/**
 * Form Wizard Styles
 *
 * Styles for 5-step wizard form layout with progress indicator,
 * navigation buttons, and step transitions.
 *
 * Design tokens from design-system.css are used throughout.
 */

/* =============================================================================
   Wizard Container
   ============================================================================= */

.wizard-form {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-6, 32px) var(--space-4, 16px);
}

@media (min-width: 768px) {
    .wizard-form {
        padding: var(--space-7, 48px) var(--space-6, 32px);
    }
}

/* =============================================================================
   Progress Indicator
   ============================================================================= */

.wizard-progress {
    margin-bottom: var(--space-6, 32px);
    padding: 0 var(--space-2, 8px);
}

.wizard-progress__steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: step;
}

.wizard-progress__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    text-align: center;
    cursor: pointer;
    user-select: none;
}

.wizard-progress__step:hover .wizard-progress__number {
    transform: scale(1.05);
}

.wizard-progress__step:focus {
    outline: none;
}

.wizard-progress__step:focus-visible .wizard-progress__number {
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.4);
}

/* Step Number Circle */
.wizard-progress__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--wizard-step-size, 36px);
    height: var(--wizard-step-size, 36px);
    border-radius: 50%;
    background-color: var(--color-gray-200, #e2e8f0);
    color: var(--color-gray-600, #4a5568);
    font-weight: 600;
    font-size: var(--font-size-sm, 0.875rem);
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
    position: relative;
    z-index: 1;
}

/* Step Label */
.wizard-progress__label {
    margin-top: var(--space-2, 8px);
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--color-gray-500, #718096);
    font-weight: 500;
    max-width: 80px;
    line-height: 1.3;
}

/* Connector Line Between Steps */
.wizard-progress__connector {
    position: absolute;
    top: calc(var(--wizard-step-size, 36px) / 2);
    left: calc(50% + var(--wizard-step-size, 36px) / 2 + 4px);
    right: calc(-50% + var(--wizard-step-size, 36px) / 2 + 4px);
    height: var(--wizard-connector-height, 2px);
    background-color: var(--color-gray-200, #e2e8f0);
    transition: background-color 0.3s ease;
}

/* Active Step State */
.wizard-progress__step.is-active .wizard-progress__number {
    background-color: var(--color-primary, #1a365d);
    color: var(--color-white, #ffffff);
    transform: scale(1.1);
    box-shadow: 0 0 0 4px rgba(26, 54, 93, 0.2);
}

.wizard-progress__step.is-active .wizard-progress__label {
    color: var(--color-primary, #1a365d);
    font-weight: 600;
}

/* Complete Step State */
.wizard-progress__step.is-complete .wizard-progress__number {
    background-color: var(--color-success, #38a169);
    color: var(--color-white, #ffffff);
}

.wizard-progress__step.is-complete .wizard-progress__label {
    color: var(--color-success, #38a169);
}

.wizard-progress__step.is-complete .wizard-progress__connector {
    background-color: var(--color-success, #38a169);
}

/* Error/Warning Step State */
.wizard-progress__step.has-errors .wizard-progress__number {
    background-color: var(--color-warning, #d69e2e);
    color: var(--color-white, #ffffff);
}

.wizard-progress__step.has-errors .wizard-progress__label {
    color: var(--color-warning, #d69e2e);
}

/* Icon Styles */
.wizard-progress__icon {
    width: 16px;
    height: 16px;
}

.wizard-progress__icon--check {
    stroke: currentColor;
}

.wizard-progress__icon--warning {
    stroke: currentColor;
}

/* =============================================================================
   Mobile Progress Indicator
   ============================================================================= */

@media (max-width: 640px) {
    .wizard-progress__steps {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: var(--space-2, 8px);
        -webkit-overflow-scrolling: touch;
    }

    .wizard-progress__step {
        min-width: 60px;
        flex: 0 0 auto;
    }

    .wizard-progress__label {
        font-size: 0.625rem;
        max-width: 60px;
    }

