/*
 * UN-IKO.it - Product Customizer Styles
 * Fabric.js based product personalizer - Full viewport layout
 */

/* ==========================================================================
   Page-level overrides: hide footer, nav bar, reduce padding
   ========================================================================== */

.page-customizer .header-nav { display: none; }
.page-customizer .site-footer,
.page-customizer footer { display: none; }
.page-customizer .site-content {
    padding-top: 0;
    padding-bottom: 0;
}

/* ==========================================================================
   Layout - Full viewport, no scroll
   ========================================================================== */

.customizer {
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--header-main-height, 128px));
    overflow: hidden;
}

/* Topbar - back link, right under header */
.customizer__topbar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 8px 24px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
}

/* Main flex row: canvas + controls */
.customizer__main {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.customizer__canvas-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px 24px;
    background: var(--color-bg-gray);
    min-width: 0;
    overflow: hidden;
}

.customizer__controls-panel {
    flex: 0 0 460px;
    max-width: 460px;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--color-border);
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

/* Product header - title + price at top of controls */
.customizer__product-header {
    flex-shrink: 0;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--color-border-light);
}

/* ==========================================================================
   Canvas Area
   ========================================================================== */

.customizer__back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.2s;
}

.customizer__back-link:hover {
    color: var(--color-heading);
}

.customizer__product-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-heading);
    margin: 0 0 4px;
}

.customizer__canvas-wrap {
    position: relative;
    width: 100%;
    max-width: 728px;
    background: #fff;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-round);
    overflow: hidden;
    flex-shrink: 1;
    min-height: 0;
}

/* Fabric.js container */
.customizer__canvas-wrap .canvas-container {
    max-width: 100% !important;
}

.customizer__canvas-info {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 10px;
    flex-shrink: 0;
}

.customizer__price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-darker);
}

.customizer__hint {
    font-size: 0.75rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ==========================================================================
   Controls - Scrollable area + sticky nav
   ========================================================================== */

.customizer__controls-scroll {
    flex: 1 1 0;
    overflow-y: auto;
    padding: 20px 24px 16px;
    min-height: 0;
}

/* Step Indicators */
.customizer__steps-nav {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-light);
}

.customizer__step-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: var(--border-radius-circle);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.customizer__step-indicator:hover {
    background: var(--color-bg-gray);
}

.customizer__step-indicator.is-active {
    background: var(--color-primary-alpha-24);
}

.customizer__step-indicator.is-active .customizer__step-number {
    background: var(--color-primary);
    color: var(--color-heading);
}

.customizer__step-indicator.is-completed .customizer__step-number {
    background: var(--color-success);
    color: #fff;
}

.customizer__step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-border);
    color: var(--color-text-light);
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.customizer__step-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    transition: width 0.2s ease, opacity 0.2s ease;
    overflow: hidden;
}

.customizer__step-indicator.is-collapsed {
    padding: 6px;
    gap: 0;
}

.customizer__step-indicator.is-collapsed .customizer__step-label {
    width: 0;
    opacity: 0;
    font-size: 0;
    margin: 0;
    padding: 0;
}

.customizer__step-indicator.is-active .customizer__step-label {
    color: var(--color-heading);
    font-weight: 600;
}

.customizer__step-divider {
    flex: 0 0 12px;
    height: 2px;
    background: var(--color-border);
    margin: 0 2px;
}

/* ==========================================================================
   Step Panels
   ========================================================================== */

.customizer__steps-content {
    flex: 1;
}

.customizer__step-panel {
    display: none;
}

.customizer__step-panel.is-active {
    display: block;
    animation: customizerFadeIn 0.25s ease;
}

@keyframes customizerFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.customizer__step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 6px;
}

.customizer__step-desc {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

/* ==========================================================================
   Color Palette
   ========================================================================== */

.customizer__color-palette {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}

.customizer__color-btn {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 3px solid var(--color-border);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    min-width: 32px;
    max-width: 44px;
}

.customizer__color-btn:hover {
    transform: scale(1.1);
    border-color: var(--color-text);
}

.customizer__color-btn.is-selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-alpha-48);
    transform: scale(1.1);
}

.customizer__color-btn[data-color="#ffffff"],
.customizer__color-btn[data-color="#fff"] {
    border-color: var(--color-border);
}

.customizer__color-selected {
    font-size: 13px;
    color: var(--color-text);
    padding: 8px 0;
}

.customizer__color-selected span:last-child {
    font-weight: 600;
    color: var(--color-heading);
}

.customizer__color-remove {
    margin-left: 8px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-light);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.customizer__color-remove:hover {
    border-color: #dc2626;
    color: #dc2626;
}

/* Step action (remove buttons) */
.customizer__step-action {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--color-border);
}

