/* Interactive worksheet styles (see assets/js/worksheet.js). */

.ws {
  --ws-accent: #7253ed;
  --ws-border: #e6e1e8;
  --ws-muted: #5c5962;
  --ws-ok: #1e7f3c;
  --ws-ok-bg: #e8f5ec;
  --ws-bad: #b42318;
  --ws-bad-bg: #fdecea;
  --ws-partial: #b26b00;
  --ws-model-bg: #f5f3fd;
}

/* Header */
.ws-header {
  padding: 1rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--ws-border);
  border-radius: 6px;
  background: #fafafa;
}
.ws-label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.ws-hint { margin: 0.75rem 0 0; font-size: 0.875em; color: var(--ws-muted); }
.ws-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 0.75rem 1.25rem; }
.ws-meta-input { display: flex; }
.ws-meta-input .ws-input { flex: 1 1 auto; min-width: 0; }

/* Section quick links */
.ws-toc { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: -0.5rem 0 1.5rem; }
.ws-toc a {
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--ws-border);
  border-radius: 999px;
  font-size: 0.9em;
  text-decoration: none;
  background: #fff;
}
.ws-toc a:hover { border-color: var(--ws-accent); }

/* Figures */
.ws-figure { margin: 1rem 0; }
.ws-figure img { display: block; max-width: 100%; height: auto; }
.ws-figure figcaption { font-size: 0.875em; color: var(--ws-muted); margin-top: 0.25rem; }

/* Text blocks */
.ws-section { margin-top: 2.5rem; }
.ws-note { margin: 1.25rem 0 0.5rem; }
.ws-step {
  margin: 1.25rem 0 0.5rem;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  border-left: 3px solid var(--ws-accent);
  background: #fafafa;
}

/* Parameter tables (colours follow the original worksheets) */
.ws-params-wrap { margin: 1rem 0; overflow-x: auto; }
.ws-params-title { font-weight: 600; margin: 0 0 0.25rem; }
.ws table.ws-params, #ws-report table.ws-params {
  display: table;
  width: 100%;
  max-width: 34rem;
  min-width: 0;
  border-collapse: collapse;
  font-size: 0.9em;
  box-shadow: none;
  margin: 0;
}
.ws-params th, .ws-params td {
  padding: 0.3rem 0.6rem;
  border: 1px solid #b9b4be;
  text-align: left;
  min-width: 0;
}
.ws-params td:first-child { font-weight: 600; width: 60%; }
.ws-params tr:last-of-type td, .ws-params tr th, .ws-params tr td:first-of-type { border: 1px solid #b9b4be; }
.ws-ph.ws-i1 th { background: #632523; color: #fff; }
.ws-pr.ws-i1 td { background: #f2dcdb; }
.ws-ph.ws-i2 th { background: #17375e; color: #fff; }
.ws-pr.ws-i2 td { background: #c6d9f1; }
.ws-ph.ws-fsk th { background: #ffc000; color: #000; }
.ws-pr.ws-fsk td { background: #fff59d; }
.ws-ph.ws-off th { background: #bfbfbf; color: #000; }
.ws-pr.ws-off td { background: #e7e6e6; }

/* Question cards */
.ws-q {
  margin: 0.75rem 0 1.25rem;
  padding: 1rem 1rem 1rem 1.25rem;
  border: 1px solid var(--ws-border);
  border-left: 4px solid var(--ws-border);
  border-radius: 6px;
  background: #fff;
}
.ws-q.is-correct { border-left-color: var(--ws-ok); }
.ws-q.is-incorrect { border-left-color: var(--ws-bad); }
.ws-q.is-partial { border-left-color: var(--ws-partial); }
.ws-q.is-info { border-left-color: var(--ws-accent); }

.ws-prompt { display: flex; gap: 0.6rem; align-items: baseline; font-weight: 600; margin-bottom: 0.75rem; }
.ws-num {
  flex: none;
  font-size: 0.75em;
  font-weight: 700;
  color: var(--ws-accent);
  background: var(--ws-model-bg);
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
}

.ws-part { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.75rem; margin: 0.5rem 0; }
.ws-part-label { min-width: 9rem; color: var(--ws-muted); }

.ws-input {
  font: inherit;
  padding: 0.4rem 0.6rem;
  border: 1px solid #c8c3cc;
  border-radius: 4px;
  background: #fff;
  color: inherit;
  max-width: 100%;
  box-sizing: border-box;
}
.ws-input:focus { outline: 2px solid var(--ws-accent); outline-offset: 1px; border-color: var(--ws-accent); }
.ws-input:disabled { background: #f6f6f7; color: #3a3840; }
.ws-input-short { width: 9rem; }
.ws-numeric { display: inline-flex; align-items: center; gap: 0.4rem; }
.ws-unit { color: var(--ws-muted); }

.ws-text { display: block; margin-top: 0.75rem; }
.ws-text-label { display: block; font-style: italic; margin-bottom: 0.25rem; }
.ws-textarea { width: 100%; resize: vertical; min-height: 4.5rem; }

