/* ==========================================================================
   Wanderleaf — botanical clinic sheet
   Houses file: table-dominant, hairline rules, square corners, no shadows.
   Naming is deliberately clinical (chart / dosage / spec / triage) rather than
   the generic card/container vocabulary used elsewhere.
   ========================================================================== */

:root {
  /* chart — the sheet itself */
  --chart-paper: #f2ede3;
  --chart-sheet: #fbf9f4;
  --chart-rule: #c9c1ae;
  --chart-rule-soft: #ddd6c6;
  --chart-ink: #1f3d2b;
  --chart-ink-soft: #4d5b4a;
  --chart-stamp: #a6542a;

  /* lux — light readings */
  --lux-low: #6b7a52;
  --lux-medium: #8f9c46;
  --lux-bright: #b9d38a;
  --lux-direct: #d8a13a;

  /* humidity — moisture band */
  --humidity-dry: #c2a27a;
  --humidity-mid: #7fa08c;
  --humidity-wet: #3f6f5c;

  /* tox — pet safety flag */
  --tox-safe: #4f7a3a;
  --tox-unsafe: #a6542a;
  --tox-unknown: #8b8577;

  --chart-measure: 74rem;
  --chart-rail: 17rem;
  --chart-hair: 1px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0;
}

/* The triage filter toggles the `hidden` attribute on cells whose own display
   value (flex, for the badge row to sit at the bottom) would otherwise win. */
[hidden] {
  display: none !important;
}

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

body {
  margin: 0;
  background: var(--chart-paper);
  color: var(--chart-ink);
  font-family: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.62;
  font-variant-numeric: tabular-nums;
}

h1,
h2,
h3,
h4,
h5,
figcaption,
.sheet-title {
  font-family: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.006em;
  margin: 0 0 0.5rem;
}

h1 {
  font-size: clamp(1.7rem, 1.1rem + 2vw, 2.6rem);
  line-height: 1.14;
}
h2 {
  font-size: clamp(1.22rem, 1rem + 0.8vw, 1.6rem);
  line-height: 1.2;
}
h3 {
  font-size: 1.06rem;
  line-height: 1.3;
}
h4 {
  font-size: 0.98rem;
}

p {
  margin: 0 0 0.85rem;
}

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

a:hover {
  color: var(--chart-stamp);
}

ul,
ol {
  margin: 0 0 0.9rem;
  padding-left: 1.15rem;
}

li {
  margin-bottom: 0.3rem;
}

code,
.mono {
  font-family: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  font-size: 0.86em;
}

img {
  max-width: 100%;
  display: block;
}

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

.masthead {
  border-bottom: var(--chart-hair) solid var(--chart-ink);
  background: var(--chart-sheet);
}

.masthead-inner {
  max-width: var(--chart-measure);
  margin: 0 auto;
  padding: 0.9rem 1.1rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.masthead-mark {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.masthead-mark img {
  width: 34px;
  height: 34px;
  border: var(--chart-hair) solid var(--chart-ink);
}

.masthead-mark b {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 1.24rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.masthead-mark span {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--chart-ink-soft);
}

.masthead-nav {
  margin-left: auto;
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.masthead-nav a {
  text-decoration: none;
  border-bottom: var(--chart-hair) solid var(--chart-rule);
  padding-bottom: 1px;
}

.chart-switch {
  border-left: var(--chart-hair) solid var(--chart-rule);
  padding-left: 0.9rem;
}

/* --------------------------------------------------------------- shell */

.shell {
  max-width: var(--chart-measure);
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--chart-rail) minmax(0, 1fr);
  gap: 2rem;
  padding: 1.4rem 1.1rem 4rem;
  align-items: start;
}

.chart {
  min-width: 0;
}

/* --------------------------------------------------------------- rail */

.rail {
  border-right: var(--chart-hair) solid var(--chart-rule);
  padding-right: 1.1rem;
  position: sticky;
  top: 1rem;
  font-size: 0.86rem;
}

.rail-head {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--chart-ink-soft);
  border-bottom: var(--chart-hair) solid var(--chart-ink);
  padding-bottom: 0.28rem;
  margin-bottom: 0.5rem;
}

.rail-branch > summary {
  cursor: pointer;
  list-style: none;
  padding: 0.34rem 0;
  border-bottom: var(--chart-hair) solid var(--chart-rule-soft);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.rail-branch > summary::-webkit-details-marker {
  display: none;
}

.rail-branch > summary::before {
  content: '+ ';
  color: var(--chart-stamp);
  font-family: ui-monospace, monospace;
}

