/* ============================================================
   iSpaceDoc Component Library
   Buttons, Forms, Tables, Cards, Badges, Modals, Toasts, etc.
   All values reference --ispace-* design tokens
   ============================================================ */

/* ============================================================
   BUTTONS
   ============================================================ */
.ispace-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ispace-space-2);
  padding: var(--ispace-space-2) var(--ispace-space-4);
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-medium);
  line-height: var(--ispace-leading-normal);
  border-radius: var(--ispace-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--ispace-duration-fast) var(--ispace-ease-out);
  white-space: nowrap;
  user-select: none;
}

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

/* Variant: Primary */
.ispace-btn-primary {
  background: var(--ispace-color-brand-500);
  color: var(--ispace-color-text-inverse);
}

.ispace-btn-primary:hover:not(:disabled) {
  background: var(--ispace-color-brand-600);
}

.ispace-btn-primary:active:not(:disabled) {
  background: var(--ispace-color-brand-700);
}

/* Variant: Secondary */
.ispace-btn-secondary {
  background: var(--ispace-color-surface-0);
  color: var(--ispace-color-text-primary);
  border-color: var(--ispace-color-border-medium);
}

.ispace-btn-secondary:hover:not(:disabled) {
  background: var(--ispace-color-surface-hover);
  border-color: var(--ispace-color-border-strong);
}

/* Variant: Outline */
.ispace-btn-outline {
  background: transparent;
  color: var(--ispace-color-brand-500);
  border-color: var(--ispace-color-brand-500);
}

.ispace-btn-outline:hover:not(:disabled) {
  background: var(--ispace-color-brand-50);
}

.ispace-btn-outline:active:not(:disabled) {
  background: var(--ispace-color-brand-100);
}

/* Variant: Ghost */
.ispace-btn-ghost {
  background: transparent;
  color: var(--ispace-color-text-secondary);
}

.ispace-btn-ghost:hover:not(:disabled) {
  background: var(--ispace-color-surface-100);
  color: var(--ispace-color-text-primary);
}

/* Variant: Danger */
.ispace-btn-danger {
  background: var(--ispace-color-error-text);
  color: var(--ispace-color-text-inverse);
}

.ispace-btn-danger:hover:not(:disabled) {
  opacity: 0.9;
}

/* Sizes */
.ispace-btn-sm {
  padding: var(--ispace-space-1) var(--ispace-space-3);
  font-size: var(--ispace-font-xs);
}

.ispace-btn-lg {
  padding: var(--ispace-space-3) var(--ispace-space-6);
  font-size: var(--ispace-font-base);
}

.ispace-btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--ispace-radius-md);
}

.ispace-btn-icon.ispace-btn-sm {
  width: 28px;
  height: 28px;
}

/* Size: Extra-small */
.ispace-btn-xs {
  padding: 0 var(--ispace-space-2);
  height: 22px;
  line-height: 22px;
  font-size: var(--ispace-font-xs);
  border-radius: var(--ispace-radius-sm);
}

/* State: Disabled (also works on <a> tags) */
.ispace-btn-disabled,
.ispace-btn.ispace-btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================================
   FORMS
   ============================================================ */
.ispace-form-group {
  margin-bottom: var(--ispace-space-4);
}

.ispace-form-label {
  display: block;
  margin-bottom: var(--ispace-space-2);
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-medium);
  color: var(--ispace-color-text-secondary);
}

.ispace-form-label-required::after {
  content: ' *';
  color: var(--ispace-color-error-border);
}

.ispace-form-input,
.ispace-form-textarea,
.ispace-form-select {
  display: block;
  width: 100%;
  padding: var(--ispace-space-2) var(--ispace-space-3);
  font-size: var(--ispace-font-sm);
  line-height: var(--ispace-leading-normal);
  color: var(--ispace-color-text-primary);
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-medium);
  border-radius: var(--ispace-radius-md);
  transition: border-color var(--ispace-duration-fast) var(--ispace-ease-out),
              box-shadow var(--ispace-duration-fast) var(--ispace-ease-out);
}

.ispace-form-input:focus,
.ispace-form-textarea:focus,
.ispace-form-select:focus {
  outline: none;
  border-color: var(--ispace-color-brand-500);
  box-shadow: 0 0 0 3px var(--ispace-color-brand-100);
}

.ispace-form-input.ispace-error,
.ispace-form-textarea.ispace-error {
  border-color: var(--ispace-color-error-border);
}

.ispace-form-input.ispace-error:focus,
.ispace-form-textarea.ispace-error:focus {
  box-shadow: 0 0 0 3px var(--ispace-color-error-bg);
}

.ispace-form-textarea {
  resize: vertical;
  min-height: 100px;
}

.ispace-form-hint {
  margin-top: var(--ispace-space-1);
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-text-quaternary);
}

.ispace-form-error-text {
  margin-top: var(--ispace-space-1);
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-error-text);
  display: none;
}

.ispace-form-group.ispace-has-error .ispace-form-error-text {
  display: block;
}

/* Inline form */
.ispace-form-inline {
  display: flex;
  gap: var(--ispace-space-4);
  align-items: flex-start;
}

.ispace-form-inline .ispace-form-group {
  flex: 1;
  margin-bottom: 0;
}

/* Form Grid — 2-column layout for side-by-side fields */
.ispace-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ispace-space-4);
}

/* Checkbox / Radio */
.ispace-form-check {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-2);
  font-size: var(--ispace-font-sm);
  cursor: pointer;
}

.ispace-form-check input[type="checkbox"],
.ispace-form-check input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--ispace-color-brand-500);
}

/* Search input */
.ispace-search-input-wrap {
  position: relative;
}

.ispace-search-input-wrap .ispace-form-input {
  padding-left: var(--ispace-space-10);
}

.ispace-search-input-icon {
  position: absolute;
  left: var(--ispace-space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--ispace-color-text-quaternary);
  pointer-events: none;
}

/* ============================================================
   TABLES
   ============================================================ */
.ispace-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--ispace-color-surface-0);
  border-radius: var(--ispace-radius-lg);
  overflow: hidden;
  border: 1px solid var(--ispace-color-border-light);
}

.ispace-table thead {
  background: var(--ispace-color-surface-50);
  border-bottom: 1px solid var(--ispace-color-border-medium);
}

.ispace-table th {
  padding: var(--ispace-space-3) var(--ispace-space-4);
  text-align: left;
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ispace-table td {
  padding: var(--ispace-space-3) var(--ispace-space-4);
  font-size: var(--ispace-font-base);
  color: var(--ispace-color-text-primary);
  border-bottom: 1px solid var(--ispace-color-border-light);
}

.ispace-table tbody tr:last-child td {
  border-bottom: none;
}

.ispace-table tbody tr:hover {
  background: var(--ispace-color-surface-hover);
}

.ispace-table tbody tr.ispace-selected {
  background: var(--ispace-color-brand-50);
}

/* ============================================================
   CARDS
   ============================================================ */
.ispace-card {
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-lg);
  box-shadow: var(--ispace-shadow-xs);
  transition: box-shadow var(--ispace-duration-normal) var(--ispace-ease-out);
}

.ispace-card:hover {
  box-shadow: var(--ispace-shadow-sm);
}

/* Hover variant: lift */
.ispace-card--hover-lift {
  transition: transform var(--ispace-duration-normal) var(--ispace-ease-out),
              box-shadow var(--ispace-duration-normal) var(--ispace-ease-out);
}
.ispace-card--hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--ispace-shadow-md);
}

/* Hover variant: accent border */
.ispace-card--hover-accent {
  transition: border-color var(--ispace-duration-normal) var(--ispace-ease-out),
              box-shadow var(--ispace-duration-normal) var(--ispace-ease-out);
}
.ispace-card--hover-accent:hover {
  border-color: var(--ispace-color-brand-300);
  box-shadow: var(--ispace-shadow-sm);
}

/* Hover variant: glow ring */
.ispace-card--hover-glow {
  transition: box-shadow var(--ispace-duration-normal) var(--ispace-ease-out);
}
.ispace-card--hover-glow:hover {
  box-shadow: 0 0 0 3px var(--ispace-color-brand-100, rgba(37, 99, 235, 0.15));
}

/* Clickable card — full card is a link */
a.ispace-card {
  display: block;
  text-decoration: none;
  color: inherit;
}
a.ispace-card:hover {
  box-shadow: var(--ispace-shadow-md);
  color: inherit;
}

.ispace-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ispace-space-4) var(--ispace-space-6);
  border-bottom: 1px solid var(--ispace-color-border-light);
}

.ispace-card-title {
  font-size: var(--ispace-font-base);
  font-weight: var(--ispace-font-semibold);
}

.ispace-card-body {
  padding: var(--ispace-space-6);
}

.ispace-card-footer {
  padding: var(--ispace-space-4) var(--ispace-space-6);
  border-top: 1px solid var(--ispace-color-border-light);
}

/* ============================================================
   BADGES
   ============================================================ */
.ispace-badge {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--ispace-space-2);
  font-size: var(--ispace-font-xs);
  font-weight: var(--ispace-font-medium);
  line-height: 1.5rem;
  border-radius: var(--ispace-radius-sm);
  white-space: nowrap;
}

.ispace-badge-primary {
  background: var(--ispace-color-brand-100);
  color: var(--ispace-color-brand-700);
}

.ispace-badge-success {
  background: var(--ispace-color-success-bg);
  color: var(--ispace-color-success-text);
}

.ispace-badge-warning {
  background: var(--ispace-color-warning-bg);
  color: var(--ispace-color-warning-text);
}

.ispace-badge-error {
  background: var(--ispace-color-error-bg);
  color: var(--ispace-color-error-text);
}

.ispace-badge-info {
  background: var(--ispace-color-info-bg);
  color: var(--ispace-color-info-text);
}

