
.raw-text-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.google-btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.3);
}

.folder-item:focus-visible,
.note-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.note-item.active:focus-visible {
  outline-color: var(--text-primary);
}

/* ======== Toast ======== */
#toast-container {
  position: fixed;
  top: calc(16px + env(safe-area-inset-top, 0px));
  right: calc(16px + env(safe-area-inset-right, 0px));
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

@media (max-width: 950px) {
  #toast-container {
    top: calc(64px + env(safe-area-inset-top, 0px));
  }
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  color: #fff;
  background: var(--red);
  box-shadow: var(--toast-shadow);
  pointer-events: auto;
  animation: toast-in 0.25s ease;
}

.toast-success {
  background: #248a3d;
}

.toast-info {
  background: var(--accent);
}

.toast.toast-out {
  animation: toast-out 0.2s ease forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-8px); }
}

/* Refresh animation */
.icon-btn.spinning svg {
  animation: spin 0.8s linear infinite;
}

/* ======== Panel Header Right ======== */
.panel-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ======== Tag Chips ======== */
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius);
  background: var(--tag-chip-bg);
  color: var(--accent);
  font-size: 12px;
  line-height: 1.4;
  cursor: pointer;
  border: none;
  transition: background 0.15s;
  white-space: nowrap;
  user-select: none;
}

.tag-chip:hover {
  background: rgba(10, 132, 255, 0.16);
}

.tag-chip:active {
  background: rgba(10, 132, 255, 0.24);
}

.tag-chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.tag-text {
  cursor: pointer;
}

.tag-text:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-radius: 2px;
}

.tag-chip .tag-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 11px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  opacity: 0.6;
  transition: opacity 0.15s, background 0.15s;
}

.tag-chip .tag-remove:hover {
  opacity: 1;
  background: rgba(10, 132, 255, 0.15);
}

.tag-add-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: none;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.tag-add-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.tag-add-btn:active {
  background: rgba(10, 132, 255, 0.08);
}

.tag-add-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tag-add-input {
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 2px 8px;
  font-size: 12px;
  outline: none;
  width: 100px;
  color: var(--text-primary);
  background: var(--surface);
}

.note-item-tags {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  overflow: hidden;
  flex-wrap: nowrap;
}

.note-item-tags .tag-chip {
  font-size: 11px;
  padding: 1px 6px;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.note-item-tags .tag-overflow {
  font-size: 11px;
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* Detail view tags */
.detail-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.detail-tags-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ======== Sidebar Tag Section ======== */
#tag-section {
  padding: 0;
}

.tag-section-header {
  justify-content: space-between;
}

.tag-toggle-icon {
  opacity: 0.6;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.tag-section-header[aria-expanded="false"] .tag-toggle-icon {
  transform: rotate(-90deg);
}

#tag-list {
  padding: 0 4px 4px;
  max-height: 200px;
  overflow-y: auto;
}

#tag-list .folder-item {
  padding: 5px 12px;
  font-size: 13px;
}

#tag-list .tag-clear {
  padding: 5px 12px;
  font-size: 13px;
  color: var(--text-tertiary);
  font-style: italic;
}

/* ======== Failed Notes ======== */
.note-item.failed {
  background: rgba(255, 69, 58, 0.05);
  border-left-color: var(--red);
}

.note-item.failed:hover {
  background: rgba(255, 69, 58, 0.09);
}

/* ======== Pinned Notes ======== */
.note-item.pinned {
  background: var(--note-pinned-bg);
}

.note-item.pinned:hover {
  background: var(--note-pinned-hover-bg);
}

.note-item.pinned.active {
  background: var(--note-pinned-active-bg);
}

.note-item-pin {
  display: inline-flex;
  align-items: center;
  color: var(--orange);
  flex-shrink: 0;
  margin-right: 4px;
}

.pin-toggle-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.pin-toggle-btn:hover {
  background: rgba(255, 159, 10, 0.1);
  border-color: var(--orange);
  color: var(--orange);
}

.pin-toggle-btn:active {
  background: rgba(255, 159, 10, 0.2);
}

.pin-toggle-btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.pin-toggle-btn.pinned {
  color: var(--orange);
  border-color: var(--orange);
}

/* ======== Archive Button (detail view) ======== */
.archive-toggle-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.archive-toggle-btn:hover {
  background: rgba(48, 209, 88, 0.1);
  border-color: var(--green);
  color: var(--green);
}

