/**
 * CPS Form Library — Canonical CSS
 *
 * Partials live in ./cps/. Vite resolves @import natively.
 * For plugin sync: npm run build:cps-flat → dist/cps.css
 */

/* Core */

/**
 * CPS CSS Library v2.0.0
 *
 * Canonical stylesheet for all CPS product configurator integrations.
 * This is the single source of truth — sync to plugins via scripts/sync-form-css.sh
 *
 * Architecture: BEM naming with CSS custom properties for theming.
 * Root container: .cps (aliases: .cps-form-wrapper, .cps-configurator)
 * Theming via data-theme attribute on root element.
 *
 * Themes: default, corporate, industrial, minimal, dark
 * Modifiers: size-compact, size-large
 *
 * @see docs/external/CSS_CUSTOMIZATION.md
 */

/* =============================================
   1. CSS CUSTOM PROPERTIES (Theme Variables)
   ============================================= */

.cps,
.cps-form-wrapper,
.cps-configurator {
    /* Base colors */
    --cps-bg-primary: #ffffff;
    --cps-bg-secondary: #f9fafb;
    --cps-bg-tertiary: #f3f4f6;
    --cps-text-primary: #333333;
    --cps-text-secondary: #4b5563;
    --cps-text-muted: #9ca3af;
    --cps-border: #e5e7eb;
    --cps-border-hover: #d1d5db;

    /* Accent colors */
    --cps-accent: #1979c3;
    --cps-accent-light: #e0f2fe;
    --cps-accent-dark: #0c5a99;
    --cps-accent-text: #0c5a99;

    /* Status colors */
    --cps-error: #dc3545;
    --cps-success-bg: #dcfce7;
    --cps-success-text: #15803d;
    --cps-warning-bg: #fff8e1;
    --cps-warning-text: #f57c00;
    --cps-error-bg: #fee2e2;
    --cps-error-text: #e02b27;
    --cps-info-bg: #dbeafe;
    --cps-info-text: #1d4ed8;

    /* Spacing */
    --cps-spacing-xs: 4px;
    --cps-spacing-sm: 8px;
    --cps-spacing-md: 12px;
    --cps-spacing-lg: 16px;
    --cps-spacing-xl: 24px;

    /* Typography */
    --cps-font-size-xs: 0.75rem;
    --cps-font-size-sm: 0.875rem;
    --cps-font-size-base: 1rem;
    --cps-font-size-lg: 1.125rem;
    --cps-font-size-xl: 1.25rem;
    --cps-font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;

    /* Borders */
    --cps-radius-sm: 4px;
    --cps-radius-md: 6px;
    --cps-radius-lg: 8px;

    /* Shadows */
    --cps-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --cps-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --cps-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);

    /* Transitions */
    --cps-transition: 150ms ease;

    /* Swatch */
    --cps-swatch-size: 60px;
    --cps-swatch-label: none; /* none | block — toggle via modifier or product CSS */
}

/* =============================================
   2. ROOT CONTAINER (.cps)
   ============================================= */

.cps,
.cps-form-wrapper,
.cps-configurator {
    border: 1px solid var(--cps-border);
    padding: 20px;
    margin: 20px 0;
    border-radius: var(--cps-radius-md);
    background: var(--cps-bg-secondary);
    font-family: inherit;
    font-size: var(--cps-font-size-base);
    color: var(--cps-text-primary);
    line-height: 1.5;
    position: relative;
}

.cps *,
.cps-form-wrapper *,
.cps-configurator * {
    box-sizing: border-box;
}

.cps-title,
.cps-form-title {
    margin-bottom: 20px;
    font-size: var(--cps-font-size-lg);
    font-weight: 600;
    color: var(--cps-text-primary);
    border-bottom: 1px solid var(--cps-border);
    padding-bottom: 10px;
}

/* =============================================
   3. LOADING STATE
   ============================================= */

.cps.is-loading,
.cps-form-wrapper.is-loading,
.cps-configurator.is-loading {
    position: relative;
}

.cps.is-loading .cps-content,
.cps.is-loading .cps-form-content,
.cps-form-wrapper.is-loading .cps-content,
.cps-form-wrapper.is-loading .cps-form-content {
    opacity: 0.5;
    pointer-events: none;
}

.cps.is-loading::after,
.cps-form-wrapper.is-loading::after,
.cps-configurator.is-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 32px;
    height: 32px;
    margin: -16px 0 0 -16px;
    border: 3px solid var(--cps-border);
    border-top-color: var(--cps-accent);
    border-radius: 50%;
    animation: cps-spin 0.8s linear infinite;
    z-index: 10;
}

@keyframes cps-spin {
    to { transform: rotate(360deg); }
}

.cps-loading {
    display: none;
    text-align: center;
    padding: 20px;
    color: var(--cps-text-muted);
}

.cps.is-loading .cps-loading,
.cps-form-wrapper.is-loading .cps-loading {
    display: block;
}

/* Configurator loading variant (flex centered) */

.cps-configurator > .cps-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem 2rem;
    background: var(--cps-bg-secondary);
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-lg);
    color: var(--cps-text-muted);
}

/* Layout */

/* =============================================
   4. GROUPS (.cps-group)
   ============================================= */

.cps-groups,
.cps-form-groups {
    display: flex;
    flex-direction: column;
    gap: var(--cps-spacing-xl);
}

.cps-group,
.cps-form-group,
.cps-field-group {
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-md);
    overflow: hidden;
    background: var(--cps-bg-primary);
}

.cps-group.is-hidden,
.cps-form-group.is-hidden,
.cps-field-group.is-hidden {
    display: none;
}

.cps-group__header,
.cps-form-group__header,
.cps-field-group-title {
    width: 100%;
    background: var(--cps-bg-tertiary);
    padding: var(--cps-spacing-md) var(--cps-spacing-lg);
    font-weight: 600;
    color: var(--cps-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.15s ease;
    font-size: var(--cps-font-size-sm);
    border: none;
    text-align: left;
    box-sizing: border-box;
}

.cps-group__header:hover,
.cps-form-group__header:hover {
    background: var(--cps-bg-secondary);
}

.cps-group__header::after,
.cps-form-group__header::after {
    content: '\2212';
    font-size: 1.2em;
    color: var(--cps-text-muted);
    transition: transform 0.2s ease;
}

.cps-group.is-collapsed .cps-group__header::after,
.cps-form-group.is-collapsed .cps-form-group__header::after {
    content: '+';
}

/* Field-group-title from configurator has border-bottom instead of collapse toggle */

.cps-field-group-title {
    border-bottom: 1px solid var(--cps-border);
    cursor: default;
}

.cps-group__body,
.cps-form-group__content,
.cps-group-fields {
    padding: var(--cps-spacing-lg);
    background: var(--cps-bg-primary);
}

.cps-group-fields {
    display: flex;
    flex-direction: column;
    gap: var(--cps-spacing-md);
}

.cps-group.is-collapsed .cps-group__body,
.cps-form-group.is-collapsed .cps-form-group__content {
    display: none;
}

/* =============================================
   5. INLINE LAYOUT (.cps-inline)
   ============================================= */

.cps-inline,
.cps-form-inline {
    background: var(--cps-bg-primary);
    padding: var(--cps-spacing-lg);
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-md);
}

.cps-inline .cps-fields,
.cps-inline .cps-form-fields,
.cps-form-inline .cps-fields,
.cps-form-inline .cps-form-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--cps-spacing-lg);
}

/* Inline group container - no visual styling, just for visibility control */

.cps-inline-group {
    display: contents;
}

.cps-inline-group.is-hidden {
    display: none;
}

@media (max-width: 480px) {
    .cps-inline .cps-fields,
    .cps-inline .cps-form-fields,
    .cps-form-inline .cps-fields,
    .cps-form-inline .cps-form-fields {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   6. TABS (.cps-tabs)
   ============================================= */

.cps-tabs,
.cps-form-tabs {
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-lg);
    overflow: hidden;
}

.cps-tabs__nav,
.cps-form-tabs__header,
.cps-tabs__header {
    display: flex;
    flex-wrap: wrap;
    gap: var(--cps-spacing-xs);
    padding: var(--cps-spacing-sm);
    background: var(--cps-bg-secondary);
    border-bottom: 1px solid var(--cps-border);
}

/* Configurator tabs header uses tertiary bg */

.cps-configurator .cps-tabs__header {
    background: var(--cps-bg-tertiary);
}

.cps-tabs__btn,
.cps-form-tabs__tab,
.cps-tabs__tab {
    padding: var(--cps-spacing-sm) var(--cps-spacing-lg);
    font-size: var(--cps-font-size-sm);
    font-weight: 500;
    border-radius: var(--cps-radius-md);
    border: 1px solid transparent;
    background: transparent;
    color: var(--cps-text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.cps-tabs__btn:hover,
.cps-form-tabs__tab:hover,
.cps-tabs__tab:hover {
    color: var(--cps-text-primary);
    background: var(--cps-bg-tertiary);
}

.cps-tabs__btn.is-active,
.cps-form-tabs__tab.is-active,
.cps-tabs__tab.is-active {
    background: var(--cps-bg-primary);
    color: var(--cps-accent);
    border-color: var(--cps-border);
    box-shadow: var(--cps-shadow-sm);
}

.cps-tabs__btn.is-hidden,
.cps-form-tabs__tab.is-hidden,
.cps-tabs__tab.is-hidden {
    display: none;
}

.cps-tabs__panel,
.cps-form-tabs__panel {
    padding: var(--cps-spacing-lg);
    display: none;
}

.cps-tabs__panel.is-active,
.cps-form-tabs__panel.is-active {
    display: block;
}

/* Ungrouped fields in tabs layout */

.cps-ungrouped,
.cps-form-ungrouped {
    padding: var(--cps-spacing-lg);
    border-top: 1px solid var(--cps-border);
    margin-top: var(--cps-spacing-md);
}

/* =============================================
   7. ACCORDION (.cps-accordion)
   ============================================= */

.cps-accordion,
.cps-form-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--cps-spacing-sm);
}

.cps-accordion__item,
.cps-accordion-item {
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-md);
    overflow: hidden;
    background: var(--cps-bg-primary);
}

.cps-accordion__item.is-hidden,
.cps-accordion-item.is-hidden {
    display: none;
}

.cps-accordion__header,
.cps-accordion-item__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--cps-spacing-md) var(--cps-spacing-lg);
    background: var(--cps-bg-tertiary);
    cursor: pointer;
    user-select: none;
    transition: background 0.15s ease;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

.cps-accordion__header:hover,
.cps-accordion-item__header:hover {
    background: var(--cps-bg-secondary);
}

.cps-accordion__title,
.cps-accordion-item__title {
    font-weight: 600;
    color: var(--cps-text-primary);
}

