/* HeroSMS Frontend - Minimal CSS */
.herosms-buy-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.herosms-form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.herosms-select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.herosms-price-info {
    background: #f0f9ff;
    padding: 10px;
    margin: 15px 0;
    border-radius: 4px;
    border: 2px solid #2271b1;
}

.herosms-btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background: #2271b1;
    color: white;
}

.herosms-btn:hover {
    background: #135e96;
}

.herosms-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.herosms-message {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
}

.herosms-message.success {
    background: #d4edda;
    color: #155724;
}

.herosms-message.error {
    background: #f8d7da;
    color: #721c24;
}

.herosms-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #2271b1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.herosms-number-result {
    margin-top: 20px;
    padding: 20px;
    background: #d4edda;
    border: 2px solid #28a745;
    border-radius: 8px;
}

.herosms-phone-number {
    font-size: 24px;
    font-weight: bold;
    color: #2271b1;
}

.herosms-sms-code {
    font-size: 28px;
    font-weight: bold;
    color: #28a745;
}