/* ═══════════════════════════════════════════════════════════════
   Product Detail Page — Design System
   Hybrid approach: Tailwind handles layout/spacing in Blade,
   this file handles complex components & animations.
   ═══════════════════════════════════════════════════════════════ */

/* ─── Glassmorphism Utility ─────────────────────────────────── */

.pdp-glass {
    background: color-mix(in srgb, var(--c-surface) 65%, transparent);
    backdrop-filter: blur(16px) saturate(1.6);
    -webkit-backdrop-filter: blur(16px) saturate(1.6);
    border: 1px solid color-mix(in srgb, var(--c-border) 40%, transparent);
}

.pdp-glass-strong {
    background: color-mix(in srgb, var(--c-surface) 85%, transparent);
    backdrop-filter: blur(24px) saturate(1.8);
    -webkit-backdrop-filter: blur(24px) saturate(1.8);
    border: 1px solid color-mix(in srgb, var(--c-border) 50%, transparent);
}

/* ─── Image Zoom ────────────────────────────────────────────── */

.pdp-zoom-container {
    position: relative;
    cursor: crosshair;
}

.pdp-zoom-lens {
    position: absolute;
    z-index: 10;
    pointer-events: none;
    border: 2px solid rgba(var(--c-primary-rgb), 0.5);
    border-radius: 8px;
    background: rgba(var(--c-primary-rgb), 0.08);
    box-shadow: 0 0 0 1px rgba(var(--c-primary-rgb), 0.15);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.pdp-zoom-lens.is-active {
    opacity: 1;
}

.pdp-zoom-result {
    position: absolute;
    top: 0;
    inset-inline-start: calc(100% + 1rem);
    z-index: 20;
    width: 400px;
    height: 400px;
    border-radius: 12px;
    border: 1px solid var(--c-border);
    background-color: var(--c-bg);
    background-repeat: no-repeat;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(var(--c-primary-rgb), 0.1);
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.pdp-zoom-result.is-active {
    opacity: 1;
}

/* ─── Lightbox ──────────────────────────────────────────────── */

.pdp-lightbox {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 1rem;
}

.pdp-lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    user-select: none;
    -webkit-user-select: none;
}

.pdp-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.pdp-lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.pdp-lightbox-nav--prev {
    inset-inline-start: 1rem;
}

.pdp-lightbox-nav--next {
    inset-inline-end: 1rem;
}

.pdp-lightbox-close {
    position: absolute;
    top: 1rem;
    inset-inline-end: 1rem;
    z-index: 10;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease;
}

.pdp-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.pdp-lightbox-counter {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

/* ─── Thumbnails ────────────────────────────────────────────── */

.pdp-thumbs {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--c-primary-rgb), 0.3) transparent;
    padding-block: 0.25rem;
}

.pdp-thumbs::-webkit-scrollbar {
    height: 4px;
}

.pdp-thumbs::-webkit-scrollbar-track {
    background: transparent;
}

.pdp-thumbs::-webkit-scrollbar-thumb {
    background: rgba(var(--c-primary-rgb), 0.3);
    border-radius: 999px;
}

.pdp-thumb {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    scroll-snap-align: start;
    border: 2px solid var(--c-border);
    border-radius: 10px;
    background: var(--c-bg);
    cursor: pointer;
    padding: 0.3rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.pdp-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.pdp-thumb:hover,
.pdp-thumb:focus-visible {
    border-color: var(--c-primary);
}

.pdp-thumb.is-active {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px rgba(var(--c-primary-rgb), 0.15);
}

/* ─── Sticky Mobile Cart Bar ────────────────────────────────── */

.pdp-sticky-cart {
    position: fixed;
    inset-inline: 0;
    bottom: 4rem;
    z-index: 790;
    padding: 0.75rem 1rem;
    transform: translateY(calc(100% + 4rem));
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.pdp-sticky-cart.is-visible {
    transform: translateY(0);
}

/* ─── Rating Breakdown ──────────────────────────────────────── */

.pdp-rating-breakdown {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.5rem 0.75rem;
}

.pdp-rating-bar {
    height: 8px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--c-border) 60%, transparent);
    overflow: hidden;
}

.pdp-rating-bar-fill {
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-secondary, var(--c-primary)));
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Accordion ─────────────────────────────────────────────── */

.pdp-accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pdp-accordion-panel.is-open {
    max-height: 3000px;
}

.pdp-accordion-chevron {
    transition: transform 0.3s ease;
}

.pdp-accordion-chevron.is-rotated {
    transform: rotate(180deg);
}

/* ─── Tab Underline Indicator ───────────────────────────────── */

.pdp-tab-btn {
    position: relative;
}

.pdp-tab-btn::after {
    content: '';
    position: absolute;
    bottom: -1px;
    inset-inline-start: 0;
    width: 100%;
    height: 2px;
    background: var(--c-primary);
    border-radius: 2px 2px 0 0;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pdp-tab-btn.is-active::after {
    transform: scaleX(1);
}

