/* ============================================================
   TeamFlow Wiki — Design System & Styles
   ============================================================ */

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors — Light Theme */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F7F6F3;
  --bg-tertiary: #EFEFEF;
  --bg-hover: rgba(55, 53, 47, 0.04);
  --bg-active: rgba(55, 53, 47, 0.08);
  --bg-overlay: rgba(15, 15, 15, 0.6);

  --text-primary: #37352F;
  --text-secondary: #9B9A97;
  --text-placeholder: #C0BFBC;
  --text-inverse: #FFFFFF;

  --border-color: #E9E9E7;
  --border-hover: #D3D1CB;

  --accent: #2EAADC;
  --accent-light: rgba(46, 170, 220, 0.1);
  --accent-hover: #228FB8;

  --success: #4DAA57;
  --success-light: rgba(77, 170, 87, 0.1);
  --warning: #E9A211;
  --warning-light: rgba(233, 162, 17, 0.1);
  --error: #EB5757;
  --error-light: rgba(235, 87, 87, 0.1);

  /* Spacing Scale */
  --space-2xs: 2px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 64px;

  /* Typography */
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-content: 'Inter', Georgia, 'Times New Roman', serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.875rem;
  --text-3xl: 2.5rem;

  --leading-tight: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  /* Layout */
  --sidebar-width: 260px;
  --editor-max-width: 900px;
  --topbar-height: 48px;

  /* Borders */
  --radius-xs: 3px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.16);

  /* Transitions */
  --transition-fast: 100ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 320ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --bg-primary: #191919;
  --bg-secondary: #202020;
  --bg-tertiary: #2F2F2F;
  --bg-hover: rgba(255, 255, 255, 0.04);
  --bg-active: rgba(255, 255, 255, 0.08);
  --bg-overlay: rgba(0, 0, 0, 0.7);

  --text-primary: #E3E3E1;
  --text-secondary: #9B9A97;
  --text-placeholder: #5A5A5A;
  --text-inverse: #191919;

  --border-color: #373737;
  --border-hover: #4A4A4A;

  --accent: #529CCA;
  --accent-light: rgba(82, 156, 202, 0.15);
  --accent-hover: #6BB0D8;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ui);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: var(--leading-normal);
  display: flex;
  min-height: 100vh;
  overflow: hidden;
  transition: background var(--transition-slow), color var(--transition-slow);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

button {
  font-family: var(--font-ui);
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  font-size: inherit;
}

::selection {
  background: var(--accent-light);
  color: var(--accent);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  will-change: width;
  transition: transform var(--transition-slow), background var(--transition-slow),
              width 0.15s cubic-bezier(0.4, 0, 0.2, 1), opacity var(--transition-fast);
  z-index: 100;
  position: relative;
  overflow: hidden;
}

/* Disable width transition during drag to prevent lag */
.sidebar.resizing {
  transition: transform var(--transition-slow), background var(--transition-slow), opacity var(--transition-fast);
}

.sidebar.collapsed {
  width: 0;
  border-right: none;
  opacity: 0;
  pointer-events: none;
}

.sidebar-header {
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-bottom: 1px solid var(--border-color);
  min-height: var(--topbar-height);
}

.sidebar-logo {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--accent), #7B61FF);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.sidebar-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-collapse-btn {
  margin-left: auto;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  font-size: var(--text-base);
}

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

.sidebar-search {
  padding: var(--space-sm) var(--space-lg);
}

.sidebar-search-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  padding: 0 var(--space-xs) 0 0;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.sidebar-search-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.sidebar-search-input {
  flex: 1;
  min-width: 0;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-family: var(--font-ui);
  outline: none;
}

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

.sidebar-search-clear {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  color: var(--text-placeholder);
  font-size: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  border: none;
  background: none;
}
.sidebar-search-clear:hover {
  background: var(--bg-active);
  color: var(--text-primary);
}

/* Quick action buttons */
.sidebar-quick-actions {
  display: flex;
  gap: var(--space-xs);
  padding: 0 var(--space-lg) var(--space-sm);
}

.sidebar-quick-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-quick-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

.sidebar-section-label {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-pages {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--space-sm);
}

.sidebar-pages-favorites {
  flex: none;
  max-height: 120px;
  min-height: 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-xs);
}

.page-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  padding-left: calc(var(--space-md) + var(--nest-level, 0) * 16px);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  user-select: none;
  position: relative;
}

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

.page-item.active {
  background: var(--bg-active);
  color: var(--text-primary);
  font-weight: 500;
}

