/* CleanTools — "blueprint" design system
   Foundation: architectural light-gray canvas, near-black ink, Geist + Geist Mono,
   hairline rules, 4/6px radii, no shadows. One signal color (orange) reserved for
   indicators: NEW marks, active states, focus, the logo square. Category dots are the
   only other chroma and never appear outside category labels. */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600&family=Geist+Mono:wght@400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --canvas: #eeeeee;
  --panel: #fafafa;
  --panel-2: #f4f4f3;
  --well: #e6e5e4;
  --rule: #d6d3d1;
  --rule-strong: #b8b3b0;
  --ink: #020202;
  --ink-2: #3d3a39;
  --ink-3: #6f6a67;
  --ink-4: #a49d9a;
  --signal: #ef6f2e;
  --signal-ink: #ffffff;
  --signal-soft: rgba(239, 111, 46, 0.12);
  --good: #0a8a5b;
  --bad: #d4322c;
  --warn: #b87100;
  --on-ink: #fafafa;

  --c-text: #2b7fff;
  --c-dev: #615fff;
  --c-design: #ff2056;
  --c-files: #0ea5a4;
  --c-calc: #c29100;
  --c-money: #00a86b;
  --c-gen: #64748b;
  --c-fun: #d62fd0;

  --font: 'Geist', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --r-sm: 4px;
  --r-md: 6px;
  --maxw: 1200px;
  --gutter: 24px;
  --header-h: 56px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --canvas: #0e0e0d;
  --panel: #161615;
  --panel-2: #1c1c1b;
  --well: #232321;
  --rule: #2c2a28;
  --rule-strong: #45413e;
  --ink: #f3f1ef;
  --ink-2: #c9c4c0;
  --ink-3: #8f8985;
  --ink-4: #5f5a57;
  --signal: #ff7a3d;
  --signal-ink: #140800;
  --signal-soft: rgba(255, 122, 61, 0.14);
  --good: #2fcf8e;
  --bad: #ff5a52;
  --warn: #f0b43c;
  --on-ink: #0e0e0d;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --canvas: #0e0e0d;
    --panel: #161615;
    --panel-2: #1c1c1b;
    --well: #232321;
    --rule: #2c2a28;
    --rule-strong: #45413e;
    --ink: #f3f1ef;
    --ink-2: #c9c4c0;
    --ink-3: #8f8985;
    --ink-4: #5f5a57;
    --signal: #ff7a3d;
    --signal-ink: #140800;
    --signal-soft: rgba(255, 122, 61, 0.14);
    --good: #2fcf8e;
    --bad: #ff5a52;
    --warn: #f0b43c;
    --on-ink: #0e0e0d;
    color-scheme: dark;
  }
}

html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
a { color: inherit; }
img, svg, canvas, video { max-width: 100%; }
::selection { background: var(--signal); color: var(--signal-ink); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3 { text-wrap: balance; font-weight: 500; }
p { text-wrap: pretty; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
kbd, .kbd {
  font-family: var(--mono);
  font-size: 11px;
  padding: 1px 5px;
  border: 1px solid var(--rule-strong);
  border-bottom-width: 2px;
  border-radius: var(--r-sm);
  color: var(--ink-2);
  background: var(--panel);
  line-height: 1.4;
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--canvas);
  border-bottom: 1px solid var(--rule);
}
.site-header .wrap {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.035em;
}
.brand-mark {
  width: 12px; height: 12px;
  background: var(--signal);
  border-radius: 2px;
  box-shadow: 4px 4px 0 var(--ink);
  transform: translate(-2px, -2px);
  transition: box-shadow .18s, transform .18s;
}
.brand:hover .brand-mark { box-shadow: 0 0 0 var(--ink); transform: none; }
.brand .tld { font-family: var(--mono); font-weight: 400; font-size: 13px; color: var(--ink-3); letter-spacing: 0; margin-left: -6px; }
.nav { display: flex; gap: 2px; margin-left: 8px; }
.nav a {
  text-decoration: none;
  font-size: 14px;
  color: var(--ink-2);
  padding: 6px 10px;
  border-radius: var(--r-sm);
}
.nav a:hover { color: var(--ink); background: var(--well); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::before { content: ''; display: inline-block; width: 5px; height: 5px; background: var(--signal); border-radius: 1px; margin-right: 7px; vertical-align: 2px; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 34px;
  padding: 0 8px 0 12px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-md);
  background: var(--panel);
  color: var(--ink-3);
  font-size: 14px;
  min-width: 220px;
}
.search-trigger:hover { border-color: var(--ink-3); color: var(--ink-2); }
.search-trigger kbd { margin-left: auto; }
.icon-btn {
  width: 34px; height: 34px;
  display: inline-grid; place-items: center;
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-md);
  background: var(--panel);
  color: var(--ink-2);
}
.icon-btn:hover { color: var(--ink); border-color: var(--ink-3); }
.icon-btn svg { width: 16px; height: 16px; }
.theme-light-icon { display: none; }
:root[data-theme="dark"] .theme-light-icon { display: block; }
:root[data-theme="dark"] .theme-dark-icon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-light-icon { display: block; }
  :root:not([data-theme="light"]) .theme-dark-icon { display: none; }
}

