/* ============================================================
   Privex Wiki — "Warm editorial" design system (paper + teal)
   Light-default, with a warm-dark companion. Serif headings.
   ============================================================ */

:root {
  color-scheme: light;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --sidebar-w: 290px;
  --header-h: 58px;
  --reading: 900px;
  --radius: 10px;
}

/* -------- Light (default) — paper + teal -------- */
:root, :root[data-theme="light"] {
  --bg: #faf8f3;
  --raised: #ffffff;
  --raised-2: #f4f0e8;
  --raised-3: #ece7db;
  --line: #e7e1d5;
  --line-soft: #efeae0;
  --ink: #1c1a17;
  --ink-dim: #5f5a50;
  --ink-faint: #938c7e;
  --accent: #0d7a6b;
  --accent-2: #0a5e52;
  --accent-soft: rgba(13, 122, 107, 0.10);
  --accent-line: rgba(13, 122, 107, 0.32);
  --on-accent: #ffffff;
  --good: #2f7d46;
  --good-soft: rgba(47, 125, 70, 0.10);
  --good-line: rgba(47, 125, 70, 0.32);
  --bad: #bb3b2f;
  --bad-soft: rgba(187, 59, 47, 0.09);
  --bad-line: rgba(187, 59, 47, 0.30);
  --warn: #a1730c;
  --warn-soft: rgba(161, 115, 12, 0.11);
  --info: #2a6ea3;
  --info-soft: rgba(42, 110, 163, 0.10);
  --info-line: rgba(42, 110, 163, 0.30);
  --purple: #7a48c0;
  --purple-soft: rgba(122, 72, 192, 0.10);
  --shadow: 0 20px 44px -28px rgba(60, 50, 30, 0.45);
}

/* -------- Warm dark companion -------- */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #17140f;
  --raised: #1e1a14;
  --raised-2: #251f18;
  --raised-3: #2d2620;
  --line: #362e24;
  --line-soft: #2a241c;
  --ink: #efe8db;
  --ink-dim: #b4ab9a;
  --ink-faint: #817868;
  --accent: #33bda6;
  --accent-2: #55d3bd;
  --accent-soft: rgba(51, 189, 166, 0.13);
  --accent-line: rgba(51, 189, 166, 0.34);
  --on-accent: #10140f;
  --good: #6fc186;
  --good-soft: rgba(111, 193, 134, 0.13);
  --good-line: rgba(111, 193, 134, 0.34);
  --bad: #e07d72;
  --bad-soft: rgba(224, 125, 114, 0.13);
  --bad-line: rgba(224, 125, 114, 0.34);
  --warn: #d8ab3c;
  --warn-soft: rgba(216, 171, 60, 0.13);
  --info: #74b2de;
  --info-soft: rgba(116, 178, 222, 0.13);
  --info-line: rgba(116, 178, 222, 0.34);
  --purple: #bd9ae6;
  --purple-soft: rgba(189, 154, 230, 0.13);
  --shadow: 0 20px 50px -26px rgba(0, 0, 0, 0.72);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent-soft); color: var(--ink); }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; letter-spacing: 0; text-transform: none; }
.mono, code, kbd { font-family: var(--mono); }
.tabular { font-variant-numeric: tabular-nums; }

/* -------- Plain / Technical visibility -------- */
:root[data-mode="plain"] [data-tech] { display: none !important; }
:root[data-mode="tech"] [data-plain] { display: none !important; }

/* ============================================================ Header */
.site-header {
  position: sticky; top: 0; z-index: 60; height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 0 18px;
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.hbrand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.hbrand .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); flex: 0 0 auto; }
.hbrand b { font-family: var(--serif); font-size: 16px; font-weight: 600; color: var(--ink); letter-spacing: .01em; }
.hbrand small { font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint); letter-spacing: .02em; }
.hbrand a { color: inherit; display: flex; align-items: center; gap: 10px; }
.header-controls { display: flex; align-items: center; gap: 10px; }

.mode-toggle { display: inline-flex; background: var(--raised-2); border: 1px solid var(--line); border-radius: 999px; padding: 3px; gap: 2px; }
.mode-toggle button {
  font-family: var(--mono); font-size: 11px; letter-spacing: .04em; text-transform: uppercase;
  border: none; background: transparent; color: var(--ink-dim); padding: 6px 13px; border-radius: 999px; cursor: pointer;
  transition: background .15s, color .15s;
}
.mode-toggle button[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); font-weight: 700; }

