/* =========================================================
   Product Detail Page - Optimized Glassmorphism
   Namespace: pdetail-
========================================================= */

body {
    margin: 0;
    padding: 0;
    font-family: vazir !important;
}

.pdetail-page {
    --pdetail-bg: #f0f2f8;
    --pdetail-primary: #7FA6E8;
    --pdetail-primary-dark: #18214A;
    --pdetail-accent: #D8B7BF;
    --pdetail-text-main: #18214A;
    --pdetail-text-muted: #586385;
    --pdetail-white: #ffffff;

    --pdetail-glass-bg: rgba(255, 255, 255, 0.52);
    --pdetail-glass-bg-strong: rgba(255, 255, 255, 0.68);
    --pdetail-glass-border: rgba(255, 255, 255, 0.62);

    --pdetail-radius-lg: 34px;
    --pdetail-radius-md: 22px;
    --pdetail-radius-sm: 16px;

    --pdetail-shadow-lg: 0 18px 44px rgba(24, 33, 74, 0.10);
    --pdetail-shadow-md: 0 12px 28px rgba(24, 33, 74, 0.08);
    --pdetail-shadow-sm: 0 8px 18px rgba(24, 33, 74, 0.06);

    position: relative;
    min-height: 100vh;
    padding: 42px 16px 70px;
    direction: rtl;
    font-family: inherit;

    background:
        radial-gradient(circle at top right, rgba(127, 166, 232, 0.16), transparent 30%),
        radial-gradient(circle at bottom left, rgba(216, 183, 191, 0.18), transparent 32%),
        linear-gradient(135deg, #eef3fb 0%, #f8fbff 48%, #edf1f8 100%);

    overflow: hidden;
}

/* =========================================================
   Background Decoration - Lightweight
========================================================= */

.pdetail-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

/* 
   به‌جای blur سنگین 62px، از دایره‌های نرم بدون filter استفاده شده.
   نتیجه: ظاهر لطیف حفظ می‌شود، GPU هم کمتر آه می‌کشد.
*/
.pdetail-blob {
    position: absolute;
    display: block;
    border-radius: 999px;
    opacity: 0.22;
    filter: none;
    pointer-events: none;
}

.pdetail-blob-one {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(175, 199, 246, 0.45), transparent 68%);
    top: -110px;
    right: -95px;
}

.pdetail-blob-two {
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(216, 183, 191, 0.38), transparent 70%);
    left: -130px;
    bottom: 6%;
}

.pdetail-blob-three {
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(127, 166, 232, 0.30), transparent 68%);
    right: 38%;
    top: 36%;
    opacity: 0.16;
}

.pdetail-container {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    margin: 0 auto;
}

/* =========================================================
   Breadcrumb
========================================================= */

.pdetail-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    margin-bottom: 22px;
    font-size: 0.9rem;
    color: var(--pdetail-text-muted);
}

.pdetail-breadcrumb-link {
    color: var(--pdetail-text-muted);
    text-decoration: none;
    transition: color 0.18s ease;
}

.pdetail-breadcrumb-link:hover {
    color: var(--pdetail-primary-dark);
}

.pdetail-breadcrumb-separator {
    opacity: 0.55;
}

.pdetail-breadcrumb-current {
    color: var(--pdetail-primary-dark);
    font-weight: 800;
}

/* =========================================================
   Main Card
========================================================= */

.pdetail-main-card {
    display: grid;
    grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
    gap: 30px;
    padding: 24px;
    border-radius: var(--pdetail-radius-lg);

    background: var(--pdetail-glass-bg);
    border: 1px solid var(--pdetail-glass-border);
    box-shadow: var(--pdetail-shadow-lg);

    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* =========================================================
   Gallery
========================================================= */

.pdetail-gallery {
    min-width: 0;
}

.pdetail-main-image-box {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    height: 490px;

    background:
        linear-gradient(135deg, rgba(127, 166, 232, 0.16), rgba(216, 183, 191, 0.18)),
        rgba(255, 255, 255, 0.42);

    border: 1px solid rgba(255, 255, 255, 0.58);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
}

.pdetail-main-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    transition: transform 0.28s ease;
}

.pdetail-main-image-box:hover .pdetail-main-image {
    transform: scale(1.035);
}

/* Badge */
.pdetail-product-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 2;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 36px;
    padding: 8px 15px;
    border-radius: 999px;

    color: #fff;
    background: rgba(24, 33, 74, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.28);

    font-size: 0.78rem;
    font-weight: 900;

    box-shadow: 0 8px 18px rgba(24, 33, 74, 0.16);

    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* =========================================================
   Thumbnails
========================================================= */

.pdetail-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 13px;
    margin-top: 14px;
}