.page-item.drag-over-top {
  border-top: 2px solid var(--accent);
}
.page-item.drag-over-bottom {
  border-bottom: 2px solid var(--accent);
}
.page-item.drag-over-inner {
  background: var(--bg-active);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.page-item.dragging {
  opacity: 0.4;
}

/* Chevron toggle for parent pages */
.page-item-toggle {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  color: var(--text-placeholder);
  border-radius: var(--radius-xs);
  flex-shrink: 0;
  transition: transform 0.15s ease, color var(--transition-fast);
  cursor: pointer;
}
.page-item-toggle:hover { color: var(--text-primary); background: var(--bg-hover); }
.page-item-toggle.expanded { transform: rotate(90deg); }

.page-item-icon {
  font-size: var(--text-base);
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

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

/* Actions container (add-child + delete) */
.page-item-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.page-item:hover .page-item-actions { opacity: 1; }

.page-item-add-child {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  cursor: pointer;
  border: none;
  background: none;
}
.page-item-add-child:hover { background: var(--bg-active); color: var(--text-primary); }

.page-item-delete {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  cursor: pointer;
  border: none;
  background: none;
}
.page-item-delete:hover { background: var(--error-light); color: var(--error); }

.sidebar-add-page {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.sidebar-add-page:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.sidebar-user-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.sidebar-user-info:hover {
  background: var(--bg-hover);
}

.sidebar-user-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-user-role {
  font-size: var(--text-xs);
  color: var(--text-placeholder);
  line-height: 1.2;
}

.sidebar-footer-icons {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.sidebar-icon-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  border: none;
  background: none;
  cursor: pointer;
}
.sidebar-icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ===== MAIN CONTENT ===== */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  min-width: 0;
}

/* ===== TOPBAR ===== */
.topbar {
  height: var(--topbar-height);
  padding: 0 var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  background: var(--bg-primary);
  transition: background var(--transition-slow);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.topbar-menu-btn {
  display: none;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: var(--text-lg);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.sidebar.collapsed ~ .main-content .topbar-menu-btn {
  display: flex;
}

.topbar-menu-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.topbar-breadcrumb {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
  overflow: hidden;
}

.breadcrumb-link {
  cursor: pointer;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  white-space: nowrap;
}
.breadcrumb-link:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.breadcrumb-sep {
  color: var(--text-placeholder);
  flex-shrink: 0;
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
  cursor: default;
}
.breadcrumb-current:hover {
  text-decoration: none;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-ghost {
  color: var(--text-secondary);
  padding: var(--space-sm);
}

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

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-base);
}

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

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
}

/* ===== EDITOR CONTAINER ===== */
.editor-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3xl) var(--space-xl);
}

.editor-wrapper {
  max-width: var(--editor-max-width);
  margin: 0 auto;
}

/* ===== PAGE HEADER ===== */
.page-header {
  margin-bottom: var(--space-2xl);
}

.page-icon-btn {
  font-size: var(--text-3xl);
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  display: inline-block;
  line-height: 1;
}

.page-icon-btn:hover { background: var(--bg-hover); }

.page-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  border: none;
  outline: none;
  width: 100%;
  line-height: var(--leading-tight);
  padding: var(--space-xs) 0;
  background: transparent;
  caret-color: var(--accent);
}

.page-title:empty::before {
  content: attr(data-placeholder);
  color: var(--text-placeholder);
}

/* ===== BLOCK EDITOR ===== */
.editor {
  min-height: 300px;
  position: relative;
}

.block {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding: var(--space-2xs) 0;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

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

.block-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  opacity: 0;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
  padding-top: var(--space-2xs);
  margin-left: -52px;
  width: 52px;
}

.block:hover .block-controls { opacity: 1; }

.block-handle {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  cursor: grab;
  color: var(--text-placeholder);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  user-select: none;
}

.block-handle:hover {
  background: var(--bg-active);
  color: var(--text-secondary);
}

.block-handle:active { cursor: grabbing; }

.block-add-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  color: var(--text-placeholder);
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
  font-weight: 300;
}

.block-add-btn:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.block-body {
  flex: 1;
  min-width: 0;
}

/* Block Content Styles */
.block-content {
  outline: none;
  word-break: break-word;
  white-space: pre-wrap;
  caret-color: var(--accent);
  padding: var(--space-2xs) var(--space-xs);
  border-radius: var(--radius-xs);
  transition: background var(--transition-fast);
}

.block-content:focus {
  background: transparent;
}

.block-content:empty::before {
  content: attr(data-placeholder);
  color: var(--text-placeholder);
  pointer-events: none;
}

