/* ==========================================================================
   Form Validation Styles
   Consistent validation styling for all forms across the application
   ========================================================================== */

/* Override Bootstrap's validation icons globally */
.form-control.is-valid,
.was-validated .form-control:valid,
.form-select.is-valid,
.was-validated .form-select:valid {
    background-image: none !important;
    padding-right: 0.75rem !important;
}

.form-control.is-invalid,
.was-validated .form-control:invalid,
.form-select.is-invalid,
.was-validated .form-select:invalid {
    background-image: none !important;
    padding-right: 0.75rem !important;
}

/* Form Field Container */
.form-field-container {
    position: relative;
    margin-bottom: 1rem;
}

/* Form Labels */
.kai-form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
    font-size: 0.875rem;
    line-height: 1.25rem;
}

/* Form Inputs */
.kai-form-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.5rem;
    background-color: #fff;
    color: #374151;
    font-size: 1rem;
    line-height: 1.5;
    transition: all 0.15s ease-in-out;
}

.kai-form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.kai-form-input::placeholder {
    color: #9ca3af;
}

/* Form Select Styling */
.kai-form-input.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25em 1.25em;
    padding-right: 2.5rem;
}

/* Textarea Styling */
.kai-form-input.form-control[rows] {
    resize: vertical;
    min-height: 120px;
}

/* Validation States */
.kai-form-input.is-valid,
.form-field-container .kai-form-input.is-valid {
    border-color: #10b981 !important;
    background-color: #f0fdf4;
    background-image: none !important; /* Remove Bootstrap checkmark icon */
    padding-right: 0.75rem !important; /* Reset padding that Bootstrap adds for icon */
}

.kai-form-input.is-valid:focus,
.form-field-container .kai-form-input.is-valid:focus {
    border-color: #10b981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
    background-image: none !important; /* Remove Bootstrap checkmark icon */
}

.kai-form-input.is-invalid,
.form-field-container .kai-form-input.is-invalid,
.kai-form-input.input-validation-error,
.form-field-container .kai-form-input.input-validation-error,
select.kai-form-input.is-invalid,
select.kai-form-input.input-validation-error,
.form-select.kai-form-input.is-invalid,
.form-select.kai-form-input.input-validation-error,
.input-group > select.kai-form-input.is-invalid,
.input-group > select.kai-form-input.input-validation-error,
.input-group > .form-select.kai-form-input.is-invalid,
.input-group > .form-select.kai-form-input.input-validation-error {
    border-color: #ef4444 !important;
    background-color: transparent !important;
    animation: shakeError 0.5s ease-in-out;
}

.kai-form-input.is-invalid:focus,
.form-field-container .kai-form-input.is-invalid:focus,
.kai-form-input.input-validation-error:focus,
.form-field-container .kai-form-input.input-validation-error:focus,
select.kai-form-input.is-invalid:focus,
select.kai-form-input.input-validation-error:focus,
.form-select.kai-form-input.is-invalid:focus,
.form-select.kai-form-input.input-validation-error:focus,
.input-group > select.kai-form-input.is-invalid:focus,
.input-group > select.kai-form-input.input-validation-error:focus,
.input-group > .form-select.kai-form-input.is-invalid:focus,
.input-group > .form-select.kai-form-input.input-validation-error:focus {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* Remove validation icons AND padding-right from checkboxes to prevent confusion with selection state */
.form-check-input.is-valid,
.form-check-input.was-validated,
.was-validated .form-check-input {
    background-image: none !important;
    padding-right: 0 !important;
}

.form-check-input.is-invalid,
.form-check-input.input-validation-error,
.was-validated .form-check-input:invalid {
    background-image: none !important;
    padding-right: 0 !important;
}

/* Validation Messages */
.invalid-feedback,
.text-danger,
.field-validation-error {
    display: block !important;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #ef4444 !important;
    font-weight: 500;
    opacity: 1;
    animation: fadeInError 0.3s ease-in-out forwards;
}

/* Validation message after input-group */
.input-group + .invalid-feedback,
.input-group + .field-validation-error {
    display: block !important;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #ef4444 !important;
    font-weight: 500;
}

.field-validation-valid {
    display: none !important;
}

.valid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #10b981;
    font-weight: 500;
}

/* Help Text */
.form-text {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.25rem;
    line-height: 1.4;
}