/* CSS-only plus/minus icon */

.cps-accordion__icon,
.cps-accordion-item__icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.cps-accordion__icon::before,
.cps-accordion__icon::after,
.cps-accordion-item__icon::before,
.cps-accordion-item__icon::after {
    content: '';
    position: absolute;
    background: var(--cps-text-muted);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.cps-accordion__icon::before,
.cps-accordion-item__icon::before {
    width: 12px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cps-accordion__icon::after,
.cps-accordion-item__icon::after {
    width: 2px;
    height: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Expanded: minus icon (vertical bar collapses) */

.cps-accordion__item.is-expanded .cps-accordion__icon::after,
.cps-accordion-item.is-expanded .cps-accordion-item__icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
    opacity: 0;
}

/* Collapsible content with max-height transition */

.cps-accordion__body,
.cps-accordion-item__content,
.cps-accordion__content {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease, padding 0.25s ease;
}

.cps-accordion__item.is-expanded .cps-accordion__body,
.cps-accordion__item.is-expanded .cps-accordion__content,
.cps-accordion-item.is-expanded .cps-accordion-item__content {
    padding: var(--cps-spacing-lg);
    max-height: 2000px;
}

/* Form elements */

/* =============================================
   8. FIELDS (.cps-field + type modifiers)
   ============================================= */

.cps-fields,
.cps-form-fields {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: stretch;
    gap: var(--cps-spacing-lg);
}

.cps-field,
.cps-form-field {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

/* When fields share a flex row, shorter fields center their controls
   vertically while labels stay at the top.
   Uses order + two flex spacers (::before and ::after) to distribute
   extra vertical space evenly above and below controls. */

.cps-field > label { order: 0; }

.cps-field > :not(label) { order: 2; }

.cps-field::before {
    content: '';
    flex: 1 1 0;
    order: 1;
}

.cps-field::after {
    content: '';
    flex: 1 1 0;
    order: 3;
}

.cps-field.is-hidden,
.cps-form-field.is-hidden {
    display: none;
}

.cps-field.is-disabled,
.cps-form-field.is-disabled {
    opacity: 0.6;
    pointer-events: none;
}

.cps-field__label,
.cps-form-field__label,
.cps-field-label {
    font-weight: 600;
    color: var(--cps-text-primary);
    font-size: var(--cps-font-size-sm);
}

.cps-field.is-required .cps-field__label::after,
.cps-form-field.is-required .cps-form-field__label::after,
.cps-field.is-required .cps-field-label::after {
    content: ' *';
    color: var(--cps-error-text);
}

.cps-field__unit,
.cps-form-field__unit {
    font-weight: normal;
    color: var(--cps-text-muted);
    font-size: 0.85em;
    margin-left: 4px;
}

.cps-field__refresh,
.cps-form-field__refresh {
    color: var(--cps-accent);
    font-size: 0.85em;
    margin-left: 4px;
    cursor: help;
}

.cps-field__control,
.cps-form-field__control {
    display: flex;
    align-items: center;
    gap: var(--cps-spacing-sm);
}

.cps-field__hint,
.cps-form-field__hint,
.cps-field-hint {
    font-size: var(--cps-font-size-xs);
    color: var(--cps-text-muted);
    margin-top: 2px;
}

/* Configurator-style field inputs (generic selectors) */

.cps-field input[type="text"],
.cps-field input[type="number"],
.cps-field input[type="date"],
.cps-field select {
    width: 100%;
    max-width: 300px;
    padding: 10px 14px;
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-sm);
    font-size: var(--cps-font-size-base);
    background-color: var(--cps-bg-primary);
    color: var(--cps-text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.cps-field input:focus,
.cps-field select:focus {
    outline: none;
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 2px var(--cps-accent-light);
}

.cps-field input:disabled,
.cps-field select:disabled {
    background: var(--cps-bg-tertiary);
    color: var(--cps-text-muted);
    cursor: not-allowed;
}

/* =============================================
   9. INPUTS (.cps-input, .cps-select, .cps-checkbox,
              .cps-radio, .cps-range, .cps-stepper)
   ============================================= */

/* Text / Number Input */

.cps-input {
    width: 100%;
    max-width: 300px;
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-sm);
    font-size: var(--cps-font-size-base);
    background: var(--cps-bg-primary);
    color: var(--cps-text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.cps-input:focus {
    outline: none;
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 2px var(--cps-accent-light);
}

.cps-input:disabled {
    background: var(--cps-bg-tertiary);
    color: var(--cps-text-muted);
    cursor: not-allowed;
}

.cps-input.is-invalid {
    border-color: var(--cps-error-text);
}

/* Select */

.cps-select {
    cursor: pointer;
    background: var(--cps-bg-primary) url('data:image/svg+xml;charset=utf-8,%3Csvg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"%3E%3Cpath fill="%236b7280" d="M6 8L1 3h10z"/%3E%3C/svg%3E') no-repeat right 12px center;
    padding-right: 36px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Number stepper */

.cps-stepper {
    display: flex;
    align-items: center;
    gap: var(--cps-spacing-sm);
    max-width: 200px;
}

.cps-stepper .cps-input {
    text-align: center;
    flex: 1;
    padding: 10px 8px;
    -moz-appearance: textfield;
}

.cps-stepper .cps-input::-webkit-outer-spin-button,
.cps-stepper .cps-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cps-stepper__btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--cps-border);
    background: var(--cps-bg-primary);
    border-radius: var(--cps-radius-sm);
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cps-text-primary);
    transition: background 0.2s, border-color 0.2s;
    user-select: none;
}

.cps-stepper__btn:hover {
    background: var(--cps-bg-secondary);
    border-color: var(--cps-border-hover);
}

.cps-stepper__btn:active {
    background: var(--cps-bg-tertiary);
}

.cps-stepper__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Field Navigation (for number fields with presets/step) */

.cps-field-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.cps-field-nav__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    min-width: 32px;
    height: 32px;
    min-height: 32px;
    border: 1px solid var(--cps-border);
    background: var(--cps-bg-secondary);
    cursor: pointer;
    color: var(--cps-text-secondary);
    transition: all 0.2s;
    padding: 0;
    flex-shrink: 0;
}

.cps-field-nav__btn svg {
    display: block;
    width: 16px !important;
    height: 16px !important;
    min-width: 16px;
    min-height: 16px;
    pointer-events: none;
    stroke: currentColor;
    fill: none;
}

.cps-field-nav__prev {
    border-radius: var(--cps-radius-sm) 0 0 var(--cps-radius-sm);
    border-right: none;
}

.cps-field-nav__next {
    border-radius: 0 var(--cps-radius-sm) var(--cps-radius-sm) 0;
    border-left: none;
}

.cps-field-nav__btn:hover:not(:disabled) {
    background: var(--cps-bg-primary);
    color: var(--cps-accent);
}

.cps-field-nav__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.cps-field-nav .cps-input {
    border-radius: 0;
    text-align: center;
    width: 80px;
    min-width: 80px;
    height: 32px;
    -moz-appearance: textfield;
}

.cps-field-nav .cps-input::-webkit-outer-spin-button,
.cps-field-nav .cps-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Checkbox — inline with label */

.cps-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--cps-radius-sm);
    transition: background 0.15s;
}

.cps-checkbox-wrapper:hover {
    background: rgba(0, 0, 0, 0.04);
}

.cps-checkbox-wrapper input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--cps-accent);
    cursor: pointer;
    margin: 0;
    flex-shrink: 0;
}

.cps-checkbox-wrapper label {
    cursor: pointer;
    margin: 0;
    font-size: var(--cps-font-size-sm);
    color: var(--cps-text-primary);
}

.cps-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--cps-accent);
    flex-shrink: 0;
}

.cps-checkbox-label {
    cursor: pointer;
}

/* Radio group */

.cps-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
}

.cps-radio-wrapper,
.cps-radio {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.35rem 0.5rem;
    border-radius: var(--cps-radius-sm);
    transition: background 0.15s;
}

.cps-radio-wrapper:hover,
.cps-radio:hover {
    background: rgba(0, 0, 0, 0.04);
}

.cps-radio-wrapper input[type="radio"],
.cps-radio input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--cps-accent);
    cursor: pointer;
    margin: 0;
}

.cps-radio-wrapper label,
.cps-radio .cps-radio__label {
    cursor: pointer;
    margin: 0;
    font-size: var(--cps-font-size-sm);
    color: var(--cps-text-primary);
}

/* Radio option (cps-form-wrapper style) */

.cps-radio-option {
    display: inline-flex;
    align-items: center;
    gap: var(--cps-spacing-sm);
    cursor: pointer;
}

.cps-radio-option input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--cps-accent);
}

.cps-radio-label {
    font-size: var(--cps-font-size-sm);
    color: var(--cps-text-primary);
}

/* Range slider */

.cps-range-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cps-range-input-row {
    display: flex;
    align-items: center;
    gap: var(--cps-spacing-sm);
}

.cps-range-input-row input[type="range"] {
    flex: 1;
    max-width: 200px;
    accent-color: var(--cps-accent);
    cursor: pointer;
}

.cps-range {
    flex: 1;
    max-width: 200px;
    accent-color: var(--cps-accent);
    cursor: pointer;
}

.cps-range-value {
    min-width: 50px;
    text-align: center;
    font-size: var(--cps-font-size-sm);
    font-weight: 600;
    color: var(--cps-text-primary);
    background: var(--cps-bg-tertiary);
    padding: var(--cps-spacing-xs) var(--cps-spacing-sm);
    border-radius: var(--cps-radius-sm);
}

.cps-range-limits {
    display: flex;
    justify-content: space-between;
    max-width: 200px;
    font-size: var(--cps-font-size-xs);
    color: var(--cps-text-muted);
}

/* Date input */

.cps-date {
    min-width: 160px;
}

/* =============================================
   10. SWATCHES (.cps-swatch)
   ============================================= */

.cps-swatch {
    --cps-swatch-radius: var(--cps-radius-md);
    --cps-swatch-gap: var(--cps-spacing-md);

    display: flex;
    flex-wrap: wrap;
    gap: var(--cps-swatch-gap);
}

/* Layout variants */

.cps-swatch--grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--cps-swatch-size), 1fr));
}

.cps-swatch--list {
    flex-direction: column;
    align-items: flex-start;
}

/* Size variants */

.cps-swatch--sm { --cps-swatch-size: 40px; }

.cps-swatch--md { --cps-swatch-size: 60px; }

.cps-swatch--lg { --cps-swatch-size: 80px; }

.cps-swatch--xl { --cps-swatch-size: 100px; }

/* Each option */

.cps-swatch__option {
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--cps-spacing-xs);
}

/* Hidden input */

.cps-swatch__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* Visual container (image + check overlay) */