/* Heading styles */
.block-content[data-type="heading"][data-level="1"] {
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  margin-top: var(--space-lg);
}

.block-content[data-type="heading"][data-level="2"] {
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: var(--leading-tight);
  margin-top: var(--space-md);
}

.block-content[data-type="heading"][data-level="3"] {
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: var(--leading-tight);
  margin-top: var(--space-sm);
}

/* Paragraph */
.block-content[data-type="paragraph"] {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
}

/* Divider */
.block-divider {
  padding: var(--space-md) 0;
}

.block-divider hr {
  border: none;
  border-top: 1px solid var(--border-color);
}

/* Image block */
.block-image {
  padding: var(--space-sm) 0;
}

.block-image img {
  border-radius: var(--radius-md);
  max-width: 100%;
  cursor: pointer;
  transition: box-shadow var(--transition-normal);
}

.block-image img:hover {
  box-shadow: var(--shadow-md);
}

.block-image .image-caption {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
  padding: var(--space-sm) 0;
  outline: none;
  caret-color: var(--accent);
}

.block-image .image-caption:empty::before {
  content: 'Write a caption...';
  color: var(--text-placeholder);
}

/* Image upload placeholder */
.image-upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--bg-hover);
}

.image-upload-area:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.image-upload-icon {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.image-upload-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.image-upload-input { display: none; }

.image-url-input {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  width: 80%;
  max-width: 400px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-ui);
  outline: none;
  transition: border-color var(--transition-fast);
}

.image-url-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

/* Block delete button */
.block-delete-btn {
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  color: var(--text-placeholder);
  font-size: var(--text-sm);
  opacity: 0;
  transition: all var(--transition-fast);
}

.block:hover .block-delete-btn { opacity: 1; }
.block-delete-btn:hover { background: var(--error-light); color: var(--error); }

/* End-of-editor add button */
.editor-add-block {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-sm);
  color: var(--text-placeholder);
  font-size: var(--text-sm);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  margin-top: var(--space-sm);
  margin-left: -4px;
}

.editor-add-block:hover {
  color: var(--text-secondary);
  background: var(--bg-hover);
}

.editor-add-block-icon {
  width: 24px;
  height: 24px;
  border: 1.5px solid currentColor;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 300;
}

/* ===== DRAG & DROP ===== */
.block.dragging {
  opacity: 0.4;
}

.block.drag-over-top {
  border-top: 2px solid var(--accent);
}

.block.drag-over-bottom {
  border-bottom: 2px solid var(--accent);
}

/* ===== FLOATING TOOLBAR ===== */
.floating-toolbar {
  position: fixed;
  display: none;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-xs);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  animation: toolbar-appear 150ms ease;
}

.floating-toolbar.visible { display: flex; }

.floating-toolbar .btn-icon {
  width: 28px;
  height: 28px;
  font-size: var(--text-sm);
}

.floating-toolbar .divider {
  width: 1px;
  height: 20px;
  background: var(--border-color);
  margin: 0 var(--space-2xs);
}

@keyframes toolbar-appear {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== SLASH COMMAND MENU ===== */
.slash-menu {
  position: fixed;
  display: none;
  flex-direction: column;
  width: 280px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  padding: var(--space-xs);
  animation: slash-appear 150ms ease;
}

.slash-menu.visible { display: flex; }

.slash-menu-label {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.slash-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.slash-menu-item:hover,
.slash-menu-item.active {
  background: var(--bg-hover);
}

.slash-menu-item-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.slash-menu-item-info {
  flex: 1;
  min-width: 0;
}

.slash-menu-item-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.slash-menu-item-desc {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

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

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: overlay-appear 200ms ease;
}

.modal-overlay.visible { display: flex; }

.modal {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 480px;
  animation: modal-appear 250ms cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.modal-header {
  padding: var(--space-xl);
  padding-bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 600;
}

.modal-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
}

.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.modal-body {
  padding: var(--space-xl);
}

.modal-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

@keyframes overlay-appear {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modal-appear {
  from { opacity: 0; transform: scale(0.95) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Form elements inside modal */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-family: var(--font-ui);
  color: var(--text-primary);
  background: var(--bg-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input::placeholder { color: var(--text-placeholder); }

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}
/* ===== SETTINGS VIEW (SECONDARY PAGE) ===== */
.settings-view {
  flex: 1;
  overflow: hidden;
}

.settings-layout {
  display: flex;
  height: 100%;
}

.settings-nav {
  width: 220px;
  min-width: 220px;
  border-right: 1px solid var(--border-color);
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  padding: var(--space-sm);
  gap: 2px;
}