    .wizard-progress__number {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }

    .wizard-progress__connector {
        top: 14px;
    }

    /* Hide labels on very small screens, show only on active */
    @media (max-width: 400px) {
        .wizard-progress__label {
            display: none;
        }

        .wizard-progress__step.is-active .wizard-progress__label {
            display: block;
        }
    }
}

/* =============================================================================
   Step Content
   ============================================================================= */

.wizard-step {
    animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Step Group Container */
.wizard-step__group {
    margin-bottom: var(--space-5, 24px);
}

.wizard-step__title {
    font-size: var(--font-size-lg, 1.125rem);
    font-weight: 600;
    color: var(--color-gray-900, #1a202c);
    margin-bottom: var(--space-4, 16px);
    padding-bottom: var(--space-2, 8px);
    border-bottom: 1px solid var(--color-gray-200, #e2e8f0);
}

/* =============================================================================
   Navigation Buttons
   ============================================================================= */

.wizard-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4, 16px);
    margin-top: var(--space-6, 32px);
    padding-top: var(--space-5, 24px);
    border-top: 1px solid var(--color-gray-200, #e2e8f0);
}

.wizard-navigation__spacer {
    flex: 1;
}

.wizard-prev,
.wizard-next,
.wizard-submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2, 8px);
    min-width: 120px;
    justify-content: center;
}

.wizard-submit {
    min-width: 180px;
}

/* Button Icon Positioning */
.btn__icon--left {
    margin-right: var(--space-1, 4px);
}

.btn__icon--right {
    margin-left: var(--space-1, 4px);
}

/* =============================================================================
   Validation Warning Banner
   ============================================================================= */

.wizard-validation-warning {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3, 12px);
    padding: var(--space-3, 12px) var(--space-4, 16px);
    margin-top: var(--space-4, 16px);
    background-color: var(--color-warning-light, #fffbeb);
    border: 1px solid var(--color-warning, #d69e2e);
    border-radius: var(--border-radius, 6px);
    color: var(--color-warning-dark, #744210);
    font-size: var(--font-size-sm, 0.875rem);
}

.wizard-validation-warning[hidden] {
    display: none;
}

.wizard-validation-warning__icon {
    flex-shrink: 0;
    color: var(--color-warning, #d69e2e);
}

.wizard-validation-warning__text {
    flex: 1;
}

/* =============================================================================
   Draft Restore Prompt
   ============================================================================= */

.wizard-restore-prompt {
    display: flex;
    flex-direction: column;
    gap: var(--space-4, 16px);
    padding: var(--space-5, 24px);
    margin-bottom: var(--space-6, 32px);
    background-color: var(--color-info-light, #ebf8ff);
    border: 1px solid var(--color-info, #3182ce);
    border-radius: var(--border-radius, 6px);
}

.wizard-restore-prompt[hidden] {
    display: none;
}

.wizard-restore-prompt__message {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3, 12px);
}

.wizard-restore-prompt__icon {
    flex-shrink: 0;
    color: var(--color-info, #3182ce);
}

.wizard-restore-prompt__text {
    flex: 1;
    color: var(--color-info-dark, #2c5282);
}

.wizard-restore-prompt__text strong {
    display: block;
    margin-bottom: var(--space-1, 4px);
}

.wizard-restore-prompt__actions {
    display: flex;
    gap: var(--space-3, 12px);
    margin-left: calc(20px + var(--space-3, 12px));
}

/* =============================================================================
   Skip Link
   ============================================================================= */

.wizard-skip-link {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.wizard-skip-link:focus {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    display: inline-block;
    padding: var(--space-2, 8px) var(--space-3, 12px);
    background-color: var(--color-primary, #1a365d);
    color: var(--color-white, #ffffff);
    text-decoration: none;
    border-radius: var(--border-radius, 6px);
    margin-bottom: var(--space-4, 16px);
}

/* =============================================================================
   Focus Indicators
   ============================================================================= */

.wizard-prev:focus-visible,
.wizard-next:focus-visible,
.wizard-submit:focus-visible {
    outline: 2px solid var(--color-primary, #1a365d);
    outline-offset: 2px;
}

