/* ===========================================================================
   Connector — control surface stylesheet
   Hand-written. No framework, no build step, no remote assets.
   Palette derived from the repository's own DESIGN.md.
   =========================================================================== */

/* --- tokens ------------------------------------------------------------- */

:root {
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "DejaVu Sans Mono", "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif;

  --rail-w: 258px;

  /* light instrument theme (paper / lab bench) */
  --bg: #eceee9;
  --bg-2: #e2e5df;
  --panel: #f9faf7;
  --panel-2: #f1f3ee;
  --panel-3: #e6e9e2;
  --line: #c8cec4;
  --line-soft: #d9ded4;
  --line-hard: #a9b2a5;

  --text: #16201a;
  --text-2: #3d4a41;
  --muted: #5d6a60;
  --dim: #77836f;

  --ok: #0a6d43;
  --ok-bg: #d8ecdf;
  --info: #0f5d78;
  --info-bg: #d6e8ee;
  --warn: #7a4c00;
  --warn-bg: #f2e6cd;
  --bad: #97231f;
  --bad-bg: #f3dcda;
  --idle: #6b7669;

  --accent: #0a6d43;
  --accent-soft: #cfe6d8;

  --tex-op: 0.10;
  --tex-blend: multiply;
  --shadow: 0 1px 0 rgba(20, 30, 22, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #050608;
    --bg-2: #081015;
    --panel: #0d1418;
    --panel-2: #11191d;
    --panel-3: #0a1013;
    --line: #22352e;
    --line-soft: #1a2823;
    --line-hard: #2e7757;

    --text: #f3f6f1;
    --text-2: #cfdcd3;
    --muted: #a1b5aa;
    --dim: #7b8d84;

    --ok: #42e59a;
    --ok-bg: #0d2a1e;
    --info: #6cd9ff;
    --info-bg: #0a2530;
    --warn: #ffd58c;
    --warn-bg: #2b220f;
    --bad: #ff7c7c;
    --bad-bg: #2c1414;
    --idle: #617269;

    --accent: #42e59a;
    --accent-soft: #cbf6dc;

    --tex-op: 0.5;
    --tex-blend: screen;
    --shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
  }
}

/* --- reset-ish ---------------------------------------------------------- */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.62;
  font-synthesis-weight: none;
}

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

a {
  color: inherit;
}

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

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 60;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line-hard);
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 12px;
}

.skip:focus {
  left: 8px;
  top: 8px;
}

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

.shell {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  min-height: 100vh;
}

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

.rail {
  grid-column: 1;
  border-right: 1px solid var(--line);
  background: var(--panel-3);
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
}

.rail__mast {
  position: relative;
  padding: 18px 16px 16px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
}

.rail__mast::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("panel.png");
  background-size: cover;
  background-position: 12% 40%;
  opacity: var(--tex-op);
  mix-blend-mode: var(--tex-blend);
  z-index: -1;
  pointer-events: none;
}

.rail__wordmark {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--text);
  margin: 0;
}

.rail__wordmark a {
  text-decoration: none;
  color: inherit;
}

.rail__sub {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--dim);
  text-transform: uppercase;
}

.rail__group {
  padding: 14px 0 6px;
}

.rail__grouplabel {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--dim);
  padding: 0 16px 8px;
  text-transform: uppercase;
}

.rail__nav {
  display: flex;
  flex-direction: column;
}

.rail__link {
  display: grid;
  grid-template-columns: 8px 22px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  text-decoration: none;
  color: var(--text-2);
  border-left: 2px solid transparent;
  font-size: 12.5px;
  letter-spacing: 0.03em;
}

.rail__link:hover {
  background: var(--panel-2);
  color: var(--text);
}

.rail__link[aria-current="page"] {
  background: var(--panel);
  color: var(--text);
  border-left-color: var(--accent);
  font-weight: 600;
}

.rail__num {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--dim);
  letter-spacing: 0.06em;
}