.archive-toggle-btn:active {
  background: rgba(48, 209, 88, 0.2);
}

.archive-toggle-btn:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

.archive-toggle-btn.archived {
  color: var(--green-text);
  border-color: var(--green);
}

/* ======== Export Button (detail view) ======== */
.export-note-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.export-note-btn:hover {
  background: rgba(10, 132, 255, 0.1);
  border-color: var(--accent);
}

.export-note-btn:active {
  background: rgba(10, 132, 255, 0.2);
}

.export-note-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ======== Share Button (detail view) ======== */
.share-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  flex-shrink: 0;
}

.share-btn:hover {
  background: rgba(10, 132, 255, 0.1);
  border-color: var(--accent);
}

.share-btn:active {
  background: rgba(10, 132, 255, 0.2);
}

.share-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.share-btn.shared {
  color: var(--green-text);
  border-color: var(--green);
}

.share-btn.shared:hover {
  background: rgba(48, 209, 88, 0.1);
  border-color: var(--green);
}

.share-btn.shared:active {
  background: rgba(48, 209, 88, 0.2);
}

.share-btn.shared:focus-visible {
  outline-color: var(--green);
}

.share-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ======== Copy Share Link Button (detail view) ======== */
.copy-share-link-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  flex-shrink: 0;
}

.copy-share-link-btn:hover {
  background: rgba(10, 132, 255, 0.08);
  border-color: var(--accent);
  color: var(--accent);
}

.copy-share-link-btn:active {
  background: rgba(10, 132, 255, 0.15);
}

.copy-share-link-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ======== Bulk Export Dropdown ======== */
.bulk-export-btn {
  position: relative;
}

/* ======== Multi-Select Mode ======== */
.note-item-checkbox {
  display: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
  padding: 0;
  margin-right: 8px;
}

.select-mode .note-item-checkbox {
  display: flex;
  align-items: center;
  justify-content: center;
}

.note-item-checkbox:hover {
  border-color: var(--accent);
}

.note-item-checkbox:active {
  background: rgba(10, 132, 255, 0.1);
}

.note-item-checkbox:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.note-item-checkbox.checked {
  background: var(--accent);
  border-color: var(--accent);
}

.note-item-checkbox.checked::after {
  content: "";
  display: block;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -1px;
}

.select-mode .note-item {
  display: flex;
  align-items: flex-start;
}

.note-item.selected {
  background: rgba(10, 132, 255, 0.08);
}

.note-item-content {
  flex: 1;
  min-width: 0;
}

#select-mode-btn.active {
  background: rgba(10, 132, 255, 0.12);
  color: var(--accent);
}

/* ======== Bulk Action Bar ======== */
#bulk-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.06);
  gap: 8px;
}

#bulk-count-label {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.bulk-action-left,
.bulk-action-right {
  display: flex;
  gap: 6px;
}

.bulk-action-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.bulk-action-btn:hover {
  background: var(--bg);
}

.bulk-action-btn:active {
  background: var(--border);
}

.bulk-action-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.bulk-delete-btn {
  color: var(--red);
  border-color: var(--red);
}

.bulk-delete-btn:hover {
  background: rgba(255, 69, 58, 0.08);
}

.bulk-move-btn {
  position: relative;
}

/* ======== Sort Button ======== */
.sort-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
  flex-shrink: 1;
  transition: background 0.15s, border-color 0.15s;
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
}

.sort-icon {
  flex-shrink: 0;
}

.sort-btn:hover {
  background: var(--bg);
  border-color: var(--accent);
  color: var(--accent);
}

.sort-btn:active {
  background: var(--border);
}

.sort-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ======== Sort Dropdown ======== */
.sort-dropdown {
  top: calc(100% + 4px);
  bottom: auto;
}

.sort-dropdown-item.active {
  color: var(--accent);
  font-weight: 600;
  background: rgba(10, 132, 255, 0.06);
}

@media (max-width: 768px) {
  .sort-btn {
    min-height: 44px;
    padding: 4px 12px;
    font-size: 13px;
  }
}

@media (max-width: 400px) {
  .sort-btn {
    padding: 4px 8px;
    max-width: 44px;
  }

  .sort-label-text {
    display: none;
  }
}

/* ======== Folder Dropdown (bulk move) ======== */
.folder-dropdown {
  position: absolute;
  bottom: calc(100% + 4px);
  right: 0;
  background: var(--dropdown-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--dropdown-shadow);
  min-width: 160px;
  max-height: 240px;
  overflow-y: auto;
  z-index: 200;
  padding: 4px;
}

