/*  RESET & BASE STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

/*  LAYOUT & CONTAINERS  */
.container-fluid {
    padding-left: 0;
    padding-right: 0;
}

/* NAVIGATION */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
}

/* LOGOS & BRANDING */
.logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

/* PRODUCT CARDS */
.card {
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.card-img-top {
    width: 100%;
    height: 200px;
    object-fit: contain;
    margin: 0;
    padding: 10px;
    box-sizing: border-box;
    transition: transform 0.3s ease;
}

.card-img-top:hover {
    transform: scale(1.05);
}

.card-body {
    padding: 1rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.card-text {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* PRODUCT PRICING */
.price {
    font-size: 1.2rem;
    font-weight: bold;
    color: #28a745;
}

.original-price {
    text-decoration: line-through;
    color: #888;
    font-size: 1rem;
    margin-right: 10px;
}

/* BUTTONS */
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
    transform: translateY(-2px);
}

.btn-secondary {
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    transform: translateY(-2px);
}

/* CART & SHOPPING */
.cart-icon {
    position: relative;
}

.cart-icon sup {
    background-color: #dc3545;
    color: white;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 0.7rem;
    position: absolute;
    top: -8px;
    right: -8px;
}

/* SIDEBAR */
.sidebar {
    background-color: #6c757d;
    min-height: 100vh;
}

.sidebar .nav-link {
    color: white;
    padding: 10px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: background-color 0.3s ease;
}

.sidebar .nav-link:hover {
    background-color: rgba(255,255,255,0.1);
    color: white;
}

/* ADMIN AREA */
.admin_image {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: 5px;
    border: 2px solid #ddd;
}

.admin_image:hover {
    border-color: #007bff;
}

/* FORMS */
.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
    border-color: #80bdff;
}

.search-form {
    max-width: 300px;
}

/* STORE HEADER */
.store-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px 0;
}

.store-header h3 {
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.store-header p {
    color: #666;
    font-size: 1.1rem;
}

/* PRODUCT DETAILS PAGE */
.product-detail-image {
    max-width: 100%;
    height: 400px;
    object-fit: contain;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
}

.product-info {
    padding: 20px;
}

.product-price {
    font-size: 2rem;
    font-weight: bold;
    color: #28a745;
    margin: 20px 0;
}

.product-description {
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
}

/* FOOTER */
.footer {
    background-color: #343a40;
    color: white;
    padding: 40px 0;
    margin-top: 50px;
}

.footer h5 {
    color: #ffc107;
    margin-bottom: 20px;
}

.footer a {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #ffc107;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    .logo {
        width: 40px;
        height: 40px;
    }

    .card-img-top {
        height: 150px;
    }

    .navbar-brand {
        font-size: 1.2rem;
    }

    .product-detail-image {
        height: 250px;
    }

    .search-form {
        max-width: 100%;
        margin-top: 10px;
    }
}

@media (max-width: 576px) {
    .card-img-top {
        height: 120px;
    }

    .product-price {
        font-size: 1.5rem;
    }

    .admin_image {
        width: 80px;
        height: 80px;
    }
}

/* ANIMATIONS */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* UTILITY CLASSES */
.text-shadow {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hover-scale:hover {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.border-radius-lg {
    border-radius: 10px;
}

/* LOADING STATES */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #007bff;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}