html, body {
    height: 100%;
    margin: 0;
    overflow-x: hidden;
}

body {
    background-color: #f4f6f8;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
}

.content-wrapper {
    flex: 1 0 auto;
}

.navbar {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.navbar-brand img {
    max-height: 40px;
    width: auto;
}

.product-zoom-img {
    cursor: zoom-in;
    transition: opacity 0.2s;
}

.product-zoom-img:hover {
    opacity: 0.9;
}

.coupon-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: none;
}
.coupon-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}
.coupon-image-wrap {
    position: relative;
    padding-top: 75%; 
    overflow: hidden;
    background: #fff;
}
.coupon-card.viewed {
    opacity: 0.75;
}
.viewed-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 10;
    text-transform: uppercase;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.coupon-image-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 15px;
}
.store-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.95);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #333;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-transform: uppercase;
}
.card-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
}
.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 3.1rem;
}
.price-wrap {
    margin-bottom: 15px;
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
}
.current-price {
    font-size: 1.4rem;
    font-weight: 800;
    color: #e74c3c;
}
.original-price {
    font-size: 0.95rem;
    color: #95a5a6;
    text-decoration: line-through;
    margin-left: 10px;
}
.coupon-box {
    border: 2px dashed #3498db;
    background-color: #f1f9fe;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    margin-bottom: 15px;
    position: relative;
    cursor: pointer;
    transition: background-color 0.2s;
}
.coupon-box:hover {
    background-color: #e3f2fd;
}
.coupon-code {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: #2980b9;
    letter-spacing: 1px;
}
.copy-hint {
    font-size: 0.7rem;
    color: #7f8c8d;
    display: block;
    margin-top: 4px;
    text-transform: uppercase;
}
.btn-details, .btn-buy {
    margin-top: auto;
    color: white;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    padding: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.2s, transform 0.1s;
}

.btn-details {
    background-color: #0D6EFD;
}

.btn-details:hover {
    background-color: #0b5ed7;
    color: white;
    transform: scale(1.02);
}

.btn-buy {
    background-color: #FD7A0E;
}

.btn-buy:hover {
    background-color: #e66d0d;
    color: white;
    transform: scale(1.02);
}
.meta-info {
    font-size: 0.85rem;
    color: #7f8c8d;
    margin-bottom: 12px;
    border-top: 1px solid #eee;
    padding-top: 10px;
}
.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1060;
}

.search-container {
    max-width: 500px;
    width: 100%;
}

footer {
    flex-shrink: 0;
    background-color: #212529;
    color: #fff;
    padding: 40px 0;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.2s;
    font-size: 0.9rem;
}
.footer-links a:hover {
    color: #fff;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        padding-top: 15px;
    }
    .search-container {
        max-width: 100%;
    }
}

@media (max-width: 767.98px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-links {
        margin-top: 15px;
    }
    .footer-links a {
        margin: 0 10px;
    }
}