.folder-dropdown-item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: none;
  text-align: left;
  font-size: 13px;
  cursor: pointer;
  border-radius: 8px;
  color: var(--text-primary);
  transition: background 0.15s;
}

.folder-dropdown-item:hover {
  background: var(--bg);
}

.folder-dropdown-item:active {
  background: var(--border);
}

.folder-dropdown-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

@media (max-width: 768px) {
  #bulk-action-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 8px 12px;
    padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px));
    gap: 8px;
  }

  #bulk-count-label {
    text-align: center;
    order: -1;
  }

  .bulk-action-left,
  .bulk-action-right {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    position: relative;
    -webkit-mask-image: linear-gradient(to right, black calc(100% - 24px), transparent 100%);
    mask-image: linear-gradient(to right, black calc(100% - 24px), transparent 100%);
  }

  .bulk-action-left::-webkit-scrollbar,
  .bulk-action-right::-webkit-scrollbar {
    display: none;
  }

  .bulk-action-btn {
    min-height: 44px;
    font-size: 14px;
    flex: 0 0 auto;
  }

  .select-mode .note-item-checkbox {
    min-width: 44px;
    min-height: 44px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg);
  }

  .select-mode .note-item-checkbox:active {
    background: var(--border);
  }

  .select-mode .note-item-checkbox.checked {
    background: var(--accent);
  }
}

/* ======== Unread Indicators ======== */
.note-item.unread {
  padding-right: 28px;
}

.note-item.unread .note-item-title {
  font-weight: 700;
}

.note-item.unread::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.note-item {
  position: relative;
}

/* ======== Read Status Toggle Button ======== */
.read-status-toggle-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.read-status-toggle-btn:hover {
  background: rgba(10, 132, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
}

.read-status-toggle-btn:active {
  background: rgba(10, 132, 255, 0.2);
}

.read-status-toggle-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ======== Read Filter Bar ======== */
.read-filter-bar {
  display: flex;
  gap: 4px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
}

.read-filter-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: none;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.read-filter-btn:hover {
  background: var(--bg);
}

.read-filter-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.read-filter-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .read-filter-bar {
    padding: 8px 12px;
  }

  .read-filter-btn {
    min-height: 44px;
    min-width: 60px;
    padding: 4px 20px;
    font-size: 13px;
  }

  .read-status-toggle-btn {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* ======== Note Creation Modal ======== */
.create-note-dialog {
  max-width: 420px;
}

.create-note-field {
  margin-bottom: 16px;
}

.create-note-field label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.create-note-field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg);
  outline: none;
  min-height: 44px;
}

.create-note-field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(10, 132, 255, 0.2);
}

.create-note-field input::placeholder {
  color: var(--text-tertiary);
}

.confirm-submit {
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
  min-height: 44px;
}

.confirm-submit:hover {
  opacity: 0.9;
}

.confirm-submit:active {
  opacity: 0.8;
}

.confirm-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.confirm-submit:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ======== Shortcuts Help Overlay ======== */
.shortcuts-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.shortcuts-dialog {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  max-width: 400px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.shortcuts-dialog h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 16px;
}

.shortcuts-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
}

.shortcut-key {
  display: inline-block;
  font-family: "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.shortcut-desc {
  color: var(--text-secondary);
}

/* ======== Reading Time ======== */
.reading-time {
  color: var(--text-tertiary);
  white-space: nowrap;
}

.detail-reading-time {
  white-space: nowrap;
}

/* ======== Highlight Save Button ======== */
.highlight-save-btn {
  position: absolute;
  transform: translateX(-50%);
  z-index: 10;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 16px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: opacity 0.15s;
}

.highlight-save-btn:hover {
  opacity: 0.9;
}

.highlight-save-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ======== Highlight Cards ======== */
.detail-highlights {
  margin-top: 8px;
}

.highlight-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  background: var(--tag-chip-bg);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 10px 12px;
  margin-top: 8px;
}

.highlight-text {
  flex: 1;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-primary);
  word-break: break-word;
}

.highlight-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.highlight-copy,
.highlight-delete {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-secondary);
  transition: color 0.15s, background 0.15s;
}

.highlight-copy:hover {
  color: var(--accent);
  background: rgba(10,132,255,0.08);
}

.highlight-delete {
  font-size: 16px;
  line-height: 1;
}

.highlight-delete:hover {
  color: var(--red);
  background: rgba(255,69,58,0.08);
}

.highlight-copy:focus-visible,
.highlight-delete:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