/* ─── Footer ─── */
.site-footer { border-top: 1px solid var(--rule); margin-top: 96px; }
.site-footer .wrap { padding-top: 40px; padding-bottom: 40px; display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; }
.site-footer h4 { font-family: var(--mono); font-size: 11px; font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.site-footer ul { list-style: none; display: grid; gap: 6px; }
.site-footer li a { text-decoration: none; font-size: 14px; color: var(--ink-2); }
.site-footer li a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.foot-note { font-size: 13px; color: var(--ink-3); max-width: 300px; margin-top: 12px; }
.foot-base { border-top: 1px solid var(--rule); }
.foot-base .wrap { display: flex; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; grid-template-columns: none; }
.foot-base p { font-family: var(--mono); font-size: 11px; color: var(--ink-3); letter-spacing: 0.04em; }

/* ─── Category dot ─── */
.cat { display: inline-flex; align-items: center; gap: 7px; }
.cat::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--dot, var(--ink-4)); flex-shrink: 0; }
.cat-text { --dot: var(--c-text); } .cat-dev { --dot: var(--c-dev); } .cat-design { --dot: var(--c-design); }
.cat-files { --dot: var(--c-files); } .cat-calc { --dot: var(--c-calc); } .cat-money { --dot: var(--c-money); }
.cat-gen { --dot: var(--c-gen); } .cat-fun { --dot: var(--c-fun); }
.new-mark { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; color: var(--signal); text-transform: uppercase; }

/* ─── Home: hero ─── */
.hero {
  position: relative;
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(var(--rule-strong) 1px, transparent 1.2px);
  background-size: 16px 16px;
  -webkit-mask-image: linear-gradient(100deg, transparent 38%, #000 80%);
  mask-image: linear-gradient(100deg, transparent 38%, #000 80%);
  opacity: .7;
  pointer-events: none;
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; padding-top: 72px; padding-bottom: 64px; align-items: end; }
.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.052em;
  font-weight: 500;
}
.hero h1 .dim { color: var(--ink-4); }
.hero-sub { margin-top: 20px; font-size: 18px; color: var(--ink-2); max-width: 470px; letter-spacing: -0.01em; }
.hero-facts { display: flex; gap: 28px; margin-top: 28px; flex-wrap: wrap; }
.hero-facts div { display: grid; gap: 2px; }
.hero-facts b { font-family: var(--mono); font-weight: 400; font-size: 22px; letter-spacing: -0.04em; }