.pdetail-thumb {
    position: relative;
    height: 96px;
    padding: 0;
    overflow: hidden;
    border-radius: 18px;

    border: 1px solid rgba(255, 255, 255, 0.58);
    background: rgba(255, 255, 255, 0.48);
    cursor: pointer;

    box-shadow: var(--pdetail-shadow-sm);

    transition:
        border-color 0.18s ease,
        box-shadow 0.18s ease,
        opacity 0.18s ease;
}

.pdetail-thumb img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.pdetail-thumb:hover {
    border-color: rgba(127, 166, 232, 0.85);
    box-shadow: 0 10px 24px rgba(24, 33, 74, 0.10);
}

.pdetail-thumb.is-active {
    border-color: var(--pdetail-primary-dark);
    box-shadow: 0 0 0 3px rgba(127, 166, 232, 0.22);
}

/* =========================================================
   Info
========================================================= */

.pdetail-info {
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 8px 4px;
}

.pdetail-category {
    width: fit-content;
    margin-bottom: 14px;
    padding: 8px 14px;
    border-radius: 999px;

    color: var(--pdetail-primary-dark);
    background: rgba(127, 166, 232, 0.18);
    border: 1px solid rgba(127, 166, 232, 0.26);

    font-size: 0.82rem;
    font-weight: 900;
}

.pdetail-title {
    margin: 0 0 15px;
    color: var(--pdetail-text-main);
    font-size: clamp(1.75rem, 3vw, 2.65rem);
    font-weight: 950;
    line-height: 1.35;
    letter-spacing: -0.03em;
}

.pdetail-short-desc {
    margin: 0 0 24px;
    color: var(--pdetail-text-muted);
    font-size: 1rem;
    line-height: 2;
}

/* =========================================================
   Meta
========================================================= */

.pdetail-meta-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.pdetail-meta-box {
    padding: 15px 14px;
    border-radius: 20px;

    background: rgba(255, 255, 255, 0.58);
    border: 1px solid rgba(255, 255, 255, 0.62);
    box-shadow: var(--pdetail-shadow-sm);
}

.pdetail-meta-label {
    display: block;
    margin-bottom: 7px;
    color: var(--pdetail-text-muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.pdetail-meta-value,
.pdetail-price {
    display: block;
    color: var(--pdetail-primary-dark);
    font-size: 0.98rem;
    font-weight: 950;
}

.pdetail-price {
    white-space: nowrap;
}

.pdetail-in-stock {
    color: #16824f;
}

/* =========================================================
   Actions
========================================================= */

.pdetail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
    width: 100%;
    max-width: 100%;
    margin-top: auto;
    margin-bottom: 16px;
}

.pdetail-primary-btn,
.pdetail-secondary-btn {
    box-sizing: border-box;
    max-width: 100%;
    min-width: 0;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 50px;
    padding: 13px 22px;
    border-radius: 17px;

    text-align: center;
    white-space: normal;
    text-decoration: none;

    font-size: 0.94rem;
    font-weight: 900;

    transition:
        background-color 0.18s ease,
        color 0.18s ease,
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}

.pdetail-primary-btn {
    color: #fff;
    background: var(--pdetail-primary-dark);
    box-shadow: 0 10px 24px rgba(24, 33, 74, 0.16);
}

.pdetail-primary-btn:hover {
    background: var(--pdetail-primary);
    box-shadow: 0 12px 28px rgba(127, 166, 232, 0.24);
}

.pdetail-secondary-btn {
    color: var(--pdetail-primary-dark);
    background: rgba(255, 255, 255, 0.52);
    border: 1px solid rgba(255, 255, 255, 0.68);
}

.pdetail-secondary-btn:hover {
    border-color: rgba(127, 166, 232, 0.85);
    background: rgba(255, 255, 255, 0.72);
}

.pdetail-note {
    margin: 0;
    padding: 13px 15px;
    border-radius: 18px;

    color: var(--pdetail-text-muted);
    background: rgba(255, 255, 255, 0.44);
    border: 1px dashed rgba(24, 33, 74, 0.18);

    font-size: 0.86rem;
    line-height: 1.8;
}

/* =========================================================
   Content Sections
========================================================= */

.pdetail-content-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 22px;
    margin-top: 24px;
}

.pdetail-section-card,
.pdetail-extra-card {
    padding: 24px;
    border-radius: 28px;

    background: rgba(255, 255, 255, 0.54);
    border: 1px solid var(--pdetail-glass-border);
    box-shadow: var(--pdetail-shadow-md);

    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.pdetail-section-title {
    position: relative;
    margin: 0 0 18px;
    padding-bottom: 12px;

    color: var(--pdetail-primary-dark);
    font-size: 1.25rem;
    font-weight: 950;
}

.pdetail-section-title::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;

    width: 54px;
    height: 4px;
    border-radius: 999px;

    background: linear-gradient(90deg, var(--pdetail-primary), var(--pdetail-accent));
}

.pdetail-description {
    margin: 0 0 13px;
    color: var(--pdetail-text-muted);
    font-size: 0.96rem;
    line-height: 2.05;
}

