:root {
    --primary-color: #532ed6;
    --secondary-color: #e74c3c;
    --background-color: #f5f6fa;
    --text-color: #2c3e50;
}

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

body {
    font-family: 'Arial', sans-serif;
    background: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    background-image: url('../images/background.jpg');
    background-size: cover;
    background-position: center;
    min-height: 100vh;
}

.container {
    display: flex;
    max-width: 1200px;
    margin: 2rem auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.left-half, .right-half {
    padding: 2rem;
    width: 50%;
}

.left-half {
    background: var(--primary-color);
    color: white;
}

h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.price-section {
    margin-top: 2rem;
}

.price-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
}

.sale-badge {
    background: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-weight: bold;
    animation: pulse 2s infinite;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

input, textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

button {
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #3f1eb5;
}

.notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2rem;
    border-radius: 5px;
    background: #2ecc71;
    color: white;
    display: none;
    z-index: 1000;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        margin: 1rem;
    }
    
    .left-half, .right-half {
        width: 100%;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .price {
        font-size: 2rem;
    }
}