.cps-swatch__visual {
    position: relative;
    width: var(--cps-swatch-size);
    height: var(--cps-swatch-size);
    border: 2px solid var(--cps-border);
    border-radius: var(--cps-swatch-radius);
    overflow: hidden;
    transition: all 0.2s ease;
    background: var(--cps-bg-tertiary);
}

/* The image/color element — THIS IS WHAT CLIENTS CUSTOMIZE */

.cps-swatch__image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--cps-bg-tertiary, #f5f5f5);
}

/* Default placeholder pattern when no custom image is set.
   Shows crosshatch for swatches without a background-image AND without
   a custom background-color (i.e. the element has no inline style at all,
   or only has background-color: #ffffff / white). Swatches with a real
   background-color (e.g. brown for "wood") should NOT get the pattern. */

.cps-swatch__image:not([style]) {
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 4px,
        rgba(0, 0, 0, 0.05) 4px,
        rgba(0, 0, 0, 0.05) 5px
    );
}

/* Also show crosshatch when background is explicitly white */

.cps-swatch__image[style*="background-color: #ffffff"],
.cps-swatch__image[style*="background-color: #fff"],
.cps-swatch__image[style*="background-color: white"],
.cps-swatch__image[style*="background-color: rgb(255, 255, 255)"] {
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 4px,
        rgba(0, 0, 0, 0.05) 4px,
        rgba(0, 0, 0, 0.05) 5px
    );
}

/* Checkmark overlay */

.cps-swatch__check {
    position: absolute;
    right: 4px;
    bottom: 4px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cps-success-text, #15803d);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.cps-swatch__check::after {
    content: '\2713';
    color: white;
    font-size: 0.75em;
    font-weight: bold;
}

/* Label text below swatch — controlled by --cps-swatch-label variable.
   Hidden by default. Override via product CSS or theme modifier:
   .cps { --cps-swatch-label: block; } */

.cps-swatch__label {
    display: var(--cps-swatch-label);
    font-size: var(--cps-font-size-xs);
    color: var(--cps-text-secondary);
    text-align: center;
    margin-top: var(--cps-spacing-xs);
    max-width: calc(var(--cps-swatch-size) + 20px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.2s ease, font-weight 0.2s ease;
}

/* ---- Swatch States ---- */

/* Hover */

.cps-swatch__option:hover .cps-swatch__visual {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 2px var(--cps-accent-light);
}

/* Focus (accessibility) */

.cps-swatch__input:focus-visible + .cps-swatch__visual {
    outline: 2px solid var(--cps-accent);
    outline-offset: 2px;
}

/* Selected */

.cps-swatch__input:checked + .cps-swatch__visual {
    border-color: var(--cps-success-text, #15803d);
    border-width: 3px;
}

.cps-swatch__input:checked + .cps-swatch__visual .cps-swatch__check {
    opacity: 1;
}

.cps-swatch__input:checked ~ .cps-swatch__label {
    color: var(--cps-accent-text);
    font-weight: 600;
}

/* Disabled */

.cps-swatch__option.is-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.cps-swatch__input:disabled + .cps-swatch__visual {
    opacity: 0.4;
    cursor: not-allowed;
}

.cps-swatch__input:disabled ~ .cps-swatch__label {
    opacity: 0.4;
}

/* ---- Swatch Variant: Color only (circular) ---- */

.cps-swatch--color .cps-swatch__visual {
    border-radius: 50%;
}

.cps-swatch--color .cps-swatch__check::after {
    font-size: 1.2em;
}

/* ---- Swatch Variant: Label inside ---- */

.cps-swatch--label-inside .cps-swatch__option {
    gap: 0;
}

.cps-swatch--label-inside .cps-swatch__label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: none;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    padding: 4px 6px 2px;
    font-size: 0.65rem;
    z-index: 1;
}

.cps-swatch--label-inside .cps-swatch__input:checked ~ .cps-swatch__label {
    color: white;
    background: linear-gradient(transparent, var(--cps-accent-dark));
}

/* Features */

/* =============================================
   11. QUANTITY & NAVIGATION
   ============================================= */

.cps-quantity-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--cps-border);
    display: flex;
    align-items: center;
    gap: var(--cps-spacing-md);
    flex-wrap: wrap;
}

.cps-quantity-section__label {
    font-weight: 600;
    color: var(--cps-text-primary);
    font-size: var(--cps-font-size-sm);
}

.cps-quantity-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.cps-quantity-nav__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    min-width: 32px;
    height: 32px;
    min-height: 32px;
    border: 1px solid var(--cps-border);
    background: var(--cps-bg-secondary);
    cursor: pointer;
    color: var(--cps-text-secondary);
    transition: all 0.2s;
    padding: 0;
    flex-shrink: 0;
}

.cps-quantity-nav__btn svg {
    display: block;
    width: 16px !important;
    height: 16px !important;
    min-width: 16px;
    min-height: 16px;
    fill: currentColor;
    pointer-events: none;
}

.cps-quantity-nav__btn svg path {
    fill: currentColor;
}

.cps-quantity-nav__prev {
    border-radius: var(--cps-radius-sm) 0 0 var(--cps-radius-sm);
    border-right: none;
}

.cps-quantity-nav__next {
    border-radius: 0 var(--cps-radius-sm) var(--cps-radius-sm) 0;
    border-left: none;
}

.cps-quantity-nav__btn:hover:not(:disabled) {
    background: var(--cps-bg-primary);
    color: var(--cps-accent);
}

.cps-quantity-nav__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.cps-quantity-nav .cps-input {
    width: 80px;
    text-align: center;
    border-radius: 0;
    -moz-appearance: textfield;
}

.cps-quantity-nav .cps-input::-webkit-outer-spin-button,
.cps-quantity-nav .cps-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cps-quantity-info {
    font-size: var(--cps-font-size-sm);
    color: var(--cps-text-muted);
}

/* Configurator quantity section input */

.cps-quantity-section input[type="number"] {
    width: 80px;
    padding: var(--cps-spacing-sm) var(--cps-spacing-md);
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-sm);
    font-size: var(--cps-font-size-base);
    background: var(--cps-bg-primary);
    color: var(--cps-text-primary);
    text-align: center;
}

/* Footer (Quantity + Results side by side) */

.cps-footer,
.cps-form-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: var(--cps-spacing-lg);
    margin-top: var(--cps-spacing-lg);
}

.cps-footer .cps-quantity-section,
.cps-form-footer .cps-quantity-section {
    flex: 1 1 0;
    border-top: none;
    margin-top: 0;
    padding-top: 0;
    justify-content: flex-start;
}

.cps-footer .cps-result-section,
.cps-form-footer .cps-result-section {
    flex: 1 1 0;
    margin-top: 0;
}

/* =============================================
   12. RESULTS (.cps-price, .cps-total, .cps-grand-total)
   ============================================= */

.cps-result-section {
    margin-top: var(--cps-spacing-xl);
    padding: 20px;
    border-radius: var(--cps-radius-md);
    background: var(--cps-bg-primary);
    border: 2px solid var(--cps-border);
}

.cps-result-section.is-valid {
    border-color: #4caf50;
}

.cps-result-section.has-error {
    border-color: var(--cps-error-text);
}

/* Price display - supports unit price and/or total */

.cps-price-display {
    display: flex;
    flex-direction: column;
    gap: var(--cps-spacing-md);
}

/* Configurator price display (with border/bg) */

.cps-configurator .cps-price-display {
    margin-top: var(--cps-spacing-xl);
    padding: var(--cps-spacing-lg);
    border-radius: var(--cps-radius-md);
    background: var(--cps-bg-primary);
    border: 1px solid var(--cps-border);
}

.cps-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--cps-spacing-sm) 0;
}

.cps-price-row:not(:last-child) {
    border-bottom: 1px solid var(--cps-border);
}

.cps-price-label {
    font-weight: 500;
    color: var(--cps-text-primary);
    font-size: var(--cps-font-size-sm);
}

.cps-price-value {
    font-size: var(--cps-font-size-lg);
    font-weight: 700;
    color: var(--cps-accent);
}

.cps-price-total {
    padding-top: var(--cps-spacing-md);
    border-top: 2px solid var(--cps-border);
    margin-top: var(--cps-spacing-sm);
}

.cps-price-total .cps-price-label {
    font-weight: 700;
    font-size: var(--cps-font-size-base);
}

.cps-price-total .cps-price-value {
    font-size: var(--cps-font-size-xl);
    color: var(--cps-accent-dark);
}

.cps-price-calculating {
    color: var(--cps-text-muted);
    font-style: italic;
    font-size: var(--cps-font-size-sm);
}

.cps-price-error {
    color: var(--cps-error-text);
    font-size: var(--cps-font-size-sm);
}

.cps-total {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--cps-text-primary);
}

.cps-total__label {
    font-size: 1.25rem;
}

.cps-total__value {
    font-size: 1.75rem;
    color: var(--cps-accent);
}

.cps-total__value.is-loading {
    color: var(--cps-text-muted);
}

/* Grand total line (unit x qty) - smaller than unit price */

.cps-grand-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--cps-spacing-sm);
    border-top: 1px dashed var(--cps-border);
    font-size: var(--cps-font-size-base);
    color: var(--cps-text-secondary);
}

.cps-grand-total__label {
    font-weight: 500;
}

.cps-grand-total__value {
    font-weight: 600;
    color: var(--cps-text-primary);
}

.cps-grand-total.is-hidden {
    display: none;
}

/* =============================================
   13. BREAKDOWN (.cps-breakdown)
   ============================================= */

.cps-breakdown {
    margin-top: var(--cps-spacing-lg);
    padding-top: var(--cps-spacing-lg);
    border-top: 1px solid var(--cps-border);
}

.cps-breakdown:empty {
    display: none;
}

.cps-breakdown__title {
    font-weight: 600;
    font-size: var(--cps-font-size-sm);
    color: var(--cps-text-muted);
    margin-bottom: var(--cps-spacing-sm);
}

.cps-breakdown__lines {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cps-breakdown__line {
    display: flex;
    justify-content: space-between;
    font-size: var(--cps-font-size-sm);
    color: var(--cps-text-secondary);
}

.cps-breakdown__line-label {
    color: var(--cps-text-muted);
}

.cps-breakdown__line-value {
    font-weight: 500;
}

/* =============================================
   14. OUTPUT GROUPS (.cps-output-group)
   ============================================= */

.cps-output-groups:empty {
    display: none;
}

.cps-output-group {
    margin-top: var(--cps-spacing-lg);
    padding: var(--cps-spacing-md);
    background: var(--cps-bg-secondary);
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-md);
}

.cps-output-group__title {
    font-weight: 600;
    font-size: var(--cps-font-size-sm);
    color: var(--cps-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--cps-spacing-sm);
}

.cps-output-group__fields {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cps-output-group__field {
    display: flex;
    justify-content: space-between;
    font-size: var(--cps-font-size-sm);
}

