/* Brain Settings Modal Styles */

/* Brain Selector Dropdown */
.brain-selector {
    position: relative;
}

.brain-selector__current {
    display: flex;
    align-items: center;
    gap: var(--space-2, 0.5rem);
    padding: var(--space-2, 0.5rem) var(--space-3, 0.75rem);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    transition: all 0.15s ease;
    min-width: 180px;
}

.brain-selector__current:hover {
    background: var(--bg-panel);
    border-color: var(--text-muted);
}

.brain-selector__name {
    font-weight: 500;
    font-size: 0.875rem;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.brain-selector__caret {
    flex-shrink: 0;
    opacity: 0.5;
    transition: transform 0.15s ease;
}

.brain-selector__dropdown--open + .brain-selector__current .brain-selector__caret,
.brain-selector:has(.brain-selector__dropdown--open) .brain-selector__caret {
    transform: rotate(180deg);
}

.brain-selector__indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.brain-selector__indicator--owned {
    background: var(--color-primary, #4a90d9);
}

.brain-selector__indicator--shared {
    background: transparent;
    border: 2px solid var(--color-primary, #4a90d9);
    width: 8px;
    height: 8px;
    box-sizing: border-box;
}

.brain-selector__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    min-width: 240px;
    background: var(--bg-panel);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md, 8px);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    margin-top: 4px;
    display: none;
    max-height: 400px;
    overflow-y: auto;
}

.brain-selector__dropdown--open {
    display: block;
}

.brain-selector__section {
    padding: var(--space-2, 0.5rem) 0;
}

.brain-selector__section:not(:last-child) {
    border-bottom: 1px solid var(--border-muted);
}

.brain-selector__section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: var(--space-1, 0.25rem) var(--space-3, 0.75rem);
    margin-bottom: var(--space-1, 0.25rem);
}

.brain-selector__option {
    display: flex;
    align-items: center;
    gap: var(--space-2, 0.5rem);
    padding: var(--space-2, 0.5rem) var(--space-3, 0.75rem);
    cursor: pointer;
    transition: background 0.1s ease;
}

.brain-selector__option:hover {
    background: var(--bg-elevated);
}

.brain-selector__option--active {
    background: var(--bg-elevated);
    border-left: 2px solid var(--accent-primary);
}

.brain-selector__option--new {
    color: var(--color-primary, #4a90d9);
    font-weight: 500;
}

.brain-selector__option--new svg {
    opacity: 0.7;
}

.brain-selector__option-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.brain-selector__option-name {
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-primary);
}

.brain-selector__option-owner {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Sharing section */
.sharing-section__title {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 var(--space-2, 0.5rem) 0;
    color: var(--text-primary);
}

.sharing-section__desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin: 0 0 var(--space-4, 1rem) 0;
}

.sharing-section__divider {
    height: 1px;
    background: var(--border-default);
    margin: var(--space-4, 1rem) 0;
}

/* Collaborators list */
.collaborators-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2, 0.5rem);
    min-height: 60px;
}

.collaborators-list__loading,
.collaborators-list__empty {
    color: var(--text-muted);
    font-size: 0.8125rem;
    font-style: italic;
    padding: var(--space-3, 0.75rem);
    text-align: center;
}

.collaborator-item {
    display: flex;
    align-items: center;
    gap: var(--space-3, 0.75rem);
    padding: var(--space-3, 0.75rem);
    background: var(--bg-elevated);
    border-radius: var(--radius-md, 8px);
    border: 1px solid var(--border-default);
}

.collaborator-item--owner {
    background: var(--bg-panel);
    border-style: dashed;
}

.collaborator-item--pending {
    background: var(--bg-panel);
    border-style: dashed;
    opacity: 0.8;
}

.collaborator-item__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary, #4a90d9);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.collaborator-item--owner .collaborator-item__avatar {
    background: var(--color-warning, #f0ad4e);
}

.collaborator-item__avatar--pending {
    background: var(--text-muted, #888) !important;
}

.collaborator-item__info {
    flex: 1;
    min-width: 0;
}

.collaborator-item__name {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.collaborator-item__email {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.collaborator-item__actions {
    display: flex;
    align-items: center;
    gap: var(--space-2, 0.5rem);
    flex-shrink: 0;
}

.collaborator-item__permission {
    padding: 4px 8px;
    font-size: 0.75rem;
    border-radius: var(--radius-sm, 4px);
    border: 1px solid var(--border-default);
    background: var(--bg-panel);
    color: var(--text-primary);
    cursor: pointer;
}

.collaborator-item__remove {
    padding: 4px 8px;
    font-size: 0.75rem;
    color: var(--color-danger, #dc3545);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm, 4px);
    cursor: pointer;
    transition: all 0.15s ease;
}

.collaborator-item__remove:hover {
    background: rgba(220, 53, 69, 0.1);
    border-color: var(--color-danger, #dc3545);
}

.collaborator-item__resend {
    padding: 4px 8px;
    font-size: 0.875rem;
    color: var(--color-primary, #4a90d9);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm, 4px);
    cursor: pointer;
    transition: all 0.15s ease;
    font-weight: bold;
}