/* ============================================================
   MODALS
   ============================================================ */
.ispace-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--ispace-z-modal-backdrop);
  background: rgb(0 0 0 / 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--ispace-duration-slow) var(--ispace-ease-out),
              visibility var(--ispace-duration-slow);
}

.ispace-modal-backdrop.ispace-active {
  opacity: 1;
  visibility: visible;
}

.ispace-modal {
  position: relative;
  z-index: var(--ispace-z-modal);
  background: var(--ispace-color-surface-0);
  border-radius: var(--ispace-radius-lg);
  box-shadow: var(--ispace-shadow-xl);
  max-width: 90vw;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ispace-modal-sm { width: 400px; }
.ispace-modal-md { width: 560px; }
.ispace-modal-lg { width: 720px; }

.ispace-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ispace-space-4) var(--ispace-space-6);
  border-bottom: 1px solid var(--ispace-color-border-light);
}

.ispace-modal-title {
  font-size: var(--ispace-font-lg);
  font-weight: var(--ispace-font-semibold);
}

.ispace-modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ispace-radius-md);
  color: var(--ispace-color-text-quaternary);
  transition: all var(--ispace-duration-fast);
}

.ispace-modal-close:hover {
  background: var(--ispace-color-surface-100);
  color: var(--ispace-color-text-primary);
}

.ispace-modal-body {
  padding: var(--ispace-space-6);
  overflow-y: auto;
  flex: 1;
}

.ispace-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--ispace-space-3);
  padding: var(--ispace-space-4) var(--ispace-space-6);
  border-top: 1px solid var(--ispace-color-border-light);
}

/* ============================================================
   TOASTS
   ============================================================ */
.ispace-toast-container {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: var(--ispace-z-toast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ispace-space-3);
  max-width: 400px;
  pointer-events: none;
  font-size: var(--ispace-font-base);
}

.ispace-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--ispace-space-3);
  padding: var(--ispace-space-4);
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-md);
  box-shadow: var(--ispace-shadow-lg);
  animation: ispace-toast-in var(--ispace-duration-slow) var(--ispace-ease-out);
  transition: opacity var(--ispace-duration-normal);
  pointer-events: auto;
}

.ispace-toast.ispace-removing {
  opacity: 0;
}

@keyframes ispace-toast-in {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.ispace-toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

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

.ispace-toast-title {
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-primary);
}

.ispace-toast-description {
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-tertiary);
  margin-top: var(--ispace-space-1);
}

.ispace-toast-close {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ispace-radius-sm);
  color: var(--ispace-color-text-quaternary);
}

.ispace-toast-close:hover {
  background: var(--ispace-color-surface-100);
  color: var(--ispace-color-text-primary);
}

/* Toast variants */
.ispace-toast-success { border-left: 3px solid var(--ispace-color-success-border); }
.ispace-toast-warning { border-left: 3px solid var(--ispace-color-warning-border); }
.ispace-toast-error { border-left: 3px solid var(--ispace-color-error-border); }
.ispace-toast-info { border-left: 3px solid var(--ispace-color-info-border); }

/* ============================================================
   PAGINATION
   ============================================================ */
.ispace-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--ispace-space-2);
  margin-top: var(--ispace-space-6);
}

.ispace-pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--ispace-space-3);
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-medium);
  color: var(--ispace-color-text-secondary);
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-medium);
  border-radius: var(--ispace-radius-md);
  transition: all var(--ispace-duration-fast);
}

.ispace-pagination-btn:hover {
  background: var(--ispace-color-surface-hover);
  border-color: var(--ispace-color-brand-500);
  color: var(--ispace-color-brand-500);
}

.ispace-pagination-btn.ispace-active {
  background: var(--ispace-color-brand-500);
  color: var(--ispace-color-text-inverse);
  border-color: var(--ispace-color-brand-500);
}

.ispace-pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.ispace-pagination-info {
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-tertiary);
  padding: 0 var(--ispace-space-2);
}

/* ============================================================
   THEME TOGGLE
   ============================================================ */
.ispace-theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--ispace-radius-md);
  color: var(--ispace-color-text-tertiary);
  transition: all var(--ispace-duration-fast);
}

.ispace-theme-toggle:hover {
  background: var(--ispace-color-surface-100);
  color: var(--ispace-color-text-primary);
}

.ispace-theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   USER DROPDOWN
   ============================================================ */
.ispace-user-dropdown {
  position: relative;
}

.ispace-user-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-2);
  padding: var(--ispace-space-1) var(--ispace-space-2);
  border-radius: var(--ispace-radius-md);
  cursor: pointer;
  transition: background var(--ispace-duration-fast);
}

.ispace-user-dropdown-trigger:hover {
  background: var(--ispace-color-surface-100);
}

.ispace-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--ispace-radius-full);
  background: var(--ispace-color-brand-100);
  color: var(--ispace-color-brand-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-semibold);
  flex-shrink: 0;
  overflow: hidden;
}

.ispace-user-name {
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-medium);
  color: var(--ispace-color-text-primary);
}

.ispace-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--ispace-space-2);
  width: max-content;
  min-width: 140px;
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-md);
  box-shadow: var(--ispace-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all var(--ispace-duration-fast) var(--ispace-ease-out);
  z-index: var(--ispace-z-dropdown);
}

.ispace-dropdown-menu.ispace-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ispace-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-2);
  padding: var(--ispace-space-2) var(--ispace-space-3);
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-secondary);
  white-space: nowrap;
  transition: background var(--ispace-duration-fast);
}
.ispace-dropdown-item svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
  color: var(--ispace-color-text-quaternary);
}

.ispace-dropdown-item:first-child {
  border-radius: var(--ispace-radius-md) var(--ispace-radius-md) 0 0;
}

.ispace-dropdown-item:last-child {
  border-radius: 0 0 var(--ispace-radius-md) var(--ispace-radius-md);
}

.ispace-dropdown-item:hover {
  background: var(--ispace-color-surface-hover);
  color: var(--ispace-color-text-primary);
  text-decoration: none;
}

.ispace-dropdown-divider {
  height: 1px;
  background: var(--ispace-color-border-light);
  margin: var(--ispace-space-1) 0;
}
.ispace-dropdown-badge {
  margin-left: auto;
  min-width: 18px; height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--ispace-color-error, #e74c3c);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

/* ============================================================
   NOTIFICATION DROPDOWN
   ============================================================ */
.ispace-notification-dropdown {
  position: relative;
}
.ispace-notification-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--ispace-radius-md);
  cursor: pointer;
  transition: background var(--ispace-duration-fast);
  position: relative;
  color: var(--ispace-color-text-secondary);
}
.ispace-notification-trigger:hover {
  background: var(--ispace-color-surface-100);
  color: var(--ispace-color-text-primary);
}
.ispace-notification-badge {
  position: absolute;
  top: 2px; right: 2px;
  min-width: 16px; height: 16px;
  padding: 0 4px;
  border-radius: 8px;
  background: var(--ispace-color-error, #e74c3c);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
  pointer-events: none;
}

/* Notification panel header */
.ispace-notification-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ispace-space-3) var(--ispace-space-4);
  border-bottom: 1px solid var(--ispace-color-border-light);
  font-size: var(--ispace-font-sm);
}
.ispace-notification-mark-all {
  font-size: 12px;
  color: var(--ispace-color-brand-600);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.ispace-notification-mark-all:hover {
  text-decoration: underline;
}

/* Notification list */
.ispace-notification-list {
  max-height: 360px;
  overflow-y: auto;
}
.ispace-notification-item {
  display: flex;
  gap: var(--ispace-space-3);
  padding: var(--ispace-space-3) var(--ispace-space-4);
  cursor: pointer;
  transition: background var(--ispace-duration-fast);
  border-bottom: 1px solid var(--ispace-color-surface-100);
  position: relative;
}
.ispace-notification-item:hover {
  background: var(--ispace-color-surface-hover);
}
.ispace-notification-item.ispace-unread {
  background: var(--ispace-color-brand-50, #eff6ff);
}
.ispace-notification-item.ispace-unread:hover {
  background: var(--ispace-color-brand-100, #dbeafe);
}
.ispace-notification-item-avatar {
  width: 36px; height: 36px;
  border-radius: var(--ispace-radius-full);
  background: var(--ispace-color-surface-200);
  color: var(--ispace-color-text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: var(--ispace-font-semibold);
  flex-shrink: 0;
  overflow: hidden;
}
.ispace-notification-item-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.ispace-notification-item-body {
  flex: 1;
  min-width: 0;
}
.ispace-notification-item-title {
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-medium);
  color: var(--ispace-color-text-primary);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ispace-notification-item-text {
  font-size: 12px;
  color: var(--ispace-color-text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.ispace-notification-item-time {
  font-size: 11px;
  color: var(--ispace-color-text-quaternary);
}
.ispace-notification-unread-dot {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ispace-color-brand-600, #2563eb);
}

/* Notification footer */
.ispace-notification-footer {
  border-top: 1px solid var(--ispace-color-border-light);
  padding: var(--ispace-space-2) var(--ispace-space-4);
  text-align: center;
}
.ispace-notification-view-all {
  font-size: 12px;
  color: var(--ispace-color-brand-600);
  text-decoration: none;
}
.ispace-notification-view-all:hover {
  text-decoration: underline;
}

/* Notification loading skeleton */
.ispace-notification-skeleton {
  padding: var(--ispace-space-3) var(--ispace-space-4);
  display: flex;
  gap: var(--ispace-space-3);
}
.ispace-notification-skeleton-avatar {
  width: 36px; height: 36px;
  border-radius: var(--ispace-radius-full);
  background: var(--ispace-color-surface-200);
  animation: ispace-shimmer 1.5s infinite;
}
.ispace-notification-skeleton-lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ispace-notification-skeleton-line {
  height: 12px;
  border-radius: 4px;
  background: var(--ispace-color-surface-200);
  animation: ispace-shimmer 1.5s infinite;
}
.ispace-notification-skeleton-line:last-child {
  width: 60%;
}
@keyframes ispace-shimmer {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

