.ufb-page {
    max-width: 640px;
    margin: 2rem auto;
    padding: 0 1rem;
    font-family: system-ui, sans-serif;
}

.ufb-form {
    --ufb-color-primary: #1b264f;
    --ufb-color-accent: #3544b1;
    --ufb-color-surface: #ffffff;
    --ufb-color-text: #1b1b1b;
    --ufb-color-heading: #1b1b1b;
    --ufb-color-muted: #555555;
    --ufb-color-border: #cccccc;
    --ufb-color-error: #b71c1c;
    --ufb-color-error-surface: #ffebee;
    --ufb-color-success-surface: #e8f5e9;
    --ufb-color-success-text: #1b5e20;
    --ufb-color-warning-surface: #fff3e0;
    --ufb-color-warning-text: #e65100;
    --ufb-spacing-field: 1.25rem;
    --ufb-spacing-input-y: 0.6rem;
    --ufb-spacing-input-x: 0.6rem;
    --ufb-spacing-actions: 1.5rem;
    --ufb-radius-input: 4px;
    --ufb-radius-button: 4px;
    --ufb-label-weight: 600;
    --ufb-button-padding-y: 0.6rem;
    --ufb-button-padding-x: 1.4rem;
    --ufb-input-border-width: 1px;
    --ufb-font-size: 1rem;
    --ufb-label-size: 1rem;
    --ufb-help-size: 0.875rem;
    --ufb-title-size: 1.75rem;
    --ufb-caption-size: 1.35rem;
    --ufb-legend-size: 1.15rem;

    background: var(--ufb-color-surface);
    color: var(--ufb-color-text);
    border-radius: var(--ufb-radius-input);
    font-size: var(--ufb-font-size);
    padding: 1.25rem 1.5rem;
    box-sizing: border-box;
}

.ufb-form-title {
    margin-bottom: 1rem;
    font-size: var(--ufb-title-size);
    color: var(--ufb-color-heading);
}

.ufb-form-description {
    color: var(--ufb-color-muted);
}

.ufb-fieldset {
    border: none;
    margin: 0 0 1.5rem;
    padding: 0;
}

.ufb-fieldset legend {
    font-size: var(--ufb-legend-size);
    font-weight: var(--ufb-label-weight);
    margin-bottom: 0.75rem;
    padding: 0;
    color: var(--ufb-color-heading);
}

.ufb-page-caption {
    font-size: var(--ufb-caption-size);
    margin: 0 0 1rem;
    color: var(--ufb-color-heading);
}

.ufb-container {
    margin-bottom: 1rem;
}

.ufb-container-caption {
    font-size: 0.875rem;
    color: var(--ufb-color-muted);
    margin: 0 0 0.5rem;
}

.ufb-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.ufb-col {
    min-width: 0;
    box-sizing: border-box;
}

@media (max-width: 640px) {
    .ufb-row {
        flex-direction: column;
    }

    .ufb-col {
        flex: 1 1 100% !important;
    }
}

.ufb-field {
    margin-bottom: var(--ufb-spacing-field);
}

.ufb-field-condition-hidden {
    display: none !important;
}

.ufb-fieldset.ufb-field-condition-hidden,
.ufb-form-step.ufb-field-condition-hidden {
    display: none !important;
}

.ufb-label {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
    font-weight: var(--ufb-label-weight);
    font-size: var(--ufb-label-size);
    margin-bottom: 0.25rem;
}

.ufb-label-text {
    display: inline;
}

.ufb-input {
    width: 100%;
    padding: var(--ufb-spacing-input-y) var(--ufb-spacing-input-x);
    box-sizing: border-box;
    border: var(--ufb-input-border-width) solid var(--ufb-color-border);
    border-radius: var(--ufb-radius-input);
    color: var(--ufb-color-text);
    background: var(--ufb-color-surface);
    font-size: var(--ufb-font-size);
}

.ufb-input:focus {
    outline: 2px solid var(--ufb-color-accent);
    outline-offset: 1px;
    border-color: var(--ufb-color-accent);
}

.ufb-input-multiple,
select.ufb-input[multiple] {
    min-height: 6.5rem;
    padding: var(--ufb-spacing-input-y) var(--ufb-spacing-input-x);
}

/* Multi-select dropdown with chips */
.ufb-multiselect {
    position: relative;
    width: 100%;
}

.ufb-multiselect__control {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    min-height: 2.5rem;
    width: 100%;
    box-sizing: border-box;
    padding: 0.35rem 2rem 0.35rem 0.5rem;
    border: var(--ufb-input-border-width) solid var(--ufb-color-border);
    border-radius: var(--ufb-radius-input);
    background: var(--ufb-color-surface);
    color: var(--ufb-color-text);
    cursor: pointer;
}

