/* Application shell and components, built entirely on the PureSourceCode tokens
   in css/psc-tokens.css. Nothing here hard-codes a colour: switching the theme
   swaps the tokens and every surface follows. */

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--psc-font-sans);
    font-size: var(--psc-text-base);
    line-height: var(--psc-leading-base);
    color: var(--psc-text);
    background: var(--psc-surface-sunken);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--psc-font-display);
    line-height: var(--psc-leading-tight);
    color: var(--psc-text);
    margin: 0 0 var(--psc-space-4);
}

h1 { font-size: var(--psc-text-3xl); }

/* FocusOnNavigate moves focus to the h1 on every route change so screen readers
   announce the new page, giving it tabindex="-1". Keep that, but drop the ring: the
   heading can never be reached by tabbing, so an outline there marks no affordance.
   It has to be unconditional - on a full page load (rather than a client-side
   navigation) Chrome counts that programmatic focus as :focus-visible. */
h1:focus { outline: none; }
h2 { font-size: var(--psc-text-2xl); }
h3 { font-size: var(--psc-text-xl); }

a { color: var(--psc-link); text-decoration: none; transition: color var(--psc-transition); }
a:hover { color: var(--psc-link-hover); text-decoration: underline; }

code, pre { font-family: var(--psc-font-mono); }

code {
    background: var(--psc-code-inline-bg);
    color: var(--psc-code-inline-fg);
    padding: 0.1em 0.35em;
    border-radius: var(--psc-radius-sm);
    font-size: 0.9em;
}

/* ---- Layout ---------------------------------------------------------- */

.psc-container {
    width: 100%;
    max-width: var(--psc-container);
    margin-inline: auto;
    padding-inline: var(--psc-gutter);
}

.psc-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.psc-main {
    flex: 1;
    padding-block: var(--psc-space-10);
}

/* ---- Top bar and header ---------------------------------------------- */

.psc-topbar {
    background: var(--psc-topbar-bg);
    color: var(--psc-topbar-text);
    font-size: var(--psc-text-xs);
}

.psc-topbar .psc-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--psc-space-4);
    min-height: 34px;
}

.psc-topbar a { color: var(--psc-topbar-text); }
/* The bar is dark in both themes, so hover is plain white: --psc-text-inverse
   flips to near-black in the dark theme and made the link vanish on hover. */
.psc-topbar a:hover { color: #FFFFFF; }

.psc-topbar__end {
    display: flex;
    align-items: center;
    gap: var(--psc-space-4);
}

/* The projects menu button lives in a shadow root; ::part() is the only way in.
   It inherits the bar's colour, so only its size needs fitting to the 34px bar. */
.psc-topbar__projects {
    display: flex;
    min-width: 28px;
    min-height: 26px;
}
.psc-topbar__projects psc-projects-menu {
    --pscp-accent: var(--psc-primary);
    --pscp-on-accent: var(--psc-on-primary);
}
.psc-topbar__projects psc-projects-menu::part(button) {
    height: 26px;
    padding: 0 var(--psc-space-2);
    gap: 6px;
    font-size: inherit;
}
.psc-topbar__projects psc-projects-menu::part(button):hover { color: #FFFFFF; }

/* Narrow screens: the tagline goes and the menu button drops its label. */
@media (max-width: 480px) {
    .psc-topbar .psc-container > span { display: none; }
    .psc-topbar .psc-container { justify-content: flex-end; }
    .psc-topbar__projects psc-projects-menu::part(label) { display: none; }
}

.psc-header {
    background: var(--psc-header-bg);
    border-bottom: 1px solid var(--psc-border);
    position: sticky;
    top: 0;
    z-index: var(--psc-z-nav);
}

.psc-header .psc-container {
    display: flex;
    align-items: center;
    gap: var(--psc-space-6);
    min-height: var(--psc-header-sticky-height);
}

