/* learn.css — the trust pages (/about, /methodology, /sources) and the water
   explainers (/learn/*), in both languages. Reading pages: one column, a
   comfortable measure, the shared tokens from bm-shared.css. */

.ln-wrap{max-width:46rem;margin:0 auto;
  padding:1.75rem max(var(--page-pad), env(safe-area-inset-right)) 3rem max(var(--page-pad), env(safe-area-inset-left))}
@media(width < 640px){.ln-wrap{padding:1.25rem max(var(--sp-4), env(safe-area-inset-right)) 2.5rem max(var(--sp-4), env(safe-area-inset-left))}}

/* Breadcrumb + language pair */
.ln-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-2) var(--sp-4);
  font-size:var(--fs-sm);color:var(--ink-3);margin-bottom:var(--sp-4)}
.ln-crumbs{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.ln-crumbs li+li::before{content:"›";margin-right:6px;color:var(--ink-3)}
.ln-crumbs a{color:var(--ink-2);text-decoration:underline;text-underline-offset:2px}
.ln-lang{color:var(--water);text-decoration:underline;text-underline-offset:2px;font-weight:500}

/* Title block */
.ln-wrap h1{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,1.4rem + 2.4vw,var(--fs-d2));
  line-height:1.08;letter-spacing:-.01em;margin:0 0 var(--sp-3);color:var(--ink);overflow-wrap:break-word}
.ln-lede{font-size:var(--fs-lg);line-height:1.55;color:var(--ink-2);margin:0 0 var(--sp-3)}
.ln-meta{font-size:var(--fs-sm);color:var(--ink-3);margin:0 0 var(--sp-5)}

/* Body copy */
.ln-body{font-size:var(--fs-md);line-height:1.65;color:var(--ink)}
.ln-body h2{font-family:var(--serif);font-weight:400;font-size:var(--fs-xl);line-height:1.2;
  margin:2rem 0 .6rem;color:var(--ink)}
.ln-body h3{font-size:var(--fs-md);font-weight:600;margin:1.25rem 0 .4rem}
.ln-body p{margin:0 0 .9rem}
.ln-body ul,.ln-body ol{margin:0 0 1rem 1.25rem}
.ln-body li{margin:0 0 .4rem}
.ln-body a{color:var(--water);text-decoration:underline;text-underline-offset:2px}
.ln-body strong{font-weight:600}
.ln-body abbr{text-decoration:none;border-bottom:1px dotted var(--ink-3)}
.ln-body code{font-family:var(--mono);font-size:.92em;background:var(--bg-elev-2);padding:1px 5px;border-radius:var(--r-sm);overflow-wrap:anywhere}
.ln-body blockquote{margin:0 0 1rem;padding:.6rem 1rem;border-left:3px solid var(--water);background:var(--bg-elev-2);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2)}
.ln-note{font-size:var(--fs-sm);color:var(--ink-2);background:var(--bg-elev-2);border:1px solid var(--line);
  border-radius:var(--r-md);padding:var(--sp-3) var(--sp-4);margin:0 0 1rem}

/* Tables (units, divisions): scroll inside their own box on a phone */
.ln-table-wrap{overflow-x:auto;margin:0 0 1rem;border:1px solid var(--line);border-radius:var(--r-md)}
.ln-body table{border-collapse:collapse;width:100%;font-size:var(--fs-sm)}
.ln-body th,.ln-body td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.ln-body th{font-weight:600;color:var(--ink-2);background:var(--bg-elev-2)}
.ln-body tr:last-child td{border-bottom:0}

/* The live box: today's figure from /pages/snapshot */
.learn-live{margin:0 0 var(--sp-5);padding:var(--sp-3) var(--sp-4);border:1px solid var(--line);
  border-left:3px solid var(--water);border-radius:var(--r-md);background:var(--bg-elev);
  font-size:var(--fs-sm);line-height:1.55;color:var(--ink-2);min-height:3.2em}
.learn-live .ll-k{display:block;font-family:var(--mono);font-size:var(--fs-xs);letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-3);margin-bottom:2px}
.learn-live .ll-v{color:var(--ink)}
.learn-live .ll-v strong{font-weight:600}
.learn-live .ll-src{display:block;margin-top:4px;font-size:var(--fs-xs);color:var(--ink-3)}
.learn-live a{color:var(--water);text-decoration:underline;text-underline-offset:2px}
.learn-live.ll-off{border-left-color:var(--ink-4)}

