/* ==========================================================================
   PhytoRemedy — styles
   ========================================================================== */

:root {
  --bg:            #0d1411;
  --bg-raised:     #131c18;
  --bg-input:      #0a100d;
  --surface:       #18231e;
  --border:        #24332b;
  --border-strong: #33463b;

  --text:          #e6efe9;
  --text-muted:    #92a89b;
  --text-faint:    #6b8175;

  --accent:        #4ade80;
  --accent-dim:    #22c55e;
  --accent-deep:   #15803d;
  --accent-glow:   rgba(74, 222, 128, 0.14);

  --warn:          #fbbf24;
  --warn-bg:       rgba(251, 191, 36, 0.10);
  --danger:        #f87171;
  --danger-bg:     rgba(248, 113, 113, 0.10);
  --info:          #60a5fa;
  --info-bg:       rgba(96, 165, 250, 0.10);

  --radius:   12px;
  --radius-sm: 8px;
  --shadow:   0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.28);

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:            #f6f8f6;
    --bg-raised:     #ffffff;
    --bg-input:      #ffffff;
    --surface:       #eef2ee;
    --border:        #d9e2db;
    --border-strong: #bfcdc3;

    --text:          #17251d;
    --text-muted:    #566a5d;
    --text-faint:    #7b8d82;

    --accent:        #15803d;
    --accent-dim:    #16a34a;
    --accent-deep:   #14532d;
    --accent-glow:   rgba(21, 128, 61, 0.08);

    --warn:          #b45309;
    --warn-bg:       rgba(180, 83, 9, 0.08);
    --danger:        #b91c1c;
    --danger-bg:     rgba(185, 28, 28, 0.07);
    --info:          #1d4ed8;
    --info-bg:       rgba(29, 78, 216, 0.07);

    --shadow: 0 1px 2px rgba(20,40,30,.06), 0 8px 24px rgba(20,40,30,.07);
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 12% -8%, var(--accent-glow), transparent 62%),
    radial-gradient(700px 420px at 96% 4%, rgba(96,165,250,.06), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: var(--accent); }
code { font-family: var(--mono); font-size: .88em; background: var(--surface); padding: .1em .35em; border-radius: 4px; }

.hidden { display: none !important; }
.mt-6 { margin-top: 6px; }

/* ---------------------------------------------------------------- topbar */

.topbar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 1440px; margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  font-size: 24px; line-height: 1;
  width: 42px; height: 42px; display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: 11px;
}
.brand h1 { font-size: 18px; }
.tagline { font-size: 12.5px; color: var(--text-muted); }

.tabs { display: flex; gap: 4px; background: var(--surface); padding: 4px; border-radius: 10px; border: 1px solid var(--border); }
.tab {
  appearance: none; border: 0; background: transparent; cursor: pointer;
  font: inherit; font-size: 13.5px; font-weight: 550; color: var(--text-muted);
  padding: 7px 14px; border-radius: 7px; transition: .14s;
}
.tab:hover { color: var(--text); }
.tab.is-active { background: var(--bg-raised); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.25); }

/* ----------------------------------------------------------------- layout */

main { max-width: 1440px; margin: 0 auto; padding: 28px 24px 64px; }

.layout {
  display: grid;
  grid-template-columns: minmax(340px, 400px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
@media (max-width: 1000px) { .layout { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.card.wide { max-width: 1000px; margin: 0 auto; }
.card-title { font-size: 16px; }
.card-sub { font-size: 13px; color: var(--text-muted); margin-top: 6px; max-width: 62ch; }
.card-head { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; flex-wrap: wrap; margin-bottom: 18px; }
.card-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ------------------------------------------------------------------- form */

.form { position: sticky; top: 88px; }
@media (max-width: 1000px) { .form { position: static; } }

.field { margin-top: 18px; }
.form > .card-title + .field { margin-top: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .field-row { grid-template-columns: 1fr; } }

label {
  display: flex; align-items: baseline; gap: 7px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .012em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 7px;
}
.req, .opt {
  text-transform: none; letter-spacing: 0; font-weight: 500; font-size: 10.5px;
  padding: 1px 6px; border-radius: 999px;
}
.req { color: var(--accent); background: var(--accent-glow); }
.opt { color: var(--text-faint); background: var(--surface); }

input[type=text], input[type=number], select, textarea {
  width: 100%;
  font: inherit; font-size: 14px;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
  transition: border-color .14s, box-shadow .14s;
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2392a89b' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  padding-right: 32px;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
input::placeholder { color: var(--text-faint); }