.psc-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--psc-space-2);
    font-size: var(--psc-text-lg);
    font-weight: 700;
    color: var(--psc-text);
    letter-spacing: -0.01em;
}

.psc-brand:hover { color: var(--psc-text); text-decoration: none; }
.psc-brand em { font-style: normal; color: var(--psc-primary); }

/* The mark is a fixed dark navy, so it needs a light tile of its own to stay legible
   on the dark theme. This is the one colour in the file that cannot come from a token,
   because it belongs to the asset rather than to the palette. */
.psc-brand img {
    width: 30px;
    height: 30px;
    padding: 3px;
    background: #FFFFFF;
    border-radius: var(--psc-radius-sm);
}

.psc-footer img {
    width: 22px;
    height: 22px;
    padding: 2px;
    background: #FFFFFF;
    border-radius: var(--psc-radius-sm);
    vertical-align: middle;
    margin-right: var(--psc-space-2);
}

.psc-brand small {
    font-size: var(--psc-text-xs);
    font-weight: 400;
    color: var(--psc-text-faint);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.psc-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--psc-space-1);
    margin-left: auto;
}

.psc-nav a {
    display: inline-block;
    padding: var(--psc-space-2) var(--psc-space-3);
    color: var(--psc-nav-text);
    font-size: var(--psc-text-sm);
    font-weight: 600;
    border-radius: var(--psc-radius-sm);
    border-bottom: 2px solid transparent;
}

.psc-nav a:hover {
    color: var(--psc-primary);
    background: var(--psc-primary-soft);
    text-decoration: none;
}

/* Blazor adds .active to the NavLink matching the current route. */
.psc-nav a.active {
    color: var(--psc-primary);
    border-bottom-color: var(--psc-primary);
    border-radius: 0;
}

.psc-theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    font-size: var(--psc-text-base);
    line-height: 1;
    color: var(--psc-text-muted);
    background: transparent;
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-sm);
    cursor: pointer;
    transition: border-color var(--psc-transition), color var(--psc-transition);
}

.psc-theme-toggle:hover { color: var(--psc-primary); border-color: var(--psc-primary); }

/* ---- Footer ---------------------------------------------------------- */

.psc-footer {
    background: var(--psc-footer-bg);
    color: var(--psc-footer-text);
    font-size: var(--psc-text-sm);
    padding-block: var(--psc-space-6);
}

.psc-footer a { color: var(--psc-footer-text); text-decoration: underline; }
.psc-footer a:hover { color: var(--psc-text-inverse); }

/* ---- Cards ----------------------------------------------------------- */

.psc-card {
    background: var(--psc-surface-raised);
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-lg);
    box-shadow: var(--psc-shadow-sm);
    padding: var(--psc-space-6);
}

.psc-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--psc-space-5);
}

/* The four Microsoft accents cycle across the cards so an index of tools reads
   as deliberate rather than monochrome, the same trick the site uses on badges. */
.psc-tool-card {
    display: block;
    color: inherit;
    border-top: 3px solid var(--psc-cat-1);
    transition: box-shadow var(--psc-transition), transform var(--psc-transition);
}

.psc-tool-card:hover {
    text-decoration: none;
    color: inherit;
    box-shadow: var(--psc-shadow-lg);
    transform: translateY(-2px);
}

.psc-tool-card h3 { margin-bottom: var(--psc-space-2); }
.psc-tool-card p { margin: 0; color: var(--psc-text-muted); font-size: var(--psc-text-sm); }

.psc-card-grid > :nth-child(4n+2) { border-top-color: var(--psc-cat-2); }
.psc-card-grid > :nth-child(4n+3) { border-top-color: var(--psc-cat-3); }
.psc-card-grid > :nth-child(4n+4) { border-top-color: var(--psc-cat-4); }