/* Yes/No style choices */
.ws-choice { display: inline-flex; flex-wrap: wrap; gap: 0.4rem; }
.ws-pill { position: relative; cursor: pointer; }
.ws-pill input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.ws-pill span {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border: 1px solid #c8c3cc;
  border-radius: 999px;
  background: #fff;
  user-select: none;
}
.ws-pill:hover span { border-color: var(--ws-accent); }
.ws-pill input:focus-visible + span { outline: 2px solid var(--ws-accent); outline-offset: 2px; }
.ws-pill input:checked + span { background: var(--ws-accent); border-color: var(--ws-accent); color: #fff; }
.ws-pill input:disabled + span { cursor: default; }
.ws-pill input:disabled:not(:checked) + span { opacity: 0.55; }

.ws-task { display: flex; gap: 0.6rem; align-items: center; cursor: pointer; margin-top: 0.25rem; }
.ws-task input { width: 1.15rem; height: 1.15rem; accent-color: var(--ws-accent); }

/* Feedback */
.ws-mark { font-size: 0.9em; font-weight: 600; }
.ws-mark.is-correct { color: var(--ws-ok); }
.ws-mark.is-incorrect { color: var(--ws-bad); }

.ws-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin-top: 1rem; }
.ws-actions .btn { margin: 0; }
.ws-msg { margin: 0; font-size: 0.875em; color: var(--ws-bad); }
.ws-msg:empty { display: none; }

.ws-model {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  background: var(--ws-model-bg);
  border-left: 3px solid var(--ws-accent);
}
.ws-model-label {
  display: block;
  font-size: 0.75em;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ws-accent);
  margin-bottom: 0.25rem;
}
.ws-model ul { margin: 0.25rem 0 0; }

/* Record-style questions (measurements, no submit button) */
.ws-q.is-record.is-complete { border-left-color: var(--ws-accent); }

.ws-live:empty { display: none; }
.ws-live { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 0.5rem; }
.ws-live-item { font-size: 0.9em; }
.ws-live-item.is-info { color: var(--ws-muted); }
.ws-live-item.is-ok { color: var(--ws-ok); font-weight: 600; }
.ws-live-item.is-bad { color: var(--ws-bad); font-weight: 600; }
.ws-live-item.is-warn { color: var(--ws-partial); font-weight: 600; }
.ws-live-item.is-alert, .ws-live-item.is-danger {
  padding: 0.6rem 0.8rem;
  border-radius: 4px;
  background: var(--ws-bad-bg);
  border-left: 3px solid var(--ws-bad);
  color: #5c1610;
}

.ws-part-hint { margin: 0.25rem 0 0; font-size: 0.85em; color: var(--ws-muted); }

/* Measurement grids */
.ws-grid-scroll { overflow-x: auto; margin-top: 0.5rem; }
.ws table.ws-grid {
  display: table;
  width: auto;
  min-width: 0;
  border-collapse: collapse;
  box-shadow: none;
  margin: 0;
  font-size: 0.92em;
}
.ws-grid th, .ws-grid td, .ws-grid tr:last-of-type td, .ws-grid tr th:first-of-type, .ws-grid tr td:first-of-type {
  min-width: 0;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--ws-border);
  text-align: left;
  vertical-align: middle;
}
.ws table.ws-grid tbody th { font-weight: 600; background: #fafafa; min-width: 11rem; }
.ws-grid thead th { font-weight: 700; white-space: nowrap; }
.ws-grid .ws-grid-corner { background: #fff; }
.ws-grid tr.ws-grid-h th {
  background: #f1eff4;
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ws-muted);
}
.ws-grid .ws-input-short { width: 5.5rem; }
.ws-grid-sub { display: block; font-size: 0.8em; font-weight: 400; color: var(--ws-muted); }
.ws-grid-out { min-width: 7rem; font-variant-numeric: tabular-nums; }
.ws-grid-out.is-ok { background: var(--ws-ok-bg); color: var(--ws-ok); font-weight: 600; }
.ws-grid-out.is-bad { background: var(--ws-bad-bg); color: var(--ws-bad); font-weight: 600; }
.ws-grid tr.ws-grid-fixed td { color: var(--ws-muted); }
th.ws-col-i1 { background: #632523; color: #fff; }
th.ws-col-i2 { background: #17375e; color: #fff; }
th.ws-col-x { background: #5b3c88; color: #fff; }