/* ─── Social Share ──────────────────────────────────────────── */

.pdp-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--c-border);
    background: var(--c-bg);
    color: var(--c-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.pdp-share-btn:hover,
.pdp-share-btn:focus-visible {
    border-color: var(--c-primary);
    color: var(--c-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--c-primary-rgb), 0.15);
}

.pdp-share-btn--facebook:hover { color: #1877f2; border-color: #1877f2; }
.pdp-share-btn--twitter:hover { color: #000; border-color: #000; }
.pdp-share-btn--whatsapp:hover { color: #25d366; border-color: #25d366; }
.pdp-share-btn--copy:hover { color: var(--c-primary); border-color: var(--c-primary); }

/* ─── Review Card ───────────────────────────────────────────── */

.pdp-review-card {
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-bg);
    padding: 1.25rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.pdp-review-card:hover {
    border-color: color-mix(in srgb, var(--c-primary) 30%, var(--c-border));
    box-shadow: 0 4px 16px rgba(var(--c-primary-rgb), 0.06);
}

/* ─── Review Image Lightbox ─────────────────────────────────── */

.pdp-review-lightbox {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 1rem;
    cursor: pointer;
}

.pdp-review-lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
}

/* ─── Trust Badge ───────────────────────────────────────────── */

.pdp-trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
    padding: 1rem 0.75rem;
    border-radius: 12px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.pdp-trust-badge:hover {
    border-color: color-mix(in srgb, var(--c-primary) 30%, var(--c-border));
    transform: translateY(-2px);
}

.pdp-trust-badge-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(var(--c-primary-rgb), 0.1), rgba(var(--c-primary-rgb), 0.05));
    color: var(--c-primary);
}

/* ─── Related Product Card ──────────────────────────────────── */

.pdp-related-card {
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-surface);
    overflow: hidden;
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.pdp-related-card:hover {
    border-color: color-mix(in srgb, var(--c-primary) 30%, var(--c-border));
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(var(--c-primary-rgb), 0.08);
}

.pdp-related-card img {
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.pdp-related-card:hover img {
    transform: scale(1.08);
}

/* ─── GSAP Animation Initial States ─────────────────────────── */

.pdp-gallery,
.pdp-info {
    will-change: transform, opacity;
}

/* ─── Focus Visible ─────────────────────────────────────────── */

.pdp :focus-visible {
    outline: 3px solid rgba(var(--c-primary-rgb), 0.4);
    outline-offset: 2px;
}

/* ─── Star Rating Input ─────────────────────────────────────── */

.pdp-star-input {
    display: flex;
    gap: 0.25rem;
}

.pdp-star-input label {
    cursor: pointer;
    font-size: 1.75rem;
    color: var(--c-border);
    transition: color 0.15s ease, transform 0.15s ease;
    line-height: 1;
}

.pdp-star-input label:hover,
.pdp-star-input label:hover ~ label {
    transform: scale(1.15);
}

.pdp-star-input input:checked + label {
    color: #f59e0b;
}

.pdp-star-input input:checked ~ input + label {
    color: var(--c-border);
}

.pdp-star-input:has(input:checked) label:not(input:checked ~ input + label) {
    color: var(--c-border);
}

.pdp-star-input label:has(~ label input:checked),
.pdp-star-input input:checked + label {
    color: #f59e0b;
}

/* ─── Responsive ────────────────────────────────────────────── */

@media (max-width: 767px) {
    .pdp-zoom-result {
        display: none;
    }

    .pdp-zoom-lens {
        display: none;
    }

    .pdp-sticky-cart {
        bottom: 4rem;
    }

    .pdp-thumbs {
        gap: 0.4rem;
    }

    .pdp-thumb {
        width: 60px;
        height: 60px;
    }
}

@media (min-width: 768px) {
    .pdp-thumbs {
        flex-wrap: wrap;
        overflow-x: visible;
    }

    .pdp-thumb {
        width: 76px;
        height: 76px;
    }
}

@media (min-width: 1024px) {
    .pdp-sticky-cart {
        display: none !important;
    }

    .pdp-zoom-result {
        width: 420px;
        height: 420px;
    }
}

@media (min-width: 1280px) {
    .pdp-zoom-result {
        width: 480px;
        height: 480px;
    }
}

/* ─── Reduced Motion ────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    .pdp *,
    .pdp *::before,
    .pdp *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .pdp-rating-bar-fill {
        transition: none !important;
    }

    .pdp-gallery,
    .pdp-info,
    .pdp-trust-badge,
    .pdp-related-card {
        opacity: 1 !important;
        transform: none !important;
    }
}