/* ---- Page heading ---------------------------------------------------- */

.psc-page-head { margin-bottom: var(--psc-space-8); }

.psc-page-head p {
    margin: 0;
    max-width: 70ch;
    color: var(--psc-text-muted);
    font-size: var(--psc-text-lg);
}

.psc-eyebrow {
    display: inline-block;
    margin-bottom: var(--psc-space-2);
    padding: 2px var(--psc-space-2);
    font-size: var(--psc-text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--psc-primary);
    background: var(--psc-primary-soft);
    border-radius: var(--psc-radius-pill);
}

/* ---- Forms ----------------------------------------------------------- */

.psc-field { margin-bottom: var(--psc-space-5); }

.psc-label {
    display: block;
    margin-bottom: var(--psc-space-2);
    font-size: var(--psc-text-sm);
    font-weight: 600;
    color: var(--psc-text);
}

.psc-hint {
    margin: var(--psc-space-1) 0 0;
    font-size: var(--psc-text-sm);
    color: var(--psc-text-muted);
}

.psc-textarea {
    display: block;
    width: 100%;
    min-height: 240px;
    padding: var(--psc-space-3);
    font-family: var(--psc-font-mono);
    font-size: var(--psc-text-sm);
    line-height: var(--psc-leading-snug);
    color: var(--psc-text);
    background: var(--psc-surface);
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-md);
    resize: vertical;
    transition: border-color var(--psc-transition), box-shadow var(--psc-transition);
}

.psc-textarea:focus {
    outline: none;
    border-color: var(--psc-primary);
    box-shadow: 0 0 0 3px var(--psc-primary-soft);
}

/* The Markdown output reads as an editor surface, like the code blocks on the
   site: deliberately dark even under the light theme. */
.psc-textarea--code {
    background: var(--psc-code-bg);
    color: var(--psc-code-text);
    border-color: var(--psc-code-border);
}

.psc-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--psc-space-6);
    margin-bottom: var(--psc-space-5);
}

.psc-check {
    display: inline-flex;
    align-items: flex-start;
    gap: var(--psc-space-2);
    max-width: 42ch;
    font-size: var(--psc-text-sm);
    cursor: pointer;
}

.psc-check input { margin-top: 0.3em; accent-color: var(--psc-primary); }
.psc-check span { color: var(--psc-text-muted); }
.psc-check strong { display: block; color: var(--psc-text); font-weight: 600; }

/* ---- Buttons --------------------------------------------------------- */

.psc-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--psc-space-3);
    margin-bottom: var(--psc-space-4);
}

.psc-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--psc-space-2);
    padding: var(--psc-space-2) var(--psc-space-5);
    font-family: inherit;
    font-size: var(--psc-text-sm);
    font-weight: 600;
    line-height: 1.6;
    border: 1px solid transparent;
    border-radius: var(--psc-radius-md);
    cursor: pointer;
    transition: background var(--psc-transition), border-color var(--psc-transition), color var(--psc-transition);
}

.psc-btn:disabled { opacity: 0.55; cursor: not-allowed; }

.psc-btn--primary {
    color: var(--psc-on-primary);
    background: var(--psc-primary);
}

.psc-btn--primary:not(:disabled):hover { background: var(--psc-primary-dark); }

.psc-btn--ghost {
    color: var(--psc-text);
    background: var(--psc-surface);
    border-color: var(--psc-border-strong);
}

.psc-btn--ghost:not(:disabled):hover { border-color: var(--psc-primary); color: var(--psc-primary); }

/* ---- Status ---------------------------------------------------------- */

.psc-status {
    min-height: 1.5em;
    margin: 0 0 var(--psc-space-4);
    font-size: var(--psc-text-sm);
    color: var(--psc-text-muted);
}

.psc-status--warn { color: var(--psc-accent-orange); font-weight: 600; }
.psc-status--ok { color: var(--psc-accent-green); font-weight: 600; }

