/* Wavelengths Symptom Index
   Type: Calibri for text, Consolas for data. Both by Luc(as) de Groot, so the
   pairing is a family resemblance rather than a contrast. Carlito is the
   metric-identical open substitute for Calibri on Linux/Android. */

:root {
  --paper:      #f4f6f4;
  --panel:      #ffffff;
  --ink:        #14181a;
  --ink-2:      #5c6668;
  --ink-3:      #8b9496;
  --rule:       #d9e0dc;
  --rule-2:     #eef1ee;
  --accent:     #0e6b5e;
  --accent-2:   #e3efeb;
  --flag:       #8a5d0f;
  --flag-2:     #f7efdd;
  --mark:       #fdf3b8;

  --sans: Calibri, Carlito, "Segoe UI", Candara, system-ui, -apple-system, sans-serif;
  --mono: Consolas, "Cascadia Mono", "DejaVu Sans Mono", ui-monospace, Menlo, monospace;

  --step: 0.5rem;
  --wrap: 62rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:    #14181a;
    --panel:    #1b2023;
    --ink:      #e6ebe9;
    --ink-2:    #9aa5a4;
    --ink-3:    #6d7878;
    --rule:     #2e3538;
    --rule-2:   #242a2d;
    --accent:   #5fbfae;
    --accent-2: #1e2e2c;
    --flag:     #d5a960;
    --flag-2:   #2c2820;
    --mark:     #4a4322;
  }
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.45;
}

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

.vh {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

.skip {
  position: absolute; left: -999px; top: 0; z-index: 10;
  background: var(--panel); padding: 0.6rem 1rem; border: 1px solid var(--accent);
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sep { color: var(--ink-3); padding-inline: 0.15em; }
.quiet { color: var(--ink-2); }

/* ---------- masthead ---------- */

.masthead {
  background: var(--panel);
  border-bottom: 1px solid var(--rule);
}

.masthead .wrap { padding-block: 1.5rem 0; }

h1 {
  margin: 0;
  font-size: clamp(1.25rem, 3.4vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.25;
  text-transform: uppercase;
  text-wrap: balance;
}

.masthead-sub {
  margin: 0.15rem 0 1.25rem;
  color: var(--ink-2);
  font-size: 0.95rem;
}

.record-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 0.6rem 1.5rem;
  margin: 0;
  border-top: 1px solid var(--rule-2);
  padding-block: 0.75rem;
}

.field-wide { grid-column: span 2; }

.field dt {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.field dd {
  margin: 0.1rem 0 0;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.field dd .nb { white-space: nowrap; }

/* ---------- specimen card (the signature) ---------- */

.specimen {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-block: 1.75rem;
  padding: 1.1rem 1.25rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
}

.specimen-mount { min-width: 0; }

.specimen-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.specimen-name {
  margin: 0.15rem 0 0;
  font-size: 1.75rem;
  line-height: 1.15;
  font-weight: 400;
}

.specimen-note {
  margin: 0.1rem 0 0;
  color: var(--ink-2);
  font-size: 1rem;
  font-style: italic;
}
.specimen-note:empty { display: none; }

.specimen-meta {
  margin: 0.45rem 0 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-2);
}

.accession { color: var(--ink-3); }

.btn {
  flex: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--panel);
  border: 1px solid var(--accent);
  padding: 0.5rem 0.9rem;
  cursor: pointer;
}
.btn:hover { background: var(--accent-2); }
.btn:active { transform: translateY(1px); }

/* ---------- controls ---------- */

.controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem 1rem;
  align-items: center;
  margin-bottom: 0.85rem;
}

.search-field { position: relative; }

#q {
  width: 100%;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 0.6rem 2.2rem 0.6rem 0.75rem;
  border-radius: 0;
}
#q::-webkit-search-cancel-button { display: none; }
#q:focus { border-color: var(--accent); }

.clear {
  position: absolute;
  right: 0.2rem; top: 50%; transform: translateY(-50%);
  border: 0; background: none; cursor: pointer;
  font-size: 1.35rem; line-height: 1; color: var(--ink-2);
  padding: 0.15rem 0.5rem;
}
.clear:hover { color: var(--ink); }

.scope { display: flex; }

.seg {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}
.seg + .seg { border-left: 0; }
.seg:hover { color: var(--ink); }
.seg[aria-pressed="true"] {
  color: var(--accent);
  background: var(--accent-2);
  border-color: var(--accent);
}
.seg[aria-pressed="true"] + .seg { border-left: 0; }

.filters { grid-column: 1 / -1; }

.filters summary {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
  cursor: pointer;
  padding: 0.2rem 0;
  width: max-content;
}
.filters summary:hover { color: var(--ink); }

#ex-badge { color: var(--flag); }

.filters-body {
  border: 1px solid var(--rule);
  background: var(--panel);
  padding: 0.9rem 1rem;
  margin-top: 0.4rem;
}

#ex {
  display: block;
  width: 100%;
  resize: vertical;
  line-height: 1.4;
  max-width: 26rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 0.45rem 0.6rem;
  border-radius: 0;
}

.hint { margin: 0.5rem 0 0; font-size: 0.85rem; color: var(--ink-2); }
.hint:first-child { margin-top: 0; }
.hint code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--rule-2);
  padding: 0.05em 0.3em;
}

.link {
  border: 0; background: none; padding: 0; cursor: pointer;
  font: inherit; color: var(--accent); text-decoration: underline;
  text-underline-offset: 2px;
}