.ufb-multiselect.is-open .ufb-multiselect__control,
.ufb-multiselect__control:focus {
    outline: 2px solid var(--ufb-color-accent);
    outline-offset: 1px;
    border-color: var(--ufb-color-accent);
}

.ufb-multiselect__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    flex: 1 1 auto;
    min-width: 0;
}

.ufb-multiselect__chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    max-width: 100%;
    padding: 0.15rem 0.35rem 0.15rem 0.5rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--ufb-color-primary) 12%, var(--ufb-color-surface));
    border: 1px solid color-mix(in srgb, var(--ufb-color-primary) 35%, var(--ufb-color-border));
    color: var(--ufb-color-text);
    font-size: 0.875rem;
    line-height: 1.3;
}

.ufb-multiselect__chip-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ufb-multiselect__chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.15rem;
    height: 1.15rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--ufb-color-muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
}

.ufb-multiselect__chip-remove:hover,
.ufb-multiselect__chip-remove:focus-visible {
    color: var(--ufb-color-text);
    background: color-mix(in srgb, var(--ufb-color-primary) 18%, transparent);
    outline: none;
}

.ufb-multiselect__placeholder {
    flex: 1 1 auto;
    color: var(--ufb-color-muted);
    font-size: var(--ufb-font-size);
    pointer-events: none;
}

.ufb-multiselect__chevron {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid var(--ufb-color-muted);
    border-bottom: 2px solid var(--ufb-color-muted);
    transform: translateY(-65%) rotate(45deg);
    pointer-events: none;
}

.ufb-multiselect.is-open .ufb-multiselect__chevron {
    transform: translateY(-20%) rotate(225deg);
}

.ufb-multiselect__dropdown {
    position: absolute;
    z-index: 30;
    left: 0;
    right: 0;
    top: calc(100% + 0.25rem);
    max-height: 14rem;
    overflow: auto;
    border: 1px solid var(--ufb-color-border);
    border-radius: var(--ufb-radius-input);
    background: var(--ufb-color-surface);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.ufb-multiselect__list {
    list-style: none;
    margin: 0;
    padding: 0.25rem 0;
}

.ufb-multiselect__option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.55rem 0.75rem;
    cursor: pointer;
    color: var(--ufb-color-text);
    font-size: var(--ufb-font-size);
}

.ufb-multiselect__option:hover,
.ufb-multiselect__option:focus-visible {
    background: color-mix(in srgb, var(--ufb-color-primary) 8%, var(--ufb-color-surface));
    outline: none;
}

.ufb-multiselect__option.is-selected {
    background: color-mix(in srgb, var(--ufb-color-primary) 14%, var(--ufb-color-surface));
    font-weight: 600;
}

.ufb-multiselect__option-check {
    width: 0.85rem;
    height: 0.45rem;
    border-left: 2px solid transparent;
    border-bottom: 2px solid transparent;
    transform: rotate(-45deg);
    flex-shrink: 0;
}

.ufb-multiselect__option.is-selected .ufb-multiselect__option-check {
    border-left-color: var(--ufb-color-primary);
    border-bottom-color: var(--ufb-color-primary);
}

.ufb-multiselect__values {
    display: none;
}

.ufb-password-wrapper {
    position: relative;
}

.ufb-password-input {
    padding-right: 2.75rem;
}

.ufb-password-toggle {
    position: absolute;
    top: 50%;
    right: 0.375rem;
    z-index: 2;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    border-radius: var(--ufb-radius-input);
    background: transparent;
    color: var(--ufb-color-muted);
    cursor: pointer;
}

.ufb-password-toggle:hover {
    color: var(--ufb-color-text);
    background: rgba(0, 0, 0, 0.05);
}

.ufb-password-toggle:focus-visible {
    outline: 2px solid var(--ufb-color-accent);
    outline-offset: 1px;
}

.ufb-password-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.125rem;
    height: 1.125rem;
}

.ufb-password-icon svg {
    width: 100%;
    height: 100%;
}

.ufb-password-icon-open {
    display: none;
}

.ufb-password-toggle.ufb-password-visible .ufb-password-icon-closed {
    display: none;
}

.ufb-password-toggle.ufb-password-visible .ufb-password-icon-open {
    display: flex;
}