/* ---- Blazor error UI ------------------------------------------------- */

#blazor-error-ui {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--psc-z-modal);
    display: none;
    padding: var(--psc-space-3) var(--psc-space-6);
    color: #1B1F23;
    background: var(--psc-accent-yellow);
    box-shadow: var(--psc-shadow-lg);
}

#blazor-error-ui .dismiss {
    position: absolute;
    top: var(--psc-space-2);
    right: var(--psc-space-4);
    cursor: pointer;
}

@media (max-width: 640px) {
    .psc-header .psc-container { flex-wrap: wrap; padding-block: var(--psc-space-3); }
    .psc-nav { margin-left: 0; width: 100%; }
    h1 { font-size: var(--psc-text-2xl); }
}

/* ---- Inline field (URL + button) ------------------------------------- */

.psc-inline-field {
    display: flex;
    flex-wrap: wrap;
    gap: var(--psc-space-2);
}

.psc-input {
    flex: 1 1 320px;
    min-width: 0;
    padding: var(--psc-space-2) var(--psc-space-3);
    font-family: inherit;
    font-size: var(--psc-text-sm);
    color: var(--psc-text);
    background: var(--psc-surface);
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-md);
    transition: border-color var(--psc-transition), box-shadow var(--psc-transition);
}

.psc-input:focus {
    outline: none;
    border-color: var(--psc-primary);
    box-shadow: 0 0 0 3px var(--psc-primary-soft);
}

.psc-steps {
    margin: 0 0 var(--psc-space-5);
    padding-left: var(--psc-space-5);
    color: var(--psc-text-muted);
    font-size: var(--psc-text-sm);
}

.psc-steps li { margin-bottom: var(--psc-space-2); }
.psc-steps strong { color: var(--psc-text); }

.psc-status a {
    margin-left: var(--psc-space-2);
    font-weight: 600;
    white-space: nowrap;
}

.psc-card h2 {
    margin-top: var(--psc-space-8);
    padding-bottom: var(--psc-space-2);
    border-bottom: 1px solid var(--psc-border);
    font-size: var(--psc-text-xl);
}

.psc-card h2:first-child { margin-top: 0; }

/* Scoped to a class on purpose: as `.psc-card h3` this also caught the tool titles
   on the home page and the filenames in the image converter. */
.psc-subhead {
    margin-top: var(--psc-space-5);
    font-size: var(--psc-text-base);
    color: var(--psc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

kbd {
    padding: 1px 6px;
    font-family: var(--psc-font-mono);
    font-size: 0.85em;
    color: var(--psc-text);
    background: var(--psc-surface-sunken);
    border: 1px solid var(--psc-border-strong);
    border-bottom-width: 2px;
    border-radius: var(--psc-radius-sm);
}

/* ---- Table grid editor ------------------------------------------------ */

.psc-grid-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--psc-space-2);
    margin-bottom: var(--psc-space-4);
}

/* The grid is the one thing here allowed to scroll sideways. */
.psc-grid-scroll {
    overflow-x: auto;
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-md);
}

.psc-grid {
    border-collapse: collapse;
    width: 100%;
    font-size: var(--psc-text-sm);
}

.psc-grid th,
.psc-grid td {
    border: 1px solid var(--psc-border);
    padding: 0;
}

.psc-grid thead th {
    padding: var(--psc-space-1) var(--psc-space-2);
    background: var(--psc-surface-sunken);
    font-weight: 600;
    text-align: left;
    white-space: nowrap;
}

.psc-grid-corner { width: 44px; }

.psc-grid-colhead {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--psc-space-2);
    min-width: 150px;
}

.psc-grid-aligns { display: flex; gap: 2px; }

.psc-grid-rowhead {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--psc-space-1);
    padding: 0 var(--psc-space-1);
    background: var(--psc-surface-sunken);
    color: var(--psc-text-faint);
    font-size: var(--psc-text-xs);
    font-weight: 400;
}