/* Omnibox */
.omni {
  background: var(--panel);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-md);
}
.omni-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--rule); }
.omni-head .dots { display: flex; gap: 5px; }
.omni-head .dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--rule-strong); display: block; }
.omni-input-row { display: flex; align-items: center; gap: 10px; padding: 16px 16px 14px; }
.omni-input-row .prompt { font-family: var(--mono); color: var(--signal); font-size: 18px; }
.omni-input {
  flex: 1; min-width: 0;
  border: 0; outline: 0; background: transparent;
  font-family: var(--mono); font-size: 18px; color: var(--ink);
  letter-spacing: -0.02em;
}
.omni-input::placeholder { color: var(--ink-4); }
.omni-out { border-top: 1px dashed var(--rule-strong); min-height: 132px; padding: 14px 16px 16px; display: grid; gap: 10px; align-content: start; }
.omni-answer { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.omni-answer .val { font-family: var(--mono); font-size: 26px; letter-spacing: -0.04em; word-break: break-all; }
.omni-answer .kind { flex-shrink: 0; }
.omni-hints { display: flex; flex-wrap: wrap; gap: 6px; }
.omni-hints button {
  font-family: var(--mono); font-size: 12px; color: var(--ink-2);
  border: 1px solid var(--rule); border-radius: var(--r-sm); padding: 3px 8px; background: var(--panel-2);
}
.omni-hints button:hover { border-color: var(--ink-3); color: var(--ink); }
.omni-swatch { width: 26px; height: 26px; border-radius: var(--r-sm); border: 1px solid var(--rule-strong); flex-shrink: 0; }
.omni-links { display: grid; }
.omni-links a { display: flex; justify-content: space-between; align-items: center; text-decoration: none; padding: 7px 0; border-top: 1px solid var(--rule); font-size: 14px; }
.omni-links a:first-child { border-top: 0; }
.omni-links a:hover span:first-child { text-decoration: underline; text-underline-offset: 3px; }

/* ─── Home: index ─── */
.index-bar {
  position: sticky; top: var(--header-h); z-index: 20;
  background: var(--canvas);
  border-bottom: 1px solid var(--rule);
}
.index-bar .wrap { display: flex; align-items: center; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-top: 10px; padding-bottom: 10px; }
.index-bar .wrap::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0;
  font-size: 13px;
  padding: 5px 11px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  color: var(--ink-2);
  background: transparent;
  white-space: nowrap;
}
.chip:hover { color: var(--ink); border-color: var(--ink-3); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.chip .n { font-family: var(--mono); font-size: 11px; color: var(--ink-4); margin-left: 4px; }
.chip[aria-pressed="true"] .n { color: var(--ink-4); }
.index-filter { margin-left: auto; flex-shrink: 0; display: flex; align-items: center; gap: 8px; border: 1px solid var(--rule-strong); border-radius: var(--r-md); background: var(--panel); padding: 0 10px; height: 32px; }
.index-filter input { border: 0; outline: 0; background: transparent; font: inherit; font-size: 14px; color: var(--ink); width: 160px; }

.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 40px 0 14px; }
.section-head h2 { font-size: 22px; letter-spacing: -0.035em; display: flex; align-items: center; gap: 10px; }
.section-head h2.cat::before { width: 9px; height: 9px; }

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule-strong);
  border-left: 1px solid var(--rule-strong);
}
.cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 150px;
  padding: 16px 16px 18px;
  border-right: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  text-decoration: none;
  background: var(--panel);
  transition: background .12s;
}
.cell:hover { background: var(--panel-2); }
.cell:hover .cell-name { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.cell-top { display: flex; justify-content: space-between; align-items: center; }
.cell-no { font-family: var(--mono); font-size: 11px; color: var(--ink-4); }
.sigil {
  display: inline-grid; place-items: center;
  min-width: 48px; height: 48px; padding: 0 9px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-md);
  font-family: var(--mono);
  font-size: 17px;
  letter-spacing: -0.04em;
  color: var(--ink);
  background: var(--canvas);
  margin: 14px 0 12px;
  align-self: flex-start;
}
.cell:hover .sigil { border-color: var(--ink); }
.cell-name { font-size: 16px; font-weight: 500; letter-spacing: -0.025em; }
.cell-desc { font-size: 13px; color: var(--ink-3); line-height: 1.45; }
.cell .arrow { position: absolute; right: 14px; bottom: 14px; font-family: var(--mono); font-size: 13px; color: var(--ink-4); opacity: 0; transform: translateX(-4px); transition: .15s; }
.cell:hover .arrow { opacity: 1; transform: none; color: var(--signal); }
.cell[hidden] { display: none; }
.grid-empty { padding: 48px 0; text-align: center; color: var(--ink-3); }