.ufb-retained-files {
    margin-bottom: 0.5rem;
}

.ufb-retained-file {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--ufb-color-border);
    border-radius: var(--ufb-radius-input);
    background: color-mix(in srgb, var(--ufb-color-surface) 92%, var(--ufb-color-muted));
}

.ufb-retained-file-preview {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--ufb-radius-input);
}

.ufb-retained-file-name {
    font-size: 0.875rem;
    color: var(--ufb-color-text);
    word-break: break-all;
}

.ufb-selected-files {
    margin-top: 0.5rem;
}

.ufb-selected-files-summary {
    margin: 0 0 0.35rem;
    font-size: 0.875rem;
    font-weight: var(--ufb-label-weight);
    color: var(--ufb-color-text);
}

.ufb-selected-files-list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.ufb-selected-file {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--ufb-color-border);
    border-radius: var(--ufb-radius-input);
    background: color-mix(in srgb, var(--ufb-color-surface) 92%, var(--ufb-color-muted));
}

.ufb-selected-file-details {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex: 1;
    min-width: 0;
}

.ufb-selected-file-name {
    font-size: 0.875rem;
    color: var(--ufb-color-text);
    word-break: break-all;
}

.ufb-selected-file-size {
    flex-shrink: 0;
    font-size: 0.8125rem;
    color: var(--ufb-color-muted);
}

.ufb-selected-file-remove {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: none;
    border-radius: var(--ufb-radius-input);
    background: transparent;
    color: var(--ufb-color-muted);
    font-size: 1.125rem;
    line-height: 1;
    cursor: pointer;
}

.ufb-selected-file-remove:hover {
    color: var(--ufb-color-error);
    background: var(--ufb-color-error-surface);
}

.ufb-selected-file-remove:focus {
    outline: 2px solid var(--ufb-color-accent);
    outline-offset: 1px;
}

.ufb-selected-file-remove:focus:not(:focus-visible) {
    outline: none;
}

.ufb-selected-file-remove:focus-visible {
    outline: 2px solid var(--ufb-color-accent);
    outline-offset: 1px;
}

.ufb-input-file {
    padding: 0.25rem 0;
}

.ufb-help {
    display: block;
    font-size: var(--ufb-help-size);
    color: var(--ufb-color-muted);
    margin-top: 0.25rem;
}

/* Help text tooltip (ⓘ next to field label) */
.ufb-help-icon-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    vertical-align: middle;
}

.ufb-help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.15rem;
    height: 1.15rem;
    padding: 0;
    margin: 0;
    border: none;
    background: transparent;
    color: var(--ufb-color-muted);
    opacity: 0.65;
    cursor: help;
    line-height: 1;
    border-radius: 50%;
}

.ufb-help-icon:hover,
.ufb-help-icon:focus-visible,
.ufb-help-icon-wrapper:focus-within .ufb-help-icon {
    opacity: 1;
    color: var(--ufb-color-accent, var(--ufb-color-text));
    outline: none;
}

.ufb-help-icon:focus-visible {
    outline: 2px solid var(--ufb-color-accent, currentColor);
    outline-offset: 1px;
}

.ufb-help-bubble {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 10rem;
    max-width: 16rem;
    padding: 0.5rem 0.65rem;
    background: var(--ufb-color-surface, #fff);
    color: var(--ufb-color-text);
    font-size: var(--ufb-help-size);
    font-weight: 400;
    line-height: 1.45;
    border: 1px solid var(--ufb-color-border);
    border-radius: var(--ufb-radius-input, 4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    white-space: normal;
    word-break: break-word;
    z-index: 20;
    pointer-events: none;
    text-align: left;
}

.ufb-help-bubble::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--ufb-color-border);
}

.ufb-help-icon-wrapper:hover .ufb-help-bubble,
.ufb-help-icon-wrapper:focus-within .ufb-help-bubble {
    display: block;
}

.ufb-field-recaptcha {
    margin-bottom: 1.5rem;
}

.ufb-field-recaptcha .g-recaptcha {
    margin-top: 0.5rem;
}

.ufb-option {
    display: block;
    margin: 0.25rem 0;
}

.ufb-field-checkbox .ufb-options {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ufb-field-checkbox.ufb-layout-horizontal .ufb-options {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
}

.ufb-field-checkbox.ufb-layout-horizontal .ufb-option {
    margin: 0;
}

.ufb-field-radio .ufb-options {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ufb-field-radio.ufb-layout-horizontal .ufb-options {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
}

.ufb-field-radio.ufb-layout-horizontal .ufb-option {
    margin: 0;
}

.ufb-field-title-description {
    margin-bottom: 1rem;
}

.ufb-title-caption,
.ufb-title-headline {
    margin: 0 0 0.35rem;
    font-weight: 600;
    line-height: 1.3;
}

