.conference-registration-container {
    font-family: Arial, sans-serif;
    width: 100%;
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
}

.conference-registration-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

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

.conference-registration-container .error {
    color: red;
    font-size: 0.9em;
    margin-top: 5px;
}

.conference-registration-container label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: 500;
}

.conference-registration-container input[type="text"],
.conference-registration-container input[type="email"],
.conference-registration-container select,
.conference-registration-container textarea {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

.conference-registration-container input.input-error,
.conference-registration-container select.input-error,
.conference-registration-container textarea.input-error {
    border-color: red;
}

.conference-registration-container button {
    width: 100%;
    padding: 12px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
}

.conference-registration-container button:hover {
    background-color: #218838;
}

/* Style for the Register button when disabled */
.conference-registration-container #registerButton:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.conference-registration-container .radio-group {
    margin-bottom: 20px;
}

.conference-registration-container .radio-group label {
    display: block;
    margin-bottom: 10px;
}

.conference-registration-container .radio-group input[type="radio"] {
    margin-right: 8px;
}

.conference-registration-container .required {
    color: red;
}

/* Success message styling */
.registration-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 20px;
}

/* Error message styling */
.registration-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 20px;
}

.success-links {
    margin-top: 20px;
    text-align: center;
}

.success-links .button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #28a745;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    margin: 0 10px;
}

.success-links .button:hover {
    background-color: #218838;
}

/* PayPal button container styling */
#paypal-button-container {
    margin: 15px 0;
}

/* Enhanced Registration Type Section */
.registration-type-section {
    background-color: #f9f9f9;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.radio-group label.required {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 18px;
    display: block;
    color: #333;
}

.registration-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 15px;
}

.reg-option {
    display: block;
    padding: 20px;
    border: 2px solid #eaeaea;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    background-color: white;
    position: relative;
}

.reg-option:hover {
    border-color: #c0c0c0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.reg-option.selected {
    border-color: #4CAF50;
    background-color: rgba(76, 175, 80, 0.03);
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.1);
}

.reg-option input[type="radio"] {
    margin-right: 10px;
    vertical-align: top;
    transform: scale(1.2);
}

.reg-option-title {
    font-weight: 600;
    font-size: 17px;
    margin: 0 0 12px 25px;
    display: block;
    color: #333;
}

.price-tiers {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 0 0 15px 25px;
}

.price-tier {
    font-size: 14px;
    color: #555;
    padding: 6px 16px;
    border-radius: 20px;
    background-color: #f0f0f0;
    display: inline-block;
    font-weight: 500;
    border: 1px solid #e5e5e5;
}

.price-tier.early-bird.current {
    background-color: #4CAF50;
    color: white;
    font-weight: 500;
    border-color: #43a047;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.price-tier.standard.current {
    background-color: #2196F3;
    color: white;
    font-weight: 500;
    border-color: #1e88e5;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.price-tier.onsite.current {
    background-color: #FF9800;
    color: white;
    font-weight: 500;
    border-color: #f57c00;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.current-price-display {
    font-weight: 600;
    color: #333;
    margin: 12px 0 5px 25px;
    font-size: 16px;
}

.child-price-info {
    margin: 8px 0 0 25px;
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #555;
}

.child-price-info strong {
    color: #4CAF50;
    margin: 0 3px;
    font-size: 16px;
}

.pricing-note {
    font-style: italic;
    margin-top: 15px;
    color: #666;
    font-size: 14px;
    padding: 8px 0;
}

@media (max-width: 600px) {
    .price-tiers {
        flex-direction: column;
        gap: 8px;
    }
    .reg-option {
        padding: 15px;
    }
    .reg-option-title {
        margin-left: 20px;
        font-size: 16px;
    }
    .price-tiers {
        margin-left: 20px;
    }
    .current-price-display,
    .child-price-info {
        margin-left: 20px;
    }
}