.psc-align-btn {
    padding: 1px 5px;
    font-family: inherit;
    font-size: var(--psc-text-xs);
    line-height: 1.4;
    color: var(--psc-text-faint);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--psc-radius-sm);
    cursor: pointer;
}

.psc-align-btn:hover { color: var(--psc-primary); border-color: var(--psc-border-strong); }
.psc-align-btn.is-on { color: var(--psc-on-primary); background: var(--psc-primary); }
.psc-align-btn--drop:hover { color: var(--psc-accent-orange); border-color: var(--psc-accent-orange); }

.psc-grid-cell {
    display: block;
    width: 100%;
    min-width: 150px;
    padding: var(--psc-space-2);
    font-family: inherit;
    font-size: var(--psc-text-sm);
    color: var(--psc-text);
    background: var(--psc-surface);
    border: 0;
    border-radius: 0;
}

.psc-grid-cell:focus {
    outline: 2px solid var(--psc-primary);
    outline-offset: -2px;
}

.psc-grid-cell.is-header { font-weight: 600; background: var(--psc-primary-soft); }

/* ---- Image converter -------------------------------------------------- */

.psc-dropzone {
    position: relative;
    border: 2px dashed var(--psc-border-strong);
    border-radius: var(--psc-radius-lg);
    background: var(--psc-surface-sunken);
    transition: border-color var(--psc-transition), background var(--psc-transition);
}

.psc-dropzone.is-over {
    border-color: var(--psc-primary);
    background: var(--psc-primary-soft);
}

/* The real input stays focusable for keyboard and screen-reader users; the label is
   what gets seen, and covers the whole zone so a click anywhere opens the picker. */
.psc-dropzone input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.psc-dropzone label {
    display: block;
    padding: var(--psc-space-10) var(--psc-space-6);
    text-align: center;
    cursor: pointer;
}

.psc-dropzone strong {
    display: block;
    margin-bottom: var(--psc-space-1);
    color: var(--psc-primary);
    font-size: var(--psc-text-lg);
}

.psc-dropzone span { color: var(--psc-text-muted); font-size: var(--psc-text-sm); }
.psc-dropzone input[type="file"]:focus-visible + label { outline: 2px solid var(--psc-primary); outline-offset: 2px; }

.psc-color {
    width: 48px;
    height: 34px;
    padding: 2px;
    background: var(--psc-surface);
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-md);
    cursor: pointer;
}

.psc-image-card { border-top: 3px solid var(--psc-primary); }

/* A checkerboard, so a transparent PNG reads as transparent rather than as white. */
.psc-image-card img {
    display: block;
    width: 100%;
    height: 160px;
    margin-bottom: var(--psc-space-3);
    object-fit: contain;
    border-radius: var(--psc-radius-sm);
    background-color: #FFFFFF;
    background-image:
        linear-gradient(45deg, #E4E7EB 25%, transparent 25%, transparent 75%, #E4E7EB 75%),
        linear-gradient(45deg, #E4E7EB 25%, transparent 25%, transparent 75%, #E4E7EB 75%);
    background-size: 16px 16px;
    background-position: 0 0, 8px 8px;
}

.psc-image-card h3 {
    margin-bottom: var(--psc-space-1);
    font-size: var(--psc-text-base);
    word-break: break-all;
}

.psc-image-card p { margin: 0 0 var(--psc-space-3); font-size: var(--psc-text-sm); color: var(--psc-text-muted); }

.psc-delta {
    margin-left: var(--psc-space-2);
    padding: 1px var(--psc-space-2);
    border-radius: var(--psc-radius-pill);
    font-size: var(--psc-text-xs);
    font-weight: 700;
}

.psc-delta--down { color: var(--psc-accent-green); background: color-mix(in srgb, var(--psc-accent-green) 14%, transparent); }
.psc-delta--up { color: var(--psc-accent-orange); background: color-mix(in srgb, var(--psc-accent-orange) 14%, transparent); }