/* Checkbox and Radio Button Styling - Best Practice Flexbox Alignment */
.form-check {
    display: flex !important;
    align-items: center !important;
    margin-bottom: 0.5rem;
    gap: 0.5rem !important; /* Compact gap for better space usage */
    max-width: fit-content; /* Don't expand unnecessarily */
}

/* Ensure all form-check containers use consistent flex layout */
.form-check:not(.d-flex) {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
}

/* Force all form-check divs to use center alignment regardless of Bootstrap classes */
.form-check.d-flex {
    align-items: center !important;
    gap: 0.5rem !important;
}

.form-check-input {
    width: 1.5rem !important; /* Better size for better proportions */
    height: 1.5rem !important;
    margin: 0 !important;
    padding: 0 !important;
    flex-shrink: 0 !important;
    border: 1.5px solid #cbd5e1 !important; /* Thinner border, softer gray */
    border-radius: 0.2rem !important; /* Slightly smaller radius */
    background-color: #ffffff !important;
    cursor: pointer;
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease !important;
    position: relative;
    box-sizing: border-box !important;
}

/* Hover state - consistent size with color feedback only */
.form-check-input:hover:not(:disabled) {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    border: 1.5px solid #3b82f6 !important;
    background-color: #f8fafc !important; /* Very subtle background change */
}

.form-check-input:focus {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    border: 1.5px solid #3b82f6 !important;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2) !important;
    outline: none !important;
}

.form-check-input:checked {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    border: 1.5px solid #3b82f6 !important;
    background-color: #3b82f6 !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.5' d='M4 8l2.5 2.5L12 5'/%3e%3c/svg%3e") !important;
    background-size: 1rem !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
}

.form-check-input:checked:hover {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    border: 1.5px solid #2563eb !important;
    background-color: #2563eb !important; /* Darker blue on hover when checked */
}

.form-check-input:checked:focus {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    border: 1.5px solid #3b82f6 !important;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3) !important;
}

.form-check-input:disabled {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    opacity: 0.5;
    cursor: not-allowed;
}

/* Comprehensive checkbox sizing override - ensures consistent dimensions in all states */
input[type="checkbox"].form-check-input,
.form-check-input[type="checkbox"] {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    margin: 0 !important;
    border-width: 1.5px !important;
    box-sizing: border-box !important;
    flex-shrink: 0 !important;
}

.form-check-label {
    font-size: 0.875rem;
    line-height: 1.5; /* Standard line height */
    color: #374151;
    cursor: pointer;
    margin: 0 !important;
    padding: 0 !important;
    flex: 1;
    /* Let flexbox parent handle alignment naturally */
}

/* Special styling for kai-checkbox class - inherits from .form-check-input */
/* The kai-checkbox class now inherits all styles from .form-check-input above */

.kai-checkbox:checked {
    background-color: #3b82f6 !important;
    border-color: #3b82f6 !important;
}

/* Radio Button Styling - similar to checkboxes but circular */
.form-check-input[type="radio"] {
    border-radius: 50% !important;
}

.form-check-input[type="radio"]:checked {
    background-color: #3b82f6 !important;
    border-color: #3b82f6 !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e") !important;
}

/* Checkbox container alignment fixes - unified for both center and start alignment */
.form-check.d-flex.align-items-start,
.form-check.d-flex.align-items-center {
    align-items: flex-start !important; /* Force consistent alignment */
    gap: 0.75rem;
    display: flex !important;
}

.form-check.d-flex .form-check-input {
    margin-top: 0.125rem !important; /* Slight offset to align with text baseline */
    margin-right: 0 !important;
    margin-left: 0 !important;
    flex-shrink: 0 !important;
}

.form-check.d-flex .form-check-label {
    margin-top: 0 !important;
    margin-left: 0 !important;
    padding-left: 0 !important;
    flex: 1;
    line-height: 1.5;
}

/* Fix for all form checkbox structures with Bootstrap classes */
.form-check.d-flex .form-check-input.kai-checkbox.flex-shrink-0,
.form-check.d-flex .form-check-input.kai-checkbox.flex-shrink-0.mt-1 {
    margin: 0 !important; /* Clean margins */
    flex-shrink: 0 !important;
}