.icon-btn {
  width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); background: var(--raised); color: var(--ink); border-radius: 8px; cursor: pointer;
  font-size: 15px; transition: border-color .15s, background .15s;
}
.icon-btn:hover { border-color: var(--accent-line); }
.icon-btn svg { display: block; }
.menu-btn { display: none; }

/* inline SVG icon alignment */
.nav-group a .ic { display: inline-flex; align-items: center; justify-content: center; }
.nav-group a .ic svg { display: block; }
.observe h4 svg { flex: 0 0 auto; }
.lb-bar button svg { display: block; margin: 0 auto; }

/* ============================================================ Layout */
.layout { display: grid; grid-template-columns: var(--sidebar-w) 1fr; }
.sidebar {
  position: sticky; top: var(--header-h); align-self: start;
  height: calc(100vh - var(--header-h)); overflow-y: auto;
  border-right: 1px solid var(--line); padding: 22px 12px 60px;
  background: color-mix(in srgb, var(--raised-2) 55%, var(--bg));
}
.sidebar::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }
.nav-group { margin-bottom: 20px; }
.nav-group > .nav-label {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-faint); padding: 4px 12px; margin-bottom: 4px;
}
.nav-group a {
  display: flex; align-items: center; gap: 9px; padding: 7px 12px; border-radius: 7px;
  color: var(--ink-dim); font-size: 13.5px; line-height: 1.3;
  border-left: 2px solid transparent; transition: background .12s, color .12s;
}
.nav-group a:hover { background: var(--raised-2); color: var(--ink); }
.nav-group a.active { background: var(--accent-soft); color: var(--accent-2); border-left-color: var(--accent); font-weight: 600; }
:root[data-theme="dark"] .nav-group a.active { color: var(--ink); }
.nav-group a .ic { font-size: 13px; width: 16px; text-align: center; opacity: .8; flex: 0 0 auto; }

.main { min-width: 0; }
.article { max-width: var(--reading); margin: 0 auto; padding: 44px 32px 120px; }

/* ============================================================ Article type */
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 16px; display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--accent-line); }
.article h1 { font-size: clamp(30px, 4.4vw, 44px); line-height: 1.12; margin: 0 0 16px; }
.article .lede { font-size: 18.5px; color: var(--ink-dim); margin: 0 0 8px; max-width: 66ch; line-height: 1.6; }
.article h2 { font-size: 25px; margin: 48px 0 8px; padding-top: 16px; border-top: 1px solid var(--line-soft); }
.article h3 { font-size: 18px; margin: 30px 0 6px; color: var(--ink); }
.prose p { margin: 13px 0; max-width: 72ch; }
.prose p, .prose li { color: var(--ink); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose em { color: var(--accent-2); font-style: italic; }
.prose ul, .prose ol { max-width: 72ch; padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose code {
  font-size: 13px; background: var(--raised-2); border: 1px solid var(--line);
  border-radius: 5px; padding: 1px 6px; color: var(--accent-2);
}
.prose a { border-bottom: 1px solid var(--accent-line); }

/* ============================================================ Pills / tags */
.pill {
  display: inline-block; font-family: var(--mono); font-size: 11px; letter-spacing: .02em;
  padding: 2px 9px; border-radius: 999px; border: 1px solid var(--line); color: var(--ink-dim); background: var(--raised-2);
  white-space: nowrap;
}
.pill.good { color: var(--good); border-color: var(--good-line); background: var(--good-soft); }
.pill.bad { color: var(--bad); border-color: var(--bad-line); background: var(--bad-soft); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 34%, var(--line)); background: var(--warn-soft); }
.pill.info { color: var(--info); border-color: var(--info-line); background: var(--info-soft); }
.pill.purple { color: var(--purple); border-color: color-mix(in srgb, var(--purple) 34%, var(--line)); background: var(--purple-soft); }
.pill.accent { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.pill-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 14px 0; }

