/* Document mode — sidebar + full-page editor */

.document-mode-page {
    --doc-sidebar-width: 280px;
    --doc-bg: #f5f5f7;
    --doc-sidebar-bg: #ebebed;
    --doc-editor-bg: #ffffff;
    --doc-border: #d1d1d6;
    --doc-text: #1d1d1f;
    --doc-text-secondary: #6e6e73;
    --doc-accent: #667eea;
    --doc-accent-hover: #5568d3;
    --doc-selected: rgba(102, 126, 234, 0.12);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--doc-text);
    background: var(--doc-bg);
    margin: 0;
    min-height: 100vh;
    overflow: hidden;
}

.document-shell {
    display: flex;
    height: 100vh;
    height: 100dvh;
}

/* Sidebar */
.document-sidebar {
    width: var(--doc-sidebar-width);
    min-width: var(--doc-sidebar-width);
    background: var(--doc-sidebar-bg);
    border-right: 1px solid var(--doc-border);
    display: flex;
    flex-direction: column;
    z-index: 20;
}

.document-sidebar-header {
    padding: 12px 14px 10px;
    border-bottom: 1px solid var(--doc-border);
    flex-shrink: 0;
}

.document-sidebar-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
}

.document-brand {
    font-size: 15px;
    font-weight: 600;
    color: var(--doc-text);
    letter-spacing: -0.02em;
}

.document-new-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    background: var(--doc-accent);
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
}

.document-new-btn:hover {
    background: var(--doc-accent-hover);
}

.document-search {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--doc-border);
    border-radius: 8px;
    font-size: 13px;
    background: #fff;
    color: var(--doc-text);
}

.document-search:focus {
    outline: none;
    border-color: var(--doc-accent);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.2);
}

.document-note-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.document-note-group-label {
    padding: 8px 16px 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--doc-text-secondary);
}

.document-note-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 10px 16px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
    border-left: 3px solid transparent;
}

.document-note-item:hover {
    background: rgba(0, 0, 0, 0.04);
}

.document-note-item.is-active {
    background: var(--doc-selected);
    border-left-color: var(--doc-accent);
}

.document-note-item-title {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.document-note-item-preview {
    font-size: 12px;
    color: var(--doc-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.document-note-item-meta {
    font-size: 11px;
    color: var(--doc-text-secondary);
    margin-top: 3px;
}

.document-sidebar-empty {
    padding: 24px 16px;
    text-align: center;
    font-size: 13px;
    color: var(--doc-text-secondary);
}

/* Main editor pane */
.document-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--doc-editor-bg);
}

.document-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 20px;
    border-bottom: 1px solid var(--doc-border);
    flex-shrink: 0;
    min-height: 48px;
}

.document-toolbar-left,
.document-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.document-toolbar-btn {
    padding: 6px 12px;
    border: 1px solid var(--doc-border);
    border-radius: 8px;
    background: #fff;
    font-size: 13px;
    color: var(--doc-text);
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.document-toolbar-btn:hover {
    background: #f9f9fb;
}

.document-toolbar-btn--primary {
    background: var(--doc-accent);
    border-color: var(--doc-accent);
    color: #fff;
}

.document-toolbar-btn--primary:hover {
    background: var(--doc-accent-hover);
}

.document-save-status {
    font-size: 12px;
    color: var(--doc-text-secondary);
    min-width: 72px;
    text-align: right;
}

.document-save-status.is-saving {
    color: var(--doc-accent);
}

.document-save-status.is-error {
    color: #c62828;
}

.document-editor-wrap {
    flex: 1;
    overflow-y: auto;
    display: flex;
    justify-content: center;
    padding: 32px 24px 96px;
    min-height: 0;
}

.document-editor-wrap[hidden],
.document-empty-state[hidden] {
    display: none !important;
}

.document-editor-inner {
    width: 100%;
    max-width: 720px;
}

.document-doc {
    width: 100%;
}

.document-tags-section--popover {
    display: none !important;
}

.document-meta-icons {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 10px;
}