.ufb-title-body {
    margin: 0;
    color: var(--ufb-color-muted, #666);
    white-space: pre-wrap;
}

.ufb-field-richtext .ufb-richtext-content {
    line-height: 1.5;
}

.ufb-field-richtext .ufb-richtext-content :first-child {
    margin-top: 0;
}

.ufb-field-richtext .ufb-richtext-content :last-child {
    margin-bottom: 0;
}

.ufb-field-signature .ufb-signature-pad-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ufb-signature-mode {
    margin-bottom: 0.75rem;
}

.ufb-signature-mode-select {
    width: 100%;
    max-width: 28rem;
}

.ufb-signature-panel[hidden] {
    display: none !important;
}

.ufb-signature-canvas {
    width: 100%;
    touch-action: none;
    cursor: crosshair;
    border: 1px solid var(--ufb-color-border, #ccc);
    border-radius: 4px;
    background: #fff;
    display: block;
}

.ufb-signature-file {
    width: 100%;
    max-width: 28rem;
}

.ufb-signature-upload-hint {
    margin: 0.35rem 0 0;
    font-size: 0.875rem;
    color: var(--ufb-color-text-muted, #666);
}

.ufb-signature-upload-preview {
    margin-top: 0.5rem;
}

.ufb-signature-upload-img {
    max-width: 100%;
    max-height: 180px;
    border: 1px solid var(--ufb-color-border, #ccc);
    border-radius: 4px;
    background: #fff;
}

.ufb-signature-clear {
    align-self: flex-start;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--ufb-color-border, #ccc);
    border-radius: 4px;
    background: var(--ufb-color-surface, #fff);
    color: var(--ufb-color-text, #222);
    cursor: pointer;
    font: inherit;
}

.ufb-signature-clear:hover {
    background: var(--ufb-color-surface-alt, #f5f5f5);
}

.ufb-signature-client-error:not([hidden]) {
    display: block;
    margin-top: 0.5rem;
}

.ufb-option-with-help {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.ufb-form-step[hidden] {
    display: none;
}

.ufb-form-element[data-ufb-wizard="true"] .ufb-form-step:not(.ufb-page-active) {
    display: none;
}

.ufb-form-element[data-ufb-wizard="true"] .ufb-form-step.ufb-page-active {
    display: block;
}

.ufb-page-progress {
    font-size: 0.875rem;
    color: var(--ufb-color-muted);
    margin: 0 0 1rem;
}

.ufb-form-actions {
    margin-top: var(--ufb-spacing-actions);
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.ufb-button {
    padding: var(--ufb-button-padding-y) var(--ufb-button-padding-x);
    cursor: pointer;
    border: 1px solid var(--ufb-color-primary);
    border-radius: var(--ufb-radius-button);
    background: var(--ufb-color-primary);
    color: #ffffff;
    font-size: var(--ufb-font-size);
}

.ufb-button:hover {
    background: color-mix(in srgb, var(--ufb-color-primary) 88%, #000000);
}

.ufb-button:focus-visible {
    outline: 2px solid var(--ufb-color-accent);
    outline-offset: 2px;
}

.ufb-button.ufb-previous,
.ufb-button.ufb-next {
    background: transparent;
    color: var(--ufb-color-primary);
}

.ufb-button.ufb-previous:hover,
.ufb-button.ufb-next:hover {
    background: color-mix(in srgb, var(--ufb-color-primary) 8%, transparent);
}

.ufb-button[hidden] {
    display: none;
}

.ufb-form-missing,
.ufb-success {
    padding: 1rem;
    border-radius: var(--ufb-radius-input);
}

.ufb-success {
    background: var(--ufb-color-success-surface);
    color: var(--ufb-color-success-text);
}

.ufb-form-missing {
    background: var(--ufb-color-warning-surface);
    color: var(--ufb-color-warning-text);
}

.ufb-validation-error {
    background: var(--ufb-color-error-surface);
    color: var(--ufb-color-error);
    padding: 1rem;
    border-radius: var(--ufb-radius-input);
    margin-bottom: 1rem;
}

.ufb-validation-error ul {
    margin: 0.5rem 0 0;
    padding-left: 1.25rem;
}

.ufb-field-invalid .ufb-input,
.ufb-field-invalid .ufb-input-file {
    border-color: var(--ufb-color-error);
}

.ufb-field-error {
    color: var(--ufb-color-error);
    font-size: 0.875rem;
    display: block;
    margin-top: 0.25rem;
}