/* ============================================================
   AUTHOR CARD POPUP
   ============================================================ */
.ispace-author-card {
  position: fixed;
  z-index: 10000; /* above inline-comment-panel (9998) */
  width: 280px;
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-lg);
  box-shadow: var(--ispace-shadow-xl, 0 10px 30px rgba(0,0,0,0.12));
  padding: var(--ispace-space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 150ms ease-out, visibility 150ms ease-out;
  pointer-events: none;
}
.ispace-author-card.ispace-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}
.ispace-author-card-header {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-3);
  margin-bottom: var(--ispace-space-3);
}
.ispace-author-card-avatar {
  width: 44px; height: 44px;
  border-radius: var(--ispace-radius-full);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--ispace-color-surface-200);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ispace-author-card-avatar-img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.ispace-author-card-avatar-initial {
  font-size: 16px;
  font-weight: var(--ispace-font-bold);
  color: #fff;
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ispace-author-card-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.ispace-author-card-name {
  font-size: var(--ispace-font-base);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-primary);
}
.ispace-author-card-gender {
  font-size: 14px;
  font-weight: 700;
}
.ispace-author-card-gender-male { color: #4A90D9; }
.ispace-author-card-gender-female { color: #E74C3C; }
.ispace-author-card-org {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 12px;
  color: var(--ispace-color-text-tertiary);
  margin-bottom: 2px;
  line-height: 1.5;
}
.ispace-author-card-org svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--ispace-color-text-quaternary);
}
.ispace-author-card-org-path {
  word-break: break-all;
}
.ispace-author-card-org--primary {
  color: var(--ispace-color-text-secondary);
}
.ispace-author-card-org--primary svg {
  color: var(--ispace-color-brand-500, #4f46e5);
}
.ispace-author-card-orgs {
  margin-bottom: 6px;
}
.ispace-author-card-orgs + .ispace-author-card-bio {
  padding-top: 8px;
  border-top: 1px solid var(--ispace-color-border-medium, #e5e7eb);
}
.ispace-author-card-bio {
  font-size: 12px;
  color: var(--ispace-color-text-secondary);
  margin-bottom: var(--ispace-space-2);
  line-height: 1.5;
  max-height: 54px;
  overflow: hidden;
}
.ispace-author-card-footer {
  padding-top: var(--ispace-space-2);
  border-top: 1px solid var(--ispace-color-surface-100);
}
.ispace-author-card-joined {
  font-size: 11px;
  color: var(--ispace-color-text-quaternary);
}
.ispace-author-card-error {
  font-size: 13px;
  color: var(--ispace-color-text-tertiary);
  text-align: center;
  padding: var(--ispace-space-2);
}
.ispace-author-card-skeleton {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-3);
}

/* Generic skeleton lines (shared) */
.ispace-skeleton-circle {
  border-radius: 50%;
  background: var(--ispace-color-surface-200);
  animation: ispace-shimmer 1.5s infinite;
}
.ispace-skeleton-line {
  border-radius: 4px;
  background: var(--ispace-color-surface-200);
  animation: ispace-shimmer 1.5s infinite;
}

/* ============================================================
   @MENTION DROPDOWN
   ============================================================ */
.ispace-mention-dropdown {
  position: fixed;
  z-index: 10000; /* above inline-comment-panel (9998) */
  display: none;
  min-width: 240px;
  max-height: 280px;
  overflow-y: auto;
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-md);
  box-shadow: var(--ispace-shadow-lg, 0 6px 16px rgba(0,0,0,0.1));
}
.ispace-mention-item {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-2);
  padding: var(--ispace-space-2) var(--ispace-space-3);
  cursor: pointer;
  transition: background var(--ispace-duration-fast);
}
.ispace-mention-item:hover,
.ispace-mention-item.ispace-mention-active {
  background: var(--ispace-color-surface-hover);
}
.ispace-mention-item:first-child {
  border-radius: var(--ispace-radius-md) var(--ispace-radius-md) 0 0;
}
.ispace-mention-item:last-child {
  border-radius: 0 0 var(--ispace-radius-md) var(--ispace-radius-md);
}
.ispace-mention-avatar {
  width: 28px; height: 28px;
  border-radius: var(--ispace-radius-full);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: var(--ispace-font-semibold);
  flex-shrink: 0;
  overflow: hidden;
}
.ispace-mention-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.ispace-mention-name {
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-primary);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ispace-mention-username {
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-text-quaternary);
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.ispace-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--ispace-space-12) var(--ispace-space-4);
  text-align: center;
}

.ispace-empty-state-icon {
  width: 64px;
  height: 64px;
  color: var(--ispace-color-text-quaternary);
  margin-bottom: var(--ispace-space-4);
}

.ispace-empty-state-title {
  font-size: var(--ispace-font-lg);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-secondary);
  margin-bottom: var(--ispace-space-2);
}

.ispace-empty-state-description {
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-tertiary);
  max-width: 400px;
}

/* ============================================================
   LOADING
   ============================================================ */
.ispace-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--ispace-z-tooltip);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  transition: opacity var(--ispace-duration-slow);
}

.ispace-loading-overlay.ispace-hidden {
  opacity: 0;
  pointer-events: none;
}

.ispace-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--ispace-color-border-light);
  border-top-color: var(--ispace-color-brand-500);
  border-radius: var(--ispace-radius-full);
  animation: ispace-spin 0.8s linear infinite;
}

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

/* Inline loading */
.ispace-loading-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--ispace-space-8);
}

.ispace-loading-inline .ispace-spinner {
  width: 24px;
  height: 24px;
}

/* ============================================================
   AUTH FORMS (login, register)
   ============================================================ */
/* ============================================================
   AUTH PAGES (login, register, forget password)
   Compact enough to fit on screen without scrolling.
   Perfectly centered both horizontally and vertically.
   ============================================================ */

/* Override grid to full-width so auth card centers properly */
body.ispace-auth-page .ispace-app-layout.has-sidebar {
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr;
  grid-template-areas:
    "header"
    "main";
  padding-top: 0;
}

body.ispace-auth-page .ispace-app-layout {
  min-height: 100vh;
}

/* Remove main-content padding so card fills the grid cell exactly */
body.ispace-auth-page .ispace-main-content {
  padding: 0;
  max-width: none;
}

/* Prevent scrollbar — card is smaller than viewport */
body.ispace-auth-page {
  overflow: hidden;
  display: block;
}

.ispace-main-content > .ispace-auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  padding: var(--ispace-space-4);
  background: var(--ispace-color-surface-100);
  box-sizing: border-box;
}

.ispace-auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--ispace-color-surface-0);
  border-radius: var(--ispace-radius-xl);
  box-shadow: var(--ispace-shadow-lg);
  border: 1px solid var(--ispace-color-border-light);
  padding: var(--ispace-space-6) var(--ispace-space-6) var(--ispace-space-5);
  position: relative;
  overflow: hidden;
}

/* Brand accent stripe at top of card */
.ispace-auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ispace-color-brand-500), var(--ispace-color-brand-600));
}

.ispace-auth-header {
  text-align: center;
  margin-bottom: var(--ispace-space-5);
}

.ispace-auth-logo {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--ispace-space-2);
  background: var(--ispace-color-brand-50);
  border-radius: var(--ispace-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ispace-shadow-xs);
}

.ispace-auth-title {
  font-size: var(--ispace-font-lg);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-primary);
  margin-bottom: var(--ispace-space-1);
}

.ispace-auth-subtitle {
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-tertiary);
  line-height: var(--ispace-leading-normal);
}

.ispace-auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--ispace-space-3);
}

.ispace-auth-form .ispace-form-group {
  margin-bottom: 0;
}

.ispace-auth-form .ispace-form-label {
  font-size: var(--ispace-font-xs);
  font-weight: var(--ispace-font-medium);
  color: var(--ispace-color-text-secondary);
  margin-bottom: 2px;
}

.ispace-auth-form .ispace-form-input {
  height: 40px;
  font-size: var(--ispace-font-sm);
}

.ispace-auth-form .ispace-btn {
  width: 100%;
  height: 40px;
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-semibold);
  margin-top: var(--ispace-space-1);
}

.ispace-auth-footer {
  text-align: center;
  margin-top: var(--ispace-space-4);
  padding-top: var(--ispace-space-3);
  border-top: 1px solid var(--ispace-color-border-light);
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-text-tertiary);
  display: flex;
  flex-direction: column;
  gap: var(--ispace-space-1);
}

.ispace-auth-footer a {
  color: var(--ispace-color-brand-500);
  font-weight: var(--ispace-font-medium);
  text-decoration: none;
  transition: color var(--ispace-duration-fast);
}

.ispace-auth-footer a:hover {
  color: var(--ispace-color-brand-600);
  text-decoration: underline;
}

.ispace-auth-footer .ispace-auth-back-link {
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-text-quaternary);
}

.ispace-auth-footer .ispace-auth-back-link a {
  color: var(--ispace-color-text-quaternary);
  font-weight: var(--ispace-font-normal);
}

.ispace-auth-footer .ispace-auth-back-link a:hover {
  color: var(--ispace-color-text-secondary);
}

/* Auth page form hints */
.ispace-auth-form .ispace-form-hint {
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-text-quaternary);
  margin-top: 2px;
  line-height: var(--ispace-leading-tight);
}

/* Mobile: keep card usable on small screens */
@media (max-width: 440px) {
  .ispace-auth-page {
    padding: var(--ispace-space-3);
    align-items: flex-start;
    padding-top: var(--ispace-space-8);
  }
}

