/* Terrain site. Shares the main PFL site's type and palette; the zone colours encode data and stay fixed. */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400 600; font-display: swap; src: url(/assets/fonts/IBMPlexSans-normal.woff2) format("woff2"); }
@font-face { font-family: "Newsreader"; font-style: normal; font-weight: 300 400; font-display: swap; src: url(/assets/fonts/Newsreader-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400 500; font-display: swap; src: url(/assets/fonts/IBMPlexMono-normal.woff2) format("woff2"); }
:root {
  --bg: #F3F5F6; --surface: #ffffff; --ink: #0F1A22; --muted: #56636D; --line: #D8DEE2;
  --accent: #1E46C8; --accent-soft: #E3E9FA; --warn: #8a4b12; --warn-soft: #fbefe1;
  --trough: #cfe6da; --mountainside: #f3e7c6; --barrier: #f2cdbd; --plateau: #d8dcf0; --edge: #e9e1ee;
  --curve: #1E3A8A; --band: rgba(30, 70, 200, 0.14); --grid: #E6EAED;
  --sub-capacity: #0072B2; --sub-redox: #D55E00; --sub-acid_base: #009E73; --sub-efficiency: var(--line);
  --font: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --display: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --radius: 10px;
  --shadow-1: 0 1px 2px rgb(15 26 34 / 0.04), 0 2px 10px rgb(15 26 34 / 0.05);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B1116; --surface: #111A21; --ink: #E4EAEE; --muted: #9AA6AF; --line: #22303A;
    --accent: #8BA8FF; --accent-soft: #18233F; --warn: #f0b47a; --warn-soft: #34261a;
    --trough: #234236; --mountainside: #3f3820; --barrier: #4a2d24; --plateau: #2b3050; --edge: #382e3e;
    --curve: #9DB5FF; --band: rgba(139, 168, 255, 0.2); --grid: #1D2A33;
    --sub-capacity: #3F9BDB; --sub-redox: #C47600; --sub-acid_base: #22A97F;
    --shadow-1: 0 1px 2px rgb(0 0 0 / 0.35), 0 2px 10px rgb(0 0 0 / 0.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B1116; --surface: #111A21; --ink: #E4EAEE; --muted: #9AA6AF; --line: #22303A;
  --accent: #8BA8FF; --accent-soft: #18233F; --warn: #f0b47a; --warn-soft: #34261a;
  --trough: #234236; --mountainside: #3f3820; --barrier: #4a2d24; --plateau: #2b3050; --edge: #382e3e;
  --curve: #9DB5FF; --band: rgba(139, 168, 255, 0.2); --grid: #1D2A33;
  --sub-capacity: #3F9BDB; --sub-redox: #C47600; --sub-acid_base: #22A97F;
  --shadow-1: 0 1px 2px rgb(0 0 0 / 0.35), 0 2px 10px rgb(0 0 0 / 0.25);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; overflow-x: clip; }
a { color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: 0.75rem; top: -4rem; z-index: 100; padding: 0.6rem 1rem; background: var(--accent); color: var(--bg); border-radius: 4px; text-decoration: none; font-weight: 500; }
.skip:focus { top: 0.75rem; outline-offset: 2px; }
.vh { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
main { scroll-margin-top: 7rem; }
::selection { background: var(--accent-soft); color: var(--ink); }