.cps-output-group__field-label {
    color: var(--cps-text-muted);
}

.cps-output-group__field-value {
    font-weight: 500;
    color: var(--cps-text-primary);
}

/* =============================================
   15. MESSAGES (.cps-errors, .cps-warnings, .cps-validation-errors)
   ============================================= */

.cps-errors {
    margin-top: var(--cps-spacing-md);
    padding: var(--cps-spacing-md);
    background: var(--cps-error-bg);
    border: 1px solid #fecaca;
    border-radius: var(--cps-radius-sm);
    color: var(--cps-error-text);
    font-size: var(--cps-font-size-sm);
}

.cps-errors:empty {
    display: none;
}

.cps-errors__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.cps-errors__list li {
    margin-bottom: 4px;
}

.cps-errors__list li:last-child {
    margin-bottom: 0;
}

.cps-warnings {
    margin-top: var(--cps-spacing-md);
    padding: var(--cps-spacing-md);
    background: var(--cps-warning-bg);
    border: 1px solid #ffe082;
    border-radius: var(--cps-radius-sm);
    color: var(--cps-warning-text);
    font-size: var(--cps-font-size-sm);
}

.cps-warnings:empty {
    display: none;
}

.cps-warnings__list {
    margin: 0;
    padding: 0;
    list-style: disc inside;
}

.cps-errors ul,
.cps-warnings ul {
    margin: 0;
    padding-left: 1.25rem;
    list-style: disc;
}

.cps-validation-errors {
    background: var(--cps-error-bg);
    border: 1px solid var(--cps-error-text);
    border-radius: var(--cps-radius-md);
    padding: var(--cps-spacing-lg);
    margin-bottom: var(--cps-spacing-lg);
}

.cps-error-list {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--cps-error-text);
    font-size: var(--cps-font-size-sm);
}

.cps-error-list li {
    margin-bottom: 0.25rem;
}

.cps-error-list li:last-child {
    margin-bottom: 0;
}

/* =============================================
   16. EMPTY/ERROR STATES
   ============================================= */

.cps-empty,
.cps-form-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--cps-text-muted);
}

.cps-error,
.cps-form-error {
    text-align: center;
    padding: 40px 20px;
    color: var(--cps-error-text);
}

.cps-api-error {
    text-align: center;
    padding: 30px 20px;
    background: var(--cps-warning-bg);
    color: var(--cps-warning-text);
    border: 1px solid var(--cps-warning-text);
    border-radius: var(--cps-radius-md, 6px);
    margin: var(--cps-spacing-md, 12px) 0;
}

.cps-api-error p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

.cps-error-state {
    padding: var(--cps-spacing-lg);
    background: var(--cps-error-bg);
    border: 1px solid #fecaca;
    border-radius: var(--cps-radius-lg);
    color: var(--cps-error-text);
    text-align: center;
}

.cps-retry-btn {
    margin-top: var(--cps-spacing-md);
    padding: var(--cps-spacing-sm) var(--cps-spacing-lg);
    background: var(--cps-accent);
    color: #fff;
    border: none;
    border-radius: var(--cps-radius-sm);
    cursor: pointer;
    font-size: var(--cps-font-size-sm);
    font-family: inherit;
}

.cps-retry-btn:hover {
    background: var(--cps-accent-dark);
}

/* Add to cart button (configurator) */

.cps-add-to-cart {
    width: 100%;
    padding: 14px var(--cps-spacing-xl);
    margin-top: var(--cps-spacing-xl);
    background: var(--cps-accent);
    color: #fff;
    border: none;
    border-radius: var(--cps-radius-sm);
    font-size: var(--cps-font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
    font-family: inherit;
}

.cps-add-to-cart:hover:not(:disabled) {
    background: var(--cps-accent-dark);
    transform: translateY(-1px);
}

.cps-add-to-cart:disabled {
    background: var(--cps-border-hover);
    cursor: not-allowed;
    transform: none;
}

/* =============================================
   17. STATES (.is-hidden, .is-disabled, .is-active,
               .is-expanded, .is-required)
   ============================================= */

.is-hidden {
    display: none !important;
}

.is-disabled {
    opacity: 0.5;
    pointer-events: none;
}

.cps-field-hidden {
    display: none !important;
}

/* =============================================
   18. SPINNER & LOADING (.cps-spinner, .cps-refreshing, .cps-loading)
   ============================================= */

.cps-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--cps-border);
    border-top-color: var(--cps-accent);
    border-radius: 50%;
    animation: cps-spin 0.8s linear infinite;
}

.cps-refreshing {
    position: relative;
    pointer-events: none;
}

.cps-refreshing::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.6);
    z-index: 10;
}

.cps-refreshing::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    border: 3px solid var(--cps-border);
    border-top-color: var(--cps-accent);
    border-radius: 50%;
    animation: cps-spin 0.8s linear infinite;
    z-index: 11;
}

.cps-refreshing .cps-fields {
    transition: opacity 0.2s ease;
}

/* =============================================
   19. FIELD HINTS & NUMBER SPINNER HIDE
   ============================================= */

.cps-field[data-refresh-form="true"] .cps-field-label::after,
.cps-field[data-refresh-form="true"] .cps-field__label::after {
    content: '\21BB';
    display: inline-block;
    margin-left: 0.375rem;
    font-size: 0.75em;
    font-family: system-ui, sans-serif;
    color: var(--cps-accent);
    opacity: 0.6;
}

/* Hide number spinners (generic) */

.cps-field input[type="number"]::-webkit-inner-spin-button,
.cps-field input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cps-field input[type="number"] {
    -moz-appearance: textfield;
}

/* =============================================
   20. TRACE VIEWER (.cps-trace)
   ============================================= */

.cps-trace {
    margin-top: var(--cps-spacing-xl);
    border: 1px solid var(--cps-border);
    border-radius: var(--cps-radius-md);
    overflow: hidden;
}

.cps-trace__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--cps-spacing-md) var(--cps-spacing-lg);
    background: var(--cps-bg-secondary);
    font-size: var(--cps-font-size-sm);
    font-weight: 600;
    color: var(--cps-text-primary);
    border-bottom: 1px solid var(--cps-border);
}

.cps-trace__count {
    padding: 2px 8px;
    font-weight: 400;
    border-radius: var(--cps-radius-sm);
    background: var(--cps-bg-tertiary);
    color: var(--cps-text-secondary);
    font-size: var(--cps-font-size-xs);
}

.cps-trace__container {
    max-height: 400px;
    overflow: auto;
    padding: var(--cps-spacing-md);
    background: var(--cps-bg-primary);
    font-family: var(--cps-font-mono);
    font-size: var(--cps-font-size-xs);
}

.cps-trace__events {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cps-trace__event {
    display: flex;
    align-items: flex-start;
    gap: var(--cps-spacing-sm);
    padding: 4px 8px;
    border-radius: var(--cps-radius-sm);
}

.cps-trace__icon {
    width: 20px;
    text-align: center;
    font-weight: 700;
    flex-shrink: 0;
}

.cps-trace__content {
    flex: 1;
    min-width: 0;
}

.cps-trace__name {
    font-weight: 600;
}

.cps-trace__op {
    color: var(--cps-text-muted);
}

/* Trace event types */

.cps-trace__event--var_set {
    background: var(--cps-info-bg);
    color: var(--cps-info-text);
}

.cps-trace__event--var_get {
    background: var(--cps-bg-tertiary);
    color: var(--cps-text-secondary);
}

.cps-trace__event--table,
.cps-trace__event--lookup {
    background: #f3e8ff;
    color: #7e22ce;
}

.cps-trace__event--add {
    background: var(--cps-success-bg);
    color: var(--cps-success-text);
}

.cps-trace__event--multiply {
    background: #d1fae5;
    color: #047857;
}

.cps-trace__event--condition {
    background: var(--cps-warning-bg);
    color: var(--cps-warning-text);
}

.cps-trace__event--function {
    background: #e0e7ff;
    color: #4338ca;
}

.cps-trace__event--section_enter,
.cps-trace__event--section_exit {
    background: #e0f2fe;
    color: #0369a1;
}

.cps-trace__event--error {
    background: var(--cps-error-bg);
    color: var(--cps-error-text);
}

.cps-trace__event--warning {
    background: #ffedd5;
    color: #c2410c;
}

/* Themes */

/* =============================================
   21. THEME: CORPORATE
   Professional blue/gray business theme
   ============================================= */

.cps[data-theme="corporate"] {
    --cps-bg-primary: #ffffff;
    --cps-bg-secondary: #f8fafc;
    --cps-bg-tertiary: #f1f5f9;
    --cps-text-primary: #1e293b;
    --cps-text-secondary: #475569;
    --cps-text-muted: #94a3b8;
    --cps-border: #e2e8f0;
    --cps-border-hover: #cbd5e1;

    --cps-accent: #1e40af;
    --cps-accent-light: #dbeafe;
    --cps-accent-dark: #1e3a8a;
    --cps-accent-text: #1e40af;

    --cps-radius-sm: 3px;
    --cps-radius-md: 5px;
    --cps-radius-lg: 6px;

    --cps-shadow-sm: 0 1px 2px rgb(0 0 0 / 0.06);
    --cps-shadow-md: 0 1px 3px rgb(0 0 0 / 0.08), 0 1px 2px rgb(0 0 0 / 0.06);

    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Groups — card-like with subtle elevation */

.cps[data-theme="corporate"] .cps-group {
    background: var(--cps-bg-primary);
    border: 1px solid var(--cps-border);
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.06), 0 1px 2px rgb(0 0 0 / 0.04);
}

.cps[data-theme="corporate"] .cps-group__header {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--cps-text-muted);
    background: var(--cps-bg-secondary);
    border-bottom: 1px solid var(--cps-border);
}

/* Inputs — refined focus state with accent ring */

.cps[data-theme="corporate"] .cps-input {
    border-color: var(--cps-border);
    transition: border-color var(--cps-transition), box-shadow var(--cps-transition);
}

.cps[data-theme="corporate"] .cps-input:focus {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
}

.cps[data-theme="corporate"] .cps-select {
    transition: border-color var(--cps-transition), box-shadow var(--cps-transition);
}

.cps[data-theme="corporate"] .cps-select:focus {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
}

/* Tabs — professional active state */

.cps[data-theme="corporate"] .cps-tabs__btn {
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: color var(--cps-transition), border-color var(--cps-transition), background var(--cps-transition);
}

.cps[data-theme="corporate"] .cps-tabs__btn.is-active {
    background: var(--cps-accent-light);
    border-color: var(--cps-accent);
    color: var(--cps-accent);
    font-weight: 600;
}

/* Result section — polished pricing area */

.cps[data-theme="corporate"] .cps-result-section {
    border: 1px solid var(--cps-border);
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.06);
}