.collaborator-item__resend:hover {
    background: rgba(74, 144, 217, 0.1);
    border-color: var(--color-primary, #4a90d9);
}

.collaborator-item__resend:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Permission badges */
.permission-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-radius: 10px;
}

.permission-badge--owner {
    background: var(--color-warning, #f0ad4e);
    color: white;
}

.permission-badge--admin {
    background: var(--color-primary, #4a90d9);
    color: white;
}

.permission-badge--write {
    background: var(--color-success, #5cb85c);
    color: white;
}

.permission-badge--read {
    background: var(--text-muted, #888);
    color: white;
}

/* Add collaborator form */
.add-collaborator__row {
    display: flex;
    gap: var(--space-2, 0.5rem);
    align-items: center;
}

.add-collaborator__row .input {
    flex: 1;
}

.add-collaborator__row .input--select {
    flex: 0 0 auto;
    width: auto;
    min-width: 100px;
}

.add-collaborator__error {
    color: var(--accent-danger);
    font-size: 0.8125rem;
    margin-top: var(--space-2, 0.5rem);
    min-height: 1.25em;
}

/* Permission legend */
.permission-legend {
    margin-top: var(--space-4, 1rem);
    padding: var(--space-3, 0.75rem);
    background: var(--bg-elevated);
    border-radius: var(--radius-md, 8px);
    font-size: 0.75rem;
}

.permission-legend__item {
    display: flex;
    align-items: center;
    gap: var(--space-2, 0.5rem);
    padding: var(--space-1, 0.25rem) 0;
    color: var(--text-muted);
}

.permission-legend__item .permission-badge {
    min-width: 50px;
    text-align: center;
}

/* Form fieldsets for grouping */
.form-fieldset {
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md, 8px);
    padding: var(--space-5, 1.25rem);
    margin-bottom: var(--space-5, 1.25rem);
}

.form-fieldset legend {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 0 var(--space-2, 0.5rem);
    margin-left: calc(-1 * var(--space-2, 0.5rem));
    margin-bottom: var(--space-2, 0.5rem);
}

.form-fieldset .form-group {
    margin-bottom: var(--space-4, 1rem);
}

.form-fieldset .form-group:last-child {
    margin-bottom: 0;
}

/* Autocomplete wrapper */
.autocomplete-wrapper {
    position: relative;
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-panel);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md, 8px);
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    margin-top: 4px;
}

.autocomplete-dropdown--open {
    display: block;
}

.autocomplete-item {
    padding: var(--space-2, 0.5rem) var(--space-3, 0.75rem);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-bottom: 1px solid var(--border-muted);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item--selected {
    background: var(--bg-elevated);
}

.autocomplete-item--selected {
    background: var(--bg-elevated);
    border-left: 2px solid var(--accent-primary);
}

.autocomplete-item--empty {
    color: var(--text-muted);
    font-style: italic;
    cursor: default;
}

.autocomplete-item--empty:hover {
    background: transparent;
}

.autocomplete-item__id {
    font-family: var(--font-mono, monospace);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.autocomplete-item__meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Preferences tab styling */
.tabs__panel[data-panel="preferences"] .form-fieldset {
    margin-bottom: var(--space-5, 1.25rem);
    padding: var(--space-5, 1.25rem);
}

.tabs__panel[data-panel="preferences"] .form-group {
    margin-bottom: var(--space-4, 1rem);
}

.tabs__panel[data-panel="preferences"] .form-group:last-child {
    margin-bottom: 0;
}

.tabs__panel[data-panel="preferences"] .form-hint {
    color: var(--text-muted);
    font-size: var(--text-xs);
    margin-top: var(--space-2, 0.5rem);
}

.tabs__panel[data-panel="preferences"] .form-hint strong {
    color: var(--text-secondary);
}

/* Danger zone styling */
.danger-zone {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 0.75rem);
}

.danger-zone__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3, 0.75rem);
    background: var(--bg-elevated);
    border-radius: var(--radius-md, 8px);
    border: 1px solid var(--border-default);
}

.danger-zone__item--delete {
    border-color: var(--accent-danger);
    background: rgba(220, 53, 69, 0.05);
}

[data-theme="dark"] .danger-zone__item--delete {
    background: rgba(249, 38, 114, 0.05);
}

.danger-zone__info h4 {
    margin: 0 0 4px 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.danger-zone__info p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.danger-zone__import-panel {
    padding: var(--space-4, 1rem);
    background: var(--bg-elevated);
    border-radius: var(--radius-md, 8px);
    border: 1px solid var(--border-default);
}

.danger-zone__import-panel .form-group {
    margin-bottom: var(--space-3, 0.75rem);
}

.danger-zone__import-panel .form-group:last-child {
    margin-bottom: 0;
    display: flex;
    gap: var(--space-2, 0.5rem);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-2, 0.5rem);
    cursor: pointer;
    font-size: 0.875rem;
    padding: var(--space-1, 0.25rem) 0;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

/* Checkbox form groups need less bottom margin */
.form-group:has(.checkbox-label) {
    margin-bottom: var(--space-2, 0.5rem);
}

.form-group:has(.checkbox-label) + .form-group {
    margin-top: var(--space-2, 0.5rem);
}