.document-meta-dot {
    position: relative;
    width: 20px;
    height: 20px;
    padding: 0;
    border: 1.5px solid #d1d1d6;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.document-meta-dot:hover {
    border-color: var(--doc-accent);
}

.document-meta-dot--has {
    border-color: var(--doc-accent);
    background: #f5f6ff;
}

.document-meta-dot--active {
    border-color: var(--doc-accent);
    background: #eef2ff;
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15);
}

.document-meta-dot--loading {
    opacity: 0.55;
    cursor: wait;
}

.document-meta-dot-glyph {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #b0b0b8;
    transition: background 0.15s ease;
}

.document-meta-dot--has .document-meta-dot-glyph,
.document-meta-dot--active .document-meta-dot-glyph {
    background: var(--doc-accent);
}

.document-meta-dot--format .document-meta-dot-glyph {
    width: 10px;
    height: 2px;
    border-radius: 1px;
    background: transparent;
    box-shadow: 0 -3px 0 #b0b0b8, 0 3px 0 #b0b0b8;
}

.document-meta-dot--format.document-meta-dot--active .document-meta-dot-glyph,
.document-meta-dot--format.document-meta-dot--has .document-meta-dot-glyph {
    box-shadow: 0 -3px 0 var(--doc-accent), 0 3px 0 var(--doc-accent);
}

.document-meta-dot--agents .document-meta-dot-glyph {
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: #b0b0b8;
}

.document-meta-dot--agents.document-meta-dot--has .document-meta-dot-glyph {
    border-radius: 50%;
}

.document-meta-dot--ask .document-meta-dot-glyph {
    width: 8px;
    height: 5px;
    border-radius: 4px 4px 4px 1px;
    background: #b0b0b8;
}

.document-meta-dot--ask.document-meta-dot--active .document-meta-dot-glyph,
.document-meta-dot--ask.document-meta-dot--has .document-meta-dot-glyph {
    background: var(--doc-accent);
}

.document-meta-dot-badge {
    position: absolute;
    top: -5px;
    right: -6px;
    min-width: 12px;
    height: 12px;
    padding: 0 3px;
    border-radius: 999px;
    background: var(--doc-accent);
    color: #fff;
    font-size: 8px;
    font-weight: 700;
    line-height: 12px;
    text-align: center;
    pointer-events: none;
}

.document-meta-popover {
    position: fixed;
    z-index: 1180;
    width: min(300px, calc(100vw - 24px));
    max-height: min(360px, 70vh);
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--doc-border);
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
    overflow: hidden;
}

.document-meta-popover[hidden] {
    display: none !important;
}

.document-meta-popover-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--doc-border);
    flex-shrink: 0;
}

.document-meta-popover-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--doc-text);
}

.document-meta-popover-close {
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 6px;
    background: transparent;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    color: var(--doc-text-secondary);
}

.document-meta-popover-close:hover {
    background: #f0f0f2;
}

.document-meta-popover-body {
    padding: 10px 12px 12px;
    overflow-y: auto;
    overflow-x: hidden;
}

.document-meta-popover-empty {
    margin: 0 0 8px;
    font-size: 13px;
    color: var(--doc-text-secondary);
}

.document-meta-popover-section {
    margin: 8px 0 6px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--doc-text-secondary);
}

.document-meta-popover-section:first-child {
    margin-top: 0;
}

.document-meta-popover-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 0;
    font-size: 13px;
    border-bottom: 1px solid #f0f0f2;
}

.document-meta-popover-row:last-of-type {
    border-bottom: none;
}

.document-meta-popover-btn {
    flex-shrink: 0;
    padding: 4px 10px;
    border: 1px solid var(--doc-border);
    border-radius: 6px;
    background: #fff;
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    color: var(--doc-text);
}

.document-meta-popover-btn:hover {
    background: #f5f5f7;
}

.document-meta-popover-btn--primary {
    border-color: var(--doc-accent);
    background: var(--doc-accent);
    color: #fff;
}

.document-meta-popover-btn--primary:hover {
    background: var(--doc-accent-hover);
}