@media (max-width: 768px) {
  .highlight-copy,
  .highlight-delete {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* ======== Login Screen Dark Mode ======== */
[data-theme='dark'] #login-screen {
  background: linear-gradient(-45deg, #001233, #002d7a, #0a2d6b, #1a237e);
  background-size: 400% 400%;
  animation: loginGradientShift 7s ease infinite;
}

[data-theme='dark'] .login-card {
  background: rgba(0, 0, 0, 0.28);
  border-color: rgba(255, 255, 255, 0.12);
}

[data-theme='dark'] .login-card h1 {
  background: linear-gradient(135deg, #ffffff, #90c6ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) #login-screen {
    background: linear-gradient(-45deg, #001233, #002d7a, #0a2d6b, #1a237e);
    background-size: 400% 400%;
    animation: loginGradientShift 7s ease infinite;
  }
  :root:not([data-theme='light']) .login-card {
    background: rgba(0, 0, 0, 0.28);
    border-color: rgba(255, 255, 255, 0.12);
  }
  :root:not([data-theme='light']) .login-card h1 {
    background: linear-gradient(135deg, #ffffff, #90c6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
}

/* ======== Related Notes (Tasks #3) ======== */
.related-notes-section {
  margin-top: 4px;
}

.related-note-card {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
  margin-bottom: 6px;
  text-decoration: none;
  flex-wrap: wrap;
  user-select: none;
  outline: none;
}

.related-note-card:last-child {
  margin-bottom: 0;
}

.related-note-card:hover {
  background: var(--note-hover-bg);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.related-note-card:focus-visible {
  background: var(--note-active-bg);
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}

.related-note-card:active {
  background: var(--note-active-bg);
}

.related-note-title {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.related-note-tags {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.related-note-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--tag-chip-bg);
  color: var(--accent);
  font-size: 11px;
  white-space: nowrap;
}

.related-note-date {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Dark theme overrides */
[data-theme='dark'] .related-note-card {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

[data-theme='dark'] .related-note-card:hover {
  background: var(--note-hover-bg);
}

/* Responsive: stack on mobile */
@media (max-width: 400px) {
  .related-note-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .related-note-title {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
  }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .related-note-card {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
  }
  :root:not([data-theme='light']) .related-note-card:hover {
    background: var(--note-hover-bg);
  }
}

/* ======== Offline Banner ======== */
.offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--orange);
  color: #000;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  pointer-events: none;
}

/* ======== PWA Install Button (sidebar) ======== */
.pwa-install-btn {
  background: rgba(10, 132, 255, 0.12);
  color: var(--accent);
  border: 1px solid rgba(10, 132, 255, 0.3);
}

.pwa-install-btn:hover {
  background: rgba(10, 132, 255, 0.2);
  border-color: var(--accent);
}

/* ======== Import Pocket Button (sidebar) ======== */
.import-pocket-btn {
  background: rgba(255, 90, 36, 0.10);
  color: #ff5a24;
  border: 1px solid rgba(255, 90, 36, 0.25);
}

.import-pocket-btn:hover {
  background: rgba(255, 90, 36, 0.18);
  border-color: rgba(255, 90, 36, 0.5);
}

/* ======== Pocket Import Modal ======== */
.pocket-import-dialog {
  max-width: 480px;
  width: 94%;
}

.pocket-import-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.pocket-file-zone {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  margin-bottom: 16px;
  transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}

.pocket-file-zone:hover {
  border-color: var(--accent);
  background: rgba(10, 132, 255, 0.04);
}

.pocket-file-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.pocket-file-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  pointer-events: none;
}

.pocket-file-label svg {
  color: var(--accent);
}

.pocket-preview {
  max-height: 180px;
  overflow-y: auto;
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: var(--bg);
}

.pocket-preview-summary {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pocket-preview-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pocket-preview-item {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pocket-preview-more {
  font-size: 12px;
  color: var(--text-tertiary);
  font-style: italic;
}

.pocket-options {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.pocket-option-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.pocket-option-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.pocket-progress {
  margin-bottom: 16px;
}

.pocket-progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}

.pocket-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}

.pocket-progress-label {
  font-size: 12px;
  color: var(--text-secondary);
}

@media (max-width: 480px) {
  .pocket-import-dialog {
    width: 96%;
  }
  .pocket-options {
    flex-direction: column;
    gap: 10px;
  }
}

/* ─── User Note Section ─────────────────────────────── */
.user-note-section {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.user-note-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.user-note-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.user-note-preview-toggle {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.user-note-preview-toggle:hover {
  background: var(--bg);
  color: var(--text-primary);
}

