/* Secure Oaklease Calculator Styles */
#oaklease-calculator {
    max-width: 600px;
    margin: auto;
    padding: 1rem;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

/* Input Fields */
input, select, button {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: #003366;
    box-shadow: 0 0 0 2px rgba(0, 51, 102, 0.1);
}

input:invalid {
    border-color: #dc3545;
}

/* Buttons */
button {
    background-color: #003366; /* Oaklease navy */
    color: #fff;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

button:hover:not(:disabled) {
    background-color: #005599;
}

button:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
}

/* Error Messages */
.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

/* Results Section */
#results {
    background-color: #f9f9f9;
    padding: 1.5rem;
    border-radius: 6px;
    margin-top: 1rem;
    border: 1px solid #e0e0e0;
}

.results-container h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: #003366;
    font-size: 1.25rem;
}

.results-container p {
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.results-container strong {
    color: #333;
}

/* Action Buttons */
.action-buttons {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.action-buttons button {
    flex: 1;
    min-width: 120px;
}

/* Loading State */
#loading {
    text-align: center;
    padding: 1rem;
    color: #003366;
    font-weight: 600;
}

#loading p {
    margin: 0;
}

/* Error State */
#error-message {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
}

#error-message .error {
    margin: 0;
    font-weight: 600;
}

/* Security-focused styling */
#oaklease-calculator-form {
    position: relative;
}

/* Input validation states */
input.valid {
    border-color: #28a745;
}

input.invalid {
    border-color: #dc3545;
}

/* Accessibility improvements */
input:focus, select:focus, button:focus {
    outline: 2px solid #003366;
    outline-offset: 2px;
}

/* Mobile Responsiveness */
@media screen and (max-width: 480px) {
    #oaklease-calculator {
        padding: 0.75rem;
        margin: 0.5rem;
    }
    
    input, select, button {
        font-size: 0.9rem;
        padding: 0.6rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons button {
        min-width: auto;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    #oaklease-calculator {
        border: 2px solid #000;
    }
    
    input, select, button {
        border: 2px solid #000;
    }
    
    button {
        background-color: #000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    input, select, button {
        transition: none;
    }
    
    button {
        transition: none;
    }
}