.document-meta-popover-link {
    display: inline-block;
    margin-top: 10px;
    font-size: 12px;
    color: var(--doc-accent);
    text-decoration: none;
}

.document-meta-popover-link:hover {
    text-decoration: underline;
}

.document-meta-tag-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
    max-width: 100%;
}

.document-meta-tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    padding: 3px 6px 3px 10px;
    border-radius: 999px;
    background: #eef2ff;
    color: #4338ca;
}

.document-meta-tag-chip-remove {
    width: 16px;
    height: 16px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    color: inherit;
}

.document-meta-tag-add .document-tag-input {
    width: 100%;
}

.document-tags-section {
    display: none;
}

/* Format strip — hidden by default; middle dot toggles */
.document-format-strip {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-wrap: wrap;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    margin-bottom: 0;
    padding: 0;
    border-bottom: 1px solid transparent;
    transition: max-height 0.18s ease, opacity 0.15s ease, margin 0.18s ease, padding 0.18s ease;
}

.document-editor-wrap.is-format-revealed .document-format-strip {
    max-height: 80px;
    opacity: 1;
    pointer-events: auto;
    margin-bottom: 12px;
    padding: 4px 0 10px;
    border-bottom-color: var(--doc-border);
}

.document-format-strip-spacer {
    flex: 1;
    min-width: 8px;
}

.document-format-strip-divider {
    width: 1px;
    height: 18px;
    margin: 0 4px;
    background: var(--doc-border);
    flex-shrink: 0;
}

.document-fmt-btn--history {
    font-size: 15px;
    line-height: 1;
    color: var(--doc-text-secondary);
}

.document-fmt-btn--history.document-fmt-btn--highlight {
    color: var(--doc-accent);
    background: #eef2ff;
}

.document-format-collapse {
    color: var(--doc-text-secondary);
    font-size: 16px;
}

.document-fmt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: none;
    border-radius: 7px;
    background: transparent;
    color: var(--doc-text-secondary);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    line-height: 1;
}

.document-fmt-btn strong,
.document-fmt-btn em {
    font: inherit;
    color: inherit;
}

.document-fmt-btn:hover {
    background: #f0f0f2;
    color: var(--doc-text);
}

.document-fmt-btn:active {
    background: #e8e8ed;
}

.document-fmt-size-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 32px;
    margin: 0 2px;
    cursor: pointer;
}

.document-fmt-size-icon {
    position: absolute;
    left: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--doc-text-secondary);
    pointer-events: none;
    z-index: 1;
}

.document-fmt-size {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 32px;
    min-width: 88px;
    padding: 0 8px 0 28px;
    border: none;
    border-radius: 7px;
    background: transparent;
    color: var(--doc-text-secondary);
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    appearance: auto;
    -webkit-appearance: menulist;
}

.document-fmt-size:hover {
    background: #f0f0f2;
    color: var(--doc-text);
}

.document-fmt-size:focus {
    outline: none;
    background: #eef2ff;
    color: var(--doc-accent);
}

.document-body.is-rich-text .doc-md-size--sm,
.document-body.is-rich-text small.doc-md-size--sm,
.document-body.is-md-preview .doc-md-size--sm,
.document-body.is-md-preview small.doc-md-size--sm {
    font-size: 0.8125rem;
}

.document-body.is-rich-text .doc-md-size--lg,
.document-body.is-md-preview .doc-md-size--lg {
    font-size: 1.125em;
}

.document-body.is-rich-text .doc-md-size--xl,
.document-body.is-md-preview .doc-md-size--xl {
    font-size: 1.3125em;
}

.document-body.is-rich-text .doc-md-style--subheading,
.document-body.is-md-preview .doc-md-style--subheading {
    font-size: 1.15em;
    font-weight: 600;
}

.document-body.is-rich-text .doc-md-style--heading,
.document-body.is-md-preview .doc-md-style--heading {
    font-size: 1.3em;
    font-weight: 600;
}

.document-body.is-rich-text .doc-md-style--title,
.document-body.is-md-preview .doc-md-style--title {
    font-size: 1.5em;
    font-weight: 700;
}

.document-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
    min-height: 0;
}

