.form-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.form-section {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
    color: #2c3e50;
    font-size: 1.1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Mobile-specific textarea sizing */
@media (max-width: 768px) {
    .form-container {
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .form-section {
        margin: 0 !important;
        padding: 15px 10px !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: transparent !important;
    }
    
    .topic-group {
        margin-bottom: 15px !important; 
        padding: 10px !important; 
        border: 2px solid #e9ecef !important; 
        border-radius: 8px !important;
        width: 100% !important;
        box-sizing: border-box !important;
        background: white !important;
    }
    
    .form-group {
        margin-bottom: 15px !important;
    }
    
    .form-group textarea {
        min-height: 200px !important;
        font-size: 16px !important;
        padding: 10px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .form-group input,
    .form-group select {
        font-size: 16px !important;
        padding: 10px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .radio-group {
        background: white !important;
        padding: 15px !important;
        border-radius: 8px !important;
        margin-top: 10px !important;
    }
    
    .radio-option {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        padding: 15px 10px !important;
    }
    
    .radio-option input[type="radio"] {
        width: auto !important;
        margin: 0 0 10px 0 !important;
        order: 1 !important;
    }
    
    .level-details {
        order: 2 !important;
    }
}

.radio-group {
    display: grid;
    gap: 15px;
    margin-top: 10px;
}

.radio-option {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.radio-option:hover {
    border-color: #667eea;
    background: #f8f9fa;
}

.radio-option.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: #f8f9fa;
}

.radio-option input[type="radio"] {
    width: auto;
    margin-right: 15px;
}

.radio-option.selected {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.level-details {
    flex: 1;
}

.level-name {
    font-weight: bold;
    font-size: 1.1rem;
    color: #2c3e50;
}

.level-percentage {
    font-size: 1.3rem;
    font-weight: bold;
    color: #667eea;
    margin: 5px 0;
}

.level-investment {
    font-size: 0.9rem;
    color: #6c757d;
}

.referral-only {
    color: #e74c3c;
    font-weight: bold;
    font-size: 0.9rem;
}

.submit-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 20px;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.success-message {
    background: linear-gradient(135deg, #00b894 0%, #00a085 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 30px;
}

.error-message {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.required {
    color: #e74c3c;
}

.info-text {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: #6c757d;
}