.user-note-preview-toggle.hidden {
  display: none;
}

.user-note-textarea {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.6;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-sizing: border-box;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.user-note-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.15);
}

.user-note-textarea::placeholder {
  color: var(--text-placeholder, var(--text-secondary));
  opacity: 0.6;
}

.user-note-preview {
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-height: 60px;
}

.user-note-preview.hidden {
  display: none;
}

.user-note-preview p:first-child { margin-top: 0; }
.user-note-preview p:last-child  { margin-bottom: 0; }

@media (max-width: 480px) {
  .user-note-textarea {
    min-height: 100px;
    font-size: 16px; /* prevent iOS zoom */
  }
}

/* ── TTS control bar ─────────────────────────────────────────── */

.tts-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tts-btn:hover {
  background: var(--bg);
  color: var(--accent);
}

.tts-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-top: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
}

.tts-play-btn,
.tts-stop-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}

.tts-play-btn:hover,
.tts-stop-btn:hover {
  background: var(--bg);
  color: var(--accent);
}

.tts-rate-select {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.tts-progress {
  flex: 1;
  min-width: 80px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.tts-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.2s linear;
}

/* ── Ask AI chat panel ───────────────────────────────────────── */

.ask-ai-toggle {
  color: var(--accent);
  border-color: var(--accent);
}

.ask-ai-toggle:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.ask-ai-panel {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ask-ai-messages {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 360px;
  overflow-y: auto;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.ask-ai-messages:empty::before {
  content: "還沒有對話，輸入問題開始詢問";
  color: var(--text-secondary);
  font-size: 13px;
  display: block;
  text-align: center;
  padding: 16px 0;
}

.ask-ai-bubble {
  max-width: 80%;
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.55;
  word-break: break-word;
}

.ask-ai-bubble--user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.ask-ai-bubble--ai {
  align-self: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.ask-ai-bubble--ai p { margin: 0 0 6px; }
.ask-ai-bubble--ai p:last-child { margin-bottom: 0; }

.ask-ai-bubble--error {
  border-color: #ff453a;
  color: #ff453a;
}

/* Loading dots animation */
.ask-ai-bubble--loading {
  padding: 10px 16px;
}

.ask-ai-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

.ask-ai-dots span {
  width: 6px;
  height: 6px;
  background: var(--text-secondary);
  border-radius: 50%;
  animation: ask-ai-bounce 1.2s infinite ease-in-out;
}

.ask-ai-dots span:nth-child(2) { animation-delay: 0.2s; }
.ask-ai-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes ask-ai-bounce {
  0%, 80%, 100% { transform: translateY(0); }
  40%           { transform: translateY(-6px); }
}

.ask-ai-input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.ask-ai-input {
  flex: 1;
  resize: vertical;
  min-height: 48px;
  padding: 8px 10px;
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  line-height: 1.5;
}

.ask-ai-input:focus {
  outline: none;
  border-color: var(--accent);
}

.ask-ai-send-btn {
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 14px;
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s;
}

.ask-ai-send-btn:hover { opacity: 0.85; }
.ask-ai-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ======== Reminder Badge on Note List Items ======== */
.note-item-reminder {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 500;
  color: var(--orange);
  background: rgba(255, 159, 10, 0.1);
  border-radius: 4px;
  padding: 1px 6px;
  white-space: nowrap;
}

.note-item-reminder.overdue {
  color: var(--red);
  background: rgba(255, 69, 58, 0.1);
}

/* ======== Remind Me Button (Detail Action Group) ======== */
.remind-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  position: relative;
}

.remind-btn:hover {
  background: var(--bg);
  color: var(--orange);
  border-color: var(--orange);
}

.remind-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.remind-btn.has-reminder {
  color: var(--orange);
  border-color: var(--orange);
  background: rgba(255, 159, 10, 0.08);
}

.remind-btn.overdue {
  color: var(--red);
  border-color: var(--red);
  background: rgba(255, 69, 58, 0.08);
}

/* ======== Reminder Popover ======== */
.reminder-popover {
  position: absolute;
  bottom: calc(100% + 6px);
  right: 0;
  background: var(--dropdown-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--dropdown-shadow);
  min-width: 200px;
  z-index: 30;
  padding: 6px;
}

.reminder-popover-item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: none;
  text-align: left;
  font-size: 13px;
  cursor: pointer;
  border-radius: 6px;
  color: var(--text-primary);
  transition: background 0.15s;
}