/* ============================================================
   COMPACT MAIN CONTENT (doc/project detail pages)
   ============================================================ */
.ispace-main-content.doc-view-main {
  padding: var(--ispace-space-3) var(--ispace-space-2);
}

/* Override Vditor default 16px → token base 14px */
.vditor-reset.vditor-reset {
  font-size: var(--ispace-font-base);
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.ispace-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: var(--ispace-space-2);
  font-size: var(--ispace-font-base);
  color: var(--ispace-color-text-tertiary);
  flex-wrap: nowrap;
  overflow: hidden;
  max-width: 100%;
}

.ispace-breadcrumb > * {
  flex-shrink: 0;
  white-space: nowrap;
}

.ispace-breadcrumb a {
  color: var(--ispace-color-text-link);
}

.ispace-breadcrumb a:hover {
  text-decoration: underline;
}

.ispace-breadcrumb-separator {
  color: var(--ispace-color-text-quaternary);
  user-select: none;
  flex-shrink: 0;
}

.ispace-breadcrumb-ellipsis {
  flex-shrink: 0;
  color: var(--ispace-color-text-quaternary);
  cursor: default;
}

/* ============================================================
   TABS
   ============================================================ */
.ispace-tabs {
  display: flex;
  border-bottom: 1px solid var(--ispace-color-border-light);
  gap: var(--ispace-space-1);
}

.ispace-tab {
  padding: var(--ispace-space-3) var(--ispace-space-4);
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-medium);
  color: var(--ispace-color-text-tertiary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--ispace-duration-fast);
  background: none;
}

.ispace-tab:hover {
  color: var(--ispace-color-text-primary);
}

.ispace-tab.ispace-active {
  color: var(--ispace-color-brand-500);
  border-bottom-color: var(--ispace-color-brand-500);
}

/* ============================================================
   ALERT / CALLOUT
   ============================================================ */
.ispace-alert {
  display: flex;
  gap: var(--ispace-space-3);
  padding: var(--ispace-space-4);
  border-radius: var(--ispace-radius-md);
  font-size: var(--ispace-font-sm);
  border: 1px solid transparent;
}

.ispace-alert-info {
  background: var(--ispace-color-info-bg);
  color: var(--ispace-color-info-text);
  border-color: var(--ispace-color-info-border);
}

.ispace-alert-success {
  background: var(--ispace-color-success-bg);
  color: var(--ispace-color-success-text);
  border-color: var(--ispace-color-success-border);
}

.ispace-alert-warning {
  background: var(--ispace-color-warning-bg);
  color: var(--ispace-color-warning-text);
  border-color: var(--ispace-color-warning-border);
}

.ispace-alert-error {
  background: var(--ispace-color-error-bg);
  color: var(--ispace-color-error-text);
  border-color: var(--ispace-color-error-border);
}

/* ============================================================
   STATISTICS / METRICS
   ============================================================ */
.ispace-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--ispace-space-4);
}

.ispace-stat-card {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-4);
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-xl);
  padding: var(--ispace-space-5);
  transition: all var(--ispace-duration-fast) var(--ispace-ease-out);
}

.ispace-stat-card:hover {
  border-color: var(--ispace-color-brand-500);
  transform: translateY(-2px);
  box-shadow: var(--ispace-shadow-md);
}

.ispace-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--ispace-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ispace-stat-icon svg {
  width: 24px;
  height: 24px;
}

.ispace-stat-icon--brand { background: var(--ispace-color-brand-50); color: var(--ispace-color-brand-500); }
.ispace-stat-icon--success { background: var(--ispace-color-success-bg); color: var(--ispace-color-success-text); }
.ispace-stat-icon--warning { background: var(--ispace-color-warning-bg); color: var(--ispace-color-warning-text); }
.ispace-stat-icon--error { background: var(--ispace-color-error-bg); color: var(--ispace-color-error-text); }
.ispace-stat-icon--info { background: var(--ispace-color-info-bg); color: var(--ispace-color-info-text); }

.ispace-stat-content { flex: 1; }

.ispace-stat-value {
  font-size: var(--ispace-font-2xl);
  font-weight: var(--ispace-font-bold);
  color: var(--ispace-color-text-primary);
  line-height: 1;
  margin-bottom: var(--ispace-space-1);
}

.ispace-stat-label {
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-secondary);
}

/* ============================================================
   PAGE LAYOUTS
   ============================================================ */

/* Page wrapper */
.ispace-page {
  min-height: calc(100vh - 120px);
  background: var(--ispace-color-surface-50);
  padding: var(--ispace-space-6) 0;
}

/* Body class for pages using .ispace-page (extends bg to full viewport) */
.ispace-page-body {
  background: var(--ispace-color-surface-50);
}

/* Centered content card (for simple pages like settings) */
.ispace-page-card {
  max-width: var(--ispace-content-max-width);
  margin: 0 auto;
  padding: 0 var(--ispace-space-4);
}

.ispace-page-card .ispace-content-card {
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-xl);
}

/* ---- Settings Dropdown (gear button menu) ---- */
.ispace-settings-dropdown {
  position: fixed;
  z-index: 1100;
  min-width: 160px;
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-medium);
  border-radius: var(--ispace-radius-lg);
  box-shadow: var(--ispace-shadow-lg);
  padding: var(--ispace-space-1);
}

/* Two-column sidebar layout (for dashboard/user-center pages) */
.ispace-page-layout {
  max-width: var(--ispace-content-max-width);
  margin: 0 auto;
  padding: 0 var(--ispace-space-4);
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--ispace-space-8);
}

@media (max-width: 768px) {
  .ispace-page-layout {
    grid-template-columns: 1fr;
    gap: var(--ispace-space-4);
    padding: 0 var(--ispace-space-3);
  }
}

/* Page sidebar */
.ispace-page-sidebar {
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-xl);
  padding: var(--ispace-space-6);
  height: fit-content;
  position: sticky;
  top: var(--ispace-space-6);
}

@media (max-width: 768px) {
  .ispace-page-sidebar {
    position: static;
    padding: var(--ispace-space-4);
  }
}

/* Page main content */
.ispace-page-main {
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-xl);
  min-height: 600px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Content header */
.ispace-content-header {
  padding: var(--ispace-space-6) var(--ispace-space-6) var(--ispace-space-4);
  border-bottom: 1px solid var(--ispace-color-border-light);
  background: var(--ispace-color-surface-50);
  border-radius: var(--ispace-radius-xl) var(--ispace-radius-xl) 0 0;
}

.ispace-content-title {
  font-size: var(--ispace-font-3xl);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-primary);
  margin-bottom: var(--ispace-space-2);
}

.ispace-content-subtitle {
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-secondary);
}

.ispace-content-body {
  padding: var(--ispace-space-3);
  flex: 1;
}

@media (max-width: 768px) {
  .ispace-content-header {
    padding: var(--ispace-space-4);
  }
  .ispace-content-body {
    padding: var(--ispace-space-4);
  }
}

/* ============================================================
   SIDEBAR NAVIGATION
   ============================================================ */
.ispace-sidebar-nav { list-style: none; margin: 0; padding: 0; }

.ispace-sidebar-section { margin-bottom: var(--ispace-space-6); }
.ispace-sidebar-section:last-child { margin-bottom: 0; }

.ispace-sidebar-section-title {
  font-size: var(--ispace-font-sm);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-quaternary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--ispace-space-3);
}

.ispace-sidebar-item { margin-bottom: var(--ispace-space-1); }
.ispace-sidebar-item:last-child { margin-bottom: 0; }

/* .ispace-sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-3);
  padding: var(--ispace-space-3);
  color: var(--ispace-color-text-secondary);
  text-decoration: none;
  border-radius: var(--ispace-radius-md);
  font-size: var(--ispace-font-base);
  transition: all var(--ispace-duration-fast) var(--ispace-ease-out);
} */

.ispace-sidebar-link:hover {
  background: var(--ispace-color-surface-hover);
  color: var(--ispace-color-text-primary);
}

.ispace-sidebar-link.active {
  background: var(--ispace-color-brand-50);
  color: var(--ispace-color-brand-600);
  font-weight: var(--ispace-font-medium);
}

.ispace-sidebar-link.active .ispace-sidebar-icon { opacity: 1; }

.ispace-sidebar-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ispace-sidebar-icon svg {
  width: 18px;
  height: 18px;
}

.ispace-sidebar-badge {
  background: var(--ispace-color-brand-500);
  color: var(--ispace-color-text-inverse);
  font-size: var(--ispace-font-xs);
  font-weight: var(--ispace-font-medium);
  padding: 0 var(--ispace-space-2);
  border-radius: var(--ispace-radius-full);
  margin-left: auto;
  line-height: 1.5rem;
}

/* ============================================================
   PROFILE CARD (sidebar)
   ============================================================ */
.ispace-profile-card {
  display: none !important; /* hidden by default, shown via JS if user data is available */
  display: flex;
  align-items: center;
  gap: var(--ispace-space-3);
  margin-bottom: var(--ispace-space-5);
  padding-bottom: var(--ispace-space-4);
  border-bottom: 1px solid var(--ispace-color-border-light);
}

.ispace-profile-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--ispace-radius-full);
  flex-shrink: 0;
  background: var(--ispace-color-brand-500);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ispace-color-text-inverse);
  font-size: var(--ispace-font-lg);
  font-weight: var(--ispace-font-bold);
}

.ispace-profile-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.ispace-profile-info {
  min-width: 0;
}

.ispace-profile-name {
  font-size: var(--ispace-font-base);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ispace-profile-email {
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
}

.ispace-profile-stats {
  display: flex;
  gap: var(--ispace-space-4);
  justify-content: center;
}