/* Ask BasinMind about this */
.ln-ask{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3);margin:2rem 0 0;padding:var(--sp-4);
  border:1px solid var(--line);border-radius:var(--r-lg);background:var(--bg-elev)}
.ln-ask p{margin:0;flex:1 1 16rem;color:var(--ink-2);font-size:var(--fs-sm)}
.ln-ask a{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--water);color:var(--bg);font-weight:600;font-size:var(--fs-sm);text-decoration:none}
html[data-bm-theme="day"] .ln-ask a{color:#fff}
.ln-ask a:focus-visible{outline:2px solid var(--water);outline-offset:3px}

/* Explainer index: cards */
.ln-cards{list-style:none;margin:0 0 1rem;padding:0;display:grid;gap:var(--sp-3);
  grid-template-columns:repeat(auto-fill,minmax(min(100%,17rem),1fr))}
.ln-cards li{margin:0}
.ln-cards a{display:block;height:100%;padding:var(--sp-4);border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--bg-elev);text-decoration:none;color:var(--ink)}
.ln-cards a:hover,.ln-cards a:focus-visible{border-color:var(--water)}
.ln-cards .lc-t{display:block;font-weight:600;margin-bottom:4px;color:var(--water)}
.ln-cards .lc-d{display:block;font-size:var(--fs-sm);color:var(--ink-2);line-height:1.5}

/* Sources list at the foot of every page */
.ln-sources{margin-top:2.25rem;padding-top:var(--sp-4);border-top:1px solid var(--line)}
.ln-sources h2{font-family:var(--font);font-size:var(--fs-sm);font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-3);margin:0 0 .6rem}
.ln-sources ol{margin:0 0 0 1.25rem;font-size:var(--fs-sm);color:var(--ink-2)}
.ln-sources li{margin:0 0 .35rem;overflow-wrap:anywhere}
.ln-sources a{color:var(--water);text-decoration:underline;text-underline-offset:2px}

/* Related links */
.ln-related{margin-top:1.5rem;font-size:var(--fs-sm);color:var(--ink-2)}
.ln-related a{color:var(--water);text-decoration:underline;text-underline-offset:2px}
/* A second figure in the same box (summary: flow, then calls) starts its own line. */
.learn-live .ll-src + .ll-v{display:block;margin-top:6px}
/* Statute citations (C.R.S. 37-66-101) never break at their hyphens. */
.ln-nw{white-space:nowrap}

