/* compare.php (2026-10-29): UnfoldPDF next to a leading desktop OCR program.
   Tokens only (app.css); breakpoints from app.css's list: 640, 760 and a
   min-width 1100 for the three columns side by side. */

.compare-main {
    gap: var(--space-8);
}

.compare-hero {
    text-align: center;
}

.compare-hero h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.025em;
}

.compare-lead {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 44rem;
    margin: var(--space-3) auto 0;
    line-height: 1.55;
}

/* The scans to choose from: a row of small cards, scrolling sideways on
   narrow screens instead of wrapping into a tall grid. */
.compare-picker ul {
    list-style: none;
    margin: 0;
    padding: 0 0 var(--space-2);
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(6.75rem, 1fr);
    gap: var(--space-3);
    overflow-x: auto;
    scroll-snap-type: x proximity;
}

.compare-picker li {
    scroll-snap-align: start;
}

.compare-pick {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    height: 100%;
    padding: var(--space-2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.3;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.compare-pick img {
    display: block;
    width: 100%;
    height: 5.5rem;
    object-fit: cover;
    object-position: top;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--surface-paper);
}

.compare-pick:hover {
    border-color: var(--brand-tint-border);
}

.compare-pick[aria-current="true"] {
    border-color: var(--brand-primary);
    background: var(--brand-tint-subtle);
    color: var(--brand-text);
    box-shadow: inset 0 0 0 1px var(--brand-primary);
}

.compare-pick:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.compare-marks-intro {
    margin: 0;
    font-size: var(--text-md);
    color: var(--text-secondary);
    line-height: 1.55;
    max-width: 52rem;
}

/* One scan. */
.compare-set {
    scroll-margin-top: var(--space-4);
}

.compare-set + .compare-set {
    margin-top: var(--space-12);
}

.compare-main.is-enhanced .compare-set + .compare-set {
    margin-top: 0;
}

.compare-set-count {
    margin: 0;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-muted);
}

.compare-set-head h2 {
    font-size: clamp(1.25rem, 2.6vw, 1.625rem);
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-top: var(--space-1);
}

.compare-set-head h2:focus {
    outline: none;
}

.compare-set-kind {
    margin: var(--space-1) 0 0;
    color: var(--text-secondary);
    font-size: var(--text-base);
}

.compare-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: var(--space-5);
}

.compare-toolbar:not(:has(> :not([hidden]))) {
    display: none;
}

.compare-views {
    display: inline-grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    padding: 3px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card-subtle);
}

.compare-views button,
.compare-marks-toggle {
    font: inherit;
    font-size: var(--text-md);
    font-weight: 500;
    min-height: 2.25rem;
    padding: 0 var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
}

.compare-views button[aria-pressed="true"] {
    background: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.compare-marks-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    border-color: var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
}

.compare-marks-toggle[aria-pressed="true"] {
    background: var(--brand-tint-subtle);
    border-color: var(--brand-primary);
    color: var(--brand-text);
    font-weight: 600;
}

.compare-marks-symbol {
    font-size: 1.125em;
    font-weight: 700;
    line-height: 1;
}

.compare-views button:focus-visible,
.compare-marks-toggle:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

/* The scan and the two results. Phones (enhanced): one column at a time. */
.compare-columns {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-4);
}

.compare-col {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.compare-col figcaption {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-height: 2.75rem;
}

.compare-col-title {
    font-weight: 700;
    font-size: var(--text-base);
}

.compare-col-unfold .compare-col-title {
    color: var(--brand-text);
}

.compare-col-note {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

.compare-page {
    position: relative;
    display: block;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--surface-paper);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.compare-page img {
    display: block;
    width: 100%;
    height: auto;
}

.compare-page:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.compare-page-number {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    padding: 1px var(--space-2);
    border-radius: var(--radius-full);
    background: var(--brand-ink);
    color: var(--brand-cream);
    font-size: var(--text-xs);
    font-weight: 600;
}

.compare-page-marks {
    display: none;
}

.compare-more-pages > summary {
    cursor: pointer;
    padding: var(--space-2) 0;
    font-size: var(--text-md);
    font-weight: 600;
    color: var(--brand-text);
}

.compare-more-pages[open] > summary {
    margin-bottom: var(--space-2);
}

.compare-main.show-marks .compare-page-marks {
    display: block;
}

.compare-main.show-marks .compare-page-plain {
    display: none;
}

.compare-zoom-note {
    margin: var(--space-2) 0 0;
    font-size: var(--text-sm);
    color: var(--text-muted);
}

@media (max-width: 1099px) {
    .compare-main.is-enhanced .compare-set[data-view="source"] .compare-col:not([data-col="source"]),
    .compare-main.is-enhanced .compare-set[data-view="desktop"] .compare-col:not([data-col="desktop"]),
    .compare-main.is-enhanced .compare-set[data-view="unfold"] .compare-col:not([data-col="unfold"]) {
        display: none;
    }