.ispace-profile-stat {
  text-align: center;
  cursor: default;
}

.ispace-profile-stat-number {
  display: block;
  font-size: var(--ispace-font-lg);
  font-weight: var(--ispace-font-bold);
  color: var(--ispace-color-brand-500);
}

.ispace-profile-stat-label {
  display: block;
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-text-tertiary);
  margin-top: var(--ispace-space-1);
}

/* ============================================================
   SECTION HEADER (within content)
   ============================================================ */
.ispace-section-header {
  margin-bottom: var(--ispace-space-6);
  padding-bottom: var(--ispace-space-3);
  border-bottom: 1px solid var(--ispace-color-border-light);
}

.ispace-section-title {
  font-size: var(--ispace-font-lg);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-primary);
}

/* ============================================================
   RESPONSIVE — Mobile (≤768px)
   ============================================================ */
@media (max-width: 768px) {
  /* Page header: stack title and actions */
  .ispace-page-header.ispace-flex-between {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--ispace-space-3);
  }

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

  /* Content card */
  .ispace-content-card {
    padding: var(--ispace-space-4);
    border-radius: var(--ispace-radius-md);
  }

  /* Stat grid */
  .ispace-stat-grid {
    grid-template-columns: 1fr;
    gap: var(--ispace-space-3);
  }

  .ispace-stat-card {
    padding: var(--ispace-space-3);
  }

  .ispace-stat-value {
    font-size: var(--ispace-font-xl);
  }

  /* Table: horizontal scroll wrapper */
  .ispace-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .ispace-table {
    min-width: 600px;
  }

  /* Form grid */
  .ispace-form-grid {
    grid-template-columns: 1fr !important;
  }

  /* Form inline stack */
  .ispace-form-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .ispace-form-inline > * {
    width: 100%;
  }

  /* Toast center with margin */
  .ispace-toast-container {
    left: var(--ispace-space-3);
    right: var(--ispace-space-3);
    top: 50%;
    transform: translate(0, -50%);
    max-width: none;
  }

  .ispace-toast {
    min-width: 0;
    max-width: 100%;
  }

  /* Page layout */
  .ispace-page {
    padding: var(--ispace-space-4) 0;
  }

  /* Breadcrumb truncation */
  .ispace-breadcrumb {
    font-size: var(--ispace-font-sm);
  }

  /* Modal */
  .ispace-modal {
    margin: var(--ispace-space-4);
  }

  .ispace-modal-sm {
    max-width: none;
    width: auto;
  }

  /* Search input wrap full-width */
  .ispace-search-input-wrap {
    max-width: none !important;
    width: 100%;
  }

  /* Flex utilities */
  .ispace-flex-between-mobile {
    justify-content: space-between;
  }

  /* Notification tabs: wrap */
  .ispace-notification-tabs {
    gap: var(--ispace-space-2);
    padding-bottom: var(--ispace-space-2);
  }
  .ispace-notification-tab {
    padding: var(--ispace-space-1) var(--ispace-space-2);
    font-size: var(--ispace-font-xs);
  }

  /* Search filters: stack */
  .ispace-search-filters {
    flex-direction: column;
    align-items: stretch;
    gap: var(--ispace-space-2);
  }
  .ispace-search-filter-controls {
    justify-content: flex-start;
  }

  /* Tree sidebar: larger touch targets */
  .ispace-tree-toggle {
    width: 28px;
    height: 32px;
  }
  .ispace-tree-link {
    padding: var(--ispace-space-2);
  }

  /* Context menu: touch-friendly */
  .ispace-context-menu-item {
    padding: var(--ispace-space-3);
    font-size: var(--ispace-font-base);
  }
  .ispace-context-menu {
    min-width: 180px;
  }

  /* Footer: center brand on mobile */
  .ispace-footer-brand-desc {
    text-align: center;
  }
}

/* Extra small (≤480px) */
@media (max-width: 480px) {
  .ispace-card {
    border-radius: var(--ispace-radius-md);
  }

  .ispace-card-body {
    padding: var(--ispace-space-3);
  }

  .ispace-btn-sm {
    padding: 4px 10px;
    font-size: var(--ispace-font-xs);
  }

  .ispace-page-header {
    margin-bottom: var(--ispace-space-4);
  }
}

/* ============================================================
   DOC TOOLBAR (unified info + actions row)
   ============================================================ */
.ispace-doc-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--ispace-space-3);
  padding: var(--ispace-space-3) 0;
  margin-bottom: var(--ispace-space-5);
  border-bottom: 1px solid var(--ispace-color-border-light);
}
.ispace-doc-toolbar-left {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-4);
  flex-wrap: wrap;
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-tertiary);
}
.ispace-doc-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-1);
}
.ispace-doc-toolbar-author {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ispace-color-text-secondary);
  font-weight: var(--ispace-font-medium);
}
.ispace-doc-toolbar-avatar {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--ispace-color-brand-100);
  color: var(--ispace-color-brand-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: var(--ispace-font-semibold);
}
.ispace-doc-toolbar-time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--ispace-color-text-tertiary);
}
.ispace-doc-toolbar-tags {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--ispace-color-text-tertiary);
}
.ispace-doc-toolbar-tags a {
  color: var(--ispace-color-brand-500);
}

/* ============================================================
   ICON BUTTONS (toolbar icon-only)
   ============================================================ */
.ispace-btn-icon {
  width: 36px; height: 36px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--ispace-radius-md);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--ispace-color-text-tertiary);
  transition: all var(--ispace-duration-fast);
  text-decoration: none;
}
.ispace-btn-icon svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
}
.ispace-btn-icon:hover {
  background: var(--ispace-color-surface-100);
  color: var(--ispace-color-text-primary);
}
.ispace-btn-icon-sm {
  width: 32px; height: 32px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--ispace-radius-md);
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--ispace-color-text-tertiary);
  transition: all var(--ispace-duration-fast);
  text-decoration: none;
}
.ispace-btn-icon-sm svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
}
.ispace-btn-icon-sm:hover {
  background: var(--ispace-color-surface-100);
  color: var(--ispace-color-text-primary);
}

/* Danger variant icons */
.ispace-btn-icon.ispace-text-danger,
.ispace-btn-icon-sm.ispace-text-danger { color: var(--ispace-color-error-text); }
.ispace-btn-icon.ispace-text-danger:hover,
.ispace-btn-icon-sm.ispace-text-danger:hover { background: var(--ispace-color-error-bg); }

/* ============================================================
   HISTORY TOOLTIP
   ============================================================ */
.ispace-history-tooltip {
  position: fixed;
  z-index: 1100;
  width: 260px;
  max-height: 340px;
  background: var(--ispace-color-surface-0);
  border: 1px solid var(--ispace-color-border-medium);
  border-radius: var(--ispace-radius-md);
  box-shadow: var(--ispace-shadow-lg);
  overflow: hidden;
}
.ispace-history-tooltip-header {
  padding: var(--ispace-space-2) var(--ispace-space-3);
  font-size: var(--ispace-font-xs);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-tertiary);
  border-bottom: 1px solid var(--ispace-color-border-light);
}
.ispace-history-tooltip-list {
  max-height: 240px;
  overflow-y: auto;
  padding: var(--ispace-space-1) 0;
}
.ispace-history-tooltip-item {
  display: flex;
  justify-content: space-between;
  padding: var(--ispace-space-1) var(--ispace-space-3);
  font-size: var(--ispace-font-xs);
}
.ispace-history-tooltip-user {
  color: var(--ispace-color-text-secondary);
  font-weight: var(--ispace-font-medium);
}
.ispace-history-tooltip-time {
  color: var(--ispace-color-text-quaternary);
}
.ispace-history-tooltip-more {
  display: block; width: 100%; padding: var(--ispace-space-1);
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-brand-500);
  background: var(--ispace-color-surface-50);
  border: none; border-top: 1px solid var(--ispace-color-border-light);
  cursor: pointer; text-align: center;
}
.ispace-history-tooltip-more:hover {
  background: var(--ispace-color-brand-50);
}

/* ============================================================
   DOC ENGAGEMENT (Like + Reply)
   ============================================================ */
.ispace-doc-engagement {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-4);
  padding: var(--ispace-space-4) 0;
  margin: var(--ispace-space-6) 0;
  border-top: 1px solid var(--ispace-color-border-light);
  border-bottom: 1px solid var(--ispace-color-border-light);
}
.ispace-doc-like-btn,
.ispace-doc-reply-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--ispace-space-2) var(--ispace-space-4);
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-secondary);
  background: var(--ispace-color-surface-100);
  border: 1px solid var(--ispace-color-border-medium);
  border-radius: var(--ispace-radius-full);
  cursor: pointer;
  transition: all var(--ispace-duration-fast);
}
.ispace-doc-like-btn:hover,
.ispace-doc-reply-btn:hover {
  background: var(--ispace-color-surface-200);
  color: var(--ispace-color-text-primary);
}

/* ============================================================
   DOC SETTINGS MODAL (permission management + danger zone)
   ============================================================ */
/* 权限设置 — 访问级别选择器 */
.ispace-ds-role-opt {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-2);
  padding: var(--ispace-space-2) var(--ispace-space-3);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-md);
  cursor: pointer;
  font-size: var(--ispace-font-sm);
  transition: all var(--ispace-duration-fast);
  user-select: none;
}
.ispace-ds-role-opt:hover {
  border-color: var(--ispace-color-brand-300);
  background: var(--ispace-color-brand-50, #f0f5ff);
}
.ispace-ds-role-opt.ispace-active {
  border-color: var(--ispace-color-brand-500);
  background: var(--ispace-color-brand-50, #e8f0fe);
  color: var(--ispace-color-brand-600);
  font-weight: var(--ispace-font-semibold);
}
.ispace-ds-role-opt input[type="radio"] {
  accent-color: var(--ispace-color-brand-500);
  margin: 0;
}