/* ============================================================ Figure */
.figure { margin: 28px 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--raised); overflow: hidden; box-shadow: var(--shadow); }
.figure-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 13px 16px 11px; border-bottom: 1px solid var(--line-soft); }
.figure-head .fh-title { font-family: var(--mono); font-size: 12.5px; color: var(--ink); letter-spacing: .01em; }
.figure-head .fh-sub { font-size: 12px; color: var(--ink-faint); margin-top: 2px; }
.figure-tools { display: flex; gap: 6px; flex: 0 0 auto; }
.figure-tools .icon-btn { width: 30px; height: 30px; font-size: 13px; background: var(--raised-2); }
.mermaid-holder {
  padding: 18px; overflow: auto; display: flex; justify-content: center;
  background: radial-gradient(120% 120% at 50% 0%, color-mix(in srgb, var(--accent) 5%, transparent), transparent 60%), var(--raised);
}
.mermaid-holder svg { max-width: 100%; height: auto; }
.mermaid-holder .diag-err { color: var(--bad); font-family: var(--mono); font-size: 12.5px; white-space: pre-wrap; text-align: left; padding: 10px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 11px 16px; border-top: 1px solid var(--line-soft); background: var(--raised-2); }
.legend .lg { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--ink-dim); font-family: var(--mono); }
.legend .sw { width: 12px; height: 12px; border-radius: 3px; border: 1.5px solid var(--ink-faint); flex: 0 0 auto; }
.figcap { padding: 11px 16px; font-size: 13px; color: var(--ink-dim); border-top: 1px solid var(--line-soft); }
.figcap b { color: var(--ink); }

/* ============================================================ Tables */
.table-wrap { margin: 22px 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th, table.data td { text-align: left; padding: 10px 13px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
table.data thead th { background: var(--raised-2); color: var(--accent); font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; text-transform: uppercase; position: sticky; top: 0; }
table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: var(--raised-2); }
table.data td.mono, table.data td code { font-family: var(--mono); font-size: 12.5px; color: var(--ink); }
table.data td .muted { color: var(--ink-faint); }

/* ============================================================ Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 14px; margin: 22px 0; }
.card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--raised); padding: 16px; position: relative; transition: border-color .15s, box-shadow .15s; }
.card:hover { border-color: var(--accent-line); box-shadow: var(--shadow); }
.card .card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.card h3 { margin: 0; font-size: 15px; font-family: var(--mono); font-weight: 600; }
.card .card-purpose { color: var(--ink-dim); font-size: 13px; margin: 6px 0 10px; }
.field-list { display: grid; gap: 3px; margin: 8px 0; }
.field-list .fr { display: grid; grid-template-columns: 150px 1fr; gap: 10px; padding: 4px 0; border-top: 1px dashed var(--line-soft); }
.field-list .fr:first-child { border-top: none; }
.field-list dt { font-family: var(--mono); font-size: 12px; color: var(--accent-2); }
.field-list dd { margin: 0; font-size: 12.5px; color: var(--ink-dim); }
.card-notes { list-style: none; padding: 0; margin: 10px 0 0; border-top: 1px solid var(--line-soft); }
.card-notes li { font-size: 12.5px; color: var(--ink-dim); padding: 5px 0 5px 16px; position: relative; }
.card-notes li::before { content: "›"; position: absolute; left: 2px; color: var(--accent); }

.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.chip { font-family: var(--mono); font-size: 12px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--raised); color: var(--ink-dim); cursor: pointer; }
.chip:hover { border-color: var(--accent-line); color: var(--ink); }
.chip.active { background: var(--accent); color: var(--on-accent); border-color: var(--accent); font-weight: 700; }
.card[data-hidden="true"] { display: none; }

/* ============================================================ Timeline */
.timeline { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 12px; margin: 22px 0; }
.time-card { border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: var(--radius); background: var(--raised); padding: 14px 15px; }
.time-card .dur { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .04em; }
.time-card h3 { margin: 4px 0 6px; font-size: 15px; }
.time-card p { margin: 0; font-size: 13px; color: var(--ink-dim); }
.time-card.vol { border-left-color: var(--info); } .time-card.vol .dur { color: var(--info); }
.time-card.dur-long { border-left-color: var(--good); } .time-card.dur-long .dur { color: var(--good); }