.customizer__remove-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-light);
    font-size: 13px;
    font-weight: 500;
    padding: 4px 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.customizer__remove-btn:hover {
    border-color: #dc2626;
    color: #dc2626;
}

.customizer__remove-btn svg {
    flex-shrink: 0;
}

/* Text color palette */
.customizer__text-color-palette {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.customizer__text-color-btn {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 3px solid var(--color-border);
    min-width: 32px;
    max-width: 44px;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.customizer__text-color-btn:hover {
    transform: scale(1.1);
    border-color: var(--color-text);
}

.customizer__text-color-btn.is-selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-alpha-48);
    transform: scale(1.1);
}

.customizer__text-color-btn[data-color="#ffffff"],
.customizer__text-color-btn[data-color="#fff"],
.customizer__text-color-btn[data-color="#FFFFFF"] {
    border-color: var(--color-border);
}

/* Text mode toggle (stampato/ricamato) */
.customizer__text-mode-toggle {
    display: flex;
    gap: 6px;
}

.customizer__text-mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg);
    color: var(--color-text-light);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.customizer__text-mode-btn:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

.customizer__text-mode-btn.is-active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

.customizer__text-mode-btn svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Sections & Divider (Step 1 Color/Image)
   ========================================================================== */

.customizer__section {
    margin-bottom: 16px;
}

.customizer__divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 12px 0;
    color: var(--color-text-light);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.customizer__divider::before,
.customizer__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* ==========================================================================
   Upload Area
   ========================================================================== */

.customizer__upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius-round);
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    background: var(--color-bg);
}

.customizer__upload-area:hover,
.customizer__upload-area.is-dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-alpha-12);
}

.customizer__upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-light);
}

.customizer__upload-placeholder svg {
    opacity: 0.4;
    width: 36px;
    height: 36px;
}

.customizer__upload-placeholder span {
    font-size: 14px;
    font-weight: 500;
}

.customizer__upload-placeholder small {
    font-size: 11px;
    color: var(--color-text-lighter);
}

.customizer__upload-hidden {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.customizer__upload-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    padding: 10px;
    background: var(--color-bg-gray);
    border-radius: var(--border-radius-round);
}

.customizer__upload-preview img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    border-radius: var(--border-radius);
    background: #fff;
}

/* ==========================================================================
   Text Controls (compact)
   ========================================================================== */

.customizer__step-panel .form-group {
    margin-bottom: 14px;
}

.customizer__step-panel .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-heading);
    margin-bottom: 4px;
}

.customizer__step-panel .form-control {
    width: 100%;
    height: var(--input-height-medium);
    padding: 0 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.customizer__step-panel .form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

.customizer__step-panel select.form-control {
    appearance: auto;
}

/* Slider */
.customizer__slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--color-border);
    outline: none;
    cursor: pointer;
}

.customizer__slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-primary-darker);
    cursor: pointer;
    transition: transform 0.15s;
}

.customizer__slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.customizer__slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-primary-darker);
    cursor: pointer;
}

/* Color input */
.customizer__color-input {
    width: 52px;
    height: 36px;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    padding: 2px;
    background: transparent;
}

/* ==========================================================================
   Zoom sul prodotto
   ========================================================================== */

.customizer__zoom {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    flex-shrink: 0;
}

.customizer__zoom-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1;
    color: #132744;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
}

.customizer__zoom-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    background: #f7fee7;
}

.customizer__zoom-btn:disabled,
.customizer__zoom-reset:disabled {
    opacity: 0.45;
    cursor: default;
}

.customizer__zoom-level {
    min-width: 52px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: #132744;
}

.customizer__zoom-reset {
    height: 36px;
    padding: 0 12px;
    font-size: 13px;
    color: #132744;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
}

.customizer__zoom-reset:hover:not(:disabled) {
    border-color: var(--color-primary);
    background: #f7fee7;
}

/* ==========================================================================
   Step "Condizioni" - accettazione dei termini
   ========================================================================== */

.customizer__terms {
    margin-top: 4px;
}

.customizer__term {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    padding: 14px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius);
    background: #fafafa;
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s;
}

.customizer__term:hover {
    border-color: var(--color-primary);
}

.customizer__term:has(input:checked) {
    border-color: var(--color-primary);
    background: #f7fee7;
}

.customizer__term input {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.customizer__term-title {
    display: block;
    font-size: 14px;
    color: #132744;
    margin-bottom: 4px;
}

.customizer__term-text {
    display: block;
    font-size: 12.5px;
    line-height: 1.6;
    color: #6b7280;
}

.customizer__terms.has-error .customizer__term:has(input:not(:checked)) {
    border-color: #dc2626;
    background: #fef2f2;
}

