/* ===== EXPRESSION BUILDER STYLES ===== */
/* Uses existing CSS variables from dashboard.css for portal theme consistency */

/* ========================================= */
/* ===== EXPRESSION LIST PAGE STYLES ===== */
/* ========================================= */

.expr-list-page {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--dashboard-bg);
    color: var(--text-primary);
}

/* ===== LIST HEADER ===== */
.expr-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--panel-bg);
    border-bottom: 1px solid var(--panel-border);
    flex-shrink: 0;
}

.expr-list-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.expr-list-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-blue);
    color: white;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
}

.expr-list-title-group {
    display: flex;
    flex-direction: column;
}

.expr-list-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.expr-list-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.expr-list-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.expr-create-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-weight: 500;
    text-decoration: none;
}

.expr-create-icon {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ===== FILTERS BAR ===== */
.expr-list-filters {
    display: flex;
    gap: 16px;
    padding: 16px 24px;
    background: var(--panel-bg);
    border-bottom: 1px solid var(--panel-border);
    flex-wrap: wrap;
}

.expr-filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 160px;
}

.expr-filter-group.expr-filter-search {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

.expr-filter-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
}

.expr-filter-select,
.expr-list-filters .form-control {
    height: 34px;
    padding: 6px 10px;
    font-size: 13px;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    color: var(--text-primary);
}

.expr-filter-select:focus,
.expr-list-filters .form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
    outline: none;
}

/* ===== LIST CONTENT ===== */
.expr-list-content {
    flex: 1;
    overflow: auto;
    padding: 24px;
}

/* ===== EMPTY STATE ===== */
.expr-list-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    text-align: center;
}

.expr-empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.6;
}

.expr-list-empty h3 {
    margin: 0 0 8px 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.expr-list-empty p {
    margin: 0 0 24px 0;
    color: var(--text-secondary);
}

/* ===== LIST TABLE ===== */
.expr-list-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.expr-list-table th,
.expr-list-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--panel-border);
}

.expr-list-table th {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.02);
}

.expr-list-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.04);
}

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

/* Column widths */
.expr-list-table .col-name { width: 30%; }
.expr-list-table .col-type { width: 15%; }
.expr-list-table .col-target { width: 15%; }
.expr-list-table .col-status { width: 10%; }
.expr-list-table .col-modified { width: 15%; }
.expr-list-table .col-actions { width: 15%; text-align: right; }

.expr-name {
    font-weight: 500;
    color: var(--text-primary);
}

/* Type badges */
.expr-type-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 999px;
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-secondary);
}

.expr-type-badge--visualstyle {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.expr-type-badge--datafilter {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.expr-type-badge--validationrule {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.expr-type-badge--computedfield {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

/* Status badges */
.expr-status-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 999px;
}

.expr-status--active {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.expr-status--inactive {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-secondary);
}

/* Action buttons */
.expr-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.expr-action-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--panel-border);
    color: var(--accent-blue);
}

.expr-action-btn--danger {
    color: var(--text-secondary);
}

.expr-action-btn--danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* ===== CATEGORY SECTIONS ===== */
.expr-category-section {
    margin-bottom: 24px;
}

.expr-category-section:last-child {
    margin-bottom: 0;
}

.expr-category-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.expr-category-icon {
    font-size: 18px;
}

.expr-category-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.expr-category-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    font-size: 12px;
    font-weight: 500;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    border-radius: 12px;
}

.expr-category-section .expr-list-table {
    border-radius: 0;
}

/* ===== TARGET OBJECT SECTIONS (nested within category) ===== */
.expr-target-section {
    margin-bottom: 0;
    border-left: 1px solid var(--panel-border);
    border-right: 1px solid var(--panel-border);
}

.expr-target-section:last-child {
    border-bottom: 1px solid var(--panel-border);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.expr-target-section:last-child .expr-list-table {
    border-bottom: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.expr-target-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(59, 130, 246, 0.03);
    border-bottom: 1px solid var(--panel-border);
}

.expr-target-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.expr-target-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 11px;
    font-weight: 500;
    background: var(--panel-border);
    color: var(--text-secondary);
    border-radius: 10px;
}

.expr-target-section .expr-list-table {
    border: none;
    border-radius: 0;
}

.expr-target-section .expr-list-table thead th {
    background: var(--panel-bg);
}

/* ===== PRIORITY CONTROLS ===== */
.expr-list-table .col-priority {
    width: 90px;
    text-align: center;
}