.rail-branch[open] > summary::before {
  content: '\2212 ';
}

.rail-subbranch > summary {
  cursor: pointer;
  list-style: none;
  padding: 0.3rem 0 0.3rem 0.7rem;
  font-size: 0.78rem;
  color: var(--chart-ink-soft);
  border-left: 3px solid var(--lux-bright);
  padding-left: 0.5rem;
  margin: 0.34rem 0 0.2rem;
}

.rail-subbranch > summary::-webkit-details-marker {
  display: none;
}

.rail-subbranch[data-lux='low'] > summary {
  border-left-color: var(--lux-low);
}
.rail-subbranch[data-lux='medium'] > summary {
  border-left-color: var(--lux-medium);
}
.rail-subbranch[data-lux='bright-indirect'] > summary {
  border-left-color: var(--lux-bright);
}
.rail-subbranch[data-lux='direct'] > summary {
  border-left-color: var(--lux-direct);
}

.rail-link {
  display: block;
  padding: 0.22rem 0 0.22rem 1.1rem;
  text-decoration: none;
  color: var(--chart-ink-soft);
  border-bottom: 1px dotted var(--chart-rule-soft);
}

.rail-link:hover {
  color: var(--chart-stamp);
  background: rgba(185, 211, 138, 0.16);
}

.rail-note {
  margin-top: 1rem;
  font-size: 0.74rem;
  color: var(--chart-ink-soft);
  border-top: var(--chart-hair) solid var(--chart-rule);
  padding-top: 0.5rem;
}

/* --------------------------------------------------------------- triage */

.triage {
  border: var(--chart-hair) solid var(--chart-ink);
  background: var(--chart-sheet);
  padding: 1rem 1.05rem 1.15rem;
  margin-bottom: 1.6rem;
}

.triage-lede {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: var(--chart-hair) solid var(--chart-rule);
  padding-bottom: 0.55rem;
  margin-bottom: 0.85rem;
}

.triage-lede h2 {
  margin: 0;
}

.triage-lede p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--chart-ink-soft);
  max-width: 26rem;
}

.triage-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  background: var(--chart-rule);
  border: var(--chart-hair) solid var(--chart-rule);
}

.triage-tile {
  background: var(--chart-sheet);
  padding: 0.5rem 0.5rem 0.65rem;
  text-decoration: none;
  display: block;
  border-top: 4px solid transparent;
}

.triage-tile:hover,
.triage-tile[aria-pressed='true'] {
  background: #f0f6e4;
  border-top-color: var(--chart-stamp);
}

.triage-tile img {
  width: 100%;
  height: auto;
  border: var(--chart-hair) solid var(--chart-rule-soft);
  margin-bottom: 0.4rem;
}

.triage-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.25;
}

.triage-sub {
  display: block;
  font-size: 0.68rem;
  color: var(--chart-ink-soft);
  letter-spacing: 0.04em;
}

.triage-foot {
  margin: 0.7rem 0 0;
  font-size: 0.76rem;
  color: var(--chart-ink-soft);
}

/* Appears only once the filter is active, so a reader who clicked a tile can
   still reach the sheet the tile points at. */
.triage-open {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
}

.triage-open a {
  color: var(--chart-stamp);
}

/* --------------------------------------------------------------- index grid */

.sheet-band {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: var(--chart-hair) solid var(--chart-ink);
  padding-bottom: 0.3rem;
  margin: 1.8rem 0 0.9rem;
}

.sheet-band h2 {
  margin: 0;
}

.sheet-band span {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--chart-ink-soft);
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
  gap: 1px;
  background: var(--chart-rule);
  border: var(--chart-hair) solid var(--chart-rule);
}

.index-cell {
  background: var(--chart-sheet);
  padding: 0.7rem 0.8rem 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.index-cell h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.25;
}

.index-cell h3 a {
  text-decoration: none;
}

.index-cell h3 a:hover {
  text-decoration: underline;
}

.index-cell p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--chart-ink-soft);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28rem;
  margin-top: auto;
  padding-top: 0.35rem;
}

.badge {
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border: var(--chart-hair) solid var(--chart-rule);
  padding: 0.08rem 0.34rem;
  background: var(--chart-paper);
  color: var(--chart-ink-soft);
  white-space: nowrap;
}

.badge[data-lux='low'] {
  border-color: var(--lux-low);
  color: var(--lux-low);
}
.badge[data-lux='medium'] {
  border-color: var(--lux-medium);
  color: #6a7530;
}
.badge[data-lux='bright-indirect'] {
  border-color: #8fae53;
  color: #5e7a2c;
}
.badge[data-lux='direct'] {
  border-color: var(--lux-direct);
  color: #8a6415;
}
.badge[data-humidity='dry'] {
  border-color: var(--humidity-dry);
  color: #8a6b3e;
}
.badge[data-humidity='mid'] {
  border-color: var(--humidity-mid);
  color: #4d7263;
}
.badge[data-humidity='wet'] {
  border-color: var(--humidity-wet);
  color: var(--humidity-wet);
}
.badge[data-tox='safe'] {
  border-color: var(--tox-safe);
  color: var(--tox-safe);
}
.badge[data-tox='unsafe'] {
  border-color: var(--tox-unsafe);
  color: var(--tox-unsafe);
}
.badge[data-kind='symptom'] {
  border-color: var(--chart-ink);
  background: var(--chart-ink);
  color: var(--chart-sheet);
}
.badge[data-kind='room'] {
  border-color: var(--chart-stamp);
  color: var(--chart-stamp);
}