/* Basin and calls pages (/basin/<slug>, /calls/<slug>; apps/worker/src/hubs.py).
   A little wider than an explainer: they carry tables and a row of figures. */
.ln-wrap.hb-wrap{max-width:54rem}
.hb-stats{display:grid;gap:var(--sp-3);margin:0 0 var(--sp-3);
  grid-template-columns:repeat(auto-fill,minmax(min(100%,15rem),1fr))}
.hb-stat{display:flex;flex-direction:column;min-width:0;padding:var(--sp-3) var(--sp-4);border:1px solid var(--line);
  border-left:3px solid var(--water);border-radius:var(--r-md);background:var(--bg-elev)}
.hb-stat .hb-k{font-family:var(--mono);font-size:var(--fs-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.hb-stat .hb-v{font-family:var(--serif);font-size:var(--fs-xl);line-height:1.2;color:var(--ink);margin:2px 0 4px}
.hb-stat .hb-d{font-size:var(--fs-sm);line-height:1.5;color:var(--ink-2);overflow-wrap:anywhere}
.hb-stat .hb-s{display:block;margin-top:auto;padding-top:6px;font-size:var(--fs-xs);color:var(--ink-3)}
.hb-stat .hb-old{margin-top:0;padding-top:2px;color:var(--ink-2);font-weight:600}
.hb-stat.hb-stale{border-left-color:var(--dry)}
.hb-stat a,.hb-src a{color:var(--water);text-decoration:underline;text-underline-offset:2px}
.hb-missing{font-size:var(--fs-sm);color:var(--ink-3);margin:0 0 var(--sp-5)}
.hb-src{font-size:var(--fs-sm);color:var(--ink-2)}
/* Tables keep their columns and scroll inside .ln-table-wrap on a phone. */
.ln-body .hb-table{min-width:34rem}
.ln-body .hb-table th.num,.ln-body .hb-table td.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.ln-body .hb-table td:nth-child(n+2){white-space:nowrap}
.ln-body .hb-calls td:first-child{min-width:12rem;white-space:normal}
/* The county drought tables are three or four short columns: they fit a 320-pixel phone without scrolling. */
.ln-body .hb-drought{min-width:0}
.ln-body .hb-drought td:not(.num){white-space:normal}
.hb-wdid{display:block;font-family:var(--mono);font-size:var(--fs-xs);color:var(--ink-3)}
.hb-tag{display:inline-block;margin-left:4px;padding:0 6px;border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:var(--fs-xs);color:var(--ink-2);background:var(--bg-elev-2);white-space:nowrap}
.ln-table-wrap:focus-visible{outline:2px solid var(--water);outline-offset:2px}
.ln-body .hb-list{list-style:none;margin:0 0 1rem;padding:0;display:grid;gap:2px var(--sp-4);
  grid-template-columns:repeat(auto-fill,minmax(min(100%,15rem),1fr))}
.ln-body .hb-list li{margin:0}
@media (pointer:coarse){.ln-body .hb-list a{display:inline-flex;align-items:center;min-height:44px}}
.hb-dim{color:var(--ink-3);font-size:var(--fs-sm)}
.ln-body .hb-districts{list-style:none;margin:0 0 1rem;padding:0;columns:2 15rem;column-gap:var(--sp-5);font-size:var(--fs-sm);color:var(--ink-2)}
.ln-body .hb-districts li{break-inside:avoid;margin:0 0 2px}
.hb-dn{display:inline-block;min-width:2ch;font-family:var(--mono);color:var(--ink-3);margin-right:6px}
/* "All stream gauges in the basin" (release 3a): every gauge page, by river, collapsed. */
.ln-body .hb-all{margin:0 0 1.25rem;border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg-elev)}
.ln-body .hb-all>summary{cursor:pointer;padding:var(--sp-3) var(--sp-4);font-weight:600;color:var(--water);
  min-height:44px;box-sizing:border-box;display:flex;align-items:center;gap:8px;list-style:none}
.ln-body .hb-all>summary::-webkit-details-marker{display:none}
.ln-body .hb-all>summary::before{content:"";width:.5em;height:.5em;flex:none;border:solid currentColor;
  border-width:0 2px 2px 0;transform:rotate(-45deg);transition:transform .15s}
.ln-body .hb-all[open]>summary::before{transform:rotate(45deg)}
.ln-body .hb-all>summary:focus-visible{outline:2px solid var(--water);outline-offset:2px}
.ln-body .hb-rivers{margin:0;padding:0 var(--sp-4) var(--sp-3);font-size:var(--fs-sm);line-height:1.6}
.ln-body .hb-rivers dt{margin:var(--sp-3) 0 2px;font-weight:600;color:var(--ink)}
.ln-body .hb-rivers dd{margin:0;color:var(--ink-3);overflow-wrap:anywhere}
.ln-body .hb-rivers a{color:var(--water)}
@media (pointer:coarse){.ln-body .hb-rivers dd{line-height:2.2}}
@media (prefers-reduced-motion:reduce){.ln-body .hb-all>summary::before{transition:none}}
/* Snowpack pages (/snowpack/<slug>; hubs_snow.py): station names wrap, figures do not. */
.ln-body .hb-snow td:first-child{white-space:normal;min-width:9rem}