/* ============================================================ Observe grid */
.observe { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 22px 0; }
.observe .obox { border: 1px solid var(--line); border-radius: var(--radius); padding: 15px 16px; background: var(--raised); }
.observe .obox.sees { border-color: color-mix(in srgb, var(--warn) 30%, var(--line)); }
.observe .obox.denied { border-color: var(--good-line); background: var(--good-soft); }
.observe h4 { margin: 0 0 10px; font-size: 12.5px; font-family: var(--mono); text-transform: uppercase; letter-spacing: .05em; display: flex; align-items: center; gap: 8px; }
.observe .sees h4 { color: var(--warn); }
.observe .denied h4 { color: var(--good); }
.observe ul { list-style: none; margin: 0; padding: 0; }
.observe li { font-size: 13px; color: var(--ink-dim); padding: 6px 0 6px 20px; position: relative; border-top: 1px dashed var(--line-soft); }
.observe li:first-child { border-top: none; }
.observe .sees li::before { content: "\25CF"; position: absolute; left: 2px; color: var(--warn); font-size: 9px; top: 8px; }
.observe .denied li::before { content: "\2715"; position: absolute; left: 2px; color: var(--good); font-size: 11px; }

/* ============================================================ Flow steps */
.steps { display: grid; gap: 8px; margin: 22px 0; }
.step { display: grid; grid-template-columns: 30px 108px 1fr; gap: 12px; align-items: start; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; background: var(--raised); }
.step .num { font-family: var(--mono); font-size: 13px; color: var(--on-accent); background: var(--accent); border-radius: 6px; width: 26px; height: 26px; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.step .actor { font-family: var(--mono); font-size: 12.5px; color: var(--accent-2); }
.step p { margin: 0; font-size: 13.5px; color: var(--ink-dim); }

/* ============================================================ Note */
.note { border: 1px solid var(--line); border-left: 3px solid var(--accent); background: var(--raised); border-radius: var(--radius); padding: 13px 16px; margin: 22px 0; font-size: 14px; color: var(--ink-dim); }
.note b { color: var(--ink); }
.note.good { border-left-color: var(--good); }
.note.warn { border-left-color: var(--warn); }
.note .note-k { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); display: block; margin-bottom: 4px; }

/* ============================================================ Matrix */
.matrix { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 12px; margin: 22px 0; }
.mrow { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--raised); }
.mrow .attack { padding: 12px 14px; background: var(--bad-soft); border-bottom: 1px solid var(--line-soft); }
.mrow .attack .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--bad); }
.mrow .attack p { margin: 4px 0 0; font-size: 13px; color: var(--ink); }
.mrow .defend { padding: 12px 14px; }
.mrow .defend .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--good); }
.mrow .defend p { margin: 4px 0 0; font-size: 13px; color: var(--ink-dim); }

/* ============================================================ Glossary */
.glossary { display: grid; gap: 12px; margin: 20px 0; }
.gterm { border: 1px solid var(--line); border-radius: var(--radius); background: var(--raised); padding: 15px 16px; scroll-margin-top: 76px; }
.gterm h3 { margin: 0 0 4px; font-size: 17px; }
.gterm .abbr { color: var(--ink-faint); font-size: 12.5px; font-family: var(--mono); }
.gterm p { margin: 8px 0 0; font-size: 13.5px; color: var(--ink-dim); }
.gindex { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0; }
.gindex a { font-family: var(--mono); font-size: 12px; padding: 4px 9px; border: 1px solid var(--line); border-radius: 6px; color: var(--ink-dim); }
.gindex a:hover { border-color: var(--accent-line); color: var(--accent); }

/* ============================================================ Metrics / hub */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin: 24px 0; }
.metric { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 15px; background: var(--raised); }
.metric dt { font-family: var(--mono); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-faint); }
.metric dd { margin: 6px 0 0; font-size: 26px; font-family: var(--serif); color: var(--accent); }

.hub { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 14px; margin: 24px 0; }
.hub a { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; background: var(--raised); display: block; transition: border-color .15s, transform .1s, box-shadow .15s; }
.hub a:hover { border-color: var(--accent-line); transform: translateY(-2px); box-shadow: var(--shadow); }
.hub a .hk { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; }
.hub a h3 { margin: 6px 0 5px; font-size: 17px; color: var(--ink); }
.hub a p { margin: 0; font-size: 13px; color: var(--ink-dim); }