.cps[data-theme="corporate"] .cps-result-section.is-valid {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: var(--cps-accent);
    box-shadow: 0 1px 3px rgba(30, 64, 175, 0.1);
}

.cps[data-theme="corporate"] .cps-total__value {
    color: var(--cps-accent-dark);
}

.cps[data-theme="corporate"] .cps-price-value {
    color: var(--cps-accent);
}

/* Breakdown — subtle separator */

.cps[data-theme="corporate"] .cps-breakdown__title {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.7rem;
}

/* Output groups */

.cps[data-theme="corporate"] .cps-output-group {
    background: var(--cps-bg-secondary);
    border-color: var(--cps-border);
}

/* Accordion — elevated cards */

.cps[data-theme="corporate"] .cps-accordion__item {
    border: 1px solid var(--cps-border);
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.06), 0 1px 2px rgb(0 0 0 / 0.04);
}

.cps[data-theme="corporate"] .cps-accordion__header {
    font-weight: 500;
    transition: background var(--cps-transition);
}

.cps[data-theme="corporate"] .cps-accordion__item.is-expanded .cps-accordion__header {
    background: var(--cps-bg-secondary);
    border-bottom: 1px solid var(--cps-border);
}

/* Swatches */

.cps[data-theme="corporate"] .cps-swatch__visual {
    border-radius: var(--cps-radius-sm);
    transition: border-color var(--cps-transition), box-shadow var(--cps-transition);
}

.cps[data-theme="corporate"] .cps-swatch__input:checked + .cps-swatch__visual {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 2px rgba(30, 64, 175, 0.2);
}

.cps[data-theme="corporate"] .cps-swatch__check {
    background: rgba(30, 64, 175, 0.85);
}

/* Checkbox/Radio — accent alignment */

.cps[data-theme="corporate"] .cps-checkbox-wrapper:hover,
.cps[data-theme="corporate"] .cps-radio-wrapper:hover,
.cps[data-theme="corporate"] .cps-radio:hover {
    background: rgba(30, 64, 175, 0.04);
}

/* CTA button — deep blue gradient */

.cps[data-theme="corporate"] .cps-add-to-cart {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    border: none;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 3px rgba(30, 64, 175, 0.3);
    transition: background var(--cps-transition), box-shadow var(--cps-transition), transform var(--cps-transition);
}

.cps[data-theme="corporate"] .cps-add-to-cart:hover:not(:disabled) {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    box-shadow: 0 2px 6px rgba(30, 64, 175, 0.35);
    transform: translateY(-1px);
}

.cps[data-theme="corporate"] .cps-add-to-cart:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(30, 64, 175, 0.3);
}

/* Errors/Warnings — corporate style */

.cps[data-theme="corporate"] .cps-errors,
.cps[data-theme="corporate"] .cps-warnings {
    box-shadow: 0 1px 2px rgb(0 0 0 / 0.06);
}

/* =============================================
   22. THEME: INDUSTRIAL
   Dark brutalist manufacturing theme
   ============================================= */

.cps[data-theme="industrial"] {
    --cps-bg-primary: #18181b;
    --cps-bg-secondary: #27272a;
    --cps-bg-tertiary: #3f3f46;
    --cps-text-primary: #fafafa;
    --cps-text-secondary: #a1a1aa;
    --cps-text-muted: #71717a;
    --cps-border: #3f3f46;
    --cps-border-hover: #52525b;

    --cps-accent: #f59e0b;
    --cps-accent-light: rgba(245, 158, 11, 0.15);
    --cps-accent-dark: #d97706;
    --cps-accent-text: #fbbf24;

    --cps-success-bg: rgba(34, 197, 94, 0.15);
    --cps-success-text: #4ade80;
    --cps-warning-bg: rgba(245, 158, 11, 0.15);
    --cps-warning-text: #fbbf24;
    --cps-error-bg: rgba(239, 68, 68, 0.15);
    --cps-error-text: #f87171;
    --cps-info-bg: rgba(59, 130, 246, 0.15);
    --cps-info-text: #38bdf8;

    --cps-radius-sm: 0;
    --cps-radius-md: 0;
    --cps-radius-lg: 0;

    --cps-shadow-sm: none;
    --cps-shadow-md: none;

    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    border-width: 2px;
}

/* Groups — harsh borders, no rounding */

.cps[data-theme="industrial"] .cps-group {
    border-width: 2px;
    background: var(--cps-bg-secondary);
}

.cps[data-theme="industrial"] .cps-group__header {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
    font-weight: 700;
    border-bottom: 2px solid var(--cps-border);
    background: var(--cps-bg-tertiary);
    color: var(--cps-text-secondary);
}

/* Inputs — dark fields with amber focus glow */

.cps[data-theme="industrial"] .cps-input {
    border-width: 2px;
    background: var(--cps-bg-secondary) !important;
    color: var(--cps-text-primary) !important;
    border-color: var(--cps-border);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.cps[data-theme="industrial"] .cps-input:focus {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.25), 0 0 12px rgba(245, 158, 11, 0.1);
}

/* Select — dark dropdown */

.cps[data-theme="industrial"] .cps-select {
    background-color: var(--cps-bg-secondary) !important;
    color: var(--cps-text-primary) !important;
    border-width: 2px;
    border-color: var(--cps-border);
    background-image: url('data:image/svg+xml;charset=utf-8,%3Csvg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"%3E%3Cpath fill="%23a1a1aa" d="M6 8L1 3h10z"/%3E%3C/svg%3E');
}

.cps[data-theme="industrial"] .cps-select:focus {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.25);
}

/* Checkbox/Radio — dark-adapted hover */

.cps[data-theme="industrial"] .cps-checkbox-wrapper:hover,
.cps[data-theme="industrial"] .cps-radio-wrapper:hover,
.cps[data-theme="industrial"] .cps-radio:hover {
    background: rgba(255, 255, 255, 0.05);
}

.cps[data-theme="industrial"] .cps-checkbox-wrapper input[type="checkbox"],
.cps[data-theme="industrial"] .cps-radio-wrapper input[type="radio"],
.cps[data-theme="industrial"] .cps-radio input[type="radio"] {
    accent-color: var(--cps-accent);
}

/* Range slider */

.cps[data-theme="industrial"] .cps-range {
    accent-color: var(--cps-accent);
}

.cps[data-theme="industrial"] .cps-range-value {
    background: var(--cps-bg-tertiary);
    color: var(--cps-accent-text);
    border: 1px solid var(--cps-border);
}

/* Stepper buttons */

.cps[data-theme="industrial"] .cps-stepper__btn {
    background: var(--cps-bg-secondary);
    border-width: 2px;
    border-color: var(--cps-border);
    color: var(--cps-text-primary);
}

.cps[data-theme="industrial"] .cps-stepper__btn:hover:not(:disabled) {
    background: var(--cps-bg-tertiary);
    border-color: var(--cps-accent);
    color: var(--cps-accent);
}

/* Field nav buttons */

.cps[data-theme="industrial"] .cps-field-nav__btn {
    background: var(--cps-bg-secondary);
    border-width: 2px;
    border-color: var(--cps-border);
    color: var(--cps-text-secondary);
}

.cps[data-theme="industrial"] .cps-field-nav__btn:hover:not(:disabled) {
    background: var(--cps-bg-tertiary);
    color: var(--cps-accent);
}

/* Result section — amber-accented brutalist */

.cps[data-theme="industrial"] .cps-result-section {
    border-width: 2px;
    background: var(--cps-bg-secondary);
}

.cps[data-theme="industrial"] .cps-result-section.is-valid {
    border-color: var(--cps-accent);
    background: var(--cps-bg-secondary);
}

.cps[data-theme="industrial"] .cps-total__value {
    color: var(--cps-accent);
}

.cps[data-theme="industrial"] .cps-price-value {
    color: var(--cps-accent-text);
}

.cps[data-theme="industrial"] .cps-price-total .cps-price-value {
    color: var(--cps-accent);
}

/* Breakdown */

.cps[data-theme="industrial"] .cps-breakdown {
    border-top-color: var(--cps-border);
}

.cps[data-theme="industrial"] .cps-breakdown__line {
    color: var(--cps-text-secondary);
}

/* Output groups */

.cps[data-theme="industrial"] .cps-output-group {
    background: var(--cps-bg-tertiary);
    border-color: var(--cps-border);
    border-width: 2px;
}

/* Tabs — solid amber active state */

.cps[data-theme="industrial"] .cps-tabs {
    border-width: 2px;
}

.cps[data-theme="industrial"] .cps-tabs__btn {
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.8rem;
    font-weight: 600;
    transition: background 150ms ease, color 150ms ease;
}

.cps[data-theme="industrial"] .cps-tabs__btn.is-active {
    background: var(--cps-accent);
    color: var(--cps-bg-primary);
    border-color: var(--cps-accent);
}

/* Accordion — brutalist expansion */

.cps[data-theme="industrial"] .cps-accordion__item {
    border-width: 2px;
    background: var(--cps-bg-secondary);
}

.cps[data-theme="industrial"] .cps-accordion__header {
    transition: background 150ms ease, color 150ms ease;
}

.cps[data-theme="industrial"] .cps-accordion__item.is-expanded .cps-accordion__header {
    background: var(--cps-accent);
    color: var(--cps-bg-primary);
}

.cps[data-theme="industrial"] .cps-accordion__item.is-expanded .cps-accordion__title {
    color: var(--cps-bg-primary);
}

.cps[data-theme="industrial"] .cps-accordion__item.is-expanded .cps-accordion__icon::before,
.cps[data-theme="industrial"] .cps-accordion__item.is-expanded .cps-accordion__icon::after {
    background: var(--cps-bg-primary);
}

/* Swatches — sharp edges, amber selection */

.cps[data-theme="industrial"] .cps-swatch__visual {
    border-radius: 0;
    border-width: 2px;
    border-color: var(--cps-border);
    transition: border-color 150ms ease;
}

.cps[data-theme="industrial"] .cps-swatch__input:checked + .cps-swatch__visual {
    box-shadow: none;
    border-color: var(--cps-accent);
}

.cps[data-theme="industrial"] .cps-swatch__check {
    background: rgba(245, 158, 11, 0.9);
    border-radius: 0;
}

.cps[data-theme="industrial"] .cps-swatch__check::after {
    color: #18181b;
    text-shadow: none;
}

.cps[data-theme="industrial"] .cps-swatch__label {
    color: var(--cps-text-secondary);
}

/* Errors/Warnings — industrial borders */

.cps[data-theme="industrial"] .cps-errors {
    border-width: 2px;
    border-color: var(--cps-error-text);
    background: var(--cps-error-bg);
}

.cps[data-theme="industrial"] .cps-warnings {
    border-width: 2px;
    border-color: var(--cps-warning-text);
    background: var(--cps-warning-bg);
}