/* header: sticky, one scrollable row of pages on small screens */
header.site { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.2) blur(10px); -webkit-backdrop-filter: saturate(1.2) blur(10px); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }
header.site .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 22px; padding-top: 12px; padding-bottom: 0; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--display); font-size: 1.2rem; font-weight: 400; color: var(--ink); text-decoration: none; letter-spacing: -0.005em; }
.brand::before { content: ""; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
nav.main { order: 3; flex-basis: 100%; display: flex; gap: 2px; font-size: 14px; overflow-x: auto; scrollbar-width: none; margin: 0 -6px; padding: 0 0 2px; }
nav.main::-webkit-scrollbar { display: none; }
nav.main a { flex: none; color: var(--muted); text-decoration: none; padding: 8px 10px; border-bottom: 2px solid transparent; border-radius: 6px 6px 0 0; transition: color .15s, background .15s; }
nav.main a:hover { color: var(--ink); background: color-mix(in srgb, var(--accent-soft) 60%, transparent); }
nav.main a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }
header.site nav.sister { display: flex; gap: 1rem; font-size: .82rem; margin-left: auto; }
header.site nav.sister a { color: var(--muted); text-decoration: none; }
header.site nav.sister a:hover { color: var(--accent); }

/* type */
main { padding: clamp(28px, 5vw, 56px) 0 64px; }
h1 { font-family: var(--display); font-weight: 300; font-size: clamp(2rem, 1.4rem + 2.6vw, 3rem); line-height: 1.08; letter-spacing: -0.015em; margin: 0 0 14px; text-wrap: balance; }
h2 { font-family: var(--display); font-weight: 400; font-size: clamp(1.4rem, 1.2rem + 0.9vw, 1.75rem); line-height: 1.2; letter-spacing: -0.01em; margin: 44px 0 12px; text-wrap: balance; }
h3 { font-size: 17px; font-weight: 600; margin: 26px 0 8px; }
p, li { max-width: 68ch; }
.lede { font-size: clamp(17px, 1rem + 0.3vw, 19px); line-height: 1.55; color: var(--muted); }

/* callouts and cards */
.note { background: var(--accent-soft); border-left: 3px solid var(--accent); padding: 12px 16px; margin: 18px 0; border-radius: 0 var(--radius) var(--radius) 0; }
.caveat { background: var(--warn-soft); border-left: 3px solid var(--warn); padding: 12px 16px; margin: 18px 0; border-radius: 0 var(--radius) var(--radius) 0; }
.placeholder { border: 2px dashed var(--warn); color: var(--warn); padding: 10px 14px; border-radius: var(--radius); font-weight: 600; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(14px, 3vw, 22px); margin: 18px 0; box-shadow: var(--shadow-1); }

/* charts */
.chart svg { display: block; width: 100%; height: auto; }
.chart .axis text, .chart .lbl { fill: var(--muted); font: 13.5px var(--font); }
.chart .gridline { stroke: var(--grid); }
.chart .curve { fill: none; stroke: var(--curve); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .ci { fill: var(--band); stroke: none; }
.zone-trough { fill: var(--trough); } .zone-mountainside { fill: var(--mountainside); }
.zone-barrier_steep { fill: var(--barrier); } .zone-plateau { fill: var(--plateau); }
.zone-rise_to_edge { fill: var(--edge); }
.swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -1px; margin-right: 5px; border: 1px solid var(--line); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 14px; color: var(--muted); margin: 10px 0; }
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.seg { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.seg button { font: 500 14px/1.2 var(--font); padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink); cursor: pointer; }
.seg button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.chart .axis line { stroke: var(--muted); stroke-width: 1; }
.chart .axis .dir { fill: var(--muted); font-size: 12.5px; }
.mesh-ctl { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 6px; }
.mesh-ctl .hint { margin-left: auto; font-size: 14px; color: var(--muted); }
.chart svg.mesh { cursor: grab; touch-action: none; user-select: none; }
.chart svg.mesh.dragging { cursor: grabbing; }
.chart .mesh-top { fill: var(--surface); stroke: var(--ink); stroke-width: 1.5; }
.chart .mesh-lab { fill: var(--ink); font: 13px var(--font); }
.chart .row-name { fill: var(--ink); font: 13px var(--font); }
/* metabolic-fitness small multiples */
.multiples { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: 14px; margin: 18px 0; }
.mf-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; min-width: 0; }
.mf-panel h4 { margin: 0; font-size: 15px; font-weight: 600; }
.mf-panel .lbl-sub { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.mf-panel .pending { margin: 6px 0 0; }
.mf-empty { border-style: dashed; background: transparent; }