.expr-priority-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.expr-priority-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    font-size: 10px;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.expr-priority-btn:hover:not(:disabled) {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.expr-priority-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.expr-priority-value {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

/* ===== LIST RESPONSIVE ===== */
@media (max-width: 992px) {
    .expr-list-filters {
        flex-direction: column;
    }
    
    .expr-filter-group,
    .expr-filter-group.expr-filter-search {
        max-width: none;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .expr-list-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .expr-list-table {
        font-size: 12px;
    }
    
    .expr-list-table th,
    .expr-list-table td {
        padding: 10px 12px;
    }
    
    .expr-list-table .col-modified {
        display: none;
    }
}

/* ========================================= */
/* ===== EXPRESSION BUILDER PAGE STYLES === */
/* ========================================= */

/* ===== PAGE CONTAINER ===== */
.expr-builder-page {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--dashboard-bg);
    color: var(--text-primary);
    overflow: hidden;
}

/* ===== HEADER ===== */
.expr-builder-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--panel-bg);
    border-bottom: 1px solid var(--panel-border);
    flex-shrink: 0;
}

.expr-builder-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.expr-builder-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-blue);
    color: white;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
}

.expr-builder-title-group {
    display: flex;
    flex-direction: column;
}

.expr-builder-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.expr-builder-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.expr-builder-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.expr-cancel-btn {
    text-decoration: none;
}

.expr-save-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-weight: 500;
    white-space: nowrap;
}

.expr-save-icon {
    font-size: 1rem;
}

/* ===== MAIN LAYOUT ===== */
.expr-builder-main {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* ===== LEFT SIDEBAR - TARGET OBJECT ===== */
.expr-target-sidebar {
    width: 140px;
    background: var(--panel-bg);
    border-right: 1px solid var(--panel-border);
    padding: 16px 0;
    flex-shrink: 0;
    overflow-y: auto;
}

.expr-target-label {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
    padding: 0 12px;
    margin-bottom: 10px;
}

.expr-target-nav {
    display: flex;
    flex-direction: column;
}

.expr-target-item {
    display: block;
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    text-align: left;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.expr-target-item:hover {
    background: rgba(59, 130, 246, 0.08);
}

.expr-target-item--active {
    background: var(--accent-blue);
    color: white;
    border-left-color: white;
}

.expr-target-item--active:hover {
    background: var(--accent-blue);
}

/* ===== CENTER AREA ===== */
.expr-builder-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
    padding-bottom: 0;
    overflow: hidden;
    min-width: 0;
}

/* ===== DEFINITION TYPE BAR ===== */
.expr-definition-bar {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    align-items: flex-start;
}

.expr-definition-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.expr-definition-field > span:first-child {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.expr-definition-field--name {
    flex: 2;
    min-width: 200px;
}

.expr-definition-field--type {
    flex: 1;
    min-width: 160px;
    max-width: 220px;
}

.expr-definition-field .form-control,
.expr-definition-field .form-select {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
    padding: 6px 10px;
    height: 34px;
    border-radius: 6px;
    font-size: 14px;
}

.expr-definition-field .form-select {
    padding-right: 32px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 12px;
}

.expr-definition-field .form-control:focus,
.expr-definition-field .form-select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
    outline: none;
}

.expr-definition-field .form-control::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Required field indicator */
.expr-required {
    color: var(--accent-red);
    font-weight: 600;
}

/* Validation error styling */
.expr-definition-field .form-control.is-invalid {
    border-color: var(--accent-red);
}

.expr-definition-field .form-control.is-invalid:focus {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}

.expr-validation-error {
    display: block;
    font-size: 11px;
    color: var(--accent-red);
    margin-top: 4px;
}

/* Dark theme dropdown arrow */
[data-theme="dark"] .expr-definition-field .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

/* ===== RULE BUILDER ===== */
.expr-builder-rules {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding-bottom: 16px;
}

/* ===== EXPRESSION GROUP ===== */
.expr-group {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

.expr-group--nested {
    margin-left: 24px;
    margin-top: 12px;
    border-left: 3px solid var(--accent-blue);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.expr-group-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.expr-logic-toggle {
    display: inline-flex;
    align-items: center;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    overflow: hidden;
}

.expr-logic-option {
    padding: 6px 14px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.expr-logic-option:first-child {
    border-right: 1px solid var(--panel-border);
}

.expr-logic-option:hover:not(.expr-logic-option--active) {
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-primary);
}

.expr-logic-option--active {
    background: var(--accent-blue);
    color: white;
}