/* --------------------------------------------------------------- sheet header */

.sheet-head {
  border-bottom: 2px solid var(--chart-ink);
  padding-bottom: 0.7rem;
  margin-bottom: 1.1rem;
}

.sheet-kicker {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--chart-stamp);
  margin: 0 0 0.3rem;
}

.sheet-head h1 {
  margin: 0 0 0.5rem;
}

.sheet-head .lede {
  font-size: 1.02rem;
  max-width: 46rem;
  margin: 0;
  color: var(--chart-ink-soft);
}

.sheet-botanical {
  font-size: 0.82rem;
  color: var(--chart-ink-soft);
  margin: 0.4rem 0 0;
}

.sheet-botanical em {
  font-family: 'Newsreader', Georgia, serif;
  font-size: 1.02rem;
}

/* --------------------------------------------------------------- spec table */

.spec {
  width: 100%;
  border-collapse: collapse;
  border: var(--chart-hair) solid var(--chart-ink);
  margin-bottom: 1.4rem;
  font-size: 0.88rem;
}

.spec caption {
  text-align: left;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--chart-ink-soft);
  padding: 0 0 0.28rem;
}

.spec th,
.spec td {
  border-bottom: var(--chart-hair) solid var(--chart-rule-soft);
  padding: 0.42rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

.spec tr:last-child th,
.spec tr:last-child td {
  border-bottom: 0;
}

.spec th {
  width: 12.5rem;
  font-weight: 400;
  color: var(--chart-ink-soft);
  background: #f3efe4;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.spec td b {
  font-weight: 600;
}

.spec td .sub {
  display: block;
  color: var(--chart-ink-soft);
  font-size: 0.84rem;
}

.lux-meter {
  display: inline-block;
  width: 8rem;
  height: 0.6rem;
  border: var(--chart-hair) solid var(--chart-rule);
  background: linear-gradient(
    to right,
    var(--lux-low) 0 25%,
    var(--lux-medium) 25% 50%,
    var(--lux-bright) 50% 75%,
    var(--lux-direct) 75% 100%
  );
  vertical-align: middle;
  margin-right: 0.4rem;
}

.tox-flag {
  display: inline-block;
  border: var(--chart-hair) solid;
  padding: 0.06rem 0.4rem;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tox-flag[data-tox='safe'] {
  border-color: var(--tox-safe);
  color: var(--tox-safe);
}
.tox-flag[data-tox='unsafe'] {
  border-color: var(--tox-unsafe);
  color: var(--tox-unsafe);
}

/* --------------------------------------------------------------- dx blocks */

.dx {
  border: var(--chart-hair) solid var(--chart-ink);
  margin-bottom: 1.5rem;
}

.dx-block {
  border-bottom: var(--chart-hair) solid var(--chart-rule);
  padding: 0.85rem 0.95rem 0.95rem;
}

.dx-block:last-child {
  border-bottom: 0;
}

.dx-block h2 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
}

.dx-step {
  font-family: ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--chart-sheet);
  background: var(--chart-ink);
  padding: 0.1rem 0.42rem;
}

.dx-block[data-stage='cause'] .dx-step {
  background: var(--chart-stamp);
}

.dx-block[data-stage='remedy'] .dx-step {
  background: var(--lux-low);
}

.dx-block ul {
  margin-bottom: 0;
}

.dx-block li {
  margin-bottom: 0.42rem;
}

/* --------------------------------------------------------------- prose sections */

.prose h2 {
  border-bottom: var(--chart-hair) solid var(--chart-rule);
  padding-bottom: 0.25rem;
  margin-top: 1.7rem;
}

.prose ul {
  border-left: 3px solid var(--lux-bright);
  padding-left: 0.9rem;
  list-style: none;
}

.prose ul li::before {
  content: '\2014\00a0';
  color: var(--chart-stamp);
}

/* --------------------------------------------------------------- collateral */

.collateral {
  border: var(--chart-hair) solid var(--chart-rule);
  background: var(--chart-sheet);
  padding: 0.8rem 0.95rem;
  margin-bottom: 1.4rem;
}