.ad-row { margin: 40px 0 0; }
.ad-slot { min-height: 100px; }
.ad-slot ins { display: block; }

.manifesto { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--rule-strong); margin-top: 80px; }
.manifesto div { padding: 24px 24px 0 0; }
.manifesto div + div { padding-left: 24px; border-left: 1px solid var(--rule); }
.manifesto h3 { font-size: 17px; letter-spacing: -0.02em; margin: 10px 0 6px; }
.manifesto p { font-size: 14px; color: var(--ink-3); }

/* ─── Tool page ─── */
.crumbs { display: flex; gap: 8px; align-items: center; padding-top: 28px; flex-wrap: wrap; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.crumbs .sep { color: var(--ink-4); }
.tool-hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; padding: 18px 0 24px; border-bottom: 1px solid var(--rule); flex-wrap: wrap; }
.tool-hero h1 { font-size: clamp(32px, 4.4vw, 48px); letter-spacing: -0.048em; line-height: 1.02; }
.tool-hero .lede { margin-top: 10px; font-size: 16px; color: var(--ink-2); max-width: 620px; }
.spec { display: flex; gap: 0; border: 1px solid var(--rule-strong); border-radius: var(--r-md); overflow: hidden; background: var(--panel); flex-shrink: 0; }
.spec div { padding: 7px 12px; display: grid; gap: 1px; }
.spec div + div { border-left: 1px solid var(--rule); }
.spec b { font-family: var(--mono); font-weight: 400; font-size: 12px; color: var(--ink); }
.spec .label { font-size: 10px; }

.tool-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; padding-top: 28px; align-items: start; }
.tool-main { min-width: 0; }
.tool-rail { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 20px; }
.rail-block { border-top: 1px solid var(--rule-strong); padding-top: 10px; }
.rail-block .label { display: block; margin-bottom: 6px; }
.rail-list { list-style: none; }
.rail-list a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 7px 0; border-bottom: 1px solid var(--rule); text-decoration: none; font-size: 14px; color: var(--ink-2); }
.rail-list a:hover { color: var(--ink); }
.rail-list a:hover span:last-child { color: var(--signal); }
.rail-list span:last-child { font-family: var(--mono); font-size: 12px; color: var(--ink-4); }

.prose { margin-top: 48px; display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 8px 32px; border-top: 1px solid var(--rule-strong); padding-top: 20px; }
.prose > .label { padding-top: 4px; }
.prose-body { font-size: 15px; color: var(--ink-2); max-width: 680px; }
.prose-body p + p, .prose-body p + ol, .prose-body p + ul, .prose-body ol + p, .prose-body ul + p { margin-top: 12px; }
.prose-body ol, .prose-body ul { padding-left: 20px; display: grid; gap: 6px; }
.prose-body strong { color: var(--ink); font-weight: 500; }
.prose-body code { font-family: var(--mono); font-size: 13px; background: var(--well); padding: 1px 5px; border-radius: 3px; }
.faq { margin-top: 0; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; list-style: none; padding: 12px 0; font-weight: 500; color: var(--ink); display: flex; justify-content: space-between; gap: 16px; letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: var(--mono); color: var(--ink-3); }
.faq details[open] summary::after { content: '−'; color: var(--signal); }
.faq details p { padding: 0 0 14px; }