/* Group delete button - matches rule delete style, aligned right */
.expr-group-delete {
    width: 36px;
    height: 36px;
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.expr-group-delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border-color: rgba(239, 68, 68, 0.3);
}

.expr-group-delete-icon {
    font-size: 1rem;
}

.expr-group-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.expr-group-empty {
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--border-radius);
    border: 2px dashed var(--panel-border);
}

.expr-group-footer {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--panel-border);
}

.expr-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.expr-add-btn:hover {
    background: rgba(59, 130, 246, 0.08);
    border-color: var(--accent-blue);
}

.expr-add-btn--secondary {
    color: var(--text-secondary);
}

.expr-add-icon {
    font-weight: 600;
}

/* ===== EXPRESSION RULE ===== */
.expr-rule-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    transition: border-color 0.15s ease;
}

.expr-rule-row:hover {
    border-color: var(--panel-border);
}

.expr-rule-field {
    flex: 1;
    max-width: 200px;
}

.expr-rule-operator {
    flex: 1;
    max-width: 180px;
}

.expr-rule-value {
    flex: 1;
    min-width: 120px;
}

/* Rule dropdowns and inputs - portal theme matching */
.expr-rule-row .form-select,
.expr-rule-row .form-control {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
    padding: 6px 10px;
    height: 34px;
    border-radius: 6px;
    font-size: 12px;
}

.expr-rule-row .form-select {
    padding-right: 32px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 12px;
    cursor: pointer;
}

.expr-rule-row .form-select:focus,
.expr-rule-row .form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
    outline: none;
}

.expr-rule-row .form-control::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Dark theme dropdown arrow for rule selects */
[data-theme="dark"] .expr-rule-row .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

/* Operator dropdown optgroup styling */
.expr-rule-operator .form-select optgroup {
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
    background: var(--panel-bg);
    padding: 8px 0 4px 0;
}

.expr-rule-operator .form-select option {
    font-weight: 400;
    font-size: 13px;
    padding: 6px 12px;
    color: var(--text-primary);
}

.expr-rule-operator .form-select option:disabled {
    color: var(--text-secondary);
    opacity: 0.5;
    font-style: italic;
}

.expr-rule-delete {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.expr-rule-delete:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border-color: rgba(239, 68, 68, 0.3);
}

.expr-rule-delete-icon {
    font-size: 1rem;
}

/* ===== SAVE ERROR ===== */
.expr-save-error {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--border-radius);
    color: var(--accent-red);
    font-size: 0.9rem;
}

/* ===== RIGHT SIDEBAR - VISUAL EFFECTS ===== */
.expr-effects-sidebar {
    width: 300px;
    background: var(--panel-bg);
    border-left: 1px solid var(--panel-border);
    padding: 20px;
    flex-shrink: 0;
    overflow-y: auto;
    overflow-x: visible;
}

/* Allow dropdown to escape overflow when open */
.expr-effects-sidebar:has(.msd-root.open) {
    overflow: visible;
}

.expr-effects-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.expr-effects-icon {
    font-size: 1.2rem;
}

.expr-effects-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.expr-effects-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.expr-effects-section {
    margin-bottom: 24px;
    position: relative;
}

.expr-effects-section-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* Radio Group */
.expr-effects-radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.expr-effects-radio {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--panel-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: border-color 0.15s ease;
}

.expr-effects-radio:hover {
    border-color: var(--accent-blue);
}

.expr-effects-radio input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
}

.expr-effects-radio-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Color Swatches */
.expr-color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.expr-color-swatch {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--panel-border);
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.15s ease;
}

.expr-color-swatch:hover {
    transform: scale(1.1);
}

.expr-color-swatch--selected {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px var(--panel-bg), 0 0 0 4px var(--accent-blue);
}

/* Text Color Swatches */
.expr-text-swatch {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--panel-border);
    background: var(--panel-bg);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.1s ease, box-shadow 0.15s ease;
}

.expr-text-swatch:hover {
    transform: scale(1.1);
}

.expr-text-swatch--selected {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px var(--panel-bg), 0 0 0 4px var(--accent-blue);
}

/* Typography Buttons */
.expr-typography-buttons {
    display: flex;
    gap: 8px;
}

.expr-typography-btn {
    flex: 1;
    padding: 10px 12px;
    background: transparent;
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.expr-typography-btn:hover {
    border-color: var(--accent-blue);
}

.expr-typography-btn--active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

/* ===== BOTTOM BAR - PREVIEW ===== */
.expr-preview-bar {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    padding: 12px 16px;
    flex-shrink: 0;
    border-radius: var(--border-radius);
    margin-top: auto;
}