.settings-nav-header {
  padding: var(--space-md) var(--space-md) var(--space-lg);
}

.settings-nav-header h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--space-sm);
}

.settings-back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  border: none;
  background: none;
  color: var(--accent);
  font-size: var(--text-sm);
  font-family: var(--font-ui);
  cursor: pointer;
  padding: var(--space-xs) 0;
  transition: opacity var(--transition-fast);
}
.settings-back-btn:hover { opacity: 0.7; }

.settings-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  width: 100%;
  position: relative;
}

.settings-nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.settings-nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 500;
}

.settings-nav-icon {
  font-size: 16px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.settings-panel {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2xl) var(--space-3xl);
}

.settings-section {
  display: none;
  max-width: 600px;
  animation: settingsFadeIn 0.2s ease;
}

.settings-section.active {
  display: block;
}

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

.settings-section h2 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.settings-section-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.settings-form .btn-primary {
  align-self: flex-start;
  margin-top: var(--space-sm);
}

/* Preference Cards */
.pref-group {
  margin-bottom: var(--space-xl);
}

.pref-group h4 {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.pref-cards {
  display: flex;
  gap: var(--space-md);
}

.pref-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xl) var(--space-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pref-card:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}

.pref-card.active {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 500;
}

.pref-card-icon {
  font-size: 28px;
}

/* Team Management */
.team-add-form {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  align-items: center;
}

.team-add-form .form-input {
  flex: 1;
}

.team-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.team-member-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  transition: border-color var(--transition-fast);
}

.team-member-row:hover {
  border-color: var(--accent-light);
}

.team-member-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7B61FF, var(--accent));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.team-member-info {
  flex: 1;
  min-width: 0;
}

.team-member-name {
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.team-member-role {
  font-size: var(--text-xs);
  color: var(--text-placeholder);
}

.team-member-remove {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  color: var(--text-placeholder);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.team-member-remove:hover {
  background: var(--danger-bg, #fee);
  color: var(--danger, #e53e3e);
}

.team-empty {
  text-align: center;
  color: var(--text-placeholder);
  font-size: var(--text-sm);
  padding: var(--space-2xl);
}

/* Mobile settings */
@media (max-width: 768px) {
  .settings-layout { flex-direction: column; }
  .settings-nav {
    width: 100%;
    min-width: auto;
    flex-direction: row;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-sm);
    gap: var(--space-xs);
  }
  .settings-nav-header { display: none; }
  .settings-nav-item {
    flex-shrink: 0;
    white-space: nowrap;
    padding: var(--space-sm) var(--space-md);
  }
  .settings-panel { padding: var(--space-xl) var(--space-lg); }
  .pref-cards { flex-direction: column; }
  .team-add-form { flex-wrap: wrap; }
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  z-index: 3000;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  color: var(--text-primary);
  pointer-events: auto;
  animation: toast-in 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 360px;
}

.toast.toast-out {
  animation: toast-out 200ms ease forwards;
}

.toast-icon { font-size: var(--text-base); flex-shrink: 0; }
.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--error); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info .toast-icon { color: var(--accent); }

.toast-message { flex: 1; }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(24px) scale(0.95); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(24px); }
}

/* ===== STATUS BAR ===== */
.status-bar {
  padding: var(--space-sm) var(--space-xl);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-primary);
  flex-shrink: 0;
  transition: background var(--transition-slow);
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.status-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
}

.status-sep {
  color: var(--text-placeholder);
}

.status-bar-right {
  font-size: var(--text-xs);
  color: var(--text-placeholder);
}

/* ===== LOADING SPINNER ===== */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 600ms linear infinite;
}

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

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.empty-state-desc {
  font-size: var(--text-sm);
  margin-bottom: var(--space-xl);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
  }

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

  .topbar-menu-btn { display: flex; }

  .editor-container { padding: var(--space-xl) var(--space-lg); }

  .block-controls { margin-left: -36px; width: 36px; }

  .page-title { font-size: var(--text-2xl); }

  .status-bar { padding: var(--space-sm) var(--space-lg); }

  .toast-container {
    bottom: var(--space-lg);
    right: var(--space-lg);
    left: var(--space-lg);
  }

  .toast { max-width: 100%; }
}

@media (max-width: 480px) {
  .editor-container { padding: var(--space-lg) var(--space-md); }

  .page-title { font-size: var(--text-xl); }

  .block-content[data-type="heading"][data-level="1"] { font-size: var(--text-2xl); }
  .block-content[data-type="heading"][data-level="2"] { font-size: var(--text-xl); }
  .block-content[data-type="heading"][data-level="3"] { font-size: var(--text-lg); }

