/* Section hubs (redesign 2026-09-29), linked only from /simulaties/, /oefenen/,
   /gidsen/ and their EN pages. Markup: scripts/build-hubs.mjs (plates, test
   sheet) + page HTML (binder). Same cascade layer as the components in style.css.
   - het lab: playable graph-paper plates (hub-lab.js)
   - het proefwerk: modules as a test sheet with real sample questions and the
     student's own tally marks (hub-proefwerk.js)
   - de ordner: guides as punched sheets with divider tabs */
@layer components {
  /* ---------- shared hub head ---------- */
  .hub .page-head {
    margin-bottom: var(--s-6);
    padding: var(--s-5) 0 var(--s-5);
    border-bottom: 1.5px solid var(--ink);
  }

  .hub .page-title {
    margin: var(--s-2) 0 0;
    font-size: clamp(2.75rem, 1.6rem + 4.4vw, 5rem);
    line-height: 0.95;
    letter-spacing: -0.035em;
  }

  .hub .page-head > p {
    max-width: 44ch;
    margin: var(--s-4) 0 0;
    color: var(--ink-2);
    font-size: var(--fs-md);
  }

  .hub--lab .prose,
  .hub--proef .prose {
    max-width: none;
  }

  /* ---------- het lab ---------- */
  .lab-plates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
    gap: var(--s-6);
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .plate {
    position: relative;
    display: flex;
    flex-direction: column;
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-radius: var(--r-2);
    background: var(--surface);
    box-shadow:
      0 1px 2px rgba(0, 0, 0, 0.05),
      0 24px 44px -34px rgba(10, 14, 22, 0.55);
    transition: translate var(--t-panel) var(--ease-out);
  }

  .plate:hover {
    translate: 0 -3px;
  }

  .plate:has(.plate__link:focus-visible) {
    outline: 2px solid var(--pen);
    outline-offset: 3px;
  }

  .plate__stage {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .is-live .plate__stage {
    cursor: ew-resize;
  }

  .plate__svg {
    display: block;
    width: 100%;
    max-width: none;
    height: 100%;
  }

  .plate-grid {
    fill: none;
    stroke: var(--line);
    stroke-width: 1;
  }

  .plate-axis {
    fill: none;
    stroke: var(--ink-3);
    stroke-width: 1.25;
  }

  .plate-curve {
    fill: none;
    stroke: var(--ink);
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .plate-dot {
    fill: var(--ink);
  }

  .plate-dot--pen {
    fill: var(--pen);
  }

  .plate-tri {
    fill: var(--pen-wash);
    stroke: var(--pen);
    stroke-width: 1.5;
    stroke-dasharray: 4 3;
  }

  .plate-sq {
    fill: color-mix(in srgb, var(--info) 10%, transparent);
    stroke: var(--ink-2);
    stroke-width: 1.25;
  }

  .plate-sq--c {
    fill: var(--pen-wash);
    stroke: var(--pen);
  }

  .plate-label {
    fill: var(--ink);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    text-anchor: middle;
  }

  .plate__formula {
    position: absolute;
    top: var(--s-3);
    left: var(--s-3);
    margin: 0;
    padding: 4px 10px;
    border: 1px solid var(--line-strong);
    border-radius: var(--r-1);
    background: var(--surface);
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
  }

  .plate__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: var(--s-2);
    padding: var(--s-4) var(--s-5) var(--s-5);
  }

  .plate__body p {
    margin: 0;
    color: var(--ink-2);
    font-size: var(--fs-sm);
  }

  .plate__link {
    color: var(--ink);
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    letter-spacing: -0.02em;
    text-decoration: none;
  }

  .plate__link:focus-visible {
    outline: none;
  }

  /* the whole plate opens the simulation; the slider sits above that link */
  .plate__link::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
  }

  .plate__control {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: var(--s-3);
    margin-top: auto;
    padding-top: var(--s-2);
    color: var(--ink-3);
    font-size: var(--fs-xs);
    font-weight: 700;
    white-space: nowrap;
  }

  .plate__control input {
    flex: 1;
    min-width: 0;
    min-height: 44px;
    margin: 0;
    accent-color: var(--pen);
    cursor: pointer;
  }

  .plate__body .plate__note {
    min-height: 1.3em;
    color: var(--pen-strong);
    font-family: var(--font-note);
    font-size: 1.3rem;
    line-height: 1.1;
  }

  /* ---------- het proefwerk ---------- */
  .proefwerk {
    margin: var(--s-4) 0 var(--s-7);
    padding: 0;
    list-style: none;
    counter-reset: opgave;
    border-top: 1.5px solid var(--ink);
  }

  .opgave {
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr);
    grid-template-areas: "n title" "n desc" "n sample" "n score";
    gap: var(--s-2) var(--s-4);
    margin: 0;
    padding: var(--s-5) var(--s-2) var(--s-5) 0;
    border-bottom: 1px solid var(--line);
    transition: background-color var(--t-ui) ease;
  }

  .opgave:hover {
    background: color-mix(in srgb, var(--sunk) 60%, transparent);
  }

  /* numbered like the questions on a test */
  .opgave::before {
    counter-increment: opgave;
    content: counter(opgave);
    grid-area: n;
    color: var(--pen-strong);
    font-family: var(--font-display);
    font-size: var(--fs-lg);
    font-weight: 800;
    line-height: 1;
  }

  .opgave__title {
    grid-area: title;
    color: var(--ink);
    font-family: var(--font-display);
    font-size: var(--fs-md);
    letter-spacing: -0.01em;
    text-decoration: none;
  }

  .opgave__title:hover {
    text-decoration: underline;
    text-decoration-color: var(--pen);
    text-underline-offset: 4px;
  }