.input-group { display: flex; gap: 8px; }
.input-group input { flex: 1 1 auto; min-width: 0; }
.input-group select { flex: 0 0 auto; width: auto; min-width: 108px; }
.unit-tag {
  flex: 0 0 auto; display: grid; place-items: center; padding: 0 12px;
  font-size: 13px; color: var(--text-muted); font-family: var(--mono);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
}

.hint { font-size: 12px; color: var(--text-faint); margin-top: 6px; line-height: 1.45; }

/* ---------------------------------------------------------------- buttons */

.btn {
  appearance: none; cursor: pointer; font: inherit; font-size: 13.5px; font-weight: 600;
  padding: 9px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  transition: .14s; white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--text-faint); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-block { width: 100%; margin-top: 24px; padding: 12px; font-size: 14.5px; }
.btn-primary {
  background: linear-gradient(180deg, var(--accent-dim), var(--accent-deep));
  border-color: var(--accent-deep); color: #fff;
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.1); border-color: var(--accent-dim); }
.btn-ghost { background: transparent; }
.btn-danger-ghost { background: transparent; color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn-danger-ghost:hover { background: var(--danger-bg); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

.btn.is-loading .btn-label { visibility: hidden; }
.btn.is-loading { position: relative; }
.btn.is-loading::after {
  content: ''; position: absolute; inset: 0; margin: auto;
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.3); border-top-color: #fff;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-error {
  margin-top: 14px; padding: 10px 12px; font-size: 13px;
  color: var(--danger); background: var(--danger-bg);
  border: 1px solid color-mix(in srgb, var(--danger) 32%, transparent);
  border-radius: var(--radius-sm);
}

/* ------------------------------------------------------------ empty state */

.empty-state {
  border: 1px dashed var(--border-strong); border-radius: var(--radius);
  padding: 56px 32px; text-align: center;
}
.empty-mark { font-size: 40px; margin-bottom: 14px; }
.empty-state h2 { font-size: 19px; margin-bottom: 10px; }
.empty-state > p { color: var(--text-muted); max-width: 54ch; margin: 0 auto; font-size: 14px; }
.empty-points {
  list-style: none; padding: 0; margin: 26px auto 0; max-width: 460px;
  display: grid; gap: 8px; text-align: left; font-size: 13px; color: var(--text-muted);
}
.empty-points li { padding: 10px 14px; background: var(--surface); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.empty-points strong { color: var(--text); }

/* --------------------------------------------------------------- loading */

.loading { padding: 60px 20px; text-align: center; color: var(--text-muted); }
.loading-steps { list-style: none; padding: 0; margin: 20px auto 0; max-width: 300px; text-align: left; font-size: 13.5px; display: grid; gap: 9px; }
.loading-steps li { display: flex; gap: 10px; align-items: center; opacity: .4; transition: opacity .3s; }
.loading-steps li.done, .loading-steps li.active { opacity: 1; }
.loading-steps li.done::before { content: '✓'; color: var(--accent); font-weight: 700; width: 14px; }
.loading-steps li.active::before { content: '·'; color: var(--accent); font-weight: 700; width: 14px; animation: pulse 1s infinite; }
.loading-steps li::before { content: '·'; color: var(--text-faint); width: 14px; }
@keyframes pulse { 50% { opacity: .3; } }

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

.results { display: grid; gap: 18px; min-width: 0; }

.site-summary { display: grid; gap: 16px; }
.summary-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.summary-place { font-size: 19px; font-weight: 650; }
.summary-coords { font-size: 12px; color: var(--text-faint); font-family: var(--mono); margin-top: 3px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.stat { background: var(--bg-raised); padding: 12px 14px; }
.stat-label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-faint); font-weight: 600; }
.stat-value { font-size: 17px; font-weight: 650; margin-top: 3px; font-variant-numeric: tabular-nums; }
.stat-value small { font-size: 11.5px; font-weight: 500; color: var(--text-muted); margin-left: 2px; }
.stat-sub { font-size: 11.5px; color: var(--text-faint); margin-top: 1px; }