/* ─── Tool UI kit ─── */
.tool-container, .panel {
  background: var(--panel);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-md);
  padding: 20px;
}
.tool-container + .tool-container, .panel + .panel { margin-top: 16px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: -20px -20px 16px; padding: 10px 14px 10px 20px; border-bottom: 1px solid var(--rule); min-height: 46px; flex-wrap: wrap; }
.tool-container h2, .panel h2, .tool-container h3, .panel h3 { font-size: 16px; letter-spacing: -0.02em; margin-bottom: 10px; }

input[type="text"], input[type="number"], input[type="email"], input[type="url"], input[type="search"],
input[type="password"], input[type="date"], input[type="time"], input[type="datetime-local"], input[type="tel"],
textarea, select {
  width: 100%;
  background: var(--canvas);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-sm);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  padding: 9px 11px;
  outline: none;
  transition: border-color .12s, box-shadow .12s;
}
input:hover, textarea:hover, select:hover { border-color: var(--ink-3); }
input:focus, textarea:focus, select:focus { border-color: var(--ink); box-shadow: 0 0 0 3px var(--signal-soft); }
input::placeholder, textarea::placeholder { color: var(--ink-4); }
textarea { resize: vertical; min-height: 140px; line-height: 1.55; font-family: var(--mono); font-size: 14px; }
textarea.prose-input { font-family: var(--font); font-size: 15px; }
select { appearance: none; -webkit-appearance: none; padding-right: 32px; background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%); background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
input[type="color"] { width: 44px; height: 38px; padding: 2px; border: 1px solid var(--rule-strong); border-radius: var(--r-sm); background: var(--canvas); cursor: pointer; }
input[type="range"] { width: 100%; accent-color: var(--ink); }
input[type="checkbox"], input[type="radio"] { accent-color: var(--signal); width: 16px; height: 16px; }
input[type="file"] { font-size: 14px; }
label.field, .field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--ink-2); font-weight: 500; }
label.field > span:first-child, .field > .label { font-weight: 400; }
.hint { font-size: 12px; color: var(--ink-3); font-weight: 400; }
.check { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-2); cursor: pointer; user-select: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 38px; padding: 0 16px;
  background: var(--ink); color: var(--on-ink);
  border: 1px solid var(--ink);
  border-radius: var(--r-sm);
  font-size: 14px; font-weight: 500; letter-spacing: -0.01em;
  text-decoration: none; white-space: nowrap;
  transition: background .12s, color .12s, border-color .12s, transform .06s;
}
.btn:hover { background: var(--ink-2); border-color: var(--ink-2); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-alt, .btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn-alt:hover, .btn-ghost:hover { background: var(--well); border-color: var(--ink-3); }
.btn-sm { height: 30px; padding: 0 10px; font-size: 13px; }
.btn-signal { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.btn-signal:hover { background: var(--signal); border-color: var(--signal); filter: brightness(1.06); }
.btn.is-done { color: var(--good); border-color: var(--good); background: transparent; }
.btn-row, .toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.toolbar .spacer { flex: 1; }

.pill, .seg button {
  display: inline-flex; align-items: center; justify-content: center;
  height: 32px; padding: 0 12px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--ink-2);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
.pill:hover, .seg button:hover { color: var(--ink); border-color: var(--ink-3); }
.pill.active, .seg button.active, .seg button[aria-pressed="true"] { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.seg { display: inline-flex; border: 1px solid var(--rule-strong); border-radius: var(--r-sm); padding: 2px; gap: 2px; background: var(--canvas); flex-wrap: wrap; }
.seg button { border: 0; height: 28px; border-radius: 3px; }

.result-box {
  background: var(--canvas);
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  padding: 16px;
}
.result-value { font-family: var(--mono); font-size: 32px; letter-spacing: -0.045em; line-height: 1.1; color: var(--ink); word-break: break-word; }
.result-unit { margin-left: 8px; color: var(--ink-3); font-size: 15px; letter-spacing: 0; }
.big-number { font-family: var(--mono); font-size: clamp(32px, 5vw, 52px); letter-spacing: -0.05em; line-height: 1; }

