#shared-header {
    border-bottom: 1px solid var(--border-subtle);
}

.control-icon {
    display: inline-block;
    width: var(--control-icon-size, 1em);
    height: var(--control-icon-size, 1em);
    flex: 0 0 auto;
    background-color: currentColor;
    -webkit-mask: var(--control-icon) center / contain no-repeat;
    mask: var(--control-icon) center / contain no-repeat;
}

.control-icon-clip-file { --control-icon: url('../assets/icons/clip-file.svg'); }
.control-icon-picture { --control-icon: url('../assets/icons/picture.svg'); }
.control-icon-file-download { --control-icon: url('../assets/icons/file-download.svg'); }
.control-icon-share { --control-icon: url('../assets/icons/share-square.svg'); }
.control-icon-close { --control-icon: url('../assets/icons/cross-small.svg'); }
.control-icon-filter { --control-icon: url('../assets/icons/filter.svg'); }
.control-icon-refresh { --control-icon: url('../assets/icons/refresh.svg'); }
.control-icon-search { --control-icon: url('../assets/icons/search.svg'); }
.control-icon-add { --control-icon: url('../assets/icons/add.svg'); }
.control-icon-remove { --control-icon: url('../assets/icons/minus-circle.svg'); }
.control-icon-previous { --control-icon: url('../assets/icons/angle-left.svg'); }
.control-icon-next { --control-icon: url('../assets/icons/angle-right.svg'); }

.header {
    min-height: 72px;
    background: color-mix(in srgb, var(--background) 91%, transparent);
    border-bottom: 0;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.025);
}

.logo-icon {
    height: 2.75rem;
    filter: none;
}

@media (min-width: 1025px) {
    .logo-icon {
        width: auto;
        height: 3.5rem;
    }
}

.nav-btn {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    text-decoration: none;
}

.nav-btn.active {
    background: var(--primary-light);
    color: var(--primary);
}

.extension-upsell {
    border-radius: var(--radius-md);
    background: transparent;
}

.extension-upsell .extension-upsell-icon {
    color: currentColor;
}

.extension-upsell:hover,
.extension-upsell:focus-visible {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-hover);
    box-shadow: none;
}

.extension-upsell:hover .extension-upsell-icon,
.extension-upsell:focus-visible .extension-upsell-icon {
    color: currentColor;
}

.extension-upsell:hover .extension-upsell-badge,
.extension-upsell:focus-visible .extension-upsell-badge {
    background: var(--surface);
    color: var(--primary-hover);
}

.menu-control-item {
    width: 100%;
    min-height: 38px;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
    border: 0;
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: var(--control-font-size);
    font-weight: var(--control-font-weight);
    line-height: var(--control-line-height);
    text-align: left;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.menu-control-item:hover,
.menu-control-item:focus-visible {
    background: var(--primary-light);
    color: var(--text-primary);
}

.menu-control-item > svg:first-child {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: currentColor;
}

.menu-surface {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 210;
    padding: var(--spacing-xs);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-elevated);
    box-shadow: var(--shadow-md);
}

.form-control {
    width: 100%;
    min-height: 40px;
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--background);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--control-font-size);
    line-height: var(--control-line-height);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}

textarea.form-control {
    resize: vertical;
}

.command-button {
    min-height: var(--command-button-height);
    padding: 0 var(--command-button-padding-inline);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--command-button-gap);
    border: 1px solid transparent;
    border-radius: var(--command-button-radius);
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: var(--command-button-font-size);
    font-weight: var(--control-font-weight);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
}

.command-button--primary {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--command-button-primary-foreground);
}

.command-button--primary:hover,
.command-button--primary:focus-visible {
    border-color: var(--primary-hover);
    background: var(--primary-hover);
    color: var(--command-button-primary-foreground);
}

.command-button--secondary {
    border-color: var(--border);
    background: var(--surface-elevated);
    color: var(--text-secondary);
}

.command-button--secondary:hover,
.command-button--secondary:focus-visible {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--text-primary);
}

.command-button--danger {
    border-color: var(--error-fill);
    background: var(--error-fill);
    color: var(--error-fill-foreground);
}

.command-button--danger:hover,
.command-button--danger:focus-visible {
    border-color: var(--error-fill-hover);
    background: var(--error-fill-hover);
    color: var(--error-fill-foreground);
}