/* CTA button — amber, uppercase, brutalist */

.cps[data-theme="industrial"] .cps-add-to-cart {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    background: var(--cps-accent);
    color: var(--cps-bg-primary);
    border: 2px solid var(--cps-accent);
    transition: background 150ms ease, color 150ms ease;
}

.cps[data-theme="industrial"] .cps-add-to-cart:hover:not(:disabled) {
    background: transparent;
    color: var(--cps-accent);
}

/* Refreshing overlay */

.cps[data-theme="industrial"] .cps-refreshing::after {
    background: rgba(24, 24, 27, 0.7);
}

/* =============================================
   25. THEME: MINIMAL
   Ultra-clean modern with subtle shadows
   ============================================= */

.cps[data-theme="minimal"] {
    --cps-bg-primary: #ffffff;
    --cps-bg-secondary: #fafafa;
    --cps-bg-tertiary: #f5f5f5;
    --cps-text-primary: #18181b;
    --cps-text-secondary: #71717a;
    --cps-text-muted: #a1a1aa;
    --cps-border: #f4f4f5;
    --cps-border-hover: #e4e4e7;

    --cps-accent: #64748b;
    --cps-accent-light: #f1f5f9;
    --cps-accent-dark: #475569;
    --cps-accent-text: #475569;

    --cps-radius-sm: 8px;
    --cps-radius-md: 10px;
    --cps-radius-lg: 12px;

    --cps-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --cps-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);

    --cps-spacing-lg: 20px;
    --cps-spacing-xl: 28px;

    border: none;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    background: var(--cps-bg-primary);
}

/* Groups — borderless, background-differentiated */

.cps[data-theme="minimal"] .cps-group {
    border: none;
    background: var(--cps-bg-secondary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    border-radius: var(--cps-radius-lg);
}

.cps[data-theme="minimal"] .cps-group__header {
    font-weight: 500;
    color: var(--cps-text-muted);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    background: transparent;
    border-bottom: none;
    padding-bottom: 4px;
}

/* Inputs — soft, borderless feel */

.cps[data-theme="minimal"] .cps-input {
    border: 1px solid transparent;
    background: var(--cps-bg-tertiary) !important;
    border-radius: var(--cps-radius-sm);
    transition: background 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.cps[data-theme="minimal"] .cps-input:hover {
    background: var(--cps-bg-secondary) !important;
    border-color: var(--cps-border-hover);
}

.cps[data-theme="minimal"] .cps-input:focus {
    background: var(--cps-bg-primary) !important;
    border-color: var(--cps-border-hover);
    box-shadow: 0 0 0 3px rgba(100, 116, 139, 0.08);
}

/* Select — matching soft style */

.cps[data-theme="minimal"] .cps-select {
    border: 1px solid transparent;
    background-color: var(--cps-bg-tertiary) !important;
    border-radius: var(--cps-radius-sm);
    transition: background-color 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.cps[data-theme="minimal"] .cps-select:hover {
    background-color: var(--cps-bg-secondary) !important;
    border-color: var(--cps-border-hover);
}

.cps[data-theme="minimal"] .cps-select:focus {
    background-color: var(--cps-bg-primary) !important;
    border-color: var(--cps-border-hover);
    box-shadow: 0 0 0 3px rgba(100, 116, 139, 0.08);
}

/* Checkbox/Radio — airy hover */

.cps[data-theme="minimal"] .cps-checkbox-wrapper,
.cps[data-theme="minimal"] .cps-radio-wrapper,
.cps[data-theme="minimal"] .cps-radio {
    border-radius: var(--cps-radius-sm);
}

.cps[data-theme="minimal"] .cps-checkbox-wrapper:hover,
.cps[data-theme="minimal"] .cps-radio-wrapper:hover,
.cps[data-theme="minimal"] .cps-radio:hover {
    background: var(--cps-bg-tertiary);
}

/* Range */

.cps[data-theme="minimal"] .cps-range-value {
    background: var(--cps-bg-tertiary);
    border: none;
    border-radius: var(--cps-radius-sm);
}

/* Stepper/Nav — soft buttons */

.cps[data-theme="minimal"] .cps-stepper__btn {
    border: none;
    background: var(--cps-bg-tertiary);
    border-radius: var(--cps-radius-sm);
}

.cps[data-theme="minimal"] .cps-stepper__btn:hover:not(:disabled) {
    background: var(--cps-border-hover);
}

.cps[data-theme="minimal"] .cps-field-nav__btn {
    border: none;
    background: var(--cps-bg-tertiary);
}

.cps[data-theme="minimal"] .cps-field-nav__prev {
    border-radius: var(--cps-radius-sm) 0 0 var(--cps-radius-sm);
}

.cps[data-theme="minimal"] .cps-field-nav__next {
    border-radius: 0 var(--cps-radius-sm) var(--cps-radius-sm) 0;
}

/* Tabs — clean, pill-like */

.cps[data-theme="minimal"] .cps-tabs {
    border: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    border-radius: var(--cps-radius-lg);
    overflow: hidden;
}

.cps[data-theme="minimal"] .cps-tabs__nav {
    background: var(--cps-bg-secondary);
    border-bottom: none;
    padding: 4px;
    gap: 2px;
}

.cps[data-theme="minimal"] .cps-tabs__btn {
    border-radius: var(--cps-radius-sm);
    border: none;
    font-weight: 500;
    transition: background 200ms ease, color 200ms ease;
}

.cps[data-theme="minimal"] .cps-tabs__btn.is-active {
    background: var(--cps-bg-primary);
    color: var(--cps-text-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

/* Accordion — borderless cards */

.cps[data-theme="minimal"] .cps-accordion__item {
    border: none;
    background: var(--cps-bg-secondary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
    border-radius: var(--cps-radius-md);
    overflow: hidden;
}

.cps[data-theme="minimal"] .cps-accordion__header {
    background: transparent;
    transition: background 200ms ease;
}

.cps[data-theme="minimal"] .cps-accordion__header:hover {
    background: var(--cps-bg-tertiary);
}

/* Swatches — rounded, soft */

.cps[data-theme="minimal"] .cps-swatch__visual {
    border-radius: var(--cps-radius-sm);
    border: 1px solid var(--cps-border-hover);
    transition: border-color 200ms ease, box-shadow 200ms ease;
}

.cps[data-theme="minimal"] .cps-swatch__input:checked + .cps-swatch__visual {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 2px rgba(100, 116, 139, 0.15);
}

.cps[data-theme="minimal"] .cps-swatch__check {
    background: var(--cps-accent);
    border-radius: var(--cps-radius-sm);
}

/* Result section — subtle, airy */

.cps[data-theme="minimal"] .cps-result-section {
    border: none;
    background: var(--cps-bg-secondary);
    border-radius: var(--cps-radius-lg);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.cps[data-theme="minimal"] .cps-result-section.is-valid {
    background: var(--cps-bg-secondary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.cps[data-theme="minimal"] .cps-total__value {
    color: var(--cps-text-primary);
    font-weight: 800;
}

.cps[data-theme="minimal"] .cps-price-value {
    color: var(--cps-text-primary);
}

/* Output groups */

.cps[data-theme="minimal"] .cps-output-group {
    border: none;
    background: var(--cps-bg-tertiary);
    border-radius: var(--cps-radius-md);
}

/* CTA button — muted, refined */

.cps[data-theme="minimal"] .cps-add-to-cart {
    border-radius: var(--cps-radius-md);
    background: var(--cps-text-primary);
    color: var(--cps-bg-primary);
    border: none;
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: background 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.cps[data-theme="minimal"] .cps-add-to-cart:hover:not(:disabled) {
    background: var(--cps-accent-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
}

.cps[data-theme="minimal"] .cps-add-to-cart:active:not(:disabled) {
    transform: translateY(0);
}

/* Errors/Warnings — soft */

.cps[data-theme="minimal"] .cps-errors,
.cps[data-theme="minimal"] .cps-warnings {
    border: none;
    border-radius: var(--cps-radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* Dark mode minimal variant */

.dark .cps[data-theme="minimal"] {
    --cps-bg-primary: #18181b;
    --cps-bg-secondary: #27272a;
    --cps-bg-tertiary: #3f3f46;
    --cps-text-primary: #fafafa;
    --cps-text-secondary: #a1a1aa;
    --cps-text-muted: #71717a;
    --cps-border: #3f3f46;
    --cps-border-hover: #52525b;
    --cps-accent: #94a3b8;
    --cps-accent-light: #3f3f46;
    --cps-accent-dark: #cbd5e1;
    --cps-accent-text: #cbd5e1;
}

/* =============================================
   26. THEME: DARK
   Full dark mode with indigo accents
   ============================================= */

.cps[data-theme="dark"],
.dark .cps {
    --cps-bg-primary: #111827;
    --cps-bg-secondary: #1f2937;
    --cps-bg-tertiary: #374151;
    --cps-text-primary: #f9fafb;
    --cps-text-secondary: #d1d5db;
    --cps-text-muted: #9ca3af;
    --cps-border: #374151;
    --cps-border-hover: #4b5563;

    --cps-accent: #818cf8;
    --cps-accent-light: rgba(129, 140, 248, 0.15);
    --cps-accent-dark: #6366f1;
    --cps-accent-text: #a5b4fc;

    --cps-success-bg: rgba(34, 197, 94, 0.15);
    --cps-success-text: #4ade80;
    --cps-warning-bg: rgba(245, 158, 11, 0.15);
    --cps-warning-text: #fbbf24;
    --cps-error-bg: rgba(239, 68, 68, 0.15);
    --cps-error-text: #f87171;
    --cps-info-bg: rgba(99, 102, 241, 0.15);
    --cps-info-text: #a5b4fc;

    --cps-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --cps-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
}

/* Groups — dark cards */

.cps[data-theme="dark"] .cps-group,
.dark .cps .cps-group {
    background: var(--cps-bg-secondary);
    border-color: var(--cps-border);
}

.cps[data-theme="dark"] .cps-group__header,
.dark .cps .cps-group__header {
    background: var(--cps-bg-tertiary);
    border-bottom-color: var(--cps-border);
}

/* Inputs — dark fields with accent focus */

.cps[data-theme="dark"] .cps-input,
.dark .cps .cps-input {
    background: var(--cps-bg-secondary) !important;
    color: var(--cps-text-primary) !important;
    border-color: var(--cps-border);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.cps[data-theme="dark"] .cps-input:hover,
.dark .cps .cps-input:hover {
    border-color: var(--cps-border-hover);
}

.cps[data-theme="dark"] .cps-input:focus,
.dark .cps .cps-input:focus {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.2);
}

.cps[data-theme="dark"] .cps-input::placeholder,
.dark .cps .cps-input::placeholder {
    color: var(--cps-text-muted);
}