  .topbar { padding: 0 var(--space-lg); }

  .topbar-actions .btn-label { display: none; }
}

/* ===== UTILITY ===== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== SIDEBAR OVERLAY (mobile) ===== */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 99;
  display: none;
}

.sidebar-overlay.visible { display: block; }

/* ===== ICON PICKER (simple emoji grid) ===== */
.icon-picker {
  position: absolute;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm);
  display: none;
  flex-wrap: wrap;
  gap: var(--space-xs);
  width: 240px;
  z-index: 500;
}

.icon-picker.visible { display: flex; }

.icon-picker-item {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-size: var(--text-lg);
  transition: background var(--transition-fast);
}

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

/* ===== FOCUS RING (Accessibility) ===== */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.block-content:focus-visible {
  outline: none;
}

/* ===== PAGE META (Author + Date) ===== */
.page-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: -4px 0 20px 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  min-height: 20px;
}

.page-meta-author {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 500;
}

.page-meta-author::before {
  content: '👤';
  font-size: 12px;
}

.page-meta-sep {
  color: var(--text-placeholder);
}

.page-meta-date {
  color: var(--text-secondary);
}

.page-meta:empty,
.page-meta[data-hidden] {
  display: none;
}

/* ===== MODAL SM (Welcome dialog) ===== */
.modal-sm {
  max-width: 420px;
  width: 90%;
}

/* ===== USER AVATAR IN SIDEBAR FOOTER ===== */
.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7B61FF, var(--accent));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-user-name {
  font-weight: 500;
  font-size: var(--text-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
  line-height: 1.3;
}

/* ===== DANGER BUTTON ===== */
.btn-danger {
  background: var(--error);
  color: white;
  border: none;
}
.btn-danger:hover {
  background: #c94040;
  color: white;
}

/* ===== SIDEBAR TRASH BUTTON ===== */
.sidebar-trash-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: calc(100% - 24px);
  margin: 0 12px 4px;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  text-align: left;
}
.sidebar-trash-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.sidebar-trash-btn.active {
  background: var(--bg-active);
  color: var(--text-primary);
}

.trash-count-badge {
  margin-left: auto;
  background: var(--error);
  color: white;
  font-size: 10px;
  font-weight: 700;
  border-radius: 10px;
  padding: 0 6px;
  min-width: 18px;
  text-align: center;
  line-height: 18px;
}

/* ===== TRASH VIEW ===== */
.trash-view {
  flex: 1;
  overflow-y: auto;
  padding: 48px 64px;
  max-width: 860px;
  margin: 0 auto;
  width: 100%;
}

.trash-view-header {
  margin-bottom: 32px;
}
.trash-view-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.trash-view-hint {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.trash-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.trash-empty {
  text-align: center;
  padding: 64px 0;
  color: var(--text-secondary);
  font-size: var(--text-base);
}
.trash-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.trash-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-fast);
}
.trash-item:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.trash-item-icon {
  font-size: 24px;
  flex-shrink: 0;
}
.trash-item-info {
  flex: 1;
  min-width: 0;
}
.trash-item-title {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.trash-item-meta {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: 4px;
}
.trash-item-days {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
  background: var(--warning-light);
  color: var(--warning);
  flex-shrink: 0;
}
.trash-item-days.expiring {
  background: var(--error-light);
  color: var(--error);
}
.trash-item-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* ===== DELETE MODAL META ===== */
.delete-modal-desc {
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-size: var(--text-sm);
  line-height: 1.6;
}
.delete-modal-meta {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.delete-modal-meta strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== SIDEBAR RESIZE HANDLE ===== */
.sidebar-resize-handle {
  width: 5px;
  background: transparent;
  cursor: col-resize;
  flex-shrink: 0;
  position: relative;
  z-index: 50;
  transition: background 0.2s;
}
.sidebar-resize-handle:hover,
.sidebar-resize-handle.dragging {
  background: var(--accent);
}

/* ===== PAGE ICON DISPLAY (clickable in page header) ===== */
.page-icon-display {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 8px;
  cursor: pointer;
  user-select: none;
  border-radius: var(--radius-md);
  padding: 4px 6px;
  transition: background var(--transition-fast), transform 0.15s;
  display: inline-block;
}
.page-icon-display:hover {
  background: var(--bg-hover);
  transform: scale(1.08);
}

/* ===== BRAND CURSOR & AESTHETICS ===== */
#site-name:hover,
#breadcrumb-root:hover {
  cursor: pointer;
  color: var(--accent);
  text-decoration: underline;
}