.command-button--compact {
    min-height: var(--command-button-height-compact);
    padding-inline: var(--command-button-padding-inline-compact);
    font-size: var(--command-button-font-size-compact);
}

.command-button--icon-only {
    width: var(--command-button-height);
    padding: 0;
}

.command-button--compact.command-button--icon-only {
    width: var(--command-button-height-compact);
}

.command-button > .control-icon {
    --control-icon-size: 1rem;
}

.command-button--compact > .control-icon {
    --control-icon-size: 0.875rem;
}

.command-button:disabled,
.command-button[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
}

.segmented-control {
    display: grid;
    border: 0;
}

.segmented-control > .segmented-control-item {
    min-height: 2.25rem;
    padding: 0 var(--spacing-sm);
    border: 1px solid var(--border);
    border-right: 0;
    background: var(--background);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: var(--control-font-size);
    font-weight: var(--control-font-weight);
    cursor: pointer;
}

.segmented-control > .segmented-control-item:first-of-type {
    border-radius: var(--command-button-radius) 0 0 var(--command-button-radius);
}

.segmented-control > .segmented-control-item:last-of-type {
    border-right: 1px solid var(--border);
    border-radius: 0 var(--command-button-radius) var(--command-button-radius) 0;
}

.segmented-control > .segmented-control-item.active {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--command-button-primary-foreground);
}

.control-tile {
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--command-button-radius);
    background: var(--background);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--control-font-size);
    cursor: pointer;
}

.control-tile.active {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--command-button-primary-foreground);
}

.theme-control {
    position: relative;
}

.theme-menu-button {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
}

.theme-menu-button:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

.theme-menu {
    width: 170px;
}

.theme-menu-item {
    display: grid;
    grid-template-columns: 18px 1fr 16px;
    align-items: center;
}

.theme-menu-item.selected {
    background: var(--primary-light);
    color: var(--text-primary);
}

.theme-menu-item-icon {
    width: 18px;
    height: 18px;
}

.theme-menu-check {
    width: 16px;
    height: 16px;
    color: var(--primary);
    opacity: 0;
}

.theme-menu-item.selected .theme-menu-check {
    opacity: 1;
}

.control-panel,
.image-display,
.gallery-item,
.filter-panel,
.analysis-panel,
.family-card,
.admin-section,
.notification-summary {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.generated-image {
    cursor: zoom-in;
}

button.source-image-thumb {
    padding: 0;
    border: 0;
    font: inherit;
    cursor: pointer;
}

.conversation-message-image {
    display: block;
    max-width: 100px;
    margin-bottom: 4px;
    border-radius: var(--radius-sm);
}

.draft-grid {
    width: min(100%, var(--runtime-draft-max-width, 75vh));
    height: auto;
    aspect-ratio: var(--runtime-draft-aspect, 1 / 1);
}

.gallery-grid {
    height: var(--runtime-grid-height, auto);
}

.gallery-item {
    width: var(--runtime-item-width, auto);
    transform: translate(var(--runtime-item-x, 0), var(--runtime-item-y, 0));
}

.toast-exiting {
    animation: slideIn 0.3s ease reverse;
}

body.modal-open {
    overflow: hidden;
}

.character-crop-selection {
    left: var(--runtime-crop-x, 20%);
    top: var(--runtime-crop-y, 20%);
    width: var(--runtime-crop-width, 60%);
    height: var(--runtime-crop-height, 60%);
}

.mention-caret-mirror {
    position: absolute;
    top: 0;
    left: -9999px;
    width: var(--runtime-mirror-width);
    visibility: hidden;
    border-style: solid;
    overflow-wrap: break-word;
    white-space: pre-wrap;
}

.mention-menu {
    top: var(--runtime-mention-top, 100%);
    left: var(--runtime-mention-left, 0);
}

@media (max-width: 768px) {
    .header {
        min-height: 0;
        gap: var(--spacing-sm);
        padding: 0.75rem var(--spacing-md);
    }

    .theme-control {
        order: 0;
    }

    .logo-icon {
        height: 2.25rem;
    }

    .nav {
        padding: 0;
    }

    .nav-btn {
        min-height: 34px;
        padding: var(--spacing-xs) 0.75rem;
    }
}