.overtype-container { position: relative !important; overflow-anchor: none; }

.overtype-expand-btn,
.overtype-help-btn {
    position: absolute;
    z-index: 10;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: none;
    background: color-mix(in srgb, var(--default-color) 6%, transparent);
    color: var(--default-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    opacity: .35;
    transition: opacity .15s;
}
.overtype-expand-btn:hover,
.overtype-help-btn:hover { opacity: 1; }
.overtype-help-btn.active { opacity: 1; background: color-mix(in srgb, var(--accent-color) 15%, transparent); color: var(--accent-color); }

.overtype-expand-btn { inset-block-start: 6px; }
.overtype-help-btn { inset-block-start: 38px; }

.overtype-help-panel {
    display: none;
    overflow-y: auto;
    background: color-mix(in srgb, var(--default-color) 3%, transparent);
    border-top: 1px solid color-mix(in srgb, var(--default-color) 8%, transparent);
    padding: 1rem 1.25rem;
    font-size: .8125rem;
    line-height: 1.6;
    color: var(--default-color);
}
.overtype-help-panel.visible { display: block; }

.overtype-help-panel .help-title {
    font-size: .9rem;
    font-weight: 700;
    margin-bottom: .75rem;
    color: var(--heading-color);
}
.overtype-help-panel .help-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .35rem .75rem;
}
.overtype-help-panel .help-row {
    display: flex;
    align-items: baseline;
    gap: .5rem;
}
.overtype-help-panel .help-example {
    font-family: var(--font-monospace, 'SF Mono', Consolas, monospace);
    font-size: .8rem;
    background: color-mix(in srgb, var(--default-color) 8%, transparent);
    padding: .1rem .45rem;
    border-radius: 4px;
    white-space: nowrap;
    color: var(--accent-color);
    direction: ltr;
    text-align: left;
    flex-shrink: 0;
    cursor: pointer;
    transition: background .15s;
}
.overtype-help-panel .help-example:hover {
    background: color-mix(in srgb, var(--accent-color) 15%, transparent);
}
.overtype-help-panel .help-desc {
    font-size: .8rem;
    color: var(--default-color);
    opacity: .7;
}

.overtype-fullscreen-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--background-color);
    display: flex;
    flex-direction: column;
    padding: 2rem;
    overflow: hidden;
}
.overtype-fullscreen-overlay .overtype-container {
    flex: 1;
    max-height: none !important;
}
.overtype-fullscreen-overlay .overtype-wrapper {
    height: 100% !important;
    max-height: none !important;
}
.overtype-fullscreen-overlay .overtype-wrapper .overtype-input,
.overtype-fullscreen-overlay .overtype-wrapper .overtype-preview {
    height: 100% !important;
    max-height: none !important;
    overflow-y: auto !important;
}
.overtype-wrapper .overtype-preview {
    background: cornsilk !important;
}
.overtype-fullscreen-overlay.has-help { gap: 1rem; flex-direction: row; }
.overtype-fullscreen-overlay.has-help .overtype-container { flex: 3 1 60%; }
.overtype-fullscreen-overlay.has-help .overtype-help-panel {
    display: block;
    flex: 2 1 40%;
    min-height: 0;
    border-top: none;
    border: 1px solid color-mix(in srgb, var(--default-color) 8%, transparent);
    border-radius: 8px;
    overflow-y: auto;
}
.overtype-fullscreen-overlay.has-help .overtype-help-panel .help-grid {
    grid-template-columns: 1fr;
}

/* === Mention autocomplete dropdown === */
.mention-dropdown {
    background: var(--bs-body-bg, #fff);
    border: 1px solid color-mix(in srgb, var(--default-color) 15%, transparent);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
    max-height: 240px;
    overflow-y: auto;
    z-index: 99999;
    padding: .35rem;
}
.mention-item {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .4rem .6rem;
    cursor: pointer;
    border-radius: 6px;
    transition: background .1s;
}
.mention-item:hover,
.mention-item.active { background: color-mix(in srgb, var(--accent-color) 12%, transparent); }
.mention-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.mention-initial {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
    font-weight: 700;
    background: var(--accent-color);
    color: #fff;
    flex-shrink: 0;
}
.mention-name {
    font-size: .8125rem;
    font-weight: 600;
    color: var(--heading-color, inherit);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.mention-username {
    font-size: .75rem;
    color: var(--default-color);
    opacity: .55;
    margin-inline-start: auto;
    flex-shrink: 0;
}

/* === Rendered mention in parsed output === */
.markdown-body .mention,
.mention {
    display: inline-block;
    padding: .05em .55em .1em;
    font-size: .8125rem;
    font-weight: 600;
    border-radius: 5px;
    background: color-mix(in srgb, var(--accent-color) 14%, transparent);
    color: var(--accent-color) !important;
    text-decoration: none;
    white-space: nowrap;
}
.markdown-body a.mention:hover,
a.mention:hover {
    background: color-mix(in srgb, var(--accent-color) 22%, transparent);
    text-decoration: none;
}