/**
 * LILI Labs Forms and Payment Plugin - Frontend Styles
 * Beautiful, accessible, responsive form styling
 */

/* CSS Custom Properties for easy theming */
:root {
    --llfp-primary: #6366f1;
    --llfp-primary-hover: #4f46e5;
    --llfp-primary-light: #eef2ff;
    --llfp-secondary: #64748b;
    --llfp-success: #10b981;
    --llfp-success-light: #d1fae5;
    --llfp-error: #ef4444;
    --llfp-error-light: #fee2e2;
    --llfp-warning: #f59e0b;
    --llfp-warning-light: #fef3c7;
    --llfp-text: #1e293b;
    --llfp-text-muted: #64748b;
    --llfp-text-light: #94a3b8;
    --llfp-border: #e2e8f0;
    --llfp-border-focus: #6366f1;
    --llfp-bg: #ffffff;
    --llfp-bg-light: #f8fafc;
    --llfp-bg-muted: #f1f5f9;
    --llfp-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --llfp-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --llfp-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --llfp-radius: 0.5rem;
    --llfp-radius-lg: 0.75rem;
    --llfp-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --llfp-transition: all 0.2s ease;
}

/* Form Container */
.llfp-form-container {
    font-family: var(--llfp-font-sans);
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--llfp-bg);
    border-radius: var(--llfp-radius-lg);
    box-shadow: var(--llfp-shadow-lg);
}

.llfp-form-container * {
    box-sizing: border-box;
}

/* Form Header */
.llfp-form-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--llfp-border);
}

.llfp-form-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--llfp-text);
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.llfp-form-description {
    font-size: 1rem;
    color: var(--llfp-text-muted);
    margin: 0;
    line-height: 1.6;
}

/* Section Headings */
.llfp-section-heading {
    margin: 2rem 0 1rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--llfp-primary-light);
}

.llfp-section-heading h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--llfp-text);
    margin: 0;
}

.llfp-section-heading p {
    font-size: 0.875rem;
    color: var(--llfp-text-muted);
    margin: 0.25rem 0 0 0;
}

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

.llfp-form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.llfp-form-row .llfp-form-group {
    flex: 1;
    min-width: 200px;
    margin-bottom: 0;
}

/* Labels */
.llfp-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--llfp-text);
    margin-bottom: 0.5rem;
}

.llfp-label .llfp-required {
    color: var(--llfp-error);
    margin-left: 0.25rem;
}

.llfp-label .llfp-optional {
    color: var(--llfp-text-light);
    font-weight: 400;
    font-size: 0.75rem;
    margin-left: 0.25rem;
}

/* Help Text */
.llfp-help-text {
    font-size: 0.75rem;
    color: var(--llfp-text-muted);
    margin-top: 0.375rem;
    line-height: 1.4;
}

/* Input Fields */
.llfp-input,
.llfp-select,
.llfp-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--llfp-text);
    background: var(--llfp-bg);
    border: 1px solid var(--llfp-border);
    border-radius: var(--llfp-radius);
    transition: var(--llfp-transition);
    outline: none;
}

.llfp-input:hover,
.llfp-select:hover,
.llfp-textarea:hover {
    border-color: var(--llfp-secondary);
}

.llfp-input:focus,
.llfp-select:focus,
.llfp-textarea:focus {
    border-color: var(--llfp-border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.llfp-input::placeholder,
.llfp-textarea::placeholder {
    color: var(--llfp-text-light);
}

.llfp-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

/* Select Dropdown */
.llfp-select {
    appearance: none;
    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: 1.25rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* Checkboxes & Radio Buttons */
.llfp-checkbox-group,
.llfp-radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.llfp-checkbox-group.llfp-inline,
.llfp-radio-group.llfp-inline {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
}

.llfp-checkbox-label,
.llfp-radio-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--llfp-text);
    cursor: pointer;
    line-height: 1.5;
}

.llfp-checkbox-label:hover,
.llfp-radio-label:hover {
    color: var(--llfp-primary);
}

.llfp-checkbox-input,
.llfp-radio-input {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    appearance: none;
    background: var(--llfp-bg);
    border: 2px solid var(--llfp-border);
    cursor: pointer;
    transition: var(--llfp-transition);
}