  .proefwerk .opgave__desc {
    grid-area: desc;
    margin: 0;
    color: var(--ink-2);
    font-size: var(--fs-sm);
  }

  /* "Toets-modus" as a teacher's stamp */
  .opgave__desc a {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    margin: 4px 0 0 2px;
    padding: 0 8px;
    border: 1.5px solid var(--pen);
    border-radius: 4px;
    color: var(--pen-strong);
    font-size: var(--fs-xs);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-decoration: none;
    text-transform: uppercase;
    rotate: -2deg;
    transition: rotate var(--t-ui) var(--ease-out), background-color var(--t-ui) ease;
  }

  .opgave__desc a:hover {
    background: var(--pen-wash);
    rotate: 0deg;
  }

  .proefwerk .opgave__sample {
    grid-area: sample;
    margin: var(--s-1) 0 0;
    padding: var(--s-3) var(--s-4);
    border: 1px dashed var(--line-strong);
    border-radius: var(--r-1);
    background: var(--surface);
  }

  .opgave__label {
    display: block;
    color: var(--ink-3);
    font-size: var(--fs-xs);
    font-weight: 700;
  }

  .opgave__q {
    font-family: var(--font-display);
    font-size: var(--fs-base);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
  }

  .proefwerk .opgave__score {
    grid-area: score;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--s-2);
    margin: 0;
    color: var(--pen-strong);
    font-family: var(--font-note);
    font-size: 1.25rem;
  }

  .tally path {
    fill: none;
    stroke: var(--pen);
    stroke-width: 2;
    stroke-linecap: round;
  }

  @media (min-width: 900px) {
    .opgave {
      grid-template-columns: 2.5rem minmax(0, 17rem) minmax(0, 1fr) minmax(0, 11rem);
      grid-template-areas: "n title sample score" "n desc sample score";
      align-items: start;
    }

    .proefwerk .opgave__sample {
      margin: 0;
    }

    .proefwerk .opgave__score {
      justify-content: flex-end;
      align-self: center;
    }
  }

  /* ---------- de ordner ---------- */
  .binder {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
    gap: var(--s-8) var(--s-6);
    margin-top: var(--s-8);
  }

  .binder > a {
    position: relative;
    min-height: 11rem;
    padding: var(--s-5) var(--s-7) var(--s-5) 3.75rem;
    border: 1px solid var(--line-strong);
    border-radius: 2px var(--r-2) var(--r-2) var(--r-2);
    background:
      radial-gradient(circle at 1.4rem 24%, var(--paper) 0 6px, var(--line-strong) 6.5px 7.5px, transparent 8px),
      radial-gradient(circle at 1.4rem 50%, var(--paper) 0 6px, var(--line-strong) 6.5px 7.5px, transparent 8px),
      radial-gradient(circle at 1.4rem 76%, var(--paper) 0 6px, var(--line-strong) 6.5px 7.5px, transparent 8px),
      linear-gradient(90deg, transparent 2.9rem, var(--margin-rule) 2.9rem, var(--margin-rule) calc(2.9rem + 1px), transparent calc(2.9rem + 1px)),
      var(--surface);
    box-shadow:
      0 1px 1px rgba(0, 0, 0, 0.05),
      0 22px 36px -28px rgba(10, 14, 22, 0.55);
    transition: translate var(--t-panel) var(--ease-out), box-shadow var(--t-panel) ease;
  }

  .binder > a:hover,
  .binder > a:focus-visible {
    translate: 0 -5px;
    transform: none;
    box-shadow:
      0 1px 1px rgba(0, 0, 0, 0.05),
      0 30px 44px -28px rgba(10, 14, 22, 0.6);
  }

  /* the level badges become the sheet's divider tab */
  .binder .badge-row {
    position: absolute;
    bottom: 100%;
    left: 3.75rem;
    gap: 4px;
    margin: 0;
    padding: 6px 10px 5px;
    border: 1px solid var(--line-strong);
    border-bottom: 0;
    border-radius: var(--r-2) var(--r-2) 0 0;
    background: var(--surface);
  }

  .binder > a:nth-child(2) .badge-row {
    right: var(--s-6);
    left: auto;
  }

  .binder h3 {
    font-family: var(--font-display);
    font-size: var(--fs-md);
    letter-spacing: -0.01em;
  }

  .binder p {
    margin-top: var(--s-2);
    color: var(--ink-2);
    font-size: var(--fs-sm);
  }

  .binder > a::after {
    content: "";
    position: absolute;
    right: var(--s-5);
    bottom: var(--s-5);
    width: 22px;
    height: 13px;
    background: var(--pen);
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 14'%3E%3Cpath d='M1 7.5c6-.8 13-.6 21-.3M16 1.5c2.4 2 4.3 3.7 6 5.7-1.9 1.9-3.8 3.6-6.2 5.3' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 14'%3E%3Cpath d='M1 7.5c6-.8 13-.6 21-.3M16 1.5c2.4 2 4.3 3.7 6 5.7-1.9 1.9-3.8 3.6-6.2 5.3' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
    transition: translate var(--t-panel) var(--ease-out);
  }

  .binder > a:hover::after {
    translate: 4px 0;
  }

  /* EN guides FAQ: the same pencil questions as the home FAQ */
  .hub-faq summary {
    min-height: 56px;
    font-family: var(--font-display);
    font-size: var(--fs-md);
    letter-spacing: -0.01em;
  }

  /* Practice hub: continue / my mistakes / backup (hub-herhaal.js) */
  .pr-hub-extra {
    margin-top: var(--s-4, 1.5rem);
  }

  .pr-hub-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2, 0.5rem);
  }

  @media (prefers-reduced-motion: reduce) {
    .plate,
    .opgave__desc a,
    .binder > a,
    .binder > a::after {
      transition: none;
    }
  }
}