/* Select — dark dropdown */

.cps[data-theme="dark"] .cps-select,
.dark .cps .cps-select {
    background-color: var(--cps-bg-secondary) !important;
    color: var(--cps-text-primary) !important;
    border-color: var(--cps-border);
    background-image: url('data:image/svg+xml;charset=utf-8,%3Csvg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"%3E%3Cpath fill="%239ca3af" d="M6 8L1 3h10z"/%3E%3C/svg%3E');
}

.cps[data-theme="dark"] .cps-select:focus,
.dark .cps .cps-select:focus {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.2);
}

/* Checkbox/Radio — dark-adapted */

.cps[data-theme="dark"] .cps-checkbox-wrapper:hover,
.dark .cps .cps-checkbox-wrapper:hover,
.cps[data-theme="dark"] .cps-radio-wrapper:hover,
.dark .cps .cps-radio-wrapper:hover,
.cps[data-theme="dark"] .cps-radio:hover,
.dark .cps .cps-radio:hover {
    background: rgba(255, 255, 255, 0.05);
}

.cps[data-theme="dark"] .cps-checkbox-wrapper input[type="checkbox"],
.dark .cps .cps-checkbox-wrapper input[type="checkbox"],
.cps[data-theme="dark"] .cps-radio-wrapper input[type="radio"],
.dark .cps .cps-radio-wrapper input[type="radio"],
.cps[data-theme="dark"] .cps-radio input[type="radio"],
.dark .cps .cps-radio input[type="radio"] {
    accent-color: var(--cps-accent);
}

/* Range slider */

.cps[data-theme="dark"] .cps-range,
.dark .cps .cps-range {
    accent-color: var(--cps-accent);
}

.cps[data-theme="dark"] .cps-range-value,
.dark .cps .cps-range-value {
    background: var(--cps-bg-tertiary);
    color: var(--cps-text-primary);
}

/* Stepper buttons */

.cps[data-theme="dark"] .cps-stepper__btn,
.dark .cps .cps-stepper__btn {
    background: var(--cps-bg-secondary);
    border-color: var(--cps-border);
    color: var(--cps-text-primary);
}

.cps[data-theme="dark"] .cps-stepper__btn:hover:not(:disabled),
.dark .cps .cps-stepper__btn:hover:not(:disabled) {
    background: var(--cps-bg-tertiary);
    border-color: var(--cps-border-hover);
}

/* Field nav buttons */

.cps[data-theme="dark"] .cps-field-nav__btn,
.dark .cps .cps-field-nav__btn {
    background: var(--cps-bg-secondary);
    border-color: var(--cps-border);
    color: var(--cps-text-secondary);
}

.cps[data-theme="dark"] .cps-field-nav__btn:hover:not(:disabled),
.dark .cps .cps-field-nav__btn:hover:not(:disabled) {
    background: var(--cps-bg-tertiary);
    color: var(--cps-accent);
}

/* Tabs — dark styling */

.cps[data-theme="dark"] .cps-tabs,
.dark .cps .cps-tabs {
    border-color: var(--cps-border);
}

.cps[data-theme="dark"] .cps-tabs__nav,
.dark .cps .cps-tabs__nav {
    background: var(--cps-bg-secondary);
    border-bottom-color: var(--cps-border);
}

.cps[data-theme="dark"] .cps-tabs__btn,
.dark .cps .cps-tabs__btn {
    color: var(--cps-text-secondary);
    transition: color 150ms ease, background 150ms ease;
}

.cps[data-theme="dark"] .cps-tabs__btn:hover,
.dark .cps .cps-tabs__btn:hover {
    color: var(--cps-text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.cps[data-theme="dark"] .cps-tabs__btn.is-active,
.dark .cps .cps-tabs__btn.is-active {
    color: var(--cps-accent);
    background: var(--cps-accent-light);
    border-color: var(--cps-accent);
}

.cps[data-theme="dark"] .cps-tabs__panel,
.dark .cps .cps-tabs__panel {
    background: var(--cps-bg-primary);
}

/* Accordion — dark panels */

.cps[data-theme="dark"] .cps-accordion__item,
.dark .cps .cps-accordion__item {
    border-color: var(--cps-border);
    background: var(--cps-bg-secondary);
}

.cps[data-theme="dark"] .cps-accordion__header,
.dark .cps .cps-accordion__header {
    transition: background 150ms ease;
}

.cps[data-theme="dark"] .cps-accordion__header:hover,
.dark .cps .cps-accordion__header:hover {
    background: rgba(255, 255, 255, 0.04);
}

.cps[data-theme="dark"] .cps-accordion__item.is-expanded .cps-accordion__header,
.dark .cps .cps-accordion__item.is-expanded .cps-accordion__header {
    background: var(--cps-bg-tertiary);
    border-bottom: 1px solid var(--cps-border);
}

/* Swatches — dark-adapted */

.cps[data-theme="dark"] .cps-swatch__visual,
.dark .cps .cps-swatch__visual {
    border-color: var(--cps-border);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}

.cps[data-theme="dark"] .cps-swatch__input:checked + .cps-swatch__visual,
.dark .cps .cps-swatch__input:checked + .cps-swatch__visual {
    border-color: var(--cps-accent);
    box-shadow: 0 0 0 2px rgba(129, 140, 248, 0.3);
}

.cps[data-theme="dark"] .cps-swatch__check,
.dark .cps .cps-swatch__check {
    background: rgba(129, 140, 248, 0.9);
}

.cps[data-theme="dark"] .cps-swatch__label,
.dark .cps .cps-swatch__label {
    color: var(--cps-text-secondary);
}

.cps[data-theme="dark"] .cps-swatch__image:not([style*="background-image"]),
.dark .cps .cps-swatch__image:not([style*="background-image"]) {
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 4px,
        rgba(255, 255, 255, 0.06) 4px,
        rgba(255, 255, 255, 0.06) 5px
    );
}

/* Result section — dark with accent */

.cps[data-theme="dark"] .cps-result-section,
.dark .cps .cps-result-section {
    background: var(--cps-bg-secondary);
    border-color: var(--cps-border);
}

.cps[data-theme="dark"] .cps-result-section.is-valid,
.dark .cps .cps-result-section.is-valid {
    border-color: var(--cps-accent);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(129, 140, 248, 0.05) 100%);
}

.cps[data-theme="dark"] .cps-total__value,
.dark .cps .cps-total__value {
    color: var(--cps-accent);
}

.cps[data-theme="dark"] .cps-price-value,
.dark .cps .cps-price-value {
    color: var(--cps-accent-text);
}

.cps[data-theme="dark"] .cps-price-total .cps-price-value,
.dark .cps .cps-price-total .cps-price-value {
    color: var(--cps-accent);
}

/* Breakdown */

.cps[data-theme="dark"] .cps-breakdown,
.dark .cps .cps-breakdown {
    border-top-color: var(--cps-border);
}

/* Output groups */

.cps[data-theme="dark"] .cps-output-group,
.dark .cps .cps-output-group {
    background: var(--cps-bg-tertiary);
    border-color: var(--cps-border);
}

/* Errors/Warnings */

.cps[data-theme="dark"] .cps-errors,
.dark .cps .cps-errors {
    border-color: var(--cps-error-text);
    background: var(--cps-error-bg);
}

.cps[data-theme="dark"] .cps-warnings,
.dark .cps .cps-warnings {
    border-color: var(--cps-warning-text);
    background: var(--cps-warning-bg);
}

/* CTA button — indigo accent */

.cps[data-theme="dark"] .cps-add-to-cart,
.dark .cps .cps-add-to-cart {
    background: var(--cps-accent-dark);
    color: #ffffff;
    border: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    transition: background 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.cps[data-theme="dark"] .cps-add-to-cart:hover:not(:disabled),
.dark .cps .cps-add-to-cart:hover:not(:disabled) {
    background: var(--cps-accent);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
    transform: translateY(-1px);
}

.cps[data-theme="dark"] .cps-add-to-cart:active:not(:disabled),
.dark .cps .cps-add-to-cart:active:not(:disabled) {
    transform: translateY(0);
}

/* Refreshing overlay */

.cps[data-theme="dark"] .cps-refreshing::after,
.dark .cps .cps-refreshing::after {
    background: rgba(17, 24, 39, 0.6);
}

/* Modifiers */

/* =============================================
   MODIFIERS
   Stackable modifiers applied via cps--{name} classes.
   Convention: key-value (size-compact) or flags (rounded).
   Applied by parser: "corporate.size-compact" → data-theme="corporate" + class="cps--size-compact"
   ============================================= */

/* --- Size: Compact --- */

.cps.cps--size-compact {
    --cps-font-size-xs: 0.65rem;
    --cps-font-size-sm: 0.75rem;
    --cps-font-size-base: 0.8rem;
    --cps-font-size-lg: 0.875rem;
    --cps-font-size-xl: 1rem;

    --cps-spacing-xs: 2px;
    --cps-spacing-sm: 4px;
    --cps-spacing-md: 6px;
    --cps-spacing-lg: 8px;
    --cps-spacing-xl: 12px;

    --cps-radius-sm: 2px;
    --cps-radius-md: 3px;
    --cps-radius-lg: 4px;

    padding: 12px;
    line-height: 1.3;
}

.cps.cps--size-compact .cps-title {
    font-size: var(--cps-font-size-base);
    margin-bottom: 10px;
    padding-bottom: 6px;
}

.cps.cps--size-compact .cps-groups {
    gap: 8px;
}

.cps.cps--size-compact .cps-group__header {
    padding: 6px 10px;
    font-size: 0.7rem;
}

.cps.cps--size-compact .cps-group__body {
    padding: 8px 10px;
}

.cps.cps--size-compact .cps-fields {
    gap: 30px;
}

.cps.cps--size-compact .cps-field {
    gap: 3px;
}

.cps.cps--size-compact .cps-field__label {
    font-size: 0.7rem;
}

.cps.cps--size-compact .cps-input {
    font-size: 0.75rem;
    padding: 5px 8px;
    max-width: 150px;
}

.cps.cps--size-compact .cps-select {
    padding-right: 24px;
    background-size: 10px;
}

.cps.cps--size-compact .cps-stepper {
    gap: 4px;
    max-width: 120px;
}

.cps.cps--size-compact .cps-stepper__btn {
    width: 28px;
    height: 28px;
    font-size: 14px;
}

.cps.cps--size-compact .cps-checkbox {
    width: 14px;
    height: 14px;
}

.cps.cps--size-compact .cps-checkbox-wrapper,
.cps.cps--size-compact .cps-radio-wrapper,
.cps.cps--size-compact .cps-radio {
    padding: 2px;
    gap: 4px;
}

.cps.cps--size-compact .cps-checkbox-wrapper input,
.cps.cps--size-compact .cps-radio-wrapper input,
.cps.cps--size-compact .cps-radio input {
    width: 14px;
    height: 14px;
}

