.wc-customizer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.wc-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 16px;
}

/* ---- Preview column ---- */
.wc-preview-column {
    position: sticky;
    top: 20px;
    align-self: start;
}

.wc-preview-stage {
    position: relative;
    background: radial-gradient(ellipse at 50% 40%, #ffffff 0%, #f1f1f6 55%, #e9e9f2 100%);
    border: 1px solid var(--border, #e4e4e7);
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    box-shadow: 0 20px 40px -12px rgba(30, 20, 60, 0.18), inset 0 1px 0 rgba(255,255,255,0.6);
    perspective: 1200px;
}

    .wc-preview-stage::after {
        content: "";
        position: absolute;
        left: 50%;
        bottom: 6%;
        width: 55%;
        height: 8%;
        background: radial-gradient(ellipse, rgba(30,20,60,0.18) 0%, rgba(30,20,60,0) 72%);
        transform: translateX(-50%);
        pointer-events: none;
        z-index: 0;
    }

.wc-tilt-hint {
    position: absolute;
    top: 10px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
    background: rgba(20,15,35,0.55);
    color: #fff;
    font-size: 0.68rem;
    padding: 5px 10px;
    border-radius: 20px;
    letter-spacing: 0.02em;
    opacity: 0.85;
    pointer-events: none;
    z-index: 3;
    transition: opacity 0.3s ease;
}

.wc-preview-stage:hover .wc-tilt-hint {
    opacity: 0;
}

.wc-preview-image-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    transform: rotateY(var(--wc-tilt-x, 0deg)) rotateX(var(--wc-tilt-y, 0deg)) scale(var(--wc-tilt-scale, 1));
    transform-style: preserve-3d;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.wc-preview-base {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 18px 22px rgba(20,15,35,0.22));
    transition: opacity 0.25s ease, filter 0.25s ease;
}

.wc-preview-logo {
    position: absolute;
    width: 18%;
    max-width: 90px;
    object-fit: contain;
}

.wc-logo-pos-leftchest {
    top: 28%;
    left: 32%;
}

.wc-logo-pos-rightchest {
    top: 28%;
    right: 32%;
}

.wc-logo-pos-sleeve {
    top: 55%;
    left: 12%;
}

.wc-logo-pos-back {
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
}

.wc-preview-text {
    position: absolute;
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
    pointer-events: none;
}

    .wc-preview-text.wc-logo-pos-leftchest {
        top: 38%;
        left: 28%;
    }

    .wc-preview-text.wc-logo-pos-rightchest {
        top: 38%;
        right: 20%;
    }

    .wc-preview-text.wc-logo-pos-sleeve {
        top: 62%;
        left: 8%;
    }

    .wc-preview-text.wc-logo-pos-back {
        top: 32%;
        left: 50%;
        transform: translateX(-50%);
    }

.wc-preview-loading {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 0.75rem;
    padding: 4px 12px;
    border-radius: 20px;
}

.wc-thumb-row {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.wc-thumb {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 10px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.2s ease, box-shadow 0.2s ease;
    background: #fff;
}

    .wc-thumb:hover,
    .wc-thumb:focus-visible {
        border-color: var(--primary, #6c5ce7);
        outline: none;
        transform: translateY(-3px);
        box-shadow: 0 6px 14px rgba(108, 92, 231, 0.25);
    }

    .wc-thumb.active {
        border-color: var(--primary, #6c5ce7);
        box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
    }

/* ---- Options column ---- */
.wc-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.wc-subtitle {
    color: var(--text-muted, #6b7280);
    margin-bottom: 16px;
}

.wc-price-box {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 12px;
}

.wc-final-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary, #6c5ce7);
    transition: transform 0.2s ease;
}

    .wc-final-price.wc-price-pulse {
        animation: wc-price-pop 0.4s ease;
    }

@keyframes wc-price-pop {
    0% {
        transform: scale(1);
    }

    40% {
        transform: scale(1.12);
        color: #8a7bf0;
    }

    100% {
        transform: scale(1);
    }
}

.wc-fee-note {
    font-size: 0.85rem;
    color: var(--text-muted, #6b7280);
}

.wc-alert {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.875rem;
    margin-bottom: 16px;
    background: #fff8e1;
    color: #8a6d00;
    border: 1px solid #ffe58f;
}

.wc-alert-success {
    background: #eafaf1;
    color: #1e7e4c;
    border-color: #a8e6c1;
}

.wc-alert-error {
    background: #fdecea;
    color: #a12622;
    border-color: #f5c2c0;
}

.wc-section {
    border: 1px solid var(--border, #e4e4e7);
    border-radius: 10px;
    padding: 18px;
    margin-bottom: 20px;
}

.wc-section-title {
    font-weight: 700;
    font-size: 1rem;
    padding: 0 6px;
}

.wc-field {
    margin-bottom: 14px;
}

    .wc-field label {
        display: block;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 4px;
    }

    .wc-field .form-control {
        width: 100%;
    }

.wc-color-input {
    height: 42px;
    padding: 4px;
    cursor: pointer;
}

.wc-check-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

    .wc-check-row label {
        font-weight: 600;
    }

.wc-field-error {
    color: #c0392b;
    font-size: 0.8rem;
    margin-top: 4px;
}

.wc-logo-thumb {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border: 1px solid var(--border, #e4e4e7);
    border-radius: 6px;
    margin-top: 8px;
    padding: 4px;
    background: #fff;
}

.wc-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px;
}

.wc-qty-field {
    max-width: 100px;
    margin-bottom: 0;
}

.wc-actions .btn {
    flex: 1;
    min-width: 220px;
}

.wc-actions .wc-field-error {
    flex-basis: 100%;
}

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

/* ---- Responsive ---- */
@media (max-width: 992px) {
    .wc-layout {
        grid-template-columns: 1fr;
    }

    .wc-preview-column {
        position: static;
    }
}

@media (max-width: 576px) {
    .wc-customizer {
        padding: 12px;
    }

    .wc-section {
        padding: 14px;
    }

    .wc-actions .btn {
        min-width: 100%;
    }
}

/* ---- Accessibility ---- */
.wc-customizer :focus-visible {
    outline: 3px solid var(--primary, #6c5ce7);
    outline-offset: 2px;
}