.chips { display: flex; flex-wrap: wrap; gap: 0.35rem; list-style: none; margin: 0.55rem 0 0; padding: 0; }
.chips li {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--flag);
  background: var(--flag-2);
  border: 1px solid currentColor;
  padding: 0.15rem 0.45rem;
}

/* the excluded entries, kept visible so a guest-host week can still be read */
.notes {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0.55rem 0.7rem;
  max-height: 15rem;
  overflow-y: auto;
  background: var(--paper);
  border: 1px solid var(--rule);
}

.notes li + li { margin-top: 0.25rem; }

.notes button {
  display: flex;
  gap: 0.7rem;
  width: 100%;
  font-family: var(--mono);
  font-size: 0.76rem;
  text-align: left;
  color: var(--ink);
  background: none;
  border: 0;
  padding: 0.12rem 0.2rem;
  cursor: pointer;
}
.notes button:hover { background: var(--flag-2); color: var(--flag); }
.notes time { color: var(--ink-3); flex: none; font-variant-numeric: tabular-nums; }

/* ---------- results ---------- */

.result-line {
  margin: 0 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.table-wrap {
  background: var(--panel);
  border: 1px solid var(--rule);
}

table {
  width: 100%;
  table-layout: fixed;      /* keeps layout cheap across 1,400+ rows */
  border-collapse: collapse;
  font-size: 0.98rem;
}

.col-name { width: auto; }

thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--panel);
  border-bottom: 1px solid var(--ink);
  text-align: left;
  padding: 0;
  font-weight: 400;
}

thead th:not(.sortable) {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding: 0.6rem 0.9rem;
}

.sortable button {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: none;
  border: 0;
  padding: 0.6rem 0.9rem;
  text-align: left;
  cursor: pointer;
}
.sortable button:hover { color: var(--accent); }
.sortable[aria-sort="ascending"] button,
.sortable[aria-sort="descending"] button { color: var(--accent); }

.arrow::after { content: "\2195"; opacity: 0.35; padding-left: 0.35em; }
.sortable[aria-sort="ascending"] .arrow::after  { content: "\2191"; opacity: 1; }
.sortable[aria-sort="descending"] .arrow::after { content: "\2193"; opacity: 1; }

tbody td {
  padding: 0.42rem 0.9rem;
  border-bottom: 1px solid var(--rule-2);
  vertical-align: baseline;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--accent-2); }

.col-date { width: 8.5rem; }

td.col-date {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
  white-space: nowrap;
}

td.col-date button {
  font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer;
  text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 2px;
}
td.col-date button:hover { color: var(--accent); text-decoration-color: currentColor; }

.sym-note { color: var(--ink-2); font-style: italic; }
.sym-note::before { content: " — "; font-style: normal; color: var(--ink-3); }

tr.is-excluded td { background: var(--flag-2); }
tr.is-excluded .col-name::after {
  content: "excluded";
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--flag);
  border: 1px solid currentColor;
  padding: 0 0.3em;
  margin-left: 0.55em;
  white-space: nowrap;
}

.repeat-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-3);
  margin-left: 0.5em;
  white-space: nowrap;
}

mark { background: var(--mark); color: inherit; }

.empty { padding: 2rem 0.9rem; text-align: center; color: var(--ink-2); margin: 0; }

/* ---------- coverage strip ---------- */

.coverage {
  margin-block: 1.75rem;
  padding: 1rem 1.25rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--rule);
}

.coverage-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.7rem;
}

.coverage-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.coverage-count {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.coverage-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 3px 0.6rem;
}

.cov-year {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.cov-row {
  display: grid;
  grid-template-columns: repeat(53, 1fr);
  gap: 1px;
}

.cov-cell {
  height: 11px;
  border: 0;
  padding: 0;
  background: var(--rule);
  cursor: default;
}
.cov-cell.is-full  { background: var(--accent); }
.cov-cell.is-empty { background: var(--flag); opacity: 0.55; }
.cov-cell.is-void  { visibility: hidden; }
.cov-cell.is-full,
.cov-cell.is-empty { cursor: pointer; }
.cov-cell.is-full:hover,
.cov-cell.is-empty:hover { outline: 2px solid var(--ink); outline-offset: 1px; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--ink-2);
}
.legend li { display: flex; align-items: center; gap: 0.4rem; }

.sw { width: 0.7rem; height: 0.7rem; display: inline-block; background: var(--rule); }
.sw-full { background: var(--accent); }
.sw-empty { background: var(--flag); opacity: 0.55; }

/* ---------- footer ---------- */

.foot {
  margin-top: 2.5rem;
  border-top: 1px solid var(--rule);
  background: var(--panel);
  padding-block: 1.1rem 2rem;
  font-size: 0.85rem;
}
.foot p { margin: 0.2rem 0; }
.foot .quiet { font-family: var(--mono); font-size: 0.72rem; }

/* ---------- narrow screens ---------- */

@media (max-width: 46rem) {
  body { font-size: 16px; }
  .controls { grid-template-columns: 1fr; }
  .scope { width: 100%; }
  .seg { flex: 1; text-align: center; }
  .specimen-name { font-size: 1.4rem; }
  .col-date { width: 6.4rem; }
  td.col-date, thead .col-date button { padding-inline: 0.6rem; }
  tbody td, thead th:not(.sortable) { padding-inline: 0.6rem; }
  .sortable button { padding-inline: 0.6rem; }
  .record-strip { grid-template-columns: repeat(auto-fit, minmax(7rem, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .btn:active { transform: none; }
}