.row-result {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  background: var(--canvas);
  cursor: pointer;
  transition: border-color .12s;
}
.row-result:hover { border-color: var(--ink-3); }
.row-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); flex-shrink: 0; min-width: 90px; }
.row-value { font-family: var(--mono); font-size: 14px; color: var(--ink); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-copy { font-family: var(--mono); font-size: 11px; color: var(--ink-4); flex-shrink: 0; min-width: 48px; text-align: right; }
.row-copy.copied, .copied { color: var(--good) !important; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); margin-top: 16px; }
.stat-box { padding: 14px 14px 12px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--canvas); }
.stat-box .val { font-family: var(--mono); font-size: 24px; letter-spacing: -0.045em; color: var(--ink); line-height: 1.15; }
.stat-box .lbl { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); margin-top: 4px; }

.code-block, .out {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  background: var(--canvas);
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
}
.dropzone, .drop-zone {
  position: relative;
  display: grid; place-items: center; gap: 6px;
  text-align: center;
  min-height: 180px;
  padding: 28px;
  border: 1px dashed var(--rule-strong);
  border-radius: var(--r-md);
  background: repeating-linear-gradient(-45deg, transparent 0 10px, var(--panel-2) 10px 11px), var(--canvas);
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color .12s, background-color .12s;
}
.dropzone:hover, .drop-zone:hover, .dropzone.drag, .drop-zone.drag, .drop-zone.dragover { border-color: var(--signal); border-style: solid; }
.dropzone input[type="file"], .drop-zone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dropzone strong { color: var(--ink); font-weight: 500; }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-family: var(--mono); font-size: 11px; font-weight: 400; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); padding: 8px 10px; border-bottom: 1px solid var(--rule-strong); }
.table td { padding: 8px 10px; border-bottom: 1px solid var(--rule); font-variant-numeric: tabular-nums; }
.table td.num, .table th.num { text-align: right; font-family: var(--mono); font-size: 13px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--r-sm); background: var(--canvas); }

.field-row { display: flex; gap: 8px; align-items: stretch; }
.field-row input, .field-row select { flex: 1; min-width: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.stack { display: grid; gap: 14px; }
.divider { height: 1px; background: var(--rule); margin: 18px 0; border: 0; }

.checkbox-row { display: flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14px; color: var(--ink-2); user-select: none; }
.checkbox-box { width: 16px; height: 16px; border: 1px solid var(--rule-strong); border-radius: 3px; display: grid; place-items: center; background: var(--canvas); flex-shrink: 0; font-size: 11px; color: var(--signal-ink); }
.checkbox-box.checked { background: var(--signal); border-color: var(--signal); }
.strength-bar { flex: 1; height: 6px; background: var(--well); border-radius: 3px; overflow: hidden; }
.strength-fill { height: 100%; border-radius: 3px; }
.swatch-bar { display: flex; gap: 0; border-radius: var(--r-sm); overflow: hidden; border: 1px solid var(--rule-strong); }
.swatch { flex: 1; height: 48px; cursor: pointer; position: relative; }
.username-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; }
.username-chip { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid var(--rule); border-radius: var(--r-sm); background: var(--canvas); cursor: pointer; font-family: var(--mono); font-size: 14px; }
.username-chip:hover { border-color: var(--ink-3); }
.username-chip .cp { font-size: 11px; color: var(--ink-4); }
.calc-btn { height: 38px; padding: 0 14px; border: 1px solid var(--rule-strong); border-radius: var(--r-sm); background: var(--canvas); color: var(--ink); font-size: 14px; }
.calc-btn:hover { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.tool-warn, .notice { font-size: 13px; color: var(--ink-2); background: var(--signal-soft); border: 1px solid var(--rule); padding: 10px 12px; border-radius: var(--r-sm); }
.error, .is-error { color: var(--bad); }
.good { color: var(--good); }
.bar { height: 8px; background: var(--well); border-radius: 2px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--ink); }