/* tables */
.tablewrap { overflow-x: auto; max-width: 100%; }
input[type=range] { min-height: 1.5rem; accent-color: var(--accent); }
input[type=checkbox] { width: 1.25rem; height: 1.25rem; vertical-align: -0.2em; accent-color: var(--accent); }
table { border-collapse: collapse; font-size: 14px; margin: 8px 0; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 12px 7px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 13px; letter-spacing: 0.03em; border-bottom-color: var(--ink); }
tbody tr:hover > td { background: color-mix(in srgb, var(--accent-soft) 55%, transparent); }
td.num { text-align: right; font-family: var(--mono); font-size: 14px; }

/* controls */
select, input[type=number], input[type=text] { font: inherit; padding: 7px 10px; max-width: 100%; background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 6px; transition: border-color .15s, box-shadow .15s; }
select:focus, input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
button { font: inherit; }
.controls { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; margin: 14px 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; font-size: 14px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; font-family: var(--mono); font-size: 14px; word-break: break-all; }

/* schematic */
.diagram svg { width: 100%; height: auto; display: block; }
.diagram .ground { stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 5 4; }
.diagram .terrain { fill: var(--accent-soft); stroke: var(--curve); stroke-width: 2.5; }
.diagram text { fill: var(--ink); font: 16px var(--font); }
.diagram .soft { fill: var(--muted); }
.diagram .arrow { stroke: var(--warn); stroke-width: 2; fill: none; }

/* footer */
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 26px 0 40px; background: color-mix(in srgb, var(--surface) 55%, var(--bg)); }
footer.site a { color: var(--muted); }
footer.site a:hover { color: var(--ink); }
.pending { color: var(--muted); font-style: italic; }
@media (max-width: 600px) {
  header.site nav.sister { margin-left: 0; order: 2; flex-basis: 100%; }
}
@media (min-width: 900px) { nav.main { flex-wrap: wrap; overflow: visible; } nav.main a { padding: 8px 8px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }

/* ---- harmonized with the main PFL site: top bar, mark, menu, sub-navigation, footer ---- */
:root { --radius-sm: 6px; --ease: cubic-bezier(0.2, 0.7, 0.2, 1); --wide: 72rem; }
.wrap { max-width: var(--wide); padding: 0 clamp(1rem, 4vw, 2.5rem); }
html { scroll-padding-top: 7rem; }
.bar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.2) blur(10px); -webkit-backdrop-filter: saturate(1.2) blur(10px); }
.bar .wrap { display: flex; align-items: center; gap: 1.5rem; min-height: 3.75rem; flex-wrap: wrap; }
.mark { display: flex; align-items: center; gap: 0.6rem; min-height: 2.75rem; text-decoration: none; color: var(--ink); }
.mark b { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--mono); font-weight: 500; font-size: 0.95rem; letter-spacing: 0.08em; }
.mark b::before { content: ""; width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.mark span { font-size: 0.875rem; color: var(--muted); }
.menu-btn { display: none; margin-left: auto; font: inherit; font-size: 0.8125rem; background: none; border: 1px solid var(--line); color: var(--ink);
  padding: 0.45rem 0.85rem; min-height: 2.75rem; border-radius: var(--radius-sm); cursor: pointer; }
nav.primary { margin-left: auto; }
nav.primary ul { display: flex; gap: 0.25rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
nav.primary a { display: block; padding: 0.4rem 0.65rem; font-size: 0.875rem; color: var(--muted); text-decoration: none; border-radius: var(--radius-sm);
  transition: color 0.15s var(--ease), background 0.15s var(--ease); }
nav.primary a:hover { color: var(--ink); background: color-mix(in srgb, var(--accent-soft) 60%, transparent); }
nav.primary a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.bar .wrap.subnav { min-height: 0; gap: 0 1rem; flex-wrap: nowrap; border-top: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
.subnav-title { display: none; }
.subnav nav.main { order: 0; flex: 1 1 auto; flex-basis: auto; margin: 0; min-width: 0;
  -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent); mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent); }
.subnav nav.main a { min-height: 2.75rem; display: inline-flex; align-items: center; padding-inline: 6px; white-space: nowrap; }
@keyframes pfl-drop { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@media (max-width: 54rem) {
  .menu-btn { display: inline-block; }
  nav.primary { flex-basis: 100%; margin-left: 0; display: none; padding-bottom: 0.75rem; }
  nav.primary.open { display: block; animation: pfl-drop 0.18s var(--ease); }
  nav.primary ul { flex-direction: column; gap: 0; }
  nav.primary a { padding: 0.75rem 0.25rem; font-size: 1rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  nav.primary li:last-child a { border-bottom: 0; }
  nav.primary a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--accent); padding-left: 0.75rem; }
}
@media (max-width: 30rem) { .mark span { display: none; } .subnav-title { display: none; } }
@media (min-width: 900px) { .subnav nav.main { flex-wrap: nowrap; overflow-x: auto; } }