.pdetail-description:last-child {
    margin-bottom: 0;
}

/* Features */
.pdetail-feature-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pdetail-feature-list li {
    position: relative;
    padding: 12px 38px 12px 14px;
    border-radius: 16px;

    color: var(--pdetail-text-main);
    background: rgba(255, 255, 255, 0.50);
    border: 1px solid rgba(255, 255, 255, 0.56);

    font-size: 0.93rem;
    font-weight: 750;
}

.pdetail-feature-list li::before {
    content: "✓";
    position: absolute;
    right: 13px;
    top: 50%;
    transform: translateY(-50%);

    width: 18px;
    height: 18px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;
    color: #fff;
    background: var(--pdetail-primary-dark);

    font-size: 0.72rem;
}

/* =========================================================
   Specs
========================================================= */

.pdetail-extra-card {
    margin-top: 22px;
}

.pdetail-specs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.pdetail-spec-item {
    padding: 16px;
    border-radius: 18px;

    background: rgba(255, 255, 255, 0.52);
    border: 1px solid rgba(255, 255, 255, 0.62);
}

.pdetail-spec-item span {
    display: block;
    margin-bottom: 8px;
    color: var(--pdetail-text-muted);
    font-size: 0.82rem;
    font-weight: 700;
}

.pdetail-spec-item strong {
    display: block;
    color: var(--pdetail-primary-dark);
    font-size: 0.95rem;
    font-weight: 950;
}

/* =========================================================
   Back Link
========================================================= */

.pdetail-back-wrap {
    display: flex;
    justify-content: center;
    margin-top: 26px;
}

.pdetail-back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 48px;
    padding: 12px 24px;
    border-radius: 999px;

    color: var(--pdetail-primary-dark);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 900;

    background: rgba(255, 255, 255, 0.52);
    border: 1px solid rgba(255, 255, 255, 0.66);
    box-shadow: var(--pdetail-shadow-sm);

    transition:
        background-color 0.18s ease,
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}

.pdetail-back-link:hover {
    background: rgba(255, 255, 255, 0.72);
    border-color: rgba(127, 166, 232, 0.85);
    box-shadow: 0 12px 28px rgba(24, 33, 74, 0.10);
}

/* =========================================================
   Responsive
========================================================= */

@media (max-width: 980px) {
    .pdetail-main-card {
        grid-template-columns: 1fr;
    }

    .pdetail-main-image-box {
        height: 440px;
    }

    .pdetail-content-grid {
        grid-template-columns: 1fr;
    }

    .pdetail-specs {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .pdetail-page {
        padding: 26px 12px 50px;
        overflow: hidden;
    }

    .pdetail-blob {
        display: none;
    }

    .pdetail-main-card {
        padding: 14px;
        border-radius: 26px;

        backdrop-filter: none;
        -webkit-backdrop-filter: none;

        background: rgba(255, 255, 255, 0.72);
    }

    .pdetail-main-image-box {
        height: 330px;
        border-radius: 22px;
    }

    .pdetail-main-image,
    .pdetail-thumb img {
        transition: none;
    }

    .pdetail-main-image-box:hover .pdetail-main-image {
        transform: none;
    }

    .pdetail-thumbs {
        gap: 9px;
    }

    .pdetail-thumb {
        height: 76px;
        border-radius: 14px;
        transition: border-color 0.15s ease, box-shadow 0.15s ease;
    }

    .pdetail-thumb:hover {
        box-shadow: var(--pdetail-shadow-sm);
    }

    .pdetail-meta-row {
        grid-template-columns: 1fr;
    }

    .pdetail-actions {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

    .pdetail-primary-btn,
    .pdetail-secondary-btn {
        width: 100%;
        max-width: 100%;
        padding-inline: 16px;
        box-sizing: border-box;
    }

    .pdetail-section-card,
    .pdetail-extra-card {
        padding: 18px;
        border-radius: 24px;

        backdrop-filter: none;
        -webkit-backdrop-filter: none;

        background: rgba(255, 255, 255, 0.72);
    }

    .pdetail-specs {
        grid-template-columns: 1fr;
    }

    .pdetail-breadcrumb {
        font-size: 0.82rem;
    }

    .pdetail-page *,
    .pdetail-page *::before,
    .pdetail-page *::after {
        will-change: auto !important;
        animation: none !important;
    }
}

@media (max-width: 420px) {
    .pdetail-main-image-box {
        height: 280px;
    }

    .pdetail-thumbs {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .pdetail-thumb {
        height: 62px;
    }

    .pdetail-title {
        font-size: 1.55rem;
    }

    .pdetail-short-desc {
        font-size: 0.92rem;
    }
}

/* =========================================================
   Reduced Motion
========================================================= */

@media (prefers-reduced-motion: reduce) {
    .pdetail-page *,
    .pdetail-page *::before,
    .pdetail-page *::after {
        transition: none !important;
        animation: none !important;
        scroll-behavior: auto !important;
    }
}