.ispace-ds-panel {
  padding: 0;
}

.ispace-ds-perm-layout {
  display: flex;
  gap: 0;
  min-height: 360px;
  max-height: 420px;
}

.ispace-ds-perm-left {
  width: 260px;
  flex-shrink: 0;
  border-right: 1px solid var(--ispace-color-border-light);
  display: flex;
  flex-direction: column;
}

.ispace-ds-perm-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ispace-ds-search-wrap {
  padding: var(--ispace-space-3);
  border-bottom: 1px solid var(--ispace-color-border-light);
}

.ispace-ds-search-wrap .ispace-form-input {
  font-size: var(--ispace-font-xs);
  height: 32px;
  padding: 0 var(--ispace-space-3);
  border-radius: var(--ispace-radius-md);
  border: 1px solid var(--ispace-color-border-medium);
  background: var(--ispace-color-surface-50);
  width: 100%;
  outline: none;
  transition: border-color var(--ispace-duration-fast);
}

.ispace-ds-type-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--ispace-space-2);
  border-radius: var(--ispace-radius-md);
  border: 1px solid var(--ispace-color-border-medium);
  overflow: hidden;
}

.ispace-ds-type-tab {
  flex: 1;
  padding: 4px 0;
  font-size: 12px;
  font-weight: var(--ispace-font-medium);
  color: var(--ispace-color-text-tertiary);
  background: transparent;
  border: none;
  border-right: 1px solid var(--ispace-color-border-medium);
  cursor: pointer;
  transition: all var(--ispace-duration-fast);
  text-align: center;
}

.ispace-ds-type-tab:last-child {
  border-right: none;
}

.ispace-ds-type-tab:hover {
  background: var(--ispace-color-surface-hover);
  color: var(--ispace-color-text-primary);
}

.ispace-ds-type-tab.ispace-active {
  background: var(--ispace-color-brand-500);
  color: var(--ispace-color-text-inverse);
}

.ispace-ds-search-wrap .ispace-form-input:focus {
  border-color: var(--ispace-color-brand-500);
  background: var(--ispace-color-surface-0);
}

.ispace-ds-search-results {
  flex: 1;
  overflow-y: auto;
}

.ispace-ds-search-item {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-2);
  padding: var(--ispace-space-2) var(--ispace-space-3);
  cursor: pointer;
  font-size: var(--ispace-font-xs);
  transition: background var(--ispace-duration-fast);
}

.ispace-ds-search-item:hover {
  background: var(--ispace-color-surface-hover);
}

.ispace-ds-search-item.ispace-ds-already {
  opacity: 0.5;
  cursor: default;
}

.ispace-ds-search-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 12px;
  font-weight: var(--ispace-font-semibold);
  overflow: hidden;
}

.ispace-ds-search-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ispace-ds-search-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ispace-color-text-primary);
  font-weight: var(--ispace-font-medium);
}

.ispace-ds-search-username {
  color: var(--ispace-color-text-quaternary);
  font-size: 11px;
  flex-shrink: 0;
}

/* Org tree rows in permission dialog */
.ispace-ds-org-tree-row {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-2);
  padding: var(--ispace-space-2) var(--ispace-space-3);
  cursor: pointer;
  font-size: var(--ispace-font-xs);
  transition: background var(--ispace-duration-fast);
  min-height: 36px;
}
.ispace-ds-org-tree-row:hover {
  background: var(--ispace-color-surface-hover);
}
.ispace-ds-org-tree-row.ispace-ds-already {
  opacity: 0.5;
  cursor: default;
}
.ispace-ds-org-toggle {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 8px;
  color: var(--ispace-color-text-quaternary);
  cursor: pointer;
  transition: transform 0.15s;
  user-select: none;
}
.ispace-ds-org-toggle:hover {
  color: var(--ispace-color-text-primary);
}
.ispace-ds-org-open {
  transform: rotate(0deg);
}
.ispace-ds-org-children {
  /* container for child nodes */;
}

.ispace-ds-granted-header {
  padding: var(--ispace-space-3);
  font-size: var(--ispace-font-xs);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-secondary);
  border-bottom: 1px solid var(--ispace-color-border-light);
  background: var(--ispace-color-surface-50);
}

.ispace-ds-granted-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--ispace-space-1) 0;
}

.ispace-ds-granted-item {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-2);
  padding: var(--ispace-space-2) var(--ispace-space-3);
  font-size: var(--ispace-font-xs);
  transition: background var(--ispace-duration-fast);
}

.ispace-ds-granted-item:hover {
  background: var(--ispace-color-surface-hover);
}

.ispace-ds-granted-item.ispace-ds-pending-item {
  background: #fef9e7;
  border-left: 3px solid #E67E22;
}

.ispace-ds-granted-type {
  font-size: 14px;
  flex-shrink: 0;
}

.ispace-ds-granted-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ispace-color-text-primary);
  font-weight: var(--ispace-font-medium);
}

.ispace-ds-perm-toggle {
  display: flex;
  border-radius: var(--ispace-radius-md);
  border: 1px solid var(--ispace-color-border-medium);
  overflow: hidden;
  flex-shrink: 0;
}

.ispace-ds-perm-btn {
  padding: 2px 10px;
  font-size: 12px;
  font-weight: var(--ispace-font-medium);
  color: var(--ispace-color-text-tertiary);
  background: transparent;
  border: none;
  border-right: 1px solid var(--ispace-color-border-medium);
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--ispace-duration-fast);
}

.ispace-ds-perm-btn:last-child {
  border-right: none;
}

.ispace-ds-perm-btn:hover {
  background: var(--ispace-color-surface-100);
  color: var(--ispace-color-text-primary);
}

.ispace-ds-perm-btn.ispace-active {
  background: var(--ispace-color-brand-500);
  color: var(--ispace-color-text-inverse);
}

.ispace-ds-remove-btn {
  width: 24px;
  height: 24px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--ispace-radius-sm);
  color: var(--ispace-color-text-quaternary);
  cursor: pointer;
  font-size: 12px;
  flex-shrink: 0;
  transition: all var(--ispace-duration-fast);
}

.ispace-ds-remove-btn:hover {
  background: var(--ispace-color-error-bg);
  color: var(--ispace-color-error);
}

/* ---- Granted list grouped by type ---- */
.ispace-ds-granted-group {
  margin-bottom: var(--ispace-space-1);
}

.ispace-ds-granted-group-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-secondary);
  background: var(--ispace-color-surface-50);
  border-bottom: 1px solid var(--ispace-color-border-light);
}

.ispace-ds-granted-group-count {
  font-size: 11px;
  color: var(--ispace-color-text-quaternary);
  font-weight: var(--ispace-font-normal);
  margin-left: 2px;
}

.ispace-ds-perm-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: var(--ispace-font-medium);
  flex-shrink: 0;
}

.ispace-ds-perm-badge.ispace-ds-perm-view {
  background: #e8f0fe;
  color: #1967d2;
}

.ispace-ds-perm-badge.ispace-ds-perm-edit {
  background: #fef7e0;
  color: #e37400;
}

.ispace-ds-perm-badge.ispace-ds-perm-admin {
  background: #fce8e6;
  color: #c5221f;
}

.ispace-ds-perm-select {
  flex-shrink: 0;
  min-width: 80px;
  transition: border-color var(--ispace-duration-fast);
}
.ispace-ds-perm-select:hover {
  border-color: var(--ispace-color-primary) !important;
}
.ispace-ds-perm-select:focus {
  outline: none;
  border-color: var(--ispace-color-primary) !important;
  box-shadow: 0 0 0 2px var(--ispace-color-primary-bg);
}

.ispace-ds-perm-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ispace-space-3);
  padding: var(--ispace-space-3);
  border-top: 1px solid var(--ispace-color-border-light);
  background: var(--ispace-color-surface-50);
}

.ispace-ds-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: var(--ispace-space-2);
  font-size: var(--ispace-font-xs);
  color: var(--ispace-color-text-secondary);
  cursor: pointer;
  user-select: none;
}

.ispace-ds-checkbox-label input[type="checkbox"] {
  accent-color: var(--ispace-color-brand-500);
}

#ds-perm-radios label {
  transition: background 0.15s ease;
}
#ds-perm-radios label:hover {
  background: var(--ispace-color-surface-hover, #f1f5f9) !important;
}
#ds-perm-radios label input[type="radio"] {
  accent-color: var(--ispace-color-brand-500);
  margin: 0;
}

/* Mobile: stack left/right columns */
@media (max-width: 640px) {
  .ispace-ds-perm-layout {
    flex-direction: column;
    max-height: none;
  }
  .ispace-ds-perm-left {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--ispace-color-border-light);
    max-height: 200px;
  }
  .ispace-ds-perm-right {
    max-height: 260px;
  }
}

/* ========== 搜索筛选栏 ========== */
.ispace-search-filters {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--ispace-space-3);
  padding: var(--ispace-space-3) 0;
  border-bottom: 1px solid var(--ispace-color-border-light);
}

.ispace-search-tabs {
  display: flex;
  gap: var(--ispace-space-1);
}

.ispace-search-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--ispace-space-1);
  padding: var(--ispace-space-1) var(--ispace-space-3);
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-tertiary);
  text-decoration: none;
  border-radius: var(--ispace-radius-md);
  background: transparent;
  transition: all var(--ispace-duration-fast);
}

.ispace-search-tab:hover {
  color: var(--ispace-color-text-primary);
  background: var(--ispace-color-surface-100);
  text-decoration: none;
}

.ispace-search-tab.ispace-active {
  color: var(--ispace-color-brand-500);
  background: var(--ispace-color-brand-50);
  font-weight: var(--ispace-font-medium);
}

.ispace-search-filter-controls {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-2);
}