/* notes / callouts */
.notes { display: grid; gap: 8px; }
.note {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13px; line-height: 1.5;
  padding: 10px 13px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--surface); color: var(--text-muted);
}
.note::before { flex: 0 0 auto; font-size: 13px; line-height: 1.45; }
.note-info::before  { content: 'ℹ'; color: var(--info); }
.note-warn  { background: var(--warn-bg);   border-color: color-mix(in srgb, var(--warn) 28%, transparent); }
.note-warn::before  { content: '▲'; color: var(--warn); font-size: 10px; }
.note-error { background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }
.note-error::before { content: '✕'; color: var(--danger); font-weight: 700; }

.callout { padding: 14px 16px; border-radius: var(--radius-sm); font-size: 13.5px; line-height: 1.55; border: 1px solid var(--border); background: var(--surface); }
.callout-warn { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.callout strong { color: var(--text); }

.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin: 6px 2px -4px; flex-wrap: wrap; }
.section-heading h2 { font-size: 15px; }
.section-heading p { font-size: 12.5px; color: var(--text-faint); }

/* -------------------------------------------------------- scenario table */

.scenario-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.scenario-table th, .scenario-table td { padding: 9px 12px; text-align: right; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
.scenario-table th { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-faint); font-weight: 600; }
.scenario-table th:first-child, .scenario-table td:first-child { text-align: left; }
.scenario-table tbody tr:last-child td { border-bottom: 0; }
.scenario-table .row-typical { background: var(--accent-glow); }
.table-wrap { overflow-x: auto; }

/* ---------------------------------------------------------- plant cards */

.plant-list { display: grid; gap: 12px; }

.plant-card {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; transition: border-color .15s;
}
.plant-card:hover { border-color: var(--border-strong); }
.plant-card.is-top { border-color: color-mix(in srgb, var(--accent) 45%, transparent); box-shadow: 0 0 0 1px var(--accent-glow), var(--shadow); }
.plant-card.is-poor { opacity: .72; }

.plant-head {
  display: grid; grid-template-columns: 40px minmax(0,1fr) auto; gap: 14px;
  align-items: center; padding: 16px 18px; cursor: pointer; user-select: none;
}
.plant-head:hover { background: color-mix(in srgb, var(--surface) 55%, transparent); }

.rank {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-muted);
}
.is-top .rank { background: var(--accent); border-color: var(--accent); color: #04170c; }

.plant-name { font-size: 15.5px; font-weight: 650; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.plant-sci { font-size: 12.5px; color: var(--text-faint); font-style: italic; margin-top: 1px; }

.pill {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  padding: 2px 7px; border-radius: 999px; white-space: nowrap;
}
.pill-extraction { background: var(--accent-glow); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent); }
.pill-stabilisation { background: var(--info-bg); color: var(--info); border: 1px solid color-mix(in srgb, var(--info) 32%, transparent); }
.pill-alert { background: var(--danger-bg); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 32%, transparent); }

.plant-headline { display: flex; align-items: center; gap: 18px; }
.headline-metric { text-align: right; }
.headline-metric .stat-label { font-size: 10px; }
.headline-metric .stat-value { font-size: 16px; }
.chevron { color: var(--text-faint); transition: transform .18s; font-size: 12px; }
.plant-card.is-open .chevron { transform: rotate(90deg); }

@media (max-width: 700px) {
  .plant-head { grid-template-columns: 34px minmax(0,1fr); }
  .plant-headline { grid-column: 1 / -1; justify-content: space-between; }
}

/* suitability bar */
.suit-bar { height: 4px; background: var(--surface); position: relative; overflow: hidden; }
.suit-fill { height: 100%; background: linear-gradient(90deg, var(--accent-deep), var(--accent)); transition: width .5s ease; }
.suit-fill.low { background: linear-gradient(90deg, #b45309, var(--warn)); }
.suit-fill.bad { background: linear-gradient(90deg, #991b1b, var(--danger)); }

/* detail */
.plant-detail { padding: 4px 18px 20px; border-top: 1px solid var(--border); display: grid; gap: 18px; }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.detail-block h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-faint); margin-bottom: 9px; padding-top: 14px; }