/* Growing log table */
.ws-log-scroll { overflow-x: auto; }
.ws table.ws-log-table {
  display: table;
  width: 100%;
  min-width: 0;
  border-collapse: collapse;
  box-shadow: none;
  margin: 0;
}
.ws-log-table th, .ws-log-table td {
  min-width: 0;
  padding: 0.4rem 0.5rem;
  border: 0;
  border-bottom: 1px solid var(--ws-border);
  text-align: left;
  vertical-align: middle;
}
.ws-log-table th { font-size: 0.85em; color: var(--ws-muted); background: #fafafa; }
.ws-log-table .ws-input-short { width: 6rem; }
.ws-log-table tr.is-alert td { background: var(--ws-bad-bg); }
.ws-log-n { color: var(--ws-muted); width: 2rem; }
.ws-log-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin-top: 0.75rem; }
.ws-log-actions .btn { margin: 0; }
.ws-hint-inline { font-size: 0.85em; color: var(--ws-muted); }
.ws-icon-btn {
  font: inherit;
  font-size: 1.1rem;
  line-height: 1;
  width: 1.8rem;
  height: 1.8rem;
  border: 1px solid transparent;
  border-radius: 4px;
  background: none;
  color: var(--ws-muted);
  cursor: pointer;
}
.ws-icon-btn:hover { border-color: var(--ws-border); color: var(--ws-bad); }

/* Sticky progress / download bar */
.ws-footer {
  position: sticky;
  bottom: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 2rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--ws-border);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.06);
}
.ws-progress { font-weight: 600; }
.ws-footer-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.ws-footer-actions .btn { margin: 0; }

/* ---------- Printable report ---------- */

#ws-report { display: none; }

@media print {
  @page { margin: 15mm; }
  body > *:not(#ws-report) { display: none !important; }
  #ws-report {
    display: block !important;
    font: 10.5pt/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #111;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  #ws-report h1 { font-size: 18pt; margin: 0 0 8pt; padding-bottom: 6pt; border-bottom: 2pt solid #632523; }
  #ws-report h2 { font-size: 13pt; margin: 16pt 0 6pt; color: #17375e; break-after: avoid; }
  #ws-report table.ws-params { max-width: 100%; margin: 4pt 0 8pt; font-size: 9pt; break-inside: avoid; }
  #ws-report .ws-params th, #ws-report .ws-params td { padding: 1.5pt 5pt; }
  #ws-report table.ws-r-meta { display: table; width: auto; min-width: 0; border-collapse: collapse; margin-bottom: 6pt; box-shadow: none; }
  #ws-report .ws-r-meta th, #ws-report .ws-r-meta td { border: 0; min-width: 0; vertical-align: top; font-size: 10.5pt; line-height: 1.4; }
  #ws-report .ws-r-meta th { text-align: left; padding: 1pt 16pt 1pt 0; color: #555; font-weight: 600; }
  #ws-report .ws-r-meta td { padding: 1pt 0; }
  .ws-r-step { font-weight: 600; margin: 8pt 0 4pt; }
  .ws-r-q { margin: 6pt 0 10pt; padding: 6pt 8pt; border: 0.75pt solid #ccc; border-radius: 3pt; break-inside: avoid; }
  .ws-r-prompt { margin: 0 0 4pt; }
  .ws-r-line { display: flex; flex-wrap: wrap; gap: 4pt 10pt; margin: 2pt 0; }
  .ws-r-key { color: #555; min-width: 8em; font-style: italic; }
  .ws-r-free { flex: 1 1 60%; white-space: pre-wrap; }
  .ws-r-ok { color: #1e7f3c; font-weight: 600; }
  .ws-r-bad, .ws-r-danger { color: #b42318; font-weight: 600; }
  .ws-r-warn { color: #b26b00; font-weight: 600; }
  .ws-r-info { color: #555; }
  .ws-r-log { border-collapse: collapse; margin: 2pt 0 4pt; font-size: 9.5pt; }
  .ws-r-log th, .ws-r-log td { border: 0.75pt solid #ccc; padding: 1.5pt 8pt; text-align: left; }
  .ws-r-log th { background: #f2f2f2; }
  #ws-report table.ws-r-grid { display: table; width: auto; min-width: 0; border-collapse: collapse; margin: 4pt 0; font-size: 9pt; box-shadow: none; break-inside: avoid; }
  #ws-report .ws-r-grid th, #ws-report .ws-r-grid td { min-width: 0; border: 0.75pt solid #ccc; padding: 1.5pt 6pt; text-align: left; vertical-align: top; }
  #ws-report .ws-r-grid tbody th { background: #f7f7f7; font-weight: 600; }
  #ws-report .ws-r-grid tr.ws-grid-h th { background: #eceaf0; font-size: 8pt; text-transform: uppercase; color: #555; }
  #ws-report .ws-r-grid .ws-grid-sub { display: block; font-size: 7.5pt; font-weight: 400; color: #777; }
  #ws-report .ws-r-grid td.ws-r-ok { background: #e8f5ec; }
  #ws-report .ws-r-grid td.ws-r-bad { background: #fdecea; }
  .ws-r-model { margin-top: 4pt; padding: 4pt 6pt; background: #f5f3fd; border-left: 2pt solid #7253ed; }
  .ws-r-model ul { margin: 2pt 0 0; padding-left: 14pt; }
  .ws-r-pending { margin: 2pt 0 0; color: #888; font-style: italic; }
  .ws-r-foot { margin-top: 14pt; font-size: 8pt; color: #888; }
}