/* =============================================================================
   Reduced Motion
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
    .wizard-step {
        animation: none;
    }

    .wizard-progress__number {
        transition: none;
    }

    .wizard-progress__connector {
        transition: none;
    }
}

/* =============================================================================
   Review Step Specific Styles
   ============================================================================= */

.review-section {
    margin-bottom: var(--space-5, 24px);
    padding: var(--space-4, 16px);
    background-color: var(--color-gray-50, #f7fafc);
    border: 1px solid var(--color-gray-200, #e2e8f0);
    border-radius: var(--border-radius, 6px);
}

.review-section__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3, 12px);
}

.review-section__title {
    font-size: var(--font-size-base, 1rem);
    font-weight: 600;
    color: var(--color-gray-800, #2d3748);
    margin: 0;
}

.review-section__edit {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-primary, #1a365d);
    text-decoration: none;
}

.review-section__edit:hover,
.review-section__edit:focus {
    text-decoration: underline;
}

.review-section__content {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-gray-700, #4a5568);
}

.review-section__content dl {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-2, 8px) var(--space-4, 16px);
    margin: 0;
}

.review-section__content dt {
    font-weight: 500;
    color: var(--color-gray-600, #718096);
}

.review-section__content dd {
    margin: 0;
}

/* Collapsible Books Section */
.review-section--collapsible .review-section__header {
    cursor: pointer;
}

.review-section--collapsible .review-section__toggle {
    background: none;
    border: none;
    padding: var(--space-1, 4px);
    cursor: pointer;
    color: var(--color-gray-500, #718096);
    transition: transform 0.2s ease;
}

.review-section--collapsible.is-collapsed .review-section__toggle {
    transform: rotate(-90deg);
}

.review-section--collapsible.is-collapsed .review-section__content {
    display: none;
}

/* Headshot Preview */
.review-headshot {
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
}

.review-headshot__image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-gray-200, #e2e8f0);
}

/* Books List in Review */
.review-books-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.review-books-list__item {
    padding: var(--space-2, 8px) 0;
    border-bottom: 1px solid var(--color-gray-200, #e2e8f0);
}

.review-books-list__item:last-child {
    border-bottom: none;
}

.review-books-list__title {
    font-weight: 500;
}

.review-books-list__details {
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--color-gray-500, #718096);
}

/* =============================================================================
   Step Title with Icon
   ============================================================================= */

.wizard-step__title {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
}

.wizard-step__title-icon {
    flex-shrink: 0;
    color: var(--color-primary, #1a365d);
}

/* =============================================================================
   Wizard Step Divider
   ============================================================================= */

.wizard-step__divider {
    border: none;
    border-top: 1px solid var(--color-gray-200, #e2e8f0);
    margin: var(--space-5, 24px) 0;
}

/* =============================================================================
   Checkbox Grid (for genres, age groups)
   ============================================================================= */

.checkbox-grid {
    display: grid;
    gap: var(--space-2, 8px);
}

.checkbox-grid--genres {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.checkbox-grid--age-groups {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

@media (max-width: 640px) {
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================================================
   Checkbox List (vertical layout for availability)
   ============================================================================= */

.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3, 12px);
}

.form-checkbox--detailed label {
    display: flex;
    flex-direction: column;
    gap: var(--space-1, 4px);
}

.form-checkbox__label {
    font-weight: 500;
}

.form-checkbox__description {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-gray-500, #718096);
    padding-left: var(--space-6, 32px);
}

.form-checkbox.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.form-checkbox.is-disabled label {
    cursor: not-allowed;
}

/* =============================================================================
   Form Fieldset Footer (counter + hint)
   ============================================================================= */

.form-fieldset-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-3, 12px);
    padding-top: var(--space-2, 8px);
    border-top: 1px solid var(--color-gray-100, #f7fafc);
}

/* =============================================================================
   Book Entry Styles
   ============================================================================= */