.document-tags:empty {
    display: none;
}

.document-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    padding: 3px 6px 3px 10px;
    border-radius: 999px;
    background: #eef2ff;
    color: #4338ca;
    border: none;
    font-family: inherit;
}

.document-tag--ai {
    background: #f3f4f6;
    color: #4b5563;
}

.document-tag-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: inherit;
    opacity: 0.55;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
}

.document-tag-remove:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.08);
}

.document-tag-add-wrap {
    position: relative;
    max-width: 280px;
}

.document-tag-input {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--doc-border);
    border-radius: 8px;
    font-size: 13px;
    background: #fafafa;
    color: var(--doc-text);
}

.document-tag-input:focus {
    outline: none;
    border-color: var(--doc-accent);
    background: #fff;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.15);
}

.document-tag-suggestions {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    margin: 0;
    padding: 4px 0;
    list-style: none;
    background: #fff;
    border: 1px solid var(--doc-border);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    z-index: 30;
    max-height: 180px;
    overflow-y: auto;
}

.document-tag-suggestions li button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 12px;
    border: none;
    background: transparent;
    font-size: 13px;
    color: var(--doc-text);
    cursor: pointer;
    font-family: inherit;
}

.document-tag-suggestions li button:hover,
.document-tag-suggestions li button:focus {
    background: var(--doc-selected);
    outline: none;
}

.document-body {
    min-height: 50vh;
    padding-bottom: min(40vh, 320px);
    font-size: 16px;
    line-height: 1.65;
    color: var(--doc-text);
    outline: none;
    word-break: break-word;
    overflow-anchor: none;
    contain: layout style;
}

.document-body > .document-doc-title {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.5em;
    line-height: 1.25;
    color: var(--doc-text);
}

.document-body > h1.document-doc-title {
    font-size: 2.5em;
}

.document-body > h2.document-doc-title {
    font-size: 1.75em;
}

.document-body > h3.document-doc-title {
    font-size: 1.35em;
}

.document-body > h4.document-doc-title,
.document-body > h5.document-doc-title,
.document-body > h6.document-doc-title {
    font-size: 1.1em;
}

.document-body > .document-doc-title:only-child:has(br:only-child)::before,
.document-body > .document-doc-title:empty::before {
    content: attr(data-placeholder);
    color: #c7c7cc;
    font-weight: 700;
    pointer-events: none;
}

.document-body > .document-doc-title:focus {
    outline: none;
}

.document-body:not(.is-rich-text) {
    white-space: pre-wrap;
}

.document-body.is-rich-text,
.document-body.is-md-preview {
    white-space: normal;
}

.document-body.is-rich-text .doc-md-p,
.document-body.is-md-preview .doc-md-p {
    margin: 0 0 0.85em;
}

.document-body.is-rich-text .doc-md-p:last-child,
.document-body.is-md-preview .doc-md-p:last-child {
    margin-bottom: 0;
}

.document-body.is-rich-text .doc-md-h,
.document-body.is-md-preview .doc-md-h {
    margin: 1.25em 0 0.5em;
    font-weight: 600;
    line-height: 1.3;
    color: var(--doc-text);
}

.document-body.is-rich-text .doc-md-h:first-child,
.document-body.is-md-preview .doc-md-h:first-child {
    margin-top: 0;
}

.document-body.is-rich-text h1.doc-md-h,
.document-body.is-md-preview h1.doc-md-h { font-size: 1.5em; }
.document-body.is-rich-text > h1.document-doc-title,
.document-body.is-md-preview > h1.document-doc-title {
    font-size: 2.5em;
    font-weight: 700;
    margin: 0 0 0.5em;
}
.document-body.is-rich-text > h2.document-doc-title,
.document-body.is-md-preview > h2.document-doc-title { font-size: 1.75em; }
.document-body.is-rich-text > h3.document-doc-title,
.document-body.is-md-preview > h3.document-doc-title { font-size: 1.35em; }
.document-body.is-rich-text h2.doc-md-h,
.document-body.is-md-preview h2.doc-md-h { font-size: 1.3em; }
.document-body.is-rich-text h3.doc-md-h,
.document-body.is-md-preview h3.doc-md-h { font-size: 1.15em; }
.document-body.is-rich-text h4.doc-md-h,
.document-body.is-rich-text h5.doc-md-h,
.document-body.is-rich-text h6.doc-md-h,
.document-body.is-md-preview h4.doc-md-h,
.document-body.is-md-preview h5.doc-md-h,
.document-body.is-md-preview h6.doc-md-h { font-size: 1em; }