.expr-preview-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.expr-preview-expression {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.95rem;
    color: var(--accent-blue);
    word-break: break-word;
}

.expr-preview-empty {
    color: var(--text-secondary);
    font-style: italic;
}

/* Dark theme: use darker background for preview contrast */
[data-theme="dark"] .expr-preview-bar {
    background: #0f172a;
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .expr-preview-expression {
    color: #67e8f9;
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */
@media (max-width: 1200px) {
    .expr-effects-sidebar {
        width: 280px;
    }
    
    .expr-target-sidebar {
        width: 120px;
    }
}

@media (max-width: 992px) {
    .expr-builder-main {
        flex-direction: column;
    }

    .expr-target-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--panel-border);
        padding: 12px 0;
    }

    .expr-target-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 0 12px;
    }

    .expr-target-item {
        padding: 8px 16px;
        border-left: none;
        border-bottom: 2px solid transparent;
        white-space: nowrap;
    }

    .expr-target-item--active {
        border-left: none;
        border-bottom-color: white;
    }

    .expr-effects-sidebar {
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--panel-border);
    }
}

@media (max-width: 768px) {
    .expr-definition-bar {
        flex-direction: column;
    }
    
    .expr-definition-field--name,
    .expr-definition-field--type {
        flex: 1;
        max-width: none;
        width: 100%;
    }

    .expr-rule-row {
        flex-wrap: wrap;
    }

    .expr-rule-field,
    .expr-rule-operator,
    .expr-rule-value {
        flex: 1 1 100%;
        max-width: none;
    }

    .expr-rule-delete {
        margin-left: auto;
    }
}

/* ===== MULTI-SELECT DROPDOWN IN EFFECTS PANEL ===== */
/* The .filter-modal class is required for the JS portal positioning to work correctly */
.expr-effects-multiselect {
    margin-top: 12px;
    position: relative;
}

/* Ensure the container is a positioning context for the portaled menu */
.expr-effects-multiselect.filter-modal {
    position: relative;
}

.expr-effects-multiselect .msd-root {
    position: relative;
}

.expr-effects-multiselect .msd-root.open {
    z-index: 2147483601;
}

.expr-effects-multiselect .msd-trigger {
    height: 34px;
    width: 100%;
    text-align: left;
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    background: var(--panel-bg);
    color: var(--text-primary);
    padding: 6px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
}

.expr-effects-multiselect .msd-trigger:hover {
    border-color: var(--accent-blue);
}

.expr-effects-multiselect .msd-trigger .msd-input {
    flex: 1 1 auto;
    height: 20px;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
}

.expr-effects-multiselect .msd-trigger .msd-trigger-label {
    flex: 1 1 auto;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.expr-effects-multiselect .msd-trigger .msd-trigger-label[data-placeholder]:empty::before {
    content: attr(data-placeholder);
    color: var(--text-secondary);
    opacity: 0.7;
}

.expr-effects-multiselect .msd-trigger .msd-clear {
    border: 0;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
}

.expr-effects-multiselect .msd-trigger .msd-clear:hover {
    color: var(--accent-red);
}

.expr-effects-multiselect .msd-trigger .caret {
    color: var(--text-secondary);
    font-size: 10px;
    transition: transform 0.15s ease;
}

.expr-effects-multiselect .msd-root.open .msd-trigger .caret {
    transform: rotate(180deg);
}

/* Note: .msd-menu is positioned by JS (multiSelect.positionMenu) which moves it to .filter-modal container */
.expr-effects-multiselect .msd-menu {
    min-width: 220px;
    max-height: 200px;
    overflow: auto;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    box-shadow: var(--shadow-md);
    padding: 6px;
    overscroll-behavior: contain;
    z-index: 2147483600;
}

.expr-effects-multiselect .msd-menu .msd-options {
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
    flex-wrap: nowrap !important;
    padding: 0 !important;
}

.expr-effects-multiselect .msd-menu .msd-option {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 6px 8px !important;
    border-radius: 4px;
    width: 100% !important;
    box-sizing: border-box !important;
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
}

.expr-effects-multiselect .msd-menu .msd-option:hover {
    background: rgba(59, 130, 246, 0.1);
}

.expr-effects-multiselect .msd-menu .msd-option input[type="checkbox"] {
    width: 14px;
    height: 14px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

/* ===== DARK THEME SUPPORT ===== */
[data-theme="dark"] .expr-group-empty {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .expr-rule-row {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .expr-effects-radio {
    background: rgba(255, 255, 255, 0.02);
}