.book-entry {
    background-color: var(--color-gray-50, #f7fafc);
    border: 1px solid var(--color-gray-200, #e2e8f0);
    border-radius: var(--border-radius, 6px);
    padding: var(--space-4, 16px);
    margin-bottom: var(--space-4, 16px);
}

.book-entry__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4, 16px);
    padding-bottom: var(--space-3, 12px);
    border-bottom: 1px solid var(--color-gray-200, #e2e8f0);
}

.book-entry__title {
    font-size: var(--font-size-base, 1rem);
    font-weight: 600;
    color: var(--color-gray-800, #2d3748);
    margin: 0;
}

.book-entry__remove {
    color: var(--color-error, #e53e3e);
}

.book-entry__isbn-lookup {
    margin-bottom: var(--space-4, 16px);
}

.book-entry__fields {
    display: flex;
    flex-direction: column;
    gap: var(--space-4, 16px);
}

/* Input Group (ISBN with button) */
.input-group {
    display: flex;
    gap: var(--space-2, 8px);
}

.input-group .form-input {
    flex: 1;
}

.input-group .btn {
    flex-shrink: 0;
    white-space: nowrap;
}

/* ISBN Lookup Status */
.isbn-lookup-status {
    margin-top: var(--space-2, 8px);
    padding: var(--space-2, 8px) var(--space-3, 12px);
    border-radius: var(--border-radius, 6px);
    font-size: var(--font-size-sm, 0.875rem);
}

.isbn-lookup-status--loading {
    background-color: var(--color-gray-100, #f7fafc);
    color: var(--color-gray-600, #718096);
}

.isbn-lookup-status--success {
    background-color: var(--color-success-light, #f0fff4);
    color: var(--color-success-dark, #22543d);
}

.isbn-lookup-status--warning {
    background-color: var(--color-warning-light, #fffbeb);
    color: var(--color-warning-dark, #744210);
}

.isbn-lookup-status--error {
    background-color: var(--color-error-light, #fff5f5);
    color: var(--color-error-dark, #742a2a);
}

/* =============================================================================
   Book Cover Upload
   ============================================================================= */

.book-cover-upload {
    position: relative;
}

.book-cover-upload__dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2, 8px);
    padding: var(--space-4, 16px);
    background-color: var(--color-white, #ffffff);
    border: 2px dashed var(--color-gray-300, #cbd5e0);
    border-radius: var(--border-radius, 6px);
    text-align: center;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.book-cover-upload__dropzone:hover,
.book-cover-upload__dropzone.is-dragover {
    border-color: var(--color-primary, #1a365d);
    background-color: var(--color-primary-light, #ebf4ff);
}

.book-cover-upload__icon {
    color: var(--color-gray-400, #a0aec0);
}

.book-cover-upload__text {
    margin: 0;
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-gray-600, #718096);
}

.book-cover-upload__link {
    color: var(--color-primary, #1a365d);
    cursor: pointer;
    text-decoration: underline;
}

.book-cover-upload__hint {
    margin: 0;
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--color-gray-500, #718096);
}

.book-cover-upload__input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.book-cover-upload__preview {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3, 12px);
    padding: var(--space-3, 12px);
    background-color: var(--color-white, #ffffff);
    border: 1px solid var(--color-gray-200, #e2e8f0);
    border-radius: var(--border-radius, 6px);
}

.book-cover-upload__image {
    width: 80px;
    height: 120px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* =============================================================================
   Books Actions (Add button + counter)
   ============================================================================= */

.books-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4, 16px);
    margin-top: var(--space-4, 16px);
}

.books-counter {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-gray-500, #718096);
}

/* =============================================================================
   Review Bio Layout
   ============================================================================= */

.review-bio-layout {
    display: flex;
    gap: var(--space-4, 16px);
}

.review-bio-layout .review-headshot {
    flex-shrink: 0;
}

.review-bio-text {
    flex: 1;
}

.review-biography {
    white-space: pre-wrap;
    word-break: break-word;
}

@media (max-width: 640px) {
    .review-bio-layout {
        flex-direction: column;
    }
}

