* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
    color: #7f8c8d;
}

.shoe-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.shoe-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.shoe-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.shoe-image {
    margin-bottom: 20px;
}

.placeholder-image {
    font-size: 4rem;
    margin-bottom: 15px;
}

.shoe-card h2 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

.shoe-card p {
    color: #7f8c8d;
    margin-bottom: 20px;
}

.view-btn {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.2s ease;
    font-weight: 500;
}

.view-btn:hover {
    background: #2980b9;
}

/* Styles for product pages */
.product-page {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.product-image {
    text-align: center;
    margin-bottom: 30px;
}

.product-image .placeholder-image {
    font-size: 6rem;
    margin-bottom: 20px;
}

.product-title {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 15px;
    text-align: center;
}

.product-description {
    color: #7f8c8d;
    margin-bottom: 25px;
    text-align: center;
    line-height: 1.7;
}

.product-price {
    font-size: 2rem;
    font-weight: bold;
    color: #27ae60;
    text-align: center;
    margin-bottom: 30px;
}

.back-btn {
    display: inline-block;
    background: #95a5a6;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.2s ease;
    margin-right: 15px;
}

.back-btn:hover {
    background: #7f8c8d;
}

.buy-btn {
    display: inline-block;
    background: #27ae60;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.2s ease;
    font-weight: 500;
}

.buy-btn:hover {
    background: #229954;
}

.button-group {
    text-align: center;
}