.ispace-form-select-sm {
  font-size: var(--ispace-font-xs);
  padding: var(--ispace-space-1) var(--ispace-space-2);
  height: auto;
  min-height: 32px;
}

/* ========== 评论嵌套缩进 ========== */
.ispace-comment-reply {
  margin-left: var(--ispace-space-6);
  padding-left: var(--ispace-space-4);
  border-left: 2px solid var(--ispace-color-border-light);
}
.ispace-comment-reply.ispace-comment-reply-2 {
  margin-left: var(--ispace-space-10);
}
.ispace-comment-reply.ispace-comment-reply-3 {
  margin-left: var(--ispace-space-8);
  border-left: 1px solid var(--ispace-color-border-light);
}

/* ========== 评论中自动链接 ========== */
.ispace-autolink {
  color: var(--ispace-color-brand-500);
  word-break: break-all;
}
.ispace-autolink:hover {
  text-decoration: underline;
}

/* ========== @Mention 链接 ========== */
.ispace-mention-link {
  color: var(--ispace-color-brand-500);
  font-weight: var(--ispace-font-medium);
  cursor: pointer;
  text-decoration: none;
  border-radius: 2px;
  padding: 0 1px;
  transition: background var(--ispace-duration-fast);
}
.ispace-mention-link:hover {
  background: var(--ispace-color-brand-100);
  text-decoration: underline;
}

/* ========== 划词评论标记 ========== */
.ispace-inline-marker {
  background: transparent;
  color: inherit;
  text-indent: 0;
  text-decoration: underline;
  text-decoration-style: wavy;
  text-decoration-color: var(--ispace-color-brand-400, #6c63ff);
  text-underline-offset: 4px;
  cursor: pointer;
  position: relative;
  transition: background-color 0.2s ease;
}
.ispace-inline-marker:hover {
  background-color: rgba(108, 99, 255, 0.08);
}

/* 气泡数字 — iconfont 聊天气泡图标 */
@font-face {
  font-family: "ispace-iconfont";
  src: url("/static/fonts/iconfont.ttf?t=1779370752003") format("truetype");
}
.ispace-inline-bubble {
  display: inline-flex;
  width: 14px;
  height: 14px;
  background: transparent;
  border: none;
  position: relative;
  top: -3px;
  left: 1px;
  cursor: pointer;
  vertical-align: super;
  text-indent: 0;
  transition: transform 0.15s ease;
}
.ispace-inline-bubble::before {
  content: "\e68f";
  font-family: "ispace-iconfont";
  font-size: 14px;
  color: var(--ispace-color-text-quaternary, #9ca3af);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1;
  transition: color 0.15s ease;
}
.ispace-inline-bubble:hover {
  transform: scale(1.2);
}
.ispace-inline-bubble:hover::before {
  color: var(--ispace-color-brand-500, #6c63ff);
}

/* ========== 划词评论操作条 ========== */
.ispace-inline-action-bar {
  display: none;
  position: absolute;
  z-index: 9999;
  background: #fff;
  border: 1px solid var(--ispace-color-border, #e2e8f0);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  padding: 4px;
  gap: 2px;
  font-size: var(--ispace-font-base);
}
.ispace-inline-action-bar.active {
  display: flex;
}
.ispace-inline-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  border-radius: 6px;
  color: var(--ispace-color-text-secondary, #64748b);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.ispace-inline-action-btn:hover {
  background-color: var(--ispace-color-brand-50, #f0eeff);
  color: var(--ispace-color-brand-500, #6c63ff);
}

/* ========== 划词高亮 ========== */
.ispace-inline-highlight {
  background-color: #ffeb3b;
  padding: 1px 0;
  border-radius: 2px;
  text-indent: 0;
}

/* ========== 划词评论面板 ========== */
.ispace-inline-comment-panel {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 380px;
  height: 100vh;
  background: #fff;
  border-left: 1px solid var(--ispace-color-border, #e2e8f0);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
  font-size: var(--ispace-font-base);
  z-index: 9998;
  flex-direction: column;
}
.ispace-inline-comment-panel.active {
  display: flex;
}
.ispace-inline-comment-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--ispace-color-border, #e2e8f0);
  flex-shrink: 0;
}
.ispace-inline-comment-panel-header h4 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ispace-color-text, #1e293b);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ispace-inline-comment-panel-close {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  font-size: 20px;
  color: var(--ispace-color-text-secondary, #64748b);
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease;
}
.ispace-inline-comment-panel-close:hover {
  background-color: var(--ispace-color-bg-hover, #f1f5f9);
}
.ispace-inline-comment-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}
.ispace-inline-comment-panel-input {
  flex-shrink: 0;
  padding: 12px 20px 16px;
  border-top: 1px solid var(--ispace-color-border, #e2e8f0);
}
.ispace-inline-comment-panel-input textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--ispace-color-border, #e2e8f0);
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.6;
  resize: none;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s ease;
}
.ispace-inline-comment-panel-input textarea:focus {
  border-color: var(--ispace-color-brand-500, #6c63ff);
}
.ispace-inline-comment-panel-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}
.ispace-inline-comment-char-count {
  font-size: 12px;
  color: var(--ispace-color-text-muted, #94a3b8);
}

/* 评论列表项 */
.ispace-inline-comment-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--ispace-color-border-light, #f1f5f9);
}
.ispace-inline-comment-item:last-child {
  border-bottom: none;
}
.ispace-inline-comment-item-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.ispace-inline-comment-author {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex-shrink: 1;
}
.ispace-inline-comment-author strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--ispace-color-text, #1e293b);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* 用户名中间省略 — 用于超长用户名 */
.ispace-inline-comment-name {
  display: flex;
  min-width: 0;
  overflow: hidden;
  font-size: 13px;
  font-weight: 600;
  color: var(--ispace-color-text, #1e293b);
}
.ispace-inline-comment-name-start {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.ispace-inline-comment-name-end {
  flex-shrink: 0;
  white-space: nowrap;
}
.ispace-inline-comment-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.ispace-inline-comment-avatar-initial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ispace-color-brand-500);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
}
.ispace-inline-comment-time {
  font-size: 12px;
  color: var(--ispace-color-text-muted, #94a3b8);
  flex-shrink: 0;
  white-space: nowrap;
}
.ispace-inline-comment-item-body {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ispace-color-text, #1e293b);
  word-break: break-word;
}
.ispace-inline-comment-delete {
  margin-left: auto;
  width: 20px;
  height: 20px;
  border: none;
  background: transparent;
  font-size: 16px;
  color: var(--ispace-color-text-muted, #94a3b8);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  transition: color 0.15s ease;
}
.ispace-inline-comment-item:hover .ispace-inline-comment-delete {
  visibility: visible;
}
.ispace-inline-comment-delete:hover {
  color: var(--ispace-color-danger, #ef4444);
}
.ispace-inline-comment-loading,
.ispace-inline-comment-empty {
  text-align: center;
  padding: 32px 16px;
  font-size: 13px;
  color: var(--ispace-color-text-muted, #94a3b8);
}

/* 回复按钮 */
.ispace-inline-comment-reply-btn {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--ispace-color-brand-500, #6c63ff);
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.15s ease;
}
.ispace-inline-comment-reply-btn:hover {
  background-color: var(--ispace-color-brand-50, #f0eeff);
}

/* 回复列表容器 */
.ispace-inline-comment-replies {
  margin-top: 8px;
  padding-left: 16px;
  border-left: 2px solid var(--ispace-color-border-light, #f1f5f9);
}

/* 回复项 */
.ispace-inline-comment-reply-item {
  padding: 8px 0;
}
.ispace-inline-comment-reply-item + .ispace-inline-comment-reply-item {
  border-top: 1px solid var(--ispace-color-border-light, #f1f5f9);
}

/* 回复目标高亮 */
.ispace-inline-comment-reply-target {
  background-color: var(--ispace-color-brand-50, #f0eeff);
  border-radius: 8px;
  padding: 8px 12px;
  margin: -4px -8px;
}

/* 回复指示条 */
.ispace-inline-reply-indicator {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 20px;
  font-size: 12px;
  color: var(--ispace-color-text-secondary, #64748b);
  background: var(--ispace-color-brand-50, #f0eeff);
  border-bottom: 1px solid var(--ispace-color-brand-100, #ddd8ff);
  flex-shrink: 0;
}
.ispace-inline-reply-indicator strong {
  color: var(--ispace-color-brand-600, #5a4fcf);
}
.ispace-inline-reply-cancel {
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  font-size: 16px;
  color: var(--ispace-color-text-muted, #94a3b8);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease;
}
.ispace-inline-reply-cancel:hover {
  color: var(--ispace-color-danger, #ef4444);
}

/* ========== Context Menu ========== */
.ispace-context-menu {
  position: fixed;
  z-index: 1100;
  min-width: 170px;
  background: var(--ispace-color-surface-0, #ffffff);
  border: 1px solid var(--ispace-color-border, #e2e8f0);
  border-radius: var(--ispace-radius-lg, 0.75rem);
  box-shadow: var(--ispace-shadow-lg, 0 10px 15px -3px rgba(0,0,0,0.1));
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ispace-context-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: var(--ispace-font-sm);
  color: var(--ispace-color-text-secondary, #374151);
  background: none;
  border: none;
  border-radius: var(--ispace-radius-md, 0.5rem);
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: background-color var(--ispace-duration-fast) var(--ispace-ease-out);
  white-space: nowrap;
}
.ispace-context-menu-item:hover {
  background-color: var(--ispace-color-surface-hover, #f1f5f9);
}
.ispace-context-menu-item--danger {
  color: var(--ispace-color-danger, #ef4444);
}
.ispace-context-menu-item--danger:hover {
  background-color: var(--ispace-color-error-bg, #fee2e2);
}