footer.site { padding: 2rem 0 3rem; background: none; font-size: 0.875rem; }
footer.site nav.foot-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
footer.site nav.foot-links a { text-decoration: none; padding: 0.35rem 0; }
footer.site nav.foot-links a:hover { color: var(--ink); text-decoration: underline; }
footer.site .foot-note { margin: 1.25rem 0 0; max-width: 40rem; }
footer.site .disclaimer { margin: 0.75rem 0 0; max-width: 40rem; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; justify-content: space-between; }
footer.site .foot-about { max-width: 26rem; }
footer.site .foot-about p { margin: 0.4rem 0 0; }
footer.site .foot-name { color: var(--ink); font-weight: 600; }
footer.site nav.foot-groups { display: grid; grid-template-columns: repeat(3, minmax(0, auto)); gap: 1rem 2.5rem; align-content: start; }
footer.site nav.foot-groups > div { display: grid; gap: 0.4rem; align-content: start; }
footer.site nav.foot-groups h2 { font-family: var(--font); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); margin: 0 0 0.2rem; }
footer.site nav.foot-groups a { text-decoration: none; padding: 0.15rem 0; }
footer.site nav.foot-groups a:hover { color: var(--ink); text-decoration: underline; }
@media (max-width: 34rem) {
  footer.site nav.foot-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  footer.site nav.foot-groups a { padding: 0.35rem 0; }
}

/* phones: form controls at 16px so iOS does not zoom on focus; tables scroll inside their card */
@media (max-width: 600px) {
  select, input[type=number], input[type=text] { font-size: 16px; min-height: 2.75rem; }
  .card { padding: 14px; }
  .kv { grid-template-columns: 1fr; gap: 0 0; } .kv dd { margin-bottom: 6px; }
  .diagram text { font-size: 20.5px; }
}