/* ---- Home sections ---------------------------------------------------- */

.psc-section + .psc-section { margin-top: var(--psc-space-10); }

.psc-section-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--psc-space-2) var(--psc-space-4);
    padding-bottom: var(--psc-space-2);
    border-bottom: 1px solid var(--psc-border);
}

.psc-section-head h2 { margin: 0; font-size: var(--psc-text-xl); }
.psc-section-head a { font-size: var(--psc-text-sm); font-weight: 600; }

.psc-section-blurb {
    margin: var(--psc-space-3) 0 var(--psc-space-5);
    color: var(--psc-text-muted);
    font-size: var(--psc-text-sm);
}

/* ---- PDF tools -------------------------------------------------------- */

.psc-pdf-list {
    list-style: none;
    margin: 0 0 var(--psc-space-5);
    padding: 0;
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-md);
}

.psc-pdf-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--psc-space-3) var(--psc-space-4);
    padding: var(--psc-space-3);
    background: var(--psc-surface);
    border-top: 2px solid transparent;
    cursor: grab;
}

.psc-pdf-row + .psc-pdf-row { border-top: 1px solid var(--psc-border); }
.psc-pdf-row:first-child { border-radius: var(--psc-radius-md) var(--psc-radius-md) 0 0; }
.psc-pdf-row:last-child { border-radius: 0 0 var(--psc-radius-md) var(--psc-radius-md); }
.psc-pdf-row.is-over { box-shadow: inset 0 2px 0 var(--psc-primary); background: var(--psc-primary-soft); }

.psc-pdf-grip { color: var(--psc-text-faint); letter-spacing: -0.3em; user-select: none; }

/* Pages are drawn on white, whatever the theme - a PDF page is paper. */
.psc-pdf-thumb {
    flex: none;
    width: 44px;
    height: 58px;
    background: #FFFFFF;
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-sm);
    overflow: hidden;
}

.psc-pdf-thumb img { display: block; width: 100%; height: 100%; object-fit: contain; }

.psc-pdf-meta { flex: 1 1 140px; min-width: 0; }
.psc-pdf-meta strong { display: block; overflow-wrap: anywhere; font-size: var(--psc-text-sm); }
.psc-pdf-meta span { color: var(--psc-text-muted); font-size: var(--psc-text-xs); }

.psc-pdf-pages { display: flex; align-items: center; gap: var(--psc-space-2); }
.psc-pdf-pages .psc-label { margin: 0; }
.psc-pdf-pages .psc-input { flex: none; width: 130px; }

.psc-pdf-actions { display: flex; gap: 2px; }
.psc-pdf-actions .psc-align-btn { font-size: var(--psc-text-sm); padding: 2px 8px; }
.psc-pdf-actions .psc-align-btn:disabled { opacity: 0.35; cursor: default; }

.psc-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--psc-space-1);
    margin-bottom: var(--psc-space-5);
    border-bottom: 1px solid var(--psc-border);
}

.psc-tab {
    padding: var(--psc-space-2) var(--psc-space-3);
    font-family: inherit;
    font-size: var(--psc-text-sm);
    font-weight: 600;
    color: var(--psc-text-muted);
    background: transparent;
    border: 0;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
}

.psc-tab:hover { color: var(--psc-primary); }
.psc-tab.is-on { color: var(--psc-primary); border-bottom-color: var(--psc-primary); }

.psc-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--psc-space-4);
}

.psc-page-tile {
    --part: var(--psc-primary);
    display: flex;
    flex-direction: column;
    gap: var(--psc-space-2);
    padding: var(--psc-space-2);
    font-family: inherit;
    color: var(--psc-text);
    text-align: left;
    background: var(--psc-surface);
    border: 1px solid var(--psc-border);
    border-top: 3px solid var(--part);
    border-radius: var(--psc-radius-md);
}