/* =============================================================================
   Review Validation Summary
   ============================================================================= */

.review-validation-summary {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3, 12px);
    padding: var(--space-4, 16px);
    margin-bottom: var(--space-5, 24px);
    background-color: var(--color-error-light, #fff5f5);
    border: 1px solid var(--color-error, #e53e3e);
    border-radius: var(--border-radius, 6px);
    color: var(--color-error-dark, #742a2a);
}

.review-validation-summary svg {
    flex-shrink: 0;
    color: var(--color-error, #e53e3e);
}

.review-validation-summary ul {
    margin: var(--space-2, 8px) 0 0;
    padding-left: var(--space-4, 16px);
}

/* =============================================================================
   Review Notes and Missing
   ============================================================================= */

.review-note {
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--color-gray-500, #718096);
    font-style: italic;
}

.review-missing {
    color: var(--color-warning-dark, #744210);
    font-style: italic;
}

/* =============================================================================
   Submit Info Banner
   ============================================================================= */

.wizard-submit-info {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3, 12px);
    padding: var(--space-4, 16px);
    margin-top: var(--space-5, 24px);
    background-color: var(--color-gray-50, #f7fafc);
    border: 1px solid var(--color-gray-200, #e2e8f0);
    border-radius: var(--border-radius, 6px);
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-gray-700, #4a5568);
}

.wizard-submit-info svg {
    flex-shrink: 0;
    color: var(--color-gray-400, #a0aec0);
}

.wizard-submit-info p {
    margin: 0;
}

/* =============================================================================
   Auto-save Status
   ============================================================================= */

.wizard-autosave-status {
    position: fixed;
    bottom: var(--space-4, 16px);
    right: var(--space-4, 16px);
    padding: var(--space-2, 8px) var(--space-4, 16px);
    background-color: var(--color-success, #38a169);
    color: var(--color-white, #ffffff);
    border-radius: var(--border-radius, 6px);
    font-size: var(--font-size-sm, 0.875rem);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.wizard-autosave-status:not([hidden]) {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================================================
   Form Row Layouts
   ============================================================================= */

.form-row {
    display: flex;
    gap: var(--space-4, 16px);
}

.form-field--half {
    flex: 1;
}

.form-field--third {
    flex: 0 0 33.333%;
}

.form-field--two-thirds {
    flex: 0 0 66.666%;
}

.form-field--quarter {
    flex: 0 0 25%;
}

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

    .form-field--half,
    .form-field--third,
    .form-field--two-thirds,
    .form-field--quarter {
        flex: 1;
    }
}

/* =============================================================================
   Form Details (Collapsible sections)
   ============================================================================= */

.form-details {
    border: 1px solid var(--color-gray-200, #e2e8f0);
    border-radius: var(--border-radius, 6px);
    margin-top: var(--space-4, 16px);
}

.form-details__summary {
    display: flex;
    align-items: center;
    gap: var(--space-2, 8px);
    padding: var(--space-3, 12px) var(--space-4, 16px);
    cursor: pointer;
    font-weight: 500;
    color: var(--color-gray-700, #4a5568);
    list-style: none;
}

.form-details__summary::-webkit-details-marker {
    display: none;
}

.form-details__icon {
    transition: transform 0.2s ease;
}

.form-details[open] .form-details__icon {
    transform: rotate(180deg);
}

.form-details__content {
    padding: 0 var(--space-4, 16px) var(--space-4, 16px);
}

/* =============================================================================
   Important Checkbox (terms)
   ============================================================================= */

.form-checkbox--important {
    padding: var(--space-3, 12px);
    background-color: var(--color-gray-50, #f7fafc);
    border: 1px solid var(--color-gray-200, #e2e8f0);
    border-radius: var(--border-radius, 6px);
}

/* =============================================================================
   reCAPTCHA Container
   ============================================================================= */

.recaptcha-container {
    margin: var(--space-4, 16px) 0;
}

/* =============================================================================
   Spinner
   ============================================================================= */

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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