/* ========== Tree Node ========== */
.ispace-tree-node {
  user-select: none;
}
.ispace-tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: var(--ispace-radius-md);
  cursor: pointer;
  transition: background-color var(--ispace-duration-fast) var(--ispace-ease-out);
}
.ispace-tree-row:hover {
  background-color: var(--ispace-color-surface-hover, #f1f5f9);
}
.ispace-tree-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 28px;
  flex-shrink: 0;
  color: var(--ispace-color-text-tertiary, #6b7280);
  cursor: pointer;
  border-radius: var(--ispace-radius-sm);
  transition: color var(--ispace-duration-fast), transform var(--ispace-duration-fast);
}
.ispace-tree-toggle[data-has-children="1"]:hover {
  color: var(--ispace-color-brand-500, #3b82f6);
}
.ispace-tree-link {
  flex: 1;
  min-width: max-content;
  display: flex;
  align-items: center;
  padding: 2px 4px;
  font-size: var(--ispace-font-base);
  color: var(--ispace-color-text-secondary, #374151);
  text-decoration: none;
  border-radius: var(--ispace-radius-sm);
  transition: color var(--ispace-duration-fast), background-color var(--ispace-duration-fast);
  white-space: nowrap;
  overflow: hidden;
}
.ispace-tree-link:hover {
  color: var(--ispace-color-brand-500, #3b82f6);
  text-decoration: none;
}
.ispace-tree-link.ispace-active {
  background-color: var(--ispace-color-brand-50, #eff6ff);
  color: var(--ispace-color-brand-500, #3b82f6);
  font-weight: 500;
}
.ispace-tree-children {
  padding-left: 20px;
}
.ispace-tree-node.ispace-sortable-ghost {
  opacity: 0.4;
  background-color: var(--ispace-color-brand-50, #eff6ff);
}
.ispace-tree-node.ispace-sortable-drag {
  opacity: 0.9;
  box-shadow: var(--ispace-shadow-lg);
}
.ispace-tree-node.ispace-drop-target {
  outline: 2px dashed var(--ispace-color-brand-500, #3b82f6);
  outline-offset: -2px;
  border-radius: var(--ispace-radius-md);
  background-color: var(--ispace-color-brand-50, #eff6ff);
}

/* ========== Sidebar Collapsed State ========== */
.ispace-sidebar--collapsed {
  width: var(--ispace-sidebar-collapsed-width, 64px) !important;
  overflow: hidden;
}
.ispace-sidebar--collapsed .ispace-tree-node,
.ispace-sidebar--collapsed .ispace-tree-children,
.ispace-sidebar--collapsed .ispace-sidebar-empty-state {
  display: none;
}
.ispace-sidebar--collapsed .ispace-sidebar-toggle svg {
  transform: rotate(180deg);
}

/* ============================================================
   ADMIN TOOLBAR — 管理后台统一工具栏
   Subtle card-style bar: title | controls ... spacer ... actions
   ============================================================ */
.admin-toolbar {
  display: flex;
  align-items: center;
  gap: var(--ispace-space-4);
  margin-bottom: var(--ispace-space-5);
  padding: var(--ispace-space-3) var(--ispace-space-5);
  background: var(--ispace-color-surface-50);
  border: 1px solid var(--ispace-color-border-light);
  border-radius: var(--ispace-radius-lg);
  flex-wrap: wrap;
}

.admin-toolbar-title {
  font-size: var(--ispace-font-base);
  font-weight: var(--ispace-font-semibold);
  color: var(--ispace-color-text-primary);
  margin: 0;
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--ispace-space-3);
}

/* Subtle divider between title and controls — hidden when toolbar wraps */
.admin-toolbar-title::after {
  content: '';
  display: inline-block;
  width: 1px;
  height: 20px;
  background: var(--ispace-color-border-medium);
  flex-shrink: 0;
}

.admin-toolbar-spacer {
  flex: 1;
  min-width: var(--ispace-space-2);
}

/* On narrow screens, collapse the title separator */
@media (max-width: 768px) {
  .admin-toolbar {
    padding: var(--ispace-space-3) var(--ispace-space-4);
    gap: var(--ispace-space-2);
  }
  .admin-toolbar-title::after {
    display: none;
  }
}

/* ========== 编辑器 Callout 实时渲染 ========== */
/* 在 Vditor IR 编辑器中检测 >i >w >e >s >t 前缀并染色 */

/* 隐藏前缀 span：视觉不可见但保留在 DOM 中，确保 Vditor markdown 序列化不丢失 >i 前缀 */
.vditor-reset .callout-prefix,
.vditor-ir .callout-prefix {
  font-size: 0;
  line-height: 0;
  color: transparent;
  user-select: none;
  pointer-events: none;
}

/* 边框 + 背景色（JS 添加 class 后生效） */
.vditor-reset blockquote.info,
.vditor-ir blockquote.info {
  border-left: 4px solid #0969da;
  background-color: #f0f7ff;
}
.vditor-reset blockquote.warning,
.vditor-ir blockquote.warning {
  border-left: 4px solid #f0ad4e;
  background-color: #fffcf5;
}
.vditor-reset blockquote.danger,
.vditor-ir blockquote.danger {
  border-left: 4px solid #d9534f;
  background-color: #fff5f5;
}
.vditor-reset blockquote.success,
.vditor-ir blockquote.success {
  border-left: 4px solid #50af51;
  background-color: #f5fdf5;
}
.vditor-reset blockquote.tip,
.vditor-ir blockquote.tip {
  border-left: 4px solid #6f42c1;
  background-color: #faf8fc;
}

/* ---- Callout 图标（通过 blockquote CSS class 渲染 ::before，不注入 DOM 元素） ---- */
/* 避免空 &lt;i&gt; 标签被 Lute IR→MD 序列化破坏导致后续 echarts/mermaid 等代码块丢失 */
.vditor-ir blockquote.info > p:first-child::before,
.vditor-reset blockquote.info > p:first-child::before {
  font-family: layui-icon !important;
  content: "\e60b";
  color: #0969da;
  margin-right: 6px;
  -webkit-text-stroke: 0.4px currentColor;
}
.vditor-ir blockquote.warning > p:first-child::before,
.vditor-reset blockquote.warning > p:first-child::before {
  font-family: layui-icon !important;
  content: "\e667";
  color: #f0ad4e;
  margin-right: 6px;
  -webkit-text-stroke: 0.4px currentColor;
}
.vditor-ir blockquote.danger > p:first-child::before,
.vditor-reset blockquote.danger > p:first-child::before {
  font-family: layui-icon !important;
  content: "\e672";
  color: #d9534f;
  margin-right: 6px;
  -webkit-text-stroke: 0.4px currentColor;
}
.vditor-ir blockquote.success > p:first-child::before,
.vditor-reset blockquote.success > p:first-child::before {
  font-family: layui-icon !important;
  content: "\e600";
  color: #50af51;
  margin-right: 6px;
  -webkit-text-stroke: 0.4px currentColor;
}
.vditor-ir blockquote.tip > p:first-child::before,
.vditor-reset blockquote.tip > p:first-child::before {
  font-family: layui-icon !important;
  content: "\e748";
  color: #6f42c1;
  margin-right: 6px;
  -webkit-text-stroke: 0.4px currentColor;
}

/* ============================================================
   Table Column Resize — 表格列宽拖拽调整
   ============================================================ */

.ispace-col-resizer:hover,
.ispace-col-resizer--active {
  background-color: var(--ispace-color-brand-500, #d4843a);
  opacity: 0.4;
  border-right-color: var(--ispace-color-brand-500, #d4843a);
}


/* ============================================================
   Child Doc List — 子文档目录组件
   ============================================================ */

.ispace-child-doc-list {
  border: 1px solid var(--ispace-color-surface-200, #ebe3da);
  border-radius: var(--ispace-radius-lg, 12px);
  padding: 0;
  margin: 16px 0;
  background: var(--ispace-color-surface-0, #fff) !important;
  overflow: hidden;
}

/* 父容器代码块去除深色背景 */
pre:has(.ispace-child-doc-list),
pre:has(.ispace-child-doc-list--empty) {
  background: transparent !important;
  padding: 0 !important;
  border: none !important;
}

.ispace-child-doc-list-header {
  padding: 10px 16px;
  font-size: var(--ispace-font-sm, 0.875rem);
  font-weight: 600;
  color: var(--ispace-color-text-primary, #1a1410);
  border-bottom: 1px solid var(--ispace-color-surface-200, #ebe3da);
  background: var(--ispace-color-surface-50, #faf8f5);
}

.ispace-child-doc-list ul {
  list-style: none;
  margin: 0;
  padding: 4px 0;
}

.ispace-child-doc-list li {
  padding: 0;
  margin: 0;
}

.ispace-child-doc-list li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: var(--ispace-font-sm, 0.875rem);
  color: var(--ispace-color-text-primary, #1a1410);
  text-decoration: none;
  transition: background-color 150ms ease;
}

.ispace-child-doc-list li a:hover {
  background: var(--ispace-color-surface-100, #f5f0eb);
  color: var(--ispace-color-brand-500, #d4843a);
}

.ispace-child-doc-icon {
  flex-shrink: 0;
  color: var(--ispace-color-text-tertiary, #7a6f65);
}

.ispace-child-doc-list-footer {
  padding: 8px 16px;
  font-size: var(--ispace-font-xs, 0.75rem);
  color: var(--ispace-color-text-tertiary, #7a6f65);
  border-top: 1px solid var(--ispace-color-surface-200, #ebe3da);
  text-align: right;
}

.ispace-child-doc-list--empty {
  padding: 24px 16px;
  text-align: center;
  color: var(--ispace-color-text-tertiary, #7a6f65);
  font-size: var(--ispace-font-sm, 0.875rem);
}