.psc-page-tile:not(:disabled) { cursor: pointer; }
.psc-page-tile:not(:disabled):hover { border-color: var(--psc-primary); }
.psc-page-tile:focus-visible { outline: 2px solid var(--psc-primary); outline-offset: 2px; }

/* Four accents cycle across output files so neighbouring files read as different. */
.psc-part-1 { --part: var(--psc-cat-2); }
.psc-part-2 { --part: var(--psc-cat-3); }
.psc-part-3 { --part: var(--psc-cat-4); }

.psc-page-tile.is-out { --part: var(--psc-border); opacity: 0.5; }
.psc-page-tile.is-picked { --part: var(--psc-primary); background: var(--psc-primary-soft); box-shadow: 0 0 0 2px var(--psc-primary); }

.psc-page-img {
    display: block;
    aspect-ratio: 1 / 1.414;
    background: #FFFFFF;
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-sm);
    overflow: hidden;
}

.psc-page-img img { display: block; width: 100%; height: 100%; object-fit: contain; }

.psc-page-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--psc-space-1);
    font-size: var(--psc-text-xs);
    font-weight: 600;
}

.psc-page-badge {
    padding: 0 var(--psc-space-2);
    color: var(--psc-text);
    background: color-mix(in srgb, var(--part) 18%, transparent);
    border-radius: var(--psc-radius-pill);
    font-weight: 600;
}

/* Rows that are not reordered, in compress and repair. */
.psc-pdf-row--static { cursor: default; }
.psc-pdf-row--static .psc-pdf-actions { align-items: center; gap: var(--psc-space-2); }

.psc-pdf-result {
    flex: 1 1 100%;
    padding-left: calc(44px + var(--psc-space-4));
}

.psc-pdf-result .psc-hint,
.psc-pdf-result .psc-status { margin: 0 0 var(--psc-space-2); min-height: 0; }

.psc-findings {
    margin: 0;
    padding-left: var(--psc-space-5);
    font-size: var(--psc-text-sm);
    color: var(--psc-text-muted);
}

.psc-findings li + li { margin-top: var(--psc-space-1); }

.psc-fallback {
    margin-top: var(--psc-space-3);
    padding: var(--psc-space-3) var(--psc-space-4);
    border-left: 3px solid var(--psc-accent-orange);
    background: var(--psc-surface-sunken);
    border-radius: 0 var(--psc-radius-sm) var(--psc-radius-sm) 0;
}

.psc-fallback p { margin: 0 0 var(--psc-space-3); font-size: var(--psc-text-sm); color: var(--psc-text-muted); }

.psc-choices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--psc-space-3);
    margin: var(--psc-space-6) 0 var(--psc-space-4);
    padding: 0;
    border: 0;
}

.psc-choices legend { padding: 0; margin-bottom: var(--psc-space-2); }

.psc-choice {
    position: relative;
    display: block;
    padding: var(--psc-space-3) var(--psc-space-4);
    background: var(--psc-surface);
    border: 1px solid var(--psc-border);
    border-radius: var(--psc-radius-md);
    cursor: pointer;
    transition: border-color var(--psc-transition), box-shadow var(--psc-transition);
}

.psc-choice:hover { border-color: var(--psc-primary); }
.psc-choice.is-on { border-color: var(--psc-primary); box-shadow: 0 0 0 1px var(--psc-primary); background: var(--psc-primary-soft); }
.psc-choice:has(input:focus-visible) { outline: 2px solid var(--psc-primary); outline-offset: 2px; }

/* The radio stays in the accessibility tree; the whole card is its label. */
.psc-choice input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.psc-choice strong { display: block; font-size: var(--psc-text-sm); }
.psc-choice span { display: block; margin-top: var(--psc-space-1); font-size: var(--psc-text-xs); color: var(--psc-text-muted); }

@media (max-width: 640px) {
    .psc-pdf-result { padding-left: 0; }
}