.llfp-checkbox-input {
    border-radius: 0.25rem;
}

.llfp-radio-input {
    border-radius: 50%;
}

.llfp-checkbox-input:hover,
.llfp-radio-input:hover {
    border-color: var(--llfp-primary);
}

.llfp-checkbox-input:checked,
.llfp-radio-input:checked {
    background: var(--llfp-primary);
    border-color: var(--llfp-primary);
}

.llfp-checkbox-input:checked {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
}

.llfp-radio-input:checked {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3ccircle cx='8' cy='8' r='3'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
}

.llfp-checkbox-input:focus,
.llfp-radio-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Checkbox/Radio with long text */
.llfp-checkbox-text,
.llfp-radio-text {
    flex: 1;
}

/* Address Fields */
.llfp-address-fields {
    display: grid;
    gap: 1rem;
}

.llfp-address-row {
    display: flex;
    gap: 1rem;
}

.llfp-address-row .llfp-form-group {
    margin-bottom: 0;
}

.llfp-address-street { flex: 3; }
.llfp-address-unit { flex: 1; min-width: 100px; }
.llfp-address-city { flex: 2; }
.llfp-address-state { flex: 1; min-width: 150px; }
.llfp-address-postal { flex: 1; min-width: 120px; }
.llfp-address-country { flex: 2; }

@media (max-width: 640px) {
    .llfp-address-row {
        flex-direction: column;
    }
    
    .llfp-address-street,
    .llfp-address-unit,
    .llfp-address-city,
    .llfp-address-state,
    .llfp-address-postal,
    .llfp-address-country {
        flex: none;
        width: 100%;
    }
}

/* Name Fields */
.llfp-name-fields {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.llfp-name-fields .llfp-form-group {
    flex: 1;
    min-width: 150px;
    margin-bottom: 0;
}

/* Signature Pad */
.llfp-signature-container {
    background: var(--llfp-bg-light);
    border: 2px dashed var(--llfp-border);
    border-radius: var(--llfp-radius);
    padding: 1rem;
    transition: var(--llfp-transition);
}

.llfp-signature-container:hover {
    border-color: var(--llfp-secondary);
}

.llfp-signature-container.llfp-signing {
    border-color: var(--llfp-primary);
    border-style: solid;
}

.llfp-signature-pad {
    background: var(--llfp-bg);
    border: 1px solid var(--llfp-border);
    border-radius: var(--llfp-radius);
    cursor: crosshair;
    touch-action: none;
    width: 100%;
    height: 150px;
}

.llfp-signature-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
}

.llfp-signature-clear {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--llfp-text-muted);
    background: transparent;
    border: 1px solid var(--llfp-border);
    border-radius: var(--llfp-radius);
    cursor: pointer;
    transition: var(--llfp-transition);
}

.llfp-signature-clear:hover {
    color: var(--llfp-error);
    border-color: var(--llfp-error);
    background: var(--llfp-error-light);
}

.llfp-signature-hint {
    font-size: 0.75rem;
    color: var(--llfp-text-light);
}

/* HTML Content Blocks */
.llfp-html-content {
    padding: 1.25rem;
    background: var(--llfp-bg-light);
    border-radius: var(--llfp-radius);
    border-left: 4px solid var(--llfp-primary);
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--llfp-text);
}

.llfp-html-content p {
    margin: 0 0 1rem 0;
}

.llfp-html-content p:last-child {
    margin-bottom: 0;
}

.llfp-html-content ol,
.llfp-html-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.llfp-html-content li {
    margin-bottom: 0.5rem;
}

/* File Upload */
.llfp-file-upload {
    position: relative;
}

.llfp-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.llfp-file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--llfp-bg-light);
    border: 2px dashed var(--llfp-border);
    border-radius: var(--llfp-radius);
    cursor: pointer;
    transition: var(--llfp-transition);
    text-align: center;
}

.llfp-file-label:hover {
    border-color: var(--llfp-primary);
    background: var(--llfp-primary-light);
}

.llfp-file-icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: 0.75rem;
    color: var(--llfp-text-light);
}