.rail__link[aria-current="page"] .rail__num {
  color: var(--accent);
}

.rail__foot {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding: 12px 16px 20px;
  font-family: var(--mono);
  font-size: 9.5px;
  line-height: 1.9;
  color: var(--dim);
  letter-spacing: 0.05em;
}

.rail__foot b {
  color: var(--muted);
  font-weight: 600;
}

.rail__foot .lamp {
  vertical-align: -1px;
}

/* --- stage -------------------------------------------------------------- */

.stage {
  grid-column: 2;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.stagebar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 18px;
  padding: 9px 22px;
  background: var(--panel-3);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.13em;
  color: var(--dim);
  text-transform: uppercase;
}

.stagebar b {
  color: var(--text);
  font-weight: 700;
}

.stagebar .sep {
  color: var(--line-hard);
}

.stagebar__spacer {
  flex: 1 1 40px;
}

.stagebody {
  padding: 22px;
  max-width: 1500px;
  width: 100%;
}

/* --- panels ------------------------------------------------------------- */

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: start;
}

.c12 { grid-column: span 12; }
.c8  { grid-column: span 8; }
.c7  { grid-column: span 7; }
.c6  { grid-column: span 6; }
.c5  { grid-column: span 5; }
.c4  { grid-column: span 4; }
.c3  { grid-column: span 3; }

.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  min-width: 0;
}

.panel--sunk {
  background: var(--panel-3);
}

.panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}

.panel__id {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--dim);
  flex: 0 0 auto;
}

.panel__title {
  margin: 0;
  font-size: 11.5px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  flex: 1 1 auto;
  min-width: 0;
}

.panel__meta {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--dim);
  text-align: right;
}

.panel__body {
  padding: 16px 18px 18px;
}

.panel__body > :first-child { margin-top: 0; }
.panel__body > :last-child  { margin-bottom: 0; }

/* --- typography --------------------------------------------------------- */

h1, h2, h3, h4 {
  color: var(--text);
  line-height: 1.25;
  font-weight: 700;
}

h1 {
  font-size: 30px;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
}

h2 {
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 30px 0 10px;
}

h3 {
  font-size: 15px;
  margin: 22px 0 8px;
}

h4 {
  font-size: 11px;
  font-family: var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 20px 0 8px;
  font-weight: 700;
}

p {
  margin: 0 0 13px;
  color: var(--text-2);
  max-width: 74ch;
}

.lede {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  max-width: 78ch;
}

ul, ol {
  margin: 0 0 13px;
  padding-left: 20px;
  color: var(--text-2);
  max-width: 74ch;
}

li {
  margin-bottom: 5px;
}

li::marker {
  color: var(--dim);
}

strong {
  color: var(--text);
  font-weight: 650;
}

code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: var(--panel-3);
  border: 1px solid var(--line-soft);
  padding: 0.08em 0.34em;
  border-radius: 2px;
  color: var(--text);
  word-break: break-word;
}

.panel--sunk code {
  background: var(--panel);
}

a.ref,
p a, li a, td a {
  color: var(--accent);
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
  text-underline-offset: 2px;
}

/* --- status lamps ------------------------------------------------------- */

.lamp {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--idle);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--idle) 22%, transparent);
  flex: 0 0 auto;
}

.lamp--ok   { background: var(--ok);   box-shadow: 0 0 0 2px color-mix(in srgb, var(--ok) 22%, transparent); }
.lamp--info { background: var(--info); box-shadow: 0 0 0 2px color-mix(in srgb, var(--info) 22%, transparent); }
.lamp--warn { background: var(--warn); box-shadow: 0 0 0 2px color-mix(in srgb, var(--warn) 22%, transparent); }
.lamp--bad  { background: var(--bad);  box-shadow: 0 0 0 2px color-mix(in srgb, var(--bad) 22%, transparent); }

/* --- readout rows ------------------------------------------------------- */

.readouts {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line-soft);
}

.readout {
  display: grid;
  grid-template-columns: 9px 118px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
}