/* header: every page, grouped; each group collapses (details/summary) */
nav.primary .navgrp { position: relative; }
nav.primary .navgrp > summary { list-style: none; cursor: pointer; display: block; padding: 0.4rem 0.65rem; font-size: 0.8125rem; color: var(--muted); border-radius: var(--radius-sm); white-space: nowrap; }
nav.primary .navgrp > summary::-webkit-details-marker { display: none; }
nav.primary .navgrp > summary::after { content: ""; display: inline-block; margin-left: 0.4em; vertical-align: 0.15em; border: 0.28em solid transparent; border-top-color: currentColor; border-bottom-width: 0; }
nav.primary .navgrp[open] > summary::after { border-top-width: 0; border-bottom-width: 0.28em; border-bottom-color: currentColor; border-top-color: transparent; }
nav.primary .navgrp > summary:hover, nav.primary .navgrp[open] > summary { color: var(--ink); background: color-mix(in srgb, var(--accent-soft) 60%, transparent); }
nav.primary .navgrp:has(a[aria-current="page"]) > summary { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
nav.primary .navgrp > ul { display: block; position: absolute; top: calc(100% + 0.35rem); left: 0; z-index: 60; min-width: 13.5rem; margin: 0; padding: 0.35rem; list-style: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12); }
nav.primary li:last-child .navgrp > ul { left: auto; right: 0; }
nav.primary .navgrp > ul a { white-space: nowrap; }
@media (max-width: 54rem) {
  nav.primary ul.navgroups { flex-direction: column; gap: 0; }
  nav.primary .navgrp > summary { padding: 0.75rem 0.25rem; font-size: 1rem; border-bottom: 1px solid var(--line); border-radius: 0; background: none; }
  nav.primary .navgrp[open] > summary { background: none; }
  nav.primary .navgrp > ul { position: static; min-width: 0; padding: 0 0 0.25rem 0.85rem; border: 0; box-shadow: none; background: none; }
  nav.primary .navgrp:has(a[aria-current="page"]) > summary { box-shadow: inset 3px 0 0 var(--accent); padding-left: 0.75rem; }
}

/* mountainside: linked panels, model tags, legend keys that do not rely on colour */
.duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 22px; }
.duo > .card { margin: 18px 0; }
@media (max-width: 700px) { .duo { grid-template-columns: minmax(0, 1fr); } }
.tag-model { display: inline-block; font: 600 12px/1.6 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--warn);
  border: 1px dashed var(--warn); border-radius: 4px; padding: 0 6px; margin-right: 6px; font-style: normal; }
.btn-sm { background: var(--accent); color: var(--surface); border: 1px solid var(--accent); border-radius: 6px; padding: 7px 14px; min-height: 2.75rem; cursor: pointer; }
.btn-sm:hover { filter: brightness(1.08); }
.controls output { font-family: var(--mono); font-size: 14px; color: var(--muted); min-width: 9ch; }
.controls input[type=range] { accent-color: var(--accent); min-width: 140px; flex: 1 1 140px; max-width: 260px; }
fieldset.controls { border: 0; padding: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.chart .ball { fill: var(--curve); stroke: var(--surface); stroke-width: 2; }
.chart .ball.tipped { fill: var(--warn); }
.chart .ball-lbl, .chart .warn-lbl { fill: var(--warn); font: 600 12px var(--font); }
.key { display: inline-block; width: 13px; height: 13px; margin-right: 6px; vertical-align: -2px; background: var(--c); }
.key-circle { border-radius: 50%; }
.key-diamond { transform: rotate(45deg) scale(0.8); }
.key-triangle { clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.key-arrow { width: 24px; height: 0; background: none; border-top: 2px solid var(--c); vertical-align: 4px; }
.key-arrow.key-dash { border-top-style: dashed; }
.key-line { width: 24px; height: 0; background: none; border-top: 2px solid var(--c); vertical-align: 4px; }
.key-line.key-dash { border-top-style: dashed; }
.summary-box { border-left: 4px solid var(--curve); }
.summary-box .summary-h { margin-top: 0; font-size: 1.15rem; }
.summary-box ul { margin: 0.4rem 0 0.6rem; padding-left: 1.2rem; }
.summary-box li { margin: 0.25rem 0; }
p.prov { font-size: 0.82rem; color: var(--muted); margin: 0.5rem 0 0; }
ol.ladder { list-style: none; padding: 0; counter-reset: rung; }
ol.ladder > li { counter-increment: rung; max-width: none; }
ol.ladder > li h3 { margin-top: 0; }
ol.ladder > li h3::before { content: counter(rung) ". "; color: var(--muted); }
ol.ladder .chart { max-width: 560px; }
ol.ladder h4 { font-size: 14px; font-weight: 600; margin: 12px 0 4px; color: var(--muted); }