.gv-market-card {
    max-width: 500px;
    margin: 20px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

.gv-header {
    text-align: center;
    margin-bottom: 25px;
}

.gv-header h2 {
    margin: 0;
    color: #d4af37; /* Gold color */
    font-size: 24px;
}

.gv-header p {
    margin: 5px 0;
    color: #666;
    font-weight: bold;
}

.gv-prices-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 30px;
}

.price-item {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #eee;
}

.price-item .label {
    display: block;
    font-size: 12px;
    color: #888;
    text-transform: uppercase;
}

.price-item .value {
    display: block;
    font-size: 16px;
    font-weight: bold;
    color: #222;
}

.form-tabs {
    display: flex;
    margin-bottom: 20px;
    background: #f0f0f0;
    border-radius: 8px;
    padding: 4px;
}

.tab-btn {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 6px;
    font-weight: bold;
    transition: all 0.3s;
}

.tab-btn.active {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    color: #d4af37;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    font-weight: 600;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

.form-group textarea {
    height: 80px;
    resize: none;
}

.conversion-result {
    background: #fff9e6;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 20px;
    border: 1px dashed #d4af37;
}

#calc-result {
    font-size: 18px;
    font-weight: bold;
    color: #b8860b;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: #d4af37;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: #b8860b;
}

#order-message {
    margin-top: 15px;
    text-align: center;
    font-size: 14px;
}

#order-message.success { color: #28a745; }
#order-message.error { color: #dc3545; }