.customizer__terms.has-error .customizer__term input:not(:checked) {
    outline: 2px solid #dc2626;
    outline-offset: 2px;
}

.customizer__terms-error {
    font-size: 12.5px;
    font-weight: 600;
    color: #dc2626;
}

/* ==========================================================================
   Navigation Buttons - Sticky at bottom of controls
   ========================================================================== */

.customizer__nav {
    display: flex;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--color-border-light);
    background: #fff;
    flex-shrink: 0;
}

.customizer__nav .btn {
    flex: 1;
}

.customizer__nav #customizer-add-to-cart-btn {
    flex: 2;
}

/* Variation info bar */
.customizer__variation-info {
    margin: 0 0 12px;
    padding: 10px 14px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 8px;
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.customizer__variation-info strong {
    font-weight: 600;
}

.customizer__variation-price {
    font-weight: 600;
}

/* Button aliases for customizer */
.btn-outline {
    background: transparent;
    border: 2px solid var(--color-border);
    color: var(--color-text);
    height: var(--button-height-medium);
    padding: 0 20px;
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-outline:hover {
    border-color: var(--color-heading);
    color: var(--color-heading);
}

.btn-sm {
    height: var(--button-height-small);
    padding: 0 14px;
    font-size: 13px;
}

/* ==========================================================================
   Loading State
   ========================================================================== */

.customizer__loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: var(--border-radius-round);
}

.customizer__spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: customizerSpin 0.8s linear infinite;
}

@keyframes customizerSpin {
    to { transform: rotate(360deg); }
}

/* ==========================================================================
   Screen Reader Only
   ========================================================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Suggested Assets (Supplier Libraries)
   ========================================================================== */

.customizer__suggestions {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #eee;
}

.customizer__suggestion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 6px;
    margin-top: 6px;
}

.customizer__suggestion-btn {
    aspect-ratio: 1;
    border: 2px solid #ddd;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    padding: 0;
    background: #fff;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.customizer__suggestion-btn:hover {
    border-color: var(--color-primary, #0066ff);
    transform: scale(1.05);
}

.customizer__suggestion-btn.is-selected {
    border-color: var(--color-primary, #0066ff);
    box-shadow: 0 0 0 2px rgba(0, 102, 255, 0.3);
}

.customizer__suggestion-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================================================
   Responsive - Tablet (max-width: 1199px)
   ========================================================================== */

@media (max-width: 1199px) {
    .customizer__controls-panel {
        flex: 0 0 400px;
        max-width: 400px;
    }

    .customizer__color-palette {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================================================
   Responsive - Small desktop (max-width: 991px)
   ========================================================================== */

@media (max-width: 991px) {
    .customizer__controls-panel {
        flex: 0 0 360px;
        max-width: 360px;
    }
}

/* ==========================================================================
   Responsive - Mobile (max-width: 767px)
   ========================================================================== */

@media (max-width: 767px) {
    .customizer {
        height: auto;
        overflow: visible;
    }

    .customizer__topbar {
        padding: 6px 16px;
    }

    .customizer__main {
        flex-direction: column;
        overflow: visible;
    }

    .customizer__canvas-panel {
        padding: 16px;
        background: var(--color-bg-gray);
    }

    .customizer__canvas-wrap {
        max-width: 100%;
    }

    .customizer__controls-panel {
        flex: none;
        max-width: 100%;
        width: 100%;
        border-left: none;
        border-top: 1px solid var(--color-border);
        height: auto;
        overflow: visible;
    }

    .customizer__product-header {
        padding: 16px 16px 12px;
    }

    .customizer__controls-scroll {
        overflow: visible;
        padding: 16px 16px 0;
    }

    .customizer__steps-nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .customizer__step-indicator {
        padding: 4px 8px;
    }

    .customizer__step-label {
        font-size: 12px;
    }

    .customizer__step-number {
        width: 24px;
        height: 24px;
        font-size: 11px;
    }

    .customizer__color-palette {
        grid-template-columns: repeat(6, 1fr);
        gap: 6px;
    }

    .customizer__nav {
        padding: 12px 16px;
        flex-wrap: wrap;
    }

    .customizer__nav .btn {
        min-width: calc(50% - 5px);
    }

    .customizer__nav #customizer-add-to-cart-btn {
        flex-basis: 100%;
    }
}

/* ==========================================================================
   Responsive - Small Mobile (max-width: 479px)
   ========================================================================== */

@media (max-width: 479px) {
    .customizer__color-palette {
        grid-template-columns: repeat(4, 1fr);
    }

    .customizer__upload-area {
        padding: 20px 10px;
    }

    .customizer__upload-placeholder svg {
        width: 28px;
        height: 28px;
    }

    .customizer__suggestion-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}