/* utilities kept from v1 so tool markup ports cleanly */
.flex { display: flex; } .flex-wrap { flex-wrap: wrap; } .items-center { align-items: center; } .items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; } .justify-center { justify-content: center; }
.gap-4 { gap: 4px; } .gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-14 { gap: 14px; } .gap-16 { gap: 16px; }
.grid-rows { display: grid; gap: 8px; }
.mt-8 { margin-top: 8px; } .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; } .mt-20 { margin-top: 20px; } .mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; } .mb-12 { margin-bottom: 12px; } .mb-16 { margin-bottom: 16px; } .mb-20 { margin-bottom: 20px; }
.w-full { width: 100%; } .mono { font-family: var(--mono); } .text-sm { font-size: 13px; } .muted, .text-ghost { color: var(--ink-3); }
.text-green { color: var(--good); } .break-all { word-break: break-all; } .center { text-align: center; } .hidden { display: none !important; }

/* ─── Command palette ─── */
.palette-backdrop { position: fixed; inset: 0; z-index: 100; background: rgba(2, 2, 2, .38); display: none; align-items: flex-start; justify-content: center; padding: 12vh 16px 16px; }
.palette-backdrop.open { display: flex; }
.palette { width: 100%; max-width: 620px; background: var(--panel); border: 1px solid var(--rule-strong); border-radius: var(--r-md); overflow: hidden; box-shadow: 0 24px 60px -20px rgba(0,0,0,.35); }
.palette-input { display: flex; align-items: center; gap: 10px; padding: 0 14px; border-bottom: 1px solid var(--rule); }
.palette-input span { font-family: var(--mono); color: var(--signal); }
.palette-input input { flex: 1; border: 0 !important; box-shadow: none !important; background: transparent; height: 52px; font-size: 16px; padding: 0; }
.palette-list { max-height: 50vh; overflow-y: auto; padding: 6px; list-style: none; }
.palette-list li a { display: flex; align-items: center; gap: 12px; padding: 9px 10px; border-radius: var(--r-sm); text-decoration: none; }
.palette-list li a .sigil { margin: 0; min-width: 30px; height: 30px; font-size: 12px; }
.palette-list li a .p-name { font-size: 14px; font-weight: 500; }
.palette-list li a .p-desc { font-size: 12px; color: var(--ink-3); }
.palette-list li a .cat { margin-left: auto; font-size: 12px; color: var(--ink-3); flex-shrink: 0; }
.palette-list li.active a { background: var(--well); }
.palette-list li.active a .sigil { border-color: var(--ink); }
.palette-foot { display: flex; gap: 16px; padding: 8px 14px; border-top: 1px solid var(--rule); font-size: 12px; color: var(--ink-3); }
.palette-empty { padding: 28px; text-align: center; color: var(--ink-3); font-size: 14px; }

/* ─── Toast ─── */
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 120; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; background: var(--ink); color: var(--on-ink); font-family: var(--mono); font-size: 12px; padding: 8px 14px; border-radius: var(--r-sm); transition: .18s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast::before { content: ''; display: inline-block; width: 6px; height: 6px; background: var(--signal); border-radius: 1px; margin-right: 8px; vertical-align: 1px; }

/* ─── Page (static) ─── */
.page-head { padding: 56px 0 28px; border-bottom: 1px solid var(--rule); }
.page-head h1 { font-size: clamp(36px, 5vw, 56px); letter-spacing: -0.05em; line-height: 1; }
.page-head p { margin-top: 14px; font-size: 17px; color: var(--ink-2); max-width: 620px; }