.readout .lamp {
  align-self: center;
}

.readout__k {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}

.readout__v {
  color: var(--text-2);
  min-width: 0;
}

.readout__v b {
  color: var(--text);
}

/* --- stat blocks -------------------------------------------------------- */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.stat {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 14px 13px;
  background: var(--panel);
}

.stat__n {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.1;
  display: block;
}

.stat__n small {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0;
}

.stat__k {
  display: block;
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dim);
}

.stat__src {
  display: block;
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--muted);
  word-break: break-all;
}

/* --- tags --------------------------------------------------------------- */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.tag {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--line);
  background: var(--panel-3);
  color: var(--muted);
  white-space: nowrap;
}

.tag--ok   { color: var(--ok);   border-color: color-mix(in srgb, var(--ok) 40%, var(--line));   background: var(--ok-bg); }
.tag--info { color: var(--info); border-color: color-mix(in srgb, var(--info) 40%, var(--line)); background: var(--info-bg); }
.tag--warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); background: var(--warn-bg); }
.tag--bad  { color: var(--bad);  border-color: color-mix(in srgb, var(--bad) 40%, var(--line));  background: var(--bad-bg); }

/* --- callouts ----------------------------------------------------------- */

.callout {
  border: 1px solid var(--line);
  border-left: 3px solid var(--idle);
  background: var(--panel-3);
  padding: 12px 15px;
  margin: 16px 0;
}

.callout__k {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 5px;
}

.callout p:last-child { margin-bottom: 0; }

.callout--ok   { border-left-color: var(--ok); }
.callout--info { border-left-color: var(--info); }
.callout--warn { border-left-color: var(--warn); }
.callout--bad  { border-left-color: var(--bad); }

.callout--ok   .callout__k { color: var(--ok); }
.callout--info .callout__k { color: var(--info); }
.callout--warn .callout__k { color: var(--warn); }
.callout--bad  .callout__k { color: var(--bad); }

/* --- pull quote --------------------------------------------------------- */

.pull {
  margin: 20px 0;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--accent);
}

.pull p {
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
  font-weight: 500;
  margin: 0 0 8px;
  max-width: 62ch;
}

.pull footer {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}

/* --- tables ------------------------------------------------------------- */

.tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  margin: 16px 0;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 520px;
  font-size: 13px;
}

caption {
  caption-side: bottom;
  text-align: left;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--dim);
  border-top: 1px solid var(--line-soft);
  background: var(--panel-3);
}

th, td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  color: var(--text-2);
}

thead th {
  background: var(--panel-2);
  color: var(--text);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

tbody tr:last-child td { border-bottom: none; }

tbody th {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
}

td code, th code {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 12px;
}

/* --- terminal ----------------------------------------------------------- */

.term {
  border: 1px solid var(--line-hard);
  background: #0a0f11;
  margin: 16px 0;
  overflow: hidden;
}

.term__chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  background: #131a1c;
  border-bottom: 1px solid #223029;
}

.term__dots {
  display: flex;
  gap: 5px;
}

.term__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2c3a34;
}

.term__dot:nth-child(1) { background: #b8564f; }
.term__dot:nth-child(2) { background: #b89a4f; }
.term__dot:nth-child(3) { background: #4f9b6d; }

.term__name {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #7f8f86;
  text-transform: uppercase;
  margin-left: 4px;
}

.term__body {
  margin: 0;
  padding: 13px 14px 15px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.62;
  color: #cfe0d6;
  white-space: pre;
  tab-size: 2;
}

.term__body b { font-weight: inherit; }

.p  { color: #42e59a; }          /* prompt */
.cm { color: #f3f6f1; }          /* command */
.fl { color: #6cd9ff; }          /* flag */
.st { color: #cfe0d6; }          /* string / plain output */
.ky { color: #9fb3a8; }          /* json key */
.nu { color: #ffd58c; }          /* number / literal */
.ok { color: #42e59a; }
.er { color: #ff7c7c; }
.dimc { color: #6c7d74; }