.llfp-file-text {
    font-size: 0.9375rem;
    color: var(--llfp-text);
}

.llfp-file-hint {
    font-size: 0.75rem;
    color: var(--llfp-text-light);
    margin-top: 0.25rem;
}

.llfp-file-preview {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--llfp-success-light);
    border-radius: var(--llfp-radius);
    margin-top: 0.75rem;
}

.llfp-file-preview-name {
    flex: 1;
    font-size: 0.875rem;
    color: var(--llfp-text);
    word-break: break-all;
}

.llfp-file-remove {
    padding: 0.25rem;
    color: var(--llfp-error);
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 0.25rem;
    transition: var(--llfp-transition);
}

.llfp-file-remove:hover {
    background: var(--llfp-error-light);
}

/* Payment Section */
.llfp-payment-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
    border: 1px solid var(--llfp-primary-light);
    border-radius: var(--llfp-radius-lg);
}

.llfp-payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--llfp-border);
}

.llfp-payment-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--llfp-text);
    margin: 0;
}

.llfp-payment-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--llfp-primary);
}

.llfp-payment-recurring {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--llfp-text-muted);
}

/* Stripe Elements Container */
.llfp-stripe-element {
    padding: 0.875rem 1rem;
    background: var(--llfp-bg);
    border: 1px solid var(--llfp-border);
    border-radius: var(--llfp-radius);
    transition: var(--llfp-transition);
}

.llfp-stripe-element:hover {
    border-color: var(--llfp-secondary);
}

.llfp-stripe-element.StripeElement--focus {
    border-color: var(--llfp-border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.llfp-stripe-element.StripeElement--invalid {
    border-color: var(--llfp-error);
}

.llfp-payment-error {
    display: none;
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--llfp-error-light);
    border-radius: var(--llfp-radius);
    color: var(--llfp-error);
    font-size: 0.875rem;
}

.llfp-payment-error.visible {
    display: block;
}

.llfp-secure-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.75rem;
    color: var(--llfp-text-light);
}

.llfp-secure-badge svg {
    width: 1rem;
    height: 1rem;
}

/* Submit Button */
.llfp-submit-container {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--llfp-border);
}

.llfp-submit-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    font-weight: 600;
    font-family: inherit;
    color: #ffffff;
    background: var(--llfp-primary);
    border: none;
    border-radius: var(--llfp-radius);
    cursor: pointer;
    transition: var(--llfp-transition);
    box-shadow: var(--llfp-shadow);
}

.llfp-submit-button:hover:not(:disabled) {
    background: var(--llfp-primary-hover);
    box-shadow: var(--llfp-shadow-md);
    transform: translateY(-1px);
}

.llfp-submit-button:active:not(:disabled) {
    transform: translateY(0);
}

.llfp-submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.llfp-submit-button.llfp-loading {
    pointer-events: none;
}

.llfp-submit-spinner {
    display: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: llfp-spin 0.8s linear infinite;
}

.llfp-loading .llfp-submit-spinner {
    display: block;
}

.llfp-loading .llfp-submit-text {
    margin-left: 0.5rem;
}

@keyframes llfp-spin {
    to { transform: rotate(360deg); }
}

/* Form Messages */
.llfp-message {
    padding: 1rem 1.25rem;
    border-radius: var(--llfp-radius);
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.llfp-message-success {
    background: var(--llfp-success-light);
    border: 1px solid var(--llfp-success);
    color: #065f46;
}

.llfp-message-error {
    background: var(--llfp-error-light);
    border: 1px solid var(--llfp-error);
    color: #991b1b;
}

.llfp-message-warning {
    background: var(--llfp-warning-light);
    border: 1px solid var(--llfp-warning);
    color: #92400e;
}

.llfp-message-info {
    background: var(--llfp-primary-light);
    border: 1px solid var(--llfp-primary);
    color: #3730a3;
}

/* Field Validation */
.llfp-field-error {
    display: none;
    font-size: 0.75rem;
    color: var(--llfp-error);
    margin-top: 0.375rem;
}