.form-check.d-flex .form-check-label.kai-label.ms-2,
.form-check.d-flex .form-check-label.ms-2 {
    margin: 0 !important;
    padding: 0 !important;
    flex: 1;
    line-height: 1.5;
}

/* Override Bootstrap margin classes - use clean flexbox approach */
.form-check .form-check-input.mt-1,
.form-check-input.mt-1 {
    margin: 0 !important; /* Clean margins */
}

.form-check .form-check-label.ms-2,
.form-check-label.ms-2 {
    margin: 0 !important;
    padding: 0 !important;
}

/* Ensure gap is used instead of margin for consistent spacing */
.form-check {
    gap: 0.75rem !important;
}

.form-check * {
    margin-right: 0 !important; /* Remove any margin-right from flex children */
}

/* Additional overrides for Bootstrap interference */
.form-check .form-check-input {
    margin: 0 !important; /* Clean margins */
    position: static !important; /* Override any absolute positioning */
}

.form-check .form-check-label {
    margin: 0 !important;
    padding: 0 !important;
}

/* Force consistent alignment across all checkbox structures */
.form-check,
.form-check.d-flex,
.form-check.d-flex.align-items-start,
.form-check.d-flex.align-items-center {
    display: flex !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
}

/* Remove Bootstrap's default checkbox positioning */
.form-check-input[type="checkbox"] {
    position: static !important;
    margin-left: 0 !important;
}

/* Ensure proper spacing in validation messages for this structure */
.form-field-container .invalid-feedback.d-block.ms-4 {
    margin-left: 1.875rem !important; /* Align with checkbox label start */
    margin-top: 0.25rem;
}

/* Form Animations */
@keyframes shakeError {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes fadeInError {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Check (Checkboxes & Radios) */
.form-field-container .form-check-input {
    margin-top: 0.25rem;
}

.form-field-container .form-check-label {
    font-weight: 400;
    color: #374151;
    margin-left: 0.5rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .kai-form-input {
        font-size: 16px; /* Prevent zoom on iOS */
        -webkit-tap-highlight-color: rgba(59, 130, 246, 0.1);
    }
    
    /* Ensure focus styles work on mobile/touch devices */
    .kai-form-input:focus,
    .kai-form-input:active {
        outline: none !important;
        border-color: #3b82f6 !important;
        box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
    }
    
    /* Webkit-specific focus styles for iOS/Safari */
    .kai-form-input:focus:not(:focus-visible) {
        outline: none;
        border-color: #3b82f6 !important;
        box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
    }
}

/* Focus Indicators for Accessibility */
.kai-form-input:focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .kai-form-input {
        border-width: 2px;
    }
    
    .invalid-feedback {
        font-weight: 600;
    }
}

/* Enhanced Validation Support */
/* Support for ASP.NET Core field-validation-error */
.field-validation-error + .kai-form-input,
.kai-form-input + .field-validation-error:not(:empty),
.form-field-container:has(.field-validation-error:not(:empty)) .kai-form-input {
    border-color: #ef4444 !important;
    background-color: transparent !important;
}

/* Support for jQuery validation and ARIA attributes */
.kai-form-input.error,
.kai-form-input[aria-invalid="true"],
.kai-form-input.field-validation-error {
    border-color: #ef4444 !important;
    background-color: transparent !important;
    animation: shakeError 0.5s ease-in-out;
}

/* Show validation state immediately when validation errors exist */
.form-field-container .kai-form-input:not(:focus):not(:placeholder-shown):invalid {
    border-color: #ef4444 !important;
    background-color: transparent !important;
}

/* Ensure validation messages always display when there's content */
.invalid-feedback:not(:empty),
.field-validation-error:not(:empty) {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* Show validation message when sibling input has error */
.kai-form-input.is-invalid + .invalid-feedback,
.kai-form-input.input-validation-error + .invalid-feedback,
.kai-form-input.error + .invalid-feedback,
.kai-form-input[aria-invalid="true"] + .invalid-feedback,
.form-field-container .kai-form-input.is-invalid ~ .invalid-feedback,
.form-field-container .kai-form-input.input-validation-error ~ .invalid-feedback {
    display: block !important;
    visibility: visible !important;
}

/* Force display for validation spans with content */
span[data-valmsg-for]:not(:empty),
span.field-validation-error:not(:empty),
span.invalid-feedback:not(:empty) {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* Ensure validation states trigger immediately and persist */
.kai-form-input:invalid,
.kai-form-input.is-invalid,
.kai-form-input.input-validation-error {
    border-color: #ef4444 !important;
    background-color: transparent !important;
}