/* --- annotated code ----------------------------------------------------- */

.code {
  border: 1px solid var(--line);
  background: var(--panel-3);
  margin: 16px 0;
  overflow: hidden;
}

.code__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 7px 12px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.code__head b {
  color: var(--text);
  font-weight: 600;
}

.code__body {
  margin: 0;
  padding: 11px 0 12px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-2);
  white-space: pre;
}

.code__body .ln {
  display: inline-block;
  width: 46px;
  padding-right: 12px;
  text-align: right;
  color: var(--dim);
  user-select: none;
}

.code__note {
  border-top: 1px solid var(--line);
  padding: 8px 12px;
  font-size: 12px;
  color: var(--muted);
  background: var(--panel-2);
}

.kw { color: var(--info); }
.str { color: var(--ok); }
.cmt { color: var(--dim); font-style: italic; }

/* --- figures / svg ------------------------------------------------------ */

.figure {
  margin: 20px 0;
  border: 1px solid var(--line);
  background: var(--panel-3);
}

.figure__frame {
  padding: 14px 12px 6px;
  overflow-x: auto;
}

.figure svg {
  display: block;
  width: 100%;
  height: auto;
  min-width: 640px;
}

/* dense interface reconstructions need more room before they stop being legible */
.figure--wide svg {
  min-width: 940px;
}

.figure figcaption {
  border-top: 1px solid var(--line);
  padding: 9px 14px 11px;
  font-size: 12.5px;
  color: var(--muted);
  background: var(--panel-2);
}

.figure figcaption b {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  display: block;
  margin-bottom: 3px;
  font-weight: 700;
}

/* svg theming hooks */
.s-plate  { fill: var(--panel); stroke: var(--line); stroke-width: 1; }
.s-plate2 { fill: var(--panel-2); stroke: var(--line); stroke-width: 1; }
.s-well   { fill: var(--panel-3); stroke: var(--line-soft); stroke-width: 1; }
.s-outline { fill: none; stroke: var(--line); stroke-width: 1; }
.s-hair   { stroke: var(--line); stroke-width: 1; fill: none; }
.s-wire   { stroke: var(--line-hard); stroke-width: 1.25; fill: none; }
.s-wire-ok   { stroke: var(--ok); stroke-width: 1.4; fill: none; }
.s-wire-info { stroke: var(--info); stroke-width: 1.4; fill: none; }
.s-wire-warn { stroke: var(--warn); stroke-width: 1.4; fill: none; }
.s-wire-bad  { stroke: var(--bad); stroke-width: 1.4; fill: none; }
.s-dash { stroke-dasharray: 4 3; }
.s-dash2 { stroke-dasharray: 2 3; }

.s-t   { fill: var(--text); font-family: var(--sans); font-size: 12px; }
.s-tb  { fill: var(--text); font-family: var(--sans); font-size: 12px; font-weight: 700; }
.s-m   { fill: var(--muted); font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; }
.s-mb  { fill: var(--text); font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: 0.1em; }
.s-d   { fill: var(--dim); font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; }
.s-ok   { fill: var(--ok); }
.s-info { fill: var(--info); }
.s-warn { fill: var(--warn); }
.s-bad  { fill: var(--bad); }
.s-okf   { fill: var(--ok); font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.08em; }
.s-infof { fill: var(--info); font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.08em; }
.s-warnf { fill: var(--warn); font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.08em; }
.s-badf  { fill: var(--bad); font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.08em; }
.s-fillok   { fill: var(--ok-bg); stroke: var(--ok); stroke-width: 1; }
.s-fillinfo { fill: var(--info-bg); stroke: var(--info); stroke-width: 1; }
.s-fillwarn { fill: var(--warn-bg); stroke: var(--warn); stroke-width: 1; }
.s-fillbad  { fill: var(--bad-bg); stroke: var(--bad); stroke-width: 1; }
.s-arrow { fill: var(--line-hard); }
.s-arrow-ok { fill: var(--ok); }
.s-arrow-info { fill: var(--info); }
.s-arrow-warn { fill: var(--warn); }