    .compare-main.is-enhanced .compare-col figcaption {
        min-height: 0;
    }
}

@media (min-width: 1100px) {
    .compare-columns {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-5);
        align-items: start;
    }

    .compare-views {
        display: none;
    }
}

/* What differs, and UnfoldPDF's own mistakes. */
.compare-notes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.compare-notes-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-lg);
    font-weight: 700;
}

.compare-notes-title svg {
    flex-shrink: 0;
    color: var(--success-text);
}

.compare-notes-title-muted svg {
    color: var(--text-secondary);
}

.compare-notes ul {
    margin: var(--space-3) 0 0;
    padding-left: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    font-size: var(--text-base);
    line-height: 1.55;
    color: var(--text-secondary);
}

.compare-downloads {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2) var(--space-4);
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-color);
    font-size: var(--text-md);
}

.compare-downloads-label {
    font-weight: 600;
}

.compare-download {
    color: var(--brand-text);
    font-weight: 500;
}

.compare-download span {
    color: var(--text-muted);
    font-weight: 400;
}

.compare-next {
    margin: var(--space-6) 0 0;
    text-align: right;
}

.compare-method {
    border-top: 1px solid var(--border-color);
    padding-top: var(--space-8);
}

.compare-method h2 {
    font-size: clamp(1.25rem, 2.6vw, 1.5rem);
    font-weight: 700;
}

.compare-method ul {
    margin: var(--space-3) 0 0;
    padding-left: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    color: var(--text-secondary);
    line-height: 1.55;
    max-width: 52rem;
}


@media (max-width: 760px) {
    .compare-notes {
        grid-template-columns: minmax(0, 1fr);
    }

    .compare-next {
        text-align: left;
    }
}

@media (max-width: 640px) {
    .compare-views button,
    .compare-marks-toggle {
        min-height: 2.75rem;
    }

    .compare-download {
        display: inline-flex;
        align-items: center;
        gap: 0.3em;
        min-height: 2.75rem;
    }

    .compare-next .btn {
        white-space: normal;
        text-align: left;
    }
}

/* Pop-ups on wide screens (js/compare.js): the scan zoomed in, or the two
   Word files side by side with the formatting-marks switch on top. */
html.compare-dialog-open {
    overflow: hidden;
}

.compare-dialog {
    width: min(96vw, 112rem);
    max-width: none;
    height: 94vh;
    max-height: none;
    margin: auto;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.compare-dialog[open] {
    display: flex;
    flex-direction: column;
}

.compare-dialog[data-kind="source"] {
    width: min(96vw, 72rem);
}

/* The scan and both Word files: as wide as the screen allows. */
.compare-dialog[data-kind="all"] {
    width: 98vw;
}

.compare-dialog::backdrop {
    background-color: var(--backdrop);
}

.compare-dialog-head {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-5);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.compare-dialog-title {
    flex: 1;
    min-width: 0;
    font-size: var(--text-lg);
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Top left: the view's own switch (Zoom in / formatting marks) and
   "Compare all three". */
.compare-dialog-tools,
.compare-dialog-nav {
    display: flex;
    flex-shrink: 0;
    gap: var(--space-2);
}

.compare-dialog-tools .compare-marks-toggle {
    white-space: nowrap;
}

/* Top right: move between the scan and the Word files. */
.compare-dialog-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    min-height: 2.25rem;
    padding: 0 var(--space-3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--brand-text);
    font: inherit;
    font-size: var(--text-md);
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
}

.compare-dialog-nav-btn:hover {
    background: var(--brand-tint-subtle);
}

.compare-dialog-nav-btn:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.compare-dialog-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
}

.compare-dialog-close:hover {
    background: var(--bg-card-subtle);
    color: var(--text-primary);
}

.compare-dialog-close:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

.compare-dialog-body {
    flex: 1;
    min-height: 0;
    overflow: auto;
    padding: var(--space-5);
    background: var(--bg-card-subtle);
}

/* Columns are sized in proportion to their first page (compare.js sets
   grid-template-columns), so the pages come out the same height. Row 1 holds
   the headings, row 2 the pages, so the pages also start level. */
.compare-dialog-outputs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-6);
    row-gap: var(--space-3);
    align-items: start;
}

.compare-dialog[data-kind="all"] .compare-dialog-outputs {
    column-gap: var(--space-4);
}

.compare-dialog-col-head {
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-self: end;
}

.compare-dialog-pages {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.compare-dialog-pages .compare-page {
    cursor: default;
}

/* The scan: zoomed (as wide as the pop-up, scroll down) or fitted whole. */
.compare-dialog-source {
    display: flex;
    justify-content: center;
}

.compare-dialog-source img {
    display: block;
    max-height: calc(94vh - 9rem);
    width: auto;
    height: auto;
    max-width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--surface-paper);
    box-shadow: var(--shadow-card);
    cursor: zoom-in;
}

.compare-dialog-source.is-zoomed img {
    max-height: none;
    width: 100%;
    cursor: zoom-out;
}