.collateral table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.collateral th,
.collateral td {
  text-align: left;
  vertical-align: top;
  padding: 0.4rem 0.6rem 0.4rem 0;
  border-bottom: 1px dotted var(--chart-rule);
}

.collateral th {
  width: 33%;
  font-weight: 600;
}

.collateral tr:last-child th,
.collateral tr:last-child td {
  border-bottom: 0;
}

/* --------------------------------------------------------------- faq */

.qa {
  border-top: 2px solid var(--chart-ink);
  margin-top: 1.6rem;
}

.qa details {
  border-bottom: var(--chart-hair) solid var(--chart-rule);
}

.qa summary {
  cursor: pointer;
  padding: 0.6rem 0;
  font-family: 'Newsreader', Georgia, serif;
  font-size: 1.02rem;
  list-style: none;
}

.qa summary::-webkit-details-marker {
  display: none;
}

.qa summary::before {
  content: '\00a7\00a0';
  color: var(--chart-stamp);
  font-family: ui-monospace, monospace;
  font-size: 0.82rem;
}

.qa details[open] summary {
  color: var(--chart-stamp);
}

.qa .qa-body {
  padding: 0 0 0.75rem 1.2rem;
  font-size: 0.92rem;
  color: var(--chart-ink-soft);
}

/* --------------------------------------------------------------- caveat */

.caveat {
  border: var(--chart-hair) solid var(--chart-stamp);
  border-left-width: 5px;
  padding: 0.7rem 0.9rem;
  margin: 1.6rem 0 0;
  font-size: 0.84rem;
  color: var(--chart-ink-soft);
  background: #faf3ea;
}

.caveat b {
  color: var(--chart-stamp);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  display: block;
  margin-bottom: 0.2rem;
}

/* Editorial byline, printed beside the publication date on every sheet. */
.caveat .byline {
  color: var(--chart-stamp);
  font-weight: 600;
  white-space: nowrap;
}

/* --------------------------------------------------------------- pager */

.pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: var(--chart-hair) solid var(--chart-rule);
  margin-top: 1.8rem;
  padding-top: 0.6rem;
  font-size: 0.82rem;
}

/* --------------------------------------------------------------- legal + plain pages */

.plain {
  max-width: 46rem;
}

.plain h2 {
  margin-top: 1.6rem;
  border-bottom: var(--chart-hair) solid var(--chart-rule);
  padding-bottom: 0.22rem;
}

.plain h3 {
  margin-top: 1.1rem;
}

.plain .stamp {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--chart-stamp);
}

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

.footmark {
  border-top: var(--chart-hair) solid var(--chart-ink);
  background: var(--chart-sheet);
  margin-top: 2rem;
}

.footmark-inner {
  max-width: var(--chart-measure);
  margin: 0 auto;
  padding: 1.1rem 1.1rem 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1.2rem;
  font-size: 0.8rem;
  color: var(--chart-ink-soft);
}

.footmark h4 {
  font-family: 'Archivo', sans-serif;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 0.4rem;
  color: var(--chart-ink);
}

.footmark a {
  display: block;
  text-decoration: none;
  padding: 0.1rem 0;
}

.footmark a:hover {
  text-decoration: underline;
}

/* Editorial disclaimer, printed once in the shared footer of every page. */
.footmark-note {
  max-width: var(--chart-measure);
  margin: 0 auto;
  padding: 0 1.1rem 1.4rem;
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--chart-ink-soft);
}

.notfound-code {
  font-family: ui-monospace, monospace;
  font-size: 3.4rem;
  color: var(--chart-stamp);
  margin: 0;
}

/* --------------------------------------------------------------- responsive */

@media (max-width: 900px) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.1rem;
    padding-top: 0.9rem;
  }

  .rail {
    position: static;
    border-right: 0;
    border-bottom: var(--chart-hair) solid var(--chart-rule);
    padding: 0 0 0.7rem;
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .rail-head {
    display: none;
  }

  .rail-branch {
    display: inline-block;
    border: var(--chart-hair) solid var(--chart-rule);
    padding: 0.15rem 0.45rem;
    background: var(--chart-sheet);
  }

  .rail-branch > summary {
    border-bottom: 0;
    padding: 0.05rem 0;
  }

  .rail-branch[open] {
    white-space: normal;
  }

  .rail-branch[open] > *:not(summary) {
    display: block;
    white-space: normal;
  }

  .rail-note {
    display: none;
  }

  .triage-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .spec th {
    width: 8.5rem;
  }
}

@media (max-width: 560px) {
  .triage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .spec th {
    width: 6.6rem;
    font-size: 0.72rem;
  }

  .spec td {
    font-size: 0.84rem;
  }
}

@media print {
  .rail,
  .masthead-nav,
  .triage {
    display: none;
  }
  .shell {
    grid-template-columns: minmax(0, 1fr);
  }
}