/* --- Dark Theme for Product Details --- */
body {
    font-family: "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, rgba(217, 119, 6, 0.18), transparent 28%),
        radial-gradient(circle at top right, rgba(31, 111, 95, 0.12), transparent 26%),
        #111117;
    color: #ffffff;
    margin: 0;
    padding: 0;
    padding-top: 90px;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: #ffffff;
}

.sidebar-area {
    width: 280px;
    background-color: rgba(255,255,255,0.03);
    border-right: 1px solid rgba(255,255,255,0.06);
    min-height: 100vh;
}

 .sidebar-logo {
     padding: 1rem;
     text-align: center;
 }

 .sidebar-logo img {
     max-height: 50px;
 }

.menu-item {
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    color: #ffffff;
}

.menu-item:hover {
    background-color: rgba(255,255,255,0.08);
}

.main-content {
    margin-left: 280px;
    padding: 2rem;
}

.product-title {
    font-weight: 600;
    font-size: 1.75rem;
    color: #ffffff;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 500;
    color: #ffffff;
}

.product-price del {
    color: rgba(255,255,255,0.5);
    margin-left: 0.5rem;
    font-weight: 400;
}

.product-rating i {
    color: #d97706;
}

.product-description,
.product-features {
    line-height: 1.6;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.8);
}

.ad-section {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    text-align: center;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.ad-section img {
    max-width: 100%;
    border-radius: 16px;
    object-fit: cover;
}

.btn-primary {
    background: linear-gradient(135deg, #2e5e7b 0%, #1f3744 100%);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 0.75rem 1.3rem;
    transition: transform .12s ease, filter .12s ease, box-shadow .12s ease;
    box-shadow: 0 8px 20px rgba(16,24,32,0.6);
}

.btn-primary:hover {
    filter: brightness(1.06);
    transform: translateY(-2px);
    color: #fff;
}

.btn-primary:focus {
    box-shadow: 0 0 0 4px rgba(46,94,123,0.18);
    outline: none;
}

.btn-secondary {
    background: rgba(255,255,255,0.05);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 999px;
    padding: 0.75rem 1.3rem;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.08);
}

.btn-secondary:focus {
    box-shadow: 0 0 0 4px rgba(255,255,255,0.06);
    outline: none;
}

.tab-content img {
    width: 100%;
    border-radius: 16px;
}

.thumbnail {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 16px;
    cursor: pointer;
    border: 2px solid rgba(255,255,255,0.08);
    transition: transform .25s ease;
}

.thumbnail:hover {
    transform: scale(1.05);
}

.review-card {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.review-card img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.section-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 1.6rem;
    color: #ffffff;
}

.card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    color: #ffffff;
}

.card-img-top {
    object-fit: cover;
}

.nav-link {
    color: rgba(255,255,255,0.72);
    border-bottom: 2px solid transparent;
}

.nav-link.active {
    color: #ffffff;
    border-bottom-color: #2e5e7b;
}

.form-control,
.form-select {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    color: #ffffff;
}

.form-control:focus,
.form-select:focus {
    background: rgba(255,255,255,0.05);
    border-color: rgba(255,255,255,0.12);
    color: #ffffff;
    box-shadow: 0 0 0 0.2rem rgba(46,94,123,0.25);
}

.ad-banner {
    position: relative;
    border-radius: 20px;
    padding: 2rem;
    color: white;
    overflow: hidden;
}

.ad-banner.orange {
    background: linear-gradient(135deg, #d97706 0%, #9a3412 100%);
}

.ad-banner::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(255,255,255,0.12), transparent 70%);
    filter: blur(40px);
    top: -80px;
    right: -80px;
    border-radius: 50%;
    z-index: 0;
}

.ad-banner h3,
.ad-banner p,
.ad-banner .eyebrow {
    position: relative;
    z-index: 1;
}

.breadcrumb-item+.breadcrumb-item::before {
    content: ">";
}

 @media (max-width: 992px) {
     .sidebar-area {
         width: 100%;
         position: relative;
         min-height: auto;
     }

     .main-content {
         margin-left: 0;
     }
 }