.document-body.is-rich-text .doc-md-ul,
.document-body.is-rich-text .doc-md-ol,
.document-body.is-md-preview .doc-md-ul,
.document-body.is-md-preview .doc-md-ol {
    margin: 0.35em 0 0.85em;
    padding-left: 1.4em;
}

.document-body.is-rich-text .doc-md-ul li,
.document-body.is-rich-text .doc-md-ol li,
.document-body.is-md-preview .doc-md-ul li,
.document-body.is-md-preview .doc-md-ol li {
    margin: 0.2em 0;
}

.document-body.is-rich-text .doc-md-ul .doc-md-ul,
.document-body.is-md-preview .doc-md-ul .doc-md-ul {
    margin: 0.2em 0 0.35em;
    padding-left: 1.25em;
}

.document-body.is-rich-text h3.doc-md-h,
.document-body.is-rich-text .doc-md-h--from-bold,
.document-body.is-md-preview h3.doc-md-h,
.document-body.is-md-preview .doc-md-h--from-bold {
    font-size: 1em;
    margin-top: 0.75em;
    margin-bottom: 0.25em;
    color: var(--doc-text-secondary);
}

.document-body.is-rich-text h2.doc-md-h,
.document-body.is-md-preview h2.doc-md-h {
    margin-top: 1.5em;
}

.document-body.is-rich-text h2.doc-md-h:first-child,
.document-body.is-md-preview h2.doc-md-h:first-child {
    margin-top: 0;
}

.document-body.is-rich-text .doc-md-hr,
.document-body.is-md-preview .doc-md-hr {
    display: none;
}

.document-body.is-rich-text .doc-md-quote,
.document-body.is-md-preview .doc-md-quote {
    margin: 0.85em 0;
    padding: 0.35em 0 0.35em 1em;
    border-left: 3px solid var(--doc-border);
    color: var(--doc-text-secondary);
}

.document-body.is-rich-text .doc-md-pre,
.document-body.is-md-preview .doc-md-pre {
    margin: 0.85em 0;
    padding: 12px 14px;
    border-radius: 8px;
    background: #f5f5f7;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.5;
}

.document-body.is-rich-text .doc-md-code,
.document-body.is-md-preview .doc-md-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    white-space: pre-wrap;
    word-break: break-word;
}

.document-body.is-rich-text .doc-md-code-inline,
.document-body.is-md-preview .doc-md-code-inline {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.92em;
    padding: 0.1em 0.35em;
    border-radius: 4px;
    background: #f0f0f2;
}

.document-body.is-rich-text strong,
.document-body.is-md-preview strong {
    font-weight: 600;
}

.document-body:empty::before {
    content: attr(data-placeholder);
    color: #c7c7cc;
    pointer-events: none;
}

.document-empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    color: var(--doc-text-secondary);
}

.document-empty-state h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--doc-text);
    margin: 0 0 8px;
}

.document-empty-state p {
    margin: 0 0 20px;
    font-size: 15px;
    max-width: 360px;
}

.document-sidebar-toggle {
    display: none;
    padding: 6px 10px;
    border: 1px solid var(--doc-border);
    border-radius: 8px;
    background: #fff;
    font-size: 13px;
    cursor: pointer;
}

.document-nav-slot {
    flex-shrink: 0;
}

/* Mobile */
@media (max-width: 768px) {
    .document-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
    }

