/* ============================================
   ROOT VARIABLES
   ============================================ */
:root {
    --primary: #0a0a0a;
    --accent: #6d4677;
    --accent-hover: #d763a6;
    --text-light: #ffffff;
    --text-muted: #ccc;
    --bg-dark: #000;
    --bg-dark-second: #1c1c1c;
    --border-radius: 14px;
}

/* ============================================
   GLOBAL
   ============================================ */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.container {
    display: flex;
    gap: 40px;
    padding: 50px;
    max-width: 1250px;
    margin: auto;
    height: 100vh;
}

/* ============================================
   PRODUCT SPECS (LEFT SIDEBAR)
   ============================================ */
.product-specs {
    width: 320px;
    position: sticky;
    top: 30px;

    background: linear-gradient(160deg, #1f1f1f, #151515);
    padding: 28px;
    border-radius: var(--border-radius);

    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55), inset 0 0 18px rgba(255, 255, 255, 0.05);
    overflow-y: scroll;
    height: 90vh;
    transition: transform 0.25s ease;
}

.product-specs:hover {
    transform: translateY(-4px);
}

.product-specs h2 {
    text-align: center;
    margin: 0;
    font-size: 1.7rem;
    color: var(--accent);
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.08);
}

/* ———— SPEC CARDS ———— */
.spec-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 12px 14px;
    margin-top: 15px;

    display: flex;
    align-items: center;
    gap: 10px;

    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.08);

    transition: 0.3s ease;
}

.spec-card i {
    font-size: 1.3rem;
    color: var(--accent);
}

.spec-card .label {
    font-size: 1rem;
    color: var(--text-muted);
}

.spec-card .value {
    margin-right: auto;
    font-size: 1.05rem;
}

.spec-card:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-color: var(--accent-hover);
    transform: translateX(-4px);
    color: #fff;
}

/* ———— SUB-TITLES ———— */
.sub-title {
    font-size: 1.2rem;
    margin: 25px 0 10px;
    color: var(--accent);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 6px;
}

/* ———— FEATURE LIST ———— */
.features-list {
    list-style: none;
    padding: 0;
}

.features-list li {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 12px;
    border-radius: 10px;
    margin-bottom: 10px;

    display: flex;
    align-items: center;
    gap: 8px;

    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: 0.3s ease;
}

.features-list li i {
    color: var(--accent);
    font-size: 1.2rem;
}

.features-list li:hover {
    transform: translateX(-4px);
    background: rgba(255, 255, 255, 0.07);
}

/* ———— CATEGORY ———— */
.category-box {
    background: rgba(255, 255, 255, 0.04);
    padding: 12px;
    border-radius: 12px;

    display: flex;
    align-items: center;
    gap: 8px;

    border: 1px solid rgba(255, 255, 255, 0.07);
}

/* ———— TAGS ———— */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tags span {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);

    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;

    transition: 0.2s ease;
}

.tags span:hover {
    background: var(--accent);
    border-color: var(--accent-hover);
    color: white;
    transform: translateY(-2px);
}

/* ———— RATING ———— */
.rating-box {
    margin-top: 25px;

    background: rgba(255, 255, 255, 0.05);
    padding: 12px 14px;

    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;

    border: 1px solid rgba(255, 255, 255, 0.07);
}

.rating-box i {
    color: gold;
}

.rating-box small {
    color: var(--text-muted);
}

/* ============================================
   PRODUCT DETAILS
   ============================================ */
.product-details {
    direction: ltr;
    flex: 1;

    background: linear-gradient(160deg, #212121, #161616);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);

    /* max-height: 100vh; */
    overflow-y: auto;

    scrollbar-width: thin;
    scrollbar-color: var(--accent) var(--bg-dark-second);
}

.product-details * {
    direction: rtl;
}

.product-details h1 {
    color: var(--accent);
    font-size: 2.1rem;
    margin-bottom: 20px;
}

.product-details p {
    line-height: 1.9;
    font-size: 1.1rem;
}

/* BUTTON */
.button-buy {
    display: inline-block;
    padding: 14px 30px;

    background: var(--accent);
    color: white;

    border: none;
    border-radius: var(--border-radius);

    font-size: 1.1rem;
    cursor: pointer;

    transition: 0.3s ease;
}

.button-buy:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
}

/* ============================================
   GALLERY
   ============================================ */
.gallery {
    margin-bottom: 30px;
}

.main-img {
    width: 100%;
    height: 430px;
    object-fit: cover;

    border-radius: var(--border-radius);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.65);

    transition: opacity 0.4s ease, transform 0.35s ease;
}

.main-img.fade {
    opacity: 0;
    transform: scale(0.96);
}

.thumbnails {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.thumbnails img {
    width: 78px;
    height: 78px;
    object-fit: cover;

    border-radius: 10px;
    cursor: pointer;

    border: 2px solid #444;
    transition: 0.25s ease;
}

.thumbnails img:hover,
.thumbnails img.active {
    transform: scale(1.15);
    border-color: var(--accent);
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        padding: 15px;
        height: 100vh;
    }

    .product-specs,
    .product-details {
        width: 100%;
    }

    .product-specs {
        overflow-y: auto;
        height: auto;
    }

    .gallery {
        text-align: center;
    }

    .thumbnails {
        justify-content: center;
        flex-wrap: wrap;
    }

    .thumbnails img {
        width: 50px;
        /* کوچک‌تر شدن تصاویر کوچک */
        height: 50px;
    }

    .main-img {
        max-width: 100%;
        /* تصویر اصلی پر کردن عرض صفحه */
    }

    .spec-card {
        flex-direction: row;
        /* می‌توان row بماند یا column شود */
        gap: 8px;
        margin-bottom: 10px;
    }
}


/* ============================================
   SCROLLBAR UNIVERSAL
   ============================================ */

/* برای کروم، سافاری و اج */
::-webkit-scrollbar {
    width: 0px;
    /* ضخامت 0 یعنی مخفی */
    background: transparent;
    /* اختیاری */
}

/* اگر می‌خواهی همچنان کمی دیده شود، می‌توان 2px یا 4px گذاشت */
::-webkit-scrollbar-thumb {
    background: var(--accent);
    /* رنگ thumb */
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

/* برای فایرفاکس */
* {
    scrollbar-width: none;
    /* مخفی کردن scrollbar */
    scrollbar-color: var(--accent) var(--bg-dark-second);
    /* اگر نمایش بخواهی */
}