/* --- divider band (texture) --------------------------------------------- */

.band {
  position: relative;
  height: 66px;
  margin: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel-3);
  isolation: isolate;
}

.band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("panel.png");
  background-size: cover;
  background-position: 50% 55%;
  opacity: var(--tex-op);
  mix-blend-mode: var(--tex-blend);
  z-index: -1;
}

.band span {
  position: absolute;
  left: 14px;
  bottom: 9px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
}

/* --- source reference list ---------------------------------------------- */

.srclist {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.85;
  color: var(--muted);
}

.srclist li {
  margin: 0;
  padding: 3px 0;
  border-bottom: 1px solid var(--line-soft);
  word-break: break-word;
}

.srclist li:last-child { border-bottom: none; }

.srclist b {
  color: var(--text);
  font-weight: 600;
}

/* --- deck (page-to-page footer nav) ------------------------------------- */

.deck {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-top: 26px;
}

.deck a {
  display: block;
  padding: 13px 15px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  background: var(--panel);
  color: var(--text-2);
}

.deck a:hover {
  background: var(--panel-2);
}

.deck__n {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--dim);
  display: block;
  margin-bottom: 4px;
}

.deck__t {
  display: block;
  font-weight: 650;
  color: var(--text);
  font-size: 13.5px;
  margin-bottom: 3px;
}

.deck__d {
  display: block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* --- page foot ---------------------------------------------------------- */

.pagefoot {
  border-top: 1px solid var(--line);
  padding: 16px 22px 40px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--dim);
  line-height: 1.9;
}

.pagefoot p { color: inherit; max-width: 86ch; margin: 0 0 4px; font-family: inherit; font-size: inherit; }

/* --- utility ------------------------------------------------------------ */

.flow > * + * { margin-top: 14px; }
.mono { font-family: var(--mono); font-size: 0.92em; }
.nowrap { white-space: nowrap; }
.hr { border: 0; border-top: 1px solid var(--line); margin: 22px 0; }

.kvcols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.kvcols div {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 10px 13px 12px;
}

.kvcols dt,
.kvcols .k {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 4px;
}

.kvcols dd,
.kvcols .v {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.5;
}

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

@media (max-width: 1080px) {
  .shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .rail {
    grid-column: 1;
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .rail__nav {
    flex-direction: row;
    overflow-x: auto;
    border-top: 1px solid var(--line-soft);
  }

  .rail__link {
    grid-template-columns: 8px auto;
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 9px 14px;
    white-space: nowrap;
  }

  .rail__link[aria-current="page"] {
    border-left-color: transparent;
    border-bottom-color: var(--accent);
  }

  .rail__num { display: none; }

  .rail__group { padding-bottom: 0; }

  .rail__foot {
    margin-top: 0;
    padding: 10px 16px 14px;
  }

  .stage { grid-column: 1; }

  .c8, .c7, .c6, .c5, .c4, .c3 { grid-column: span 12; }
}

@media (max-width: 720px) {
  body { font-size: 14.5px; }

  .stagebody { padding: 16px 14px 24px; }

  .stagebar { padding: 8px 14px; gap: 4px 12px; }

  h1 { font-size: 24px; }
  h2 { font-size: 18px; }

  .lede { font-size: 15.5px; }

  .readout {
    grid-template-columns: 9px minmax(0, 1fr);
    row-gap: 2px;
  }

  .readout__k { grid-column: 2; }
  .readout__v { grid-column: 2; }

  .figure__frame { padding: 10px 8px 4px; }

  .term__body { font-size: 11px; }

  .band { height: 52px; margin: 20px 0; }

  .pagefoot { padding: 14px 14px 30px; }
}

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