.reminder-popover-item:hover {
  background: var(--bg);
}

.reminder-popover-item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.reminder-popover-item.reminder-clear {
  color: var(--red);
}

.reminder-popover-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.reminder-date-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
}

.reminder-date-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  color: var(--text-primary);
  font-family: inherit;
}

.reminder-date-input:focus {
  outline: none;
  border-color: var(--accent);
}

.reminder-date-confirm {
  background: var(--accent);
  border: none;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 13px;
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
}

.reminder-date-confirm:hover {
  opacity: 0.85;
}

/* ======== Bulk Tag Popover ======== */
.bulk-tag-btn {
  position: relative;
}

.bulk-tag-popover {
  position: absolute;
  bottom: calc(100% + 4px);
  right: 0;
  background: var(--dropdown-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--dropdown-shadow);
  min-width: 240px;
  max-width: 320px;
  z-index: 20;
  padding: 8px;
}

.bulk-tag-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 4px 6px;
}

.bulk-tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 6px;
}

.bulk-tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  background: var(--tag-chip-bg);
  border: 1px solid transparent;
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text-primary);
  transition: background 0.15s, border-color 0.15s;
}

.bulk-tag-chip:hover {
  border-color: var(--accent);
}

.bulk-tag-chip.selected-add {
  background: rgba(48, 209, 88, 0.15);
  border-color: var(--green);
  color: var(--green);
}

.bulk-tag-chip.selected-remove {
  background: rgba(255, 69, 58, 0.1);
  border-color: var(--red);
  color: var(--red);
  text-decoration: line-through;
}

.bulk-tag-chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.bulk-tag-add-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.bulk-tag-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 13px;
  color: var(--text-primary);
  font-family: inherit;
}

.bulk-tag-input:focus {
  outline: none;
  border-color: var(--accent);
}

.bulk-tag-add-btn {
  background: var(--accent);
  border: none;
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 13px;
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s;
}

.bulk-tag-add-btn:hover {
  opacity: 0.85;
}

.bulk-tag-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.bulk-tag-apply-btn {
  flex: 1;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  color: #fff;
  cursor: pointer;
  transition: opacity 0.15s;
}

.bulk-tag-apply-btn:hover {
  opacity: 0.85;
}

.bulk-tag-cancel-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s;
}

.bulk-tag-cancel-btn:hover {
  background: var(--bg);
}

/* ============================================================
   Reading Statistics Modal
   ============================================================ */

.stats-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px 16px;
  overflow-y: auto;
}

.stats-overlay.hidden {
  display: none;
}

.stats-dialog {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.stats-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.stats-dialog-header h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Summary cards grid */
.stats-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

@media (max-width: 520px) {
  .stats-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stats-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 10px;
  text-align: center;
}

.stats-card-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stats-card-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Chart sections */
.stats-chart-section {
  margin-bottom: 20px;
}

.stats-chart-section h4 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stats-chart-wrap {
  overflow-x: auto;
}

.stats-bar {
  fill: var(--accent);
  opacity: 0.8;
}

.stats-bar-label {
  font-size: 10px;
  fill: var(--text-secondary);
}

/* Tag bars */
.stats-tag-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
}

.stats-tag-name {
  font-size: 12px;
  color: var(--text-primary);
  min-width: 90px;
  max-width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stats-tag-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.stats-tag-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.stats-tag-count {
  font-size: 11px;
  color: var(--text-secondary);
  min-width: 24px;
  text-align: right;
}

/* Domain list */
.stats-domain-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stats-domain-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.stats-domain-list li:last-child {
  border-bottom: none;
}

.stats-domain-name {
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stats-domain-count {
  color: var(--text-secondary);
  font-size: 12px;
  margin-left: 8px;
  flex-shrink: 0;
}

/* ============================================================
   Bookmarklet Modal
   ============================================================ */

.bookmarklet-dialog h3 {
  margin: 0 0 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.bookmarklet-section {
  margin-bottom: 16px;
}

.bookmarklet-link-wrap {
  display: flex;
  justify-content: center;
  margin: 14px 0;
}

.bookmarklet-link {
  display: inline-block;
  padding: 9px 20px;
  border: 2px dashed var(--accent);
  border-radius: 20px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: grab;
  user-select: none;
  transition: background 0.15s;
}

.bookmarklet-link:hover {
  background: rgba(10, 132, 255, 0.08);
}

.bookmarklet-instructions {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 6px;
  line-height: 1.5;
}

.bookmarklet-instructions-hint {
  font-size: 12px;
  opacity: 0.75;
}