.kv { display: grid; gap: 5px; font-size: 13px; }
.kv-row { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; border-bottom: 1px dotted var(--border); }
.kv-row:last-child { border-bottom: 0; }
.kv-row dt { color: var(--text-muted); }
.kv-row dd { margin: 0; font-variant-numeric: tabular-nums; font-weight: 550; text-align: right; }

/* factor bars */
.factors { display: grid; gap: 7px; }
.factor { display: grid; grid-template-columns: 96px 1fr 38px; gap: 10px; align-items: center; font-size: 12.5px; }
.factor-name { color: var(--text-muted); }
.factor-track { height: 5px; background: var(--surface); border-radius: 3px; overflow: hidden; }
.factor-bar { height: 100%; background: var(--accent-dim); border-radius: 3px; }
.factor-bar.low { background: var(--warn); }
.factor-bar.bad { background: var(--danger); }
.factor-val { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-muted); }

.prose-note { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.prose-note + .prose-note { margin-top: 8px; }

/* trajectory sparkline */
.spark { width: 100%; height: 90px; display: block; }
.spark-caption { font-size: 11.5px; color: var(--text-faint); margin-top: 4px; text-align: center; }

/* ------------------------------------------------------- constants editor */

.editor-tabs { display: flex; flex-wrap: wrap; gap: 6px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.chip {
  appearance: none; cursor: pointer; font: inherit; font-size: 12.5px; font-weight: 550;
  padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--border); background: transparent; color: var(--text-muted); transition: .14s;
}
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip.is-active { background: var(--accent-glow); border-color: color-mix(in srgb, var(--accent) 45%, transparent); color: var(--accent); }

.editor-body { padding-top: 18px; }
.editor-group { margin-bottom: 26px; }
.editor-group > h3 { font-size: 13.5px; margin-bottom: 4px; }
.editor-group > p.hint { margin-bottom: 12px; margin-top: 2px; }

.param-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; }
.param {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 11px 13px;
}
.param.is-overridden { border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: var(--accent-glow); }
.param-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 7px; }
.param-key { font-family: var(--mono); font-size: 12px; color: var(--text); word-break: break-word; }
.param-default { font-size: 11px; color: var(--text-faint); white-space: nowrap; font-variant-numeric: tabular-nums; }
.param input, .param select { padding: 6px 9px; font-size: 13px; }
.param .hint { margin-top: 6px; font-size: 11.5px; }

.badge {
  font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  padding: 3px 8px; border-radius: 999px;
  background: var(--accent-glow); color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
}

.raw-editor { width: 100%; min-height: 460px; font-family: var(--mono); font-size: 12.5px; line-height: 1.55; resize: vertical; white-space: pre; overflow-wrap: normal; overflow-x: auto; }
.editor-status { font-size: 12.5px; margin-top: 10px; }
.editor-status.ok { color: var(--accent); }
.editor-status.err { color: var(--danger); }

.plant-editor-select { max-width: 380px; margin-bottom: 18px; }

details.raw-block { margin-top: 14px; }
details.raw-block > summary { cursor: pointer; font-size: 12.5px; color: var(--text-muted); padding: 6px 0; }
details.raw-block > summary:hover { color: var(--text); }

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

.prose h3 { font-size: 14.5px; margin: 26px 0 8px; }
.prose p, .prose ul { font-size: 13.8px; line-height: 1.65; color: var(--text-muted); margin-bottom: 10px; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 5px; }
.prose strong { color: var(--text); }
.prose .callout { margin: 16px 0 8px; }

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

.footer { border-top: 1px solid var(--border); padding: 22px 24px; text-align: center; }
.footer p { font-size: 12px; color: var(--text-faint); }

/* ---------------------------------------------------------------- motion */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ==========================================================================
   Provenance, gaps and the Method page
   ========================================================================== */

.rec {
  text-transform: none; letter-spacing: 0; font-weight: 500; font-size: 10.5px;
  padding: 1px 6px; border-radius: 999px;
  color: var(--warn); background: var(--warn-bg);
}