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

    .document-sidebar-toggle {
        display: inline-flex;
    }

    .document-editor-wrap {
        padding: 20px 16px 72px;
    }

    .document-body {
        padding-bottom: min(35vh, 240px);
    }

    .document-body > h1.document-doc-title {
        font-size: 2em;
    }
}

/* Selection bar — format + AI on text highlight */
.document-selection-bar,
.document-ai-ask {
    position: fixed;
    z-index: 1200;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 6px;
    background: #1d1d1f;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
}

.document-selection-bar[hidden],
.document-ai-ask[hidden],
.document-ai-panel[hidden] {
    display: none !important;
}

.document-fmt-group,
.document-ai-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.document-bar-divider {
    width: 1px;
    height: 22px;
    background: rgba(255, 255, 255, 0.2);
    margin: 0 4px;
    flex-shrink: 0;
}

.document-selection-bar .document-fmt-btn {
    min-width: 28px;
    height: 28px;
    padding: 0 7px;
    color: #d1d1d6;
    font-size: 12px;
}

.document-selection-bar .document-fmt-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.document-selection-bar .document-fmt-btn:active {
    background: rgba(255, 255, 255, 0.18);
}

.document-ai-btn {
    padding: 6px 11px;
    border: none;
    border-radius: 7px;
    background: transparent;
    color: #f5f5f7;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
}

.document-ai-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.document-ai-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.document-ai-btn--accent {
    background: var(--doc-accent);
    color: #fff;
}

.document-ai-btn--accent:hover {
    background: var(--doc-accent-hover);
}

.document-ai-ask {
    min-width: 260px;
    max-width: min(360px, calc(100vw - 16px));
    padding: 6px;
}

.document-ai-ask-input {
    flex: 1;
    min-width: 0;
    padding: 7px 10px;
    border: none;
    border-radius: 7px;
    font-size: 13px;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.95);
    color: var(--doc-text);
}

.document-ai-ask-input:focus {
    outline: none;
}

.document-ai-panel {
    position: fixed;
    right: 16px;
    bottom: 16px;
    width: min(400px, calc(100vw - 32px));
    max-height: min(50vh, 420px);
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--doc-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.14);
    z-index: 1190;
    overflow: hidden;
}

.document-ai-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--doc-border);
    flex-shrink: 0;
}

.document-ai-panel-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--doc-text);
}

.document-ai-panel-close {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 6px;
    background: transparent;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    color: var(--doc-text-secondary);
}

.document-ai-panel-close:hover {
    background: #f0f0f2;
}

.document-ai-panel--chat {
    max-height: min(70vh, 520px);
}

.document-ai-panel-header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.document-ai-panel-clear {
    border: none;
    border-radius: 6px;
    background: transparent;
    font-size: 12px;
    padding: 4px 8px;
    cursor: pointer;
    color: var(--doc-text-secondary);
}

.document-ai-panel-clear:hover {
    background: #f0f0f2;
    color: var(--doc-text);
}

.document-ai-panel-context {
    flex-shrink: 0;
    padding: 8px 12px;
    font-size: 12px;
    line-height: 1.45;
    color: var(--doc-text-secondary);
    background: #f8f8fa;
    border-bottom: 1px solid var(--doc-border);
    white-space: normal;
}

.document-ai-panel-chat {
    flex: 1;
    overflow-y: auto;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 120px;
}

.document-ai-chat-empty {
    font-size: 13px;
    line-height: 1.5;
    color: var(--doc-text-secondary);
    padding: 8px 4px;
}

.document-ai-chat-msg {
    display: flex;
}

.document-ai-chat-msg--user {
    justify-content: flex-end;
}

.document-ai-chat-msg--assistant,
.document-ai-chat-msg--error {
    justify-content: flex-start;
}

.document-ai-chat-bubble {
    max-width: 92%;
    padding: 8px 11px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.5;
    word-break: break-word;
}

.document-ai-chat-msg--user .document-ai-chat-bubble {
    background: var(--doc-accent);
    color: #fff;
    border-bottom-right-radius: 4px;
    white-space: pre-wrap;
}

.document-ai-chat-msg--assistant .document-ai-chat-bubble {
    background: #f0f0f2;
    color: var(--doc-text);
    border-bottom-left-radius: 4px;
}