/* Show validation message for adjacent validation spans - both focused and unfocused */
.kai-form-input:invalid + .invalid-feedback:not(:empty),
.kai-form-input:invalid + .field-validation-error:not(:empty),
.kai-form-input:invalid ~ .invalid-feedback:not(:empty),
.kai-form-input:invalid ~ .field-validation-error:not(:empty) {
    display: block !important;
    visibility: visible !important;
}

/* Ensure validation messages persist when input loses focus */
.kai-form-input.is-invalid + .invalid-feedback,
.kai-form-input.input-validation-error + .invalid-feedback,
.kai-form-input.is-invalid ~ .invalid-feedback,
.kai-form-input.input-validation-error ~ .invalid-feedback {
    display: block !important;
    visibility: visible !important;
}

/* Force validation display for form containers with validation errors */
.form-field-container:has(.kai-form-input:invalid) .invalid-feedback:not(:empty),
.form-field-container:has(.kai-form-input.is-invalid) .invalid-feedback:not(:empty),
.form-field-container:has(.kai-form-input.input-validation-error) .invalid-feedback:not(:empty) {
    display: block !important;
    visibility: visible !important;
}

/* Ensure active validation messages stay visible regardless of focus */
.invalid-feedback[data-validation-active="true"],
.field-validation-error[data-validation-active="true"] {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* Override any hiding behaviors for invalid inputs */
.kai-form-input:invalid ~ .invalid-feedback,
.kai-form-input:invalid ~ .field-validation-error,
.kai-form-input.is-invalid ~ .invalid-feedback,
.kai-form-input.is-invalid ~ .field-validation-error,
.kai-form-input.input-validation-error ~ .invalid-feedback,
.kai-form-input.input-validation-error ~ .field-validation-error {
    display: block !important;
    visibility: visible !important;
}

/* Checkbox Validation States */
.form-check-input.is-invalid,
.form-check-input.input-validation-error {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    border: 1.5px solid #ef4444 !important;
    background-color: #ffffff !important;
}

.form-check-input.is-invalid:checked,
.form-check-input.input-validation-error:checked {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    border: 1.5px solid #ef4444 !important;
    background-color: #ef4444 !important;
}

.form-check-input.is-invalid:focus,
.form-check-input.input-validation-error:focus {
    width: 1.5rem !important;
    height: 1.5rem !important;
    padding: 0 !important;
    border: 1.5px solid #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* Checkbox validation message spacing */
.form-check + .invalid-feedback,
.form-check + .field-validation-error {
    margin-top: 0.25rem;
    margin-left: 1.875rem; /* Align with checkbox label */
}

/* Special handling for form-check containers with validation */
.form-check .invalid-feedback.d-block,
.form-check .field-validation-error.d-block {
    margin-left: 0 !important;
    margin-top: 0.25rem;
}

/* Ensure checkbox labels wrap properly */
.form-check-label {
    word-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
}

.form-check-label a {
    color: #3b82f6;
    text-decoration: none;
    word-break: normal;
}

.form-check-label a:hover {
    text-decoration: underline;
}

/* Better handling for long text in checkbox/radio labels */
.form-check {
    width: 100%;
}

.form-check .form-check-label {
    width: calc(100% - 1.875rem); /* Account for input width + gap */
    max-width: calc(100% - 1.875rem);
}

/* Payment method specific styling */
.form-check.payment-method-option {
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
    transition: all 0.2s ease-in-out;
}

.form-check.payment-method-option:hover {
    border-color: #3b82f6;
    background-color: #f8fafc;
}

.form-check.payment-method-option:has(.form-check-input:checked) {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

/* Improve readability for terms and conditions text */
.form-check-label {
    font-weight: 400;
    color: #374151;
}

/* Ensure asterisk (*) for required fields is properly styled */
.form-check-label:has-text("*"), 
.form-check-label[class*="required"]::after,
.form-check-label:contains("*") {
    color: #ef4444;
}

/* Better spacing for nested elements in labels */
.form-check-label > * {
    display: inline;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .kai-form-input,
    .invalid-feedback {
        transition: none;
        animation: none;
    }
}