/* ─── Responsive ─── */
@media (max-width: 1080px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .tool-layout { grid-template-columns: minmax(0, 1fr); }
  .tool-rail { position: static; grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
}
@media (max-width: 820px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; padding-bottom: 40px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer .wrap { grid-template-columns: 1fr 1fr; }
  .site-footer .wrap > div:first-child { grid-column: 1 / -1; }
  .manifesto { grid-template-columns: 1fr; }
  .manifesto div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); margin-top: 20px; }
  .prose { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .search-trigger { min-width: 0; }
  .search-trigger .st-label { display: none; }
  .index-filter { display: none; }
}
@media (max-width: 560px) {
  :root { --gutter: 16px; }
  .grid { grid-template-columns: 1fr; }
  .cell { min-height: 0; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 14px; row-gap: 2px; padding: 14px 16px; }
  .cell-top { display: none; }
  .cell .sigil { grid-row: 1 / 3; margin: 0; align-self: center; }
  .cell .arrow { display: none; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .tool-rail { grid-template-columns: 1fr; }
  .spec { width: 100%; }
  .spec div { flex: 1; }
  .tool-container, .panel { padding: 16px; }
  .panel-head { margin: -16px -16px 14px; padding-left: 16px; }
  .field-row { flex-wrap: wrap; }
  .foot-base .wrap { flex-direction: column; }
  .result-value { font-size: 26px; }
  .hero-facts { display: grid; grid-template-columns: repeat(4, auto); gap: 16px; justify-content: start; }
  .hero-facts b { font-size: 19px; }
  .hero-facts .label { font-size: 10px; }
  .section-head .label { display: none; }
  .search-trigger kbd { display: none; }
  .search-trigger { padding: 0; width: 34px; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* ─── fixes: icon sizing + bare inputs inside composite controls ─── */
.search-trigger svg, .index-filter svg { width: 14px; height: 14px; flex-shrink: 0; }
.search-trigger { white-space: nowrap; }
.omni input.omni-input, .index-filter input[type="text"], .palette-input input[type="text"] {
  border: 0; box-shadow: none; background: transparent; padding: 0; width: auto; flex: 1; min-width: 0; border-radius: 0;
}
.omni input.omni-input { font-family: var(--mono); font-size: 18px; letter-spacing: -0.02em; }
.index-filter input[type="text"] { font-size: 14px; width: 150px; }

/* ─── shared additions from tool builds ─── */
[hidden] { display: none !important; }
.field-inline { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); }
.field-inline input, .field-inline select { width: auto; min-width: 70px; padding: 6px 9px; }
.panel-sub { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0 10px; margin-top: 16px; border-top: 1px solid var(--rule); flex-wrap: wrap; }
.grid-2 > .panel + .panel, .grid-3 > .panel + .panel, .grid-4 > .panel + .panel, .stack > .panel + .panel,
.grid-2 > .tool-container + .tool-container, .stack > .tool-container + .tool-container { margin-top: 0; }
.dropzone.compact, .drop-zone.compact { min-height: 88px; padding: 16px; }
.thumb { background: repeating-conic-gradient(var(--well) 0 25%, var(--panel) 0 50%) 0 0 / 12px 12px; border: 1px solid var(--rule); border-radius: var(--r-sm); object-fit: contain; }
.row-value.wrap { white-space: normal; word-break: break-all; overflow: visible; }
.file-btn { position: relative; overflow: hidden; }
.file-btn input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.row-label.as-is { text-transform: none; letter-spacing: 0; }
.grid-rows { grid-template-columns: minmax(0, 1fr); }
/* JSON/code syntax tokens (inside .out / .code-block only) */
.tk-k { color: var(--c-dev); } .tk-s { color: var(--good); } .tk-n { color: var(--c-calc); } .tk-l { color: var(--c-design); } .tk-p { color: var(--ink-3); }
.field > .label { font-family: var(--font); font-size: 13px; letter-spacing: 0; text-transform: none; color: var(--ink-2); }
.ad-slot ins.adsbygoogle { background: transparent !important; }
.ad-slot ins.adsbygoogle[data-ad-status="unfilled"] { display: none !important; }
.stack { grid-template-columns: minmax(0, 1fr); }
.row-result.wrap .row-value { white-space: normal; word-break: break-word; }
:root { --good-soft: color-mix(in srgb, var(--good) 16%, transparent); --bad-soft: color-mix(in srgb, var(--bad) 16%, transparent); --warn-soft: color-mix(in srgb, var(--warn) 18%, transparent); }
.suggest { list-style: none; border: 1px solid var(--rule-strong); border-radius: var(--r-sm); background: var(--panel); max-height: 260px; overflow-y: auto; margin-top: 4px; }
.suggest li { padding: 7px 10px; font-size: 14px; cursor: pointer; display: flex; justify-content: space-between; gap: 12px; }
.suggest li.active, .suggest li:hover { background: var(--well); }