.document-ai-chat-msg--assistant .document-ai-chat-bubble.is-md-preview {
    white-space: normal;
}

.document-ai-chat-msg--assistant .document-ai-chat-bubble.is-md-preview .doc-md-p {
    margin: 0 0 0.5em;
}

.document-ai-chat-msg--assistant .document-ai-chat-bubble.is-md-preview .doc-md-ul,
.document-ai-chat-msg--assistant .document-ai-chat-bubble.is-md-preview .doc-md-ol {
    margin: 0.2em 0 0.5em;
    padding-left: 1.2em;
}

.document-ai-chat-msg--loading .document-ai-chat-bubble {
    color: var(--doc-text-secondary);
    font-style: italic;
}

.document-ai-chat-msg--error .document-ai-chat-bubble {
    background: #fdecea;
    color: #c62828;
}

.document-ai-apply-strip {
    flex-shrink: 0;
    padding: 10px 12px;
    border-top: 1px solid var(--doc-border);
    background: #f6f8fc;
}

.document-ai-apply-head {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 8px;
}

.document-ai-apply-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--doc-text);
}

.document-ai-apply-hint {
    font-size: 11px;
    color: var(--doc-text-secondary);
}

.document-ai-apply-warn {
    margin: 0 0 8px;
    font-size: 12px;
    color: #b45309;
}

.document-ai-apply-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 8px;
    max-height: 140px;
}

.document-ai-apply-col {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.document-ai-apply-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--doc-text-secondary);
}

.document-ai-apply-box {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    font-size: 12px;
    line-height: 1.45;
    border: 1px solid var(--doc-border);
    border-radius: 8px;
    background: #fff;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 110px;
}

.document-ai-apply-box.is-md-preview {
    white-space: normal;
}

.document-ai-apply-box.is-md-preview .doc-md-p {
    margin: 0 0 0.4em;
}

.document-ai-apply-actions {
    display: flex;
    gap: 6px;
}

.document-ai-apply-actions .document-ai-btn--accent:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.document-ai-panel-followup {
    display: flex;
    gap: 6px;
    padding: 8px 10px;
    border-top: 1px solid var(--doc-border);
    flex-shrink: 0;
    align-items: flex-end;
}

.document-ai-panel-followup-input {
    flex: 1;
    min-width: 0;
    min-height: 38px;
    max-height: 140px;
    padding: 8px 10px;
    border: 1px solid var(--doc-border);
    border-radius: 8px;
    font-size: 13px;
    font-family: inherit;
    background: #fff;
    color: var(--doc-text);
    line-height: 1.4;
    resize: vertical;
}

.document-ai-panel-followup-input:focus {
    outline: none;
    border-color: var(--doc-accent);
}

.document-ai-panel-send {
    flex-shrink: 0;
}

.document-ai-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px;
    font-size: 14px;
    line-height: 1.55;
    color: var(--doc-text);
    white-space: pre-wrap;
    word-break: break-word;
}

.document-ai-panel-body.is-md-preview {
    white-space: normal;
}

.document-ai-panel-body.is-md-preview .doc-md-p {
    margin: 0 0 0.65em;
}

.document-ai-panel-body.is-md-preview .doc-md-ul,
.document-ai-panel-body.is-md-preview .doc-md-ol {
    margin: 0.25em 0 0.65em;
    padding-left: 1.25em;
}

.document-ai-panel-body.is-loading {
    color: var(--doc-text-secondary);
    font-style: italic;
}

.document-ai-panel-body.is-error {
    color: #c62828;
}

.document-ai-panel-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 10px 12px;
    border-top: 1px solid var(--doc-border);
    flex-shrink: 0;
}

.document-ai-panel-actions .document-ai-btn {
    background: #f0f0f2;
    color: var(--doc-text);
}

.document-ai-panel-actions .document-ai-btn:hover {
    background: #e4e4e8;
}

.document-ai-panel-actions .document-ai-btn--accent {
    background: var(--doc-accent);
    color: #fff;
}

@media (max-width: 768px) {
    .document-ai-panel {
        left: 16px;
        right: 16px;
        width: auto;
    }
}