.page-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 60px; padding-top: 22px; border-top: 1px solid var(--line); }
.page-nav a { flex: 1; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 15px; background: var(--raised); }
.page-nav a:hover { border-color: var(--accent-line); }
.page-nav .pn-k { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .06em; }
.page-nav .pn-t { color: var(--ink); font-size: 14px; margin-top: 3px; font-family: var(--serif); }
.page-nav a.next { text-align: right; }

/* ============================================================ Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; display: none; background: color-mix(in srgb, var(--bg) 95%, #000); }
.lightbox.open { display: block; }
.lb-canvas { position: absolute; inset: 0; overflow: hidden; cursor: grab;
  background-color: var(--bg);
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 34px 34px; touch-action: none; }
.lb-canvas.grabbing { cursor: grabbing; }
.lb-canvas svg { transform-origin: 0 0; will-change: transform; user-select: none; }
.lb-bar { position: absolute; top: 14px; left: 14px; display: flex; gap: 4px; align-items: center;
  background: color-mix(in srgb, var(--raised) 92%, transparent); border: 1px solid var(--line); border-radius: 10px; padding: 5px; z-index: 3; box-shadow: var(--shadow); }
.lb-bar button { width: 32px; height: 32px; border: none; background: transparent; color: var(--ink); border-radius: 7px; cursor: pointer; font-size: 16px; }
.lb-bar button:hover { background: var(--raised-2); }
.lb-bar .lb-pct { min-width: 56px; font-family: var(--mono); font-size: 12.5px; color: var(--ink-dim); text-align: center; cursor: pointer; }
.lb-bar .lb-input { width: 56px; height: 32px; text-align: center; font-family: var(--mono); font-size: 12.5px; color: var(--ink); background: var(--bg); border: 1px solid var(--accent); border-radius: 7px; }
.lb-close { position: absolute; top: 14px; right: 14px; z-index: 3; }
.lb-title { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 12.5px; color: var(--ink-dim); z-index: 3; pointer-events: none; }
.lb-hint { position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 11px; color: var(--ink-faint); z-index: 3; pointer-events: none; }
.lb-hint b { color: var(--accent); }

/* ============================================================ PoW widget */
.widget { border: 1px solid var(--line); border-radius: var(--radius); background: var(--raised); padding: 18px; margin: 26px 0; box-shadow: var(--shadow); }
.widget h3 { margin: 0 0 6px; font-size: 18px; }
.widget .w-sub { font-size: 13px; color: var(--ink-dim); margin: 0 0 16px; }
.slider-row { display: flex; align-items: center; gap: 14px; margin: 14px 0; }
.slider-row input[type="range"] { flex: 1; accent-color: var(--accent); }
.slider-row .sval { font-family: var(--mono); font-size: 13px; color: var(--accent); min-width: 92px; text-align: right; }
.wstats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-top: 16px; }
.wstat { border: 1px solid var(--line); border-radius: 8px; padding: 12px; background: var(--raised-2); text-align: center; }
.wstat .wk { font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-faint); }
.wstat .wv { font-family: var(--serif); font-size: 22px; color: var(--accent); margin-top: 5px; }
.wstat.bad .wv { color: var(--bad); }
.wbar { height: 10px; border-radius: 999px; background: var(--raised-3); overflow: hidden; margin-top: 14px; border: 1px solid var(--line); }
.wbar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--good), var(--warn), var(--bad)); transition: width .2s; }

/* ============================================================ Responsive */
@media (max-width: 940px) {
  .menu-btn { display: inline-flex; }
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: fixed; top: var(--header-h); left: 0; width: 300px; z-index: 55; transform: translateX(-100%); transition: transform .22s ease; box-shadow: var(--shadow); }
  :root[data-nav="open"] .sidebar { transform: translateX(0); }
  .nav-scrim { position: fixed; inset: var(--header-h) 0 0 0; background: rgba(0,0,0,.45); z-index: 54; display: none; }
  :root[data-nav="open"] .nav-scrim { display: block; }
  .article { padding: 30px 20px 100px; }
  .observe { grid-template-columns: 1fr; }
}
@media (min-width: 941px) { .nav-scrim { display: none; } }