.llfp-form-group.llfp-has-error .llfp-input,
.llfp-form-group.llfp-has-error .llfp-select,
.llfp-form-group.llfp-has-error .llfp-textarea {
    border-color: var(--llfp-error);
}

.llfp-form-group.llfp-has-error .llfp-field-error {
    display: block;
}

.llfp-form-group.llfp-has-error .llfp-signature-container {
    border-color: var(--llfp-error);
}

/* Success State */
.llfp-form-success {
    text-align: center;
    padding: 3rem 2rem;
}

.llfp-success-icon {
    width: 5rem;
    height: 5rem;
    margin: 0 auto 1.5rem;
    background: var(--llfp-success-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.llfp-success-icon svg {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--llfp-success);
}

.llfp-success-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--llfp-text);
    margin: 0 0 0.75rem 0;
}

.llfp-success-message {
    font-size: 1rem;
    color: var(--llfp-text-muted);
    margin: 0;
    line-height: 1.6;
}

/* Protected Content */
.llfp-protected-content {
    position: relative;
    padding: 2rem;
    background: var(--llfp-bg-light);
    border: 1px solid var(--llfp-border);
    border-radius: var(--llfp-radius-lg);
}

.llfp-access-denied {
    text-align: center;
}

.llfp-access-denied-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    color: var(--llfp-text-light);
}

.llfp-access-denied-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--llfp-text);
    margin: 0 0 0.5rem 0;
}

.llfp-access-denied-message {
    font-size: 0.9375rem;
    color: var(--llfp-text-muted);
    margin: 0 0 1.5rem 0;
    line-height: 1.6;
}

.llfp-access-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--llfp-primary);
    border: none;
    border-radius: var(--llfp-radius);
    cursor: pointer;
    text-decoration: none;
    transition: var(--llfp-transition);
}

.llfp-access-button:hover {
    background: var(--llfp-primary-hover);
    color: #ffffff;
    text-decoration: none;
}

/* Email Access Form */
.llfp-email-access-form {
    max-width: 400px;
    margin: 1.5rem auto 0;
    padding: 1.5rem;
    background: var(--llfp-bg);
    border-radius: var(--llfp-radius);
    border: 1px solid var(--llfp-border);
}

.llfp-email-access-form .llfp-form-group {
    margin-bottom: 1rem;
}

.llfp-email-access-form .llfp-submit-button {
    width: 100%;
}

/* Content Preview */
.llfp-content-preview {
    position: relative;
    max-height: 200px;
    overflow: hidden;
}

.llfp-content-preview::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--llfp-bg-light));
    pointer-events: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .llfp-form-container {
        padding: 1.5rem;
        margin: 1rem;
        border-radius: var(--llfp-radius);
    }
    
    .llfp-form-title {
        font-size: 1.5rem;
    }
    
    .llfp-form-row {
        flex-direction: column;
    }
    
    .llfp-form-row .llfp-form-group {
        min-width: 100%;
    }
    
    .llfp-name-fields {
        flex-direction: column;
    }
    
    .llfp-name-fields .llfp-form-group {
        min-width: 100%;
    }
    
    .llfp-payment-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .llfp-checkbox-group.llfp-inline,
    .llfp-radio-group.llfp-inline {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .llfp-form-container {
        padding: 1rem;
        margin: 0.5rem;
    }
    
    .llfp-form-title {
        font-size: 1.25rem;
    }
    
    .llfp-submit-button {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }
}

/* Print Styles */
@media print {
    .llfp-form-container {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .llfp-submit-container {
        display: none;
    }
    
    .llfp-payment-section {
        background: #f9f9f9;
        border: 1px solid #ddd;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .llfp-input,
    .llfp-select,
    .llfp-textarea {
        border-width: 2px;
    }
    
    .llfp-checkbox-input,
    .llfp-radio-input {
        border-width: 3px;
    }
}

/* Focus Visible for Keyboard Navigation */
.llfp-input:focus-visible,
.llfp-select:focus-visible,
.llfp-textarea:focus-visible,
.llfp-submit-button:focus-visible,
.llfp-checkbox-input:focus-visible,
.llfp-radio-input:focus-visible {
    outline: 2px solid var(--llfp-primary);
    outline-offset: 2px;
}