/* "no data" states -------------------------------------------------------- */
.na { color: var(--text-faint); font-weight: 500; font-size: .86em; }
.plant-card.is-nodata { opacity: .8; }
.pill-nodata {
  background: var(--surface); color: var(--text-muted);
  border: 1px solid var(--border-strong);
}
.factor-unknown {
  font-size: 11.5px; color: var(--text-faint); font-style: italic;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* a gap is a deliberate refusal to compute, not an error */
.note-gap {
  background: transparent;
  border: 1px dashed var(--border-strong);
  color: var(--text-muted);
}
.note-gap::before { content: '○'; color: var(--text-faint); }

/* inline source tags ------------------------------------------------------ */
.src {
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  color: var(--accent); background: var(--accent-glow);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  padding: 0 4px; border-radius: 4px; vertical-align: 1px; white-space: nowrap;
}

.null-list { display: flex; flex-wrap: wrap; gap: 6px; }
.null-list span {
  font-size: 12px; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 3px 8px;
}

/* Method page ------------------------------------------------------------- */
.prose .lede {
  font-size: 15px; line-height: 1.65; color: var(--text);
  margin: 10px 0 6px; max-width: 68ch;
}
.prose h4 {
  font-size: 13px; margin: 18px 0 6px; color: var(--text);
  text-transform: none; letter-spacing: 0;
}
.prose ol { padding-left: 20px; font-size: 13.8px; line-height: 1.65; color: var(--text-muted); margin-bottom: 10px; }
.prose ol li { margin-bottom: 7px; }
.prose > .table-wrap { margin: 12px 0 6px; }

pre.eq {
  font-family: var(--mono); font-size: 12.5px; line-height: 1.7;
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 12px 14px; margin: 12px 0;
  overflow-x: auto; color: var(--text);
}
pre.eq strong { color: var(--accent); }

.src-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.src-table th, .src-table td {
  padding: 9px 12px; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.src-table th {
  font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-faint); font-weight: 600;
}
.src-table td { color: var(--text-muted); }
.src-table td:first-child { white-space: nowrap; color: var(--text); }
.src-table tbody tr:last-child td { border-bottom: 0; }

/* per-species yield grid --------------------------------------------------- */
.yield-grid { display: grid; gap: 6px; }
.yield-row {
  display: grid; grid-template-columns: minmax(0,1fr) 84px auto;
  align-items: center; gap: 8px;
  margin: 0; padding: 0; text-transform: none; letter-spacing: 0;
  font-size: 13px; font-weight: 500; color: var(--text);
}
.yield-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.yield-row input { padding: 6px 9px; font-size: 13px; text-align: right; }
.yield-unit { font-family: var(--mono); font-size: 11.5px; color: var(--text-faint); }

/* depth ladder ------------------------------------------------------------- */
.depth-table th, .depth-table td { text-align: right; font-variant-numeric: tabular-nums; }
.depth-table th:first-child, .depth-table td:first-child { text-align: left; white-space: nowrap; }
.depth-current {
  background: var(--accent-glow);
  font-weight: 700; color: var(--text);
  box-shadow: inset 2px 0 0 var(--accent), inset -2px 0 0 var(--accent);
}
.depth-table thead th { text-align: right; }
.depth-mass td {
  border-top: 1px solid var(--border-strong);
  color: var(--text-faint); font-size: 12px;
}

/* ------------------------------------------- species blocked at this site */
/*
 *  A species the site rules out outright. Deliberately quiet — it sits below
 *  the ranking, styled as an aside rather than a result, so it reads as
 *  "not an option here" instead of "last place".
 */
details.not-viable {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}
details.not-viable > summary {
  cursor: pointer;
  font-size: 12.5px;
  color: var(--text-muted);
  padding: 2px 0;
}
details.not-viable > summary:hover { color: var(--text); }
details.not-viable ul {
  margin: 10px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 5px;
  font-size: 13px;
  color: var(--text-muted);
}
details.not-viable ul strong { color: var(--text); font-weight: 600; }
details.not-viable .prose-note { margin-top: 10px; }

/* --------------------------------------------------------------- contact */
.contact-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 18px 0 4px;
}
.contact-addr {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.contact-addr:hover { color: var(--text); }
/* .btn is authored for <button>; these are anchors. */
.contact-actions .btn { display: inline-block; text-decoration: none; }

/* Constants editor: plain-English parameter names, no identifiers shown. */
.param-subhead {
  font-size: 12.5px;
  color: var(--text-muted);
  font-weight: 600;
}
.param-readonly .param-list {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}