.cps.cps--size-compact .cps-tabs__nav {
    padding: 3px;
    gap: 2px;
}

.cps.cps--size-compact .cps-tabs__btn {
    padding: 3px 8px;
    font-size: 0.65rem;
}

.cps.cps--size-compact .cps-tabs__panel {
    padding: 8px;
}

.cps.cps--size-compact .cps-accordion {
    gap: 4px;
}

.cps.cps--size-compact .cps-accordion__header {
    padding: 6px 10px;
    font-size: 0.625rem;
}

.cps.cps--size-compact .cps-accordion__title {
    font-size: 0.7rem;
}

.cps.cps--size-compact .cps-accordion__icon {
    width: 14px;
    height: 14px;
}

.cps.cps--size-compact .cps-accordion__item.is-expanded .cps-accordion__body {
    padding: 8px 10px;
}

.cps.cps--size-compact .cps-inline {
    padding: 8px;
}

.cps.cps--size-compact .cps-swatch {
    --cps-swatch-size: 36px;
    --cps-swatch-gap: var(--cps-spacing-sm);
}

.cps.cps--size-compact .cps-swatch__option {
    gap: 2px;
}

.cps.cps--size-compact .cps-swatch__visual {
    border-width: 1px;
}

.cps.cps--size-compact .cps-swatch__label {
    font-size: 0.55rem;
    max-width: 40px;
}

.cps.cps--size-compact .cps-swatch__check::after {
    font-size: 1em;
}

.cps.cps--size-compact .cps-range {
    max-width: 120px;
}

.cps.cps--size-compact .cps-range-value {
    min-width: 35px;
    padding: 2px 4px;
    font-size: 0.7rem;
}

.cps.cps--size-compact .cps-quantity-section {
    margin-top: 10px;
    padding-top: 10px;
    gap: var(--cps-spacing-sm);
}

.cps.cps--size-compact .cps-quantity-nav__btn {
    width: 38px;
    padding: 0;
}

.cps.cps--size-compact .cps-field-nav__btn {
    width: 38px;
    padding: 0;
}

.cps.cps--size-compact .cps-quantity-nav .cps-input {
    width: 60px;
    font-size: 0.8rem;
}

.cps.cps--size-compact .cps-quantity-info {
    font-size: 0.7rem;
}

.cps.cps--size-compact .cps-result-section {
    margin-top: 10px;
    padding: 10px;
}

.cps.cps--size-compact .cps-total {
    font-size: 1rem;
}

.cps.cps--size-compact .cps-breakdown {
    margin-top: 8px;
    padding-top: 8px;
}

.cps.cps--size-compact .cps-breakdown__line {
    font-size: 0.7rem;
}

.cps.cps--size-compact .cps-errors,
.cps.cps--size-compact .cps-warnings {
    padding: 6px 8px;
    font-size: 0.7rem;
}

.cps.cps--size-compact .cps-add-to-cart {
    padding: 10px 14px;
}

/* --- Size: Large --- */

.cps.cps--size-large {
    --cps-font-size-xs: 0.875rem;
    --cps-font-size-sm: 1rem;
    --cps-font-size-base: 1.125rem;
    --cps-font-size-lg: 1.25rem;
    --cps-font-size-xl: 1.5rem;

    --cps-spacing-sm: 12px;
    --cps-spacing-md: 16px;
    --cps-spacing-lg: 24px;
    --cps-spacing-xl: 32px;

    padding: 30px;
}

.cps.cps--size-large .cps-group__header {
    font-size: 1rem;
    padding: 16px 20px;
}

.cps.cps--size-large .cps-group__body {
    padding: 20px;
}

.cps.cps--size-large .cps-fields {
    gap: 20px;
}

.cps.cps--size-large .cps-field__label {
    font-size: 1rem;
}

.cps.cps--size-large .cps-input {
    font-size: 1.125rem;
    padding: 14px 18px;
    max-width: none;
}

.cps.cps--size-large .cps-stepper {
    max-width: none;
}

.cps.cps--size-large .cps-stepper__btn {
    width: 50px;
    height: 50px;
    font-size: 24px;
}

.cps.cps--size-large .cps-tabs__btn {
    font-size: 1rem;
    padding: 12px 24px;
}

.cps.cps--size-large .cps-accordion__header {
    padding: 16px 20px;
}

.cps.cps--size-large .cps-accordion__title {
    font-size: 1rem;
}

.cps.cps--size-large .cps-accordion__item.is-expanded .cps-accordion__body {
    padding: 20px;
}

.cps.cps--size-large .cps-inline {
    padding: 20px;
}

.cps.cps--size-large .cps-quantity-nav__btn {
    width: 50px;
    height: 50px;
}

.cps.cps--size-large .cps-quantity-nav .cps-input {
    width: 100px;
    height: 50px;
    font-size: 1.1rem;
}

.cps.cps--size-large .cps-quantity-info {
    font-size: 1rem;
}

.cps.cps--size-large .cps-total {
    font-size: 1.5rem;
}

.cps.cps--size-large .cps-breakdown__line {
    font-size: 1rem;
}

.cps.cps--size-large .cps-checkbox {
    width: 24px;
    height: 24px;
}

.cps.cps--size-large .cps-radio-option input[type="radio"] {
    width: 22px;
    height: 22px;
}

.cps.cps--size-large .cps-checkbox-wrapper input,
.cps.cps--size-large .cps-radio-wrapper input,
.cps.cps--size-large .cps-radio input {
    width: 24px;
    height: 24px;
}

.cps.cps--size-large .cps-swatch {
    --cps-swatch-size: 80px;
    --cps-swatch-gap: var(--cps-spacing-lg);
}

.cps.cps--size-large .cps-swatch__label {
    font-size: var(--cps-font-size-sm);
    max-width: 100px;
}

.cps.cps--size-large .cps-swatch__check::after {
    font-size: 2em;
}

.cps.cps--size-large .cps-range {
    max-width: none;
}

.cps.cps--size-large .cps-range-value {
    font-size: 1rem;
}

.cps.cps--size-large .cps-add-to-cart {
    padding: 18px 24px;
    font-size: 1.2rem;
}

/* --- Flag: Swatch Labels --- */

.cps.cps--swatch-labels {
    --cps-swatch-label: block;
}

/* Overrides & compat */

/* =============================================
   27. RESPONSIVE
   ============================================= */

@media (max-width: 768px) {
    .cps,
    .cps-form-wrapper {
        padding: 16px;
        margin: 16px 0;
    }

    .cps-input {
        max-width: none;
    }

    .cps-stepper {
        max-width: none;
    }

    .cps-total {
        font-size: 1.2rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .cps-quantity-presets {
        justify-content: flex-start;
    }
}

@media (max-width: 640px) {
    .cps-configurator {
        padding: var(--cps-spacing-lg);
        margin: var(--cps-spacing-lg) 0;
    }

    .cps-field input,
    .cps-field select {
        max-width: none;
    }

    .cps-field-group {
        border-radius: var(--cps-radius-sm);
    }

    .cps-group-fields {
        padding: var(--cps-spacing-md);
    }

    .cps-tabs__nav,
    .cps-tabs__header {
        flex-direction: column;
    }

    .cps-tabs__btn,
    .cps-tabs__tab {
        width: 100%;
        text-align: center;
    }

    .cps-swatch {
        justify-content: center;
    }

    .cps-range-wrapper {
        flex-direction: column;
        align-items: stretch;
    }

    .cps-range {
        max-width: none;
    }

    .cps-range-value {
        text-align: left;
    }

    .cps-quantity-section {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--cps-spacing-sm);
    }

    .cps-quantity-section input[type="number"] {
        width: 100%;
    }

    .cps-price-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--cps-spacing-xs);
    }

    .cps-breakdown__line {
        flex-direction: column;
        gap: 2px;
    }

    .cps-output-group__field {
        flex-direction: column;
        gap: 2px;
    }
}

/* =============================================
   28. PRINT (@media print)
   ============================================= */

@media print {
    .cps,
    .cps-form-wrapper,
    .cps-configurator {
        border: 1px solid #ccc;
        box-shadow: none;
        break-inside: avoid;
    }

    .cps-add-to-cart,
    .cps-spinner,
    .cps-loading,
    .cps-refreshing::before,
    .cps-refreshing::after {
        display: none !important;
    }

    .cps-tabs__nav,
    .cps-form-tabs__header,
    .cps-tabs__header {
        display: none;
    }

    .cps-tabs__panel,
    .cps-form-tabs__panel {
        display: block !important;
        border-top: 1px solid #ccc;
        padding-top: var(--cps-spacing-md);
    }

    .cps-accordion__body,
    .cps-accordion__content,
    .cps-accordion-item__content {
        max-height: none !important;
        padding: var(--cps-spacing-md) !important;
        overflow: visible !important;
    }

    .cps-swatch__check {
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }

    .cps-price-display {
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
}

/* =============================================
   29. BACKWARD COMPATIBILITY ALIASES
   (Additional selectors not covered above)
   ============================================= */

/* Magento full-width layout */

.catalog-product-view .cps,
.catalog-product-view .cps-form-wrapper {
    clear: both;
}

/* =============================================
   30. MAGENTO-SPECIFIC
   ============================================= */

/* Hide Magento prices on product listing */

.products-grid .price-box,
.products-list .price-box {
    display: none !important;
}

/* Override default Magento styles */

.cps input[type="number"]::-webkit-inner-spin-button,
.cps input[type="number"]::-webkit-outer-spin-button,
.cps-form-wrapper input[type="number"]::-webkit-inner-spin-button,
.cps-form-wrapper input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cps input[type="number"],
.cps-form-wrapper input[type="number"] {
    -moz-appearance: textfield;
}

.cps button,
.cps-form-wrapper button {
    font-family: inherit;
}

/* Ensure form doesn't inherit unwanted Magento styles */

.cps input,
.cps select,
.cps button,
.cps-form-wrapper input,
.cps-form-wrapper select,
.cps-form-wrapper button {
    font-family: inherit;
    font-size: inherit;
}

/* =============================================
   31. REQUIRED FIELD VALIDATION
   ============================================= */

.cps-required {
    color: #e53e3e;
    font-weight: 600;
}

.cps-field-invalid .cps-input,
.cps-field-invalid .cps-select,
.cps-field-invalid .cps-radio-group,
.cps-field-invalid .cps-swatch {
    border-color: #e53e3e;
    box-shadow: 0 0 0 1px #e53e3e;
}

.cps-field-invalid .cps-field__label {
    color: #e53e3e;
}

/* =============================================
   32. OUTPUT PLACEHOLDERS ([data-cps])
   ============================================= */

[data-cps]:empty { display: none; }

[data-cps-field]:not(:has([data-cps]:not(:empty))) { display: none; }

[data-cps-group]:not(:has([data-cps]:not(:empty))) { display: none; }