/* ==========================================================================
   Pegboard — shared styles
   One bold idea: the pegboard. Holes in the board, tools hung on it as tags.
   Everything else is quiet: solid panels, plain controls, one accent.
   ========================================================================== */

@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-variable-latin.woff2') format('woff2-variations'),
       url('../fonts/archivo-variable-latin.woff2') format('woff2');
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-style: normal;
  font-display: swap;
}

/* ---------- tokens ---------- */
:root {
  --board: #e7ebee;          /* painted pegboard */
  --board-hole: #bfc8d0;     /* hole shadow */
  --board-hole-lip: #f4f6f8; /* light edge under each hole */
  --panel: #ffffff;
  --panel-2: #f5f7f9;
  --ink: #17212b;
  --ink-2: #4a5866;
  --ink-3: #6b7885;
  --line: #cdd4da;
  --line-strong: #17212b;
  --tag: #ffc83d;            /* safety yellow: the only accent */
  --tag-ink: #241b00;
  --tag-deep: #d9a20f;
  --link: #1f4fd1;
  --focus: #1f4fd1;
  --ok: #1d7a4a;
  --err: #b3261e;
  --err-bg: #fdecea;
  --code-bg: #f1f4f7;
  --stage: #ffffff;          /* barcodes and QR codes always sit on white */

  --font: 'Archivo', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, Consolas, monospace;

  --step--1: 0.875rem;
  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: clamp(1.9rem, 1.4rem + 2.2vw, 2.6rem);
  --step-4: clamp(2.4rem, 1.5rem + 4.6vw, 4.4rem);

  --radius-s: 6px;
  --radius-m: 10px;
  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --hole-gap: 28px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --board: #161b20;
    --board-hole: #0a0d10;
    --board-hole-lip: #222a31;
    --panel: #1f262d;
    --panel-2: #252d35;
    --ink: #e7ecf0;
    --ink-2: #a9b5c0;
    --ink-3: #8794a0;
    --line: #36434e;
    --line-strong: #c9d3dc;
    --tag-deep: #b88710;
    --link: #93b2ff;
    --focus: #93b2ff;
    --ok: #5fcf93;
    --err: #ff8a80;
    --err-bg: #3a1f1d;
    --code-bg: #171d23;
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --board: #161b20;
  --board-hole: #0a0d10;
  --board-hole-lip: #222a31;
  --panel: #1f262d;
  --panel-2: #252d35;
  --ink: #e7ecf0;
  --ink-2: #a9b5c0;
  --ink-3: #8794a0;
  --line: #36434e;
  --line-strong: #c9d3dc;
  --tag-deep: #b88710;
  --link: #93b2ff;
  --focus: #93b2ff;
  --ok: #5fcf93;
  --err: #ff8a80;
  --err-bg: #3a1f1d;
  --code-bg: #171d23;
  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.55;
  color: var(--ink);
  background: var(--board);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
main { flex: 1; }
img, svg, canvas { max-width: 100%; }
h1, h2, h3 { line-height: 1.15; margin: 0; }
p { margin: 0; }
a { color: var(--link); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }
code, kbd, pre, samp { font-family: var(--mono); font-size: 0.92em; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 50;
  background: var(--tag); color: var(--tag-ink); padding: 10px 14px; border-radius: var(--radius-s); font-weight: 700;
}
.skip-link:focus { top: 12px; }

/* the pegboard texture: real holes, with a light lip on the lower edge */
.board,
.hero::before,
.page-head::before {
  background-color: var(--board);
  background-image:
    radial-gradient(circle at 50% 50%, var(--board-hole) 0 3.2px, transparent 3.7px),
    radial-gradient(circle at 50% 58%, var(--board-hole-lip) 0 3.6px, transparent 4.1px);
  background-size: var(--hole-gap) var(--hole-gap);
  background-position: calc(var(--hole-gap) / 2) calc(var(--hole-gap) / 2);
}
.hero, .page-head { position: relative; isolation: isolate; background: var(--board); }
.hero::before, .page-head::before {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, transparent 38%, #000 78%);
  mask-image: linear-gradient(90deg, transparent 0, transparent 38%, #000 78%);
}
@media (max-width: 700px) {
  .hero::before, .page-head::before {
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 100%);
    opacity: 0.55;
  }
}

/* ---------- environment banner (dev / staging / local only) ---------- */
.env-banner { font-size: var(--step--1); padding: 6px 0; color: #fff; background: repeating-linear-gradient(135deg, #3b4a59 0 14px, #34424f 14px 28px); }
.env-banner--staging { background: repeating-linear-gradient(135deg, #8a3b12 0 14px, #7b3410 14px 28px); }
.env-banner--dev { background: repeating-linear-gradient(135deg, #2d4f8f 0 14px, #284680 14px 28px); }

/* ---------- header ---------- */
.site-header { background: var(--panel); border-bottom: 1px solid var(--line); position: relative; z-index: 5; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand__mark { width: 32px; height: 32px; flex: none; }
.brand__board { fill: var(--tag); stroke: var(--tag-deep); stroke-width: 1; }
.brand__hole { fill: var(--tag-ink); }
.brand__hook { fill: none; stroke: var(--tag-ink); stroke-width: 2.4; stroke-linecap: round; }
.brand__name { font-weight: 800; font-stretch: 118%; font-size: 1.15rem; letter-spacing: -0.01em; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav__link { color: var(--ink-2); text-decoration: none; font-weight: 550; padding: 8px 10px; border-radius: var(--radius-s); }
.site-nav__link:hover { color: var(--ink); background: var(--panel-2); }
.theme-toggle {
  display: inline-grid; place-items: center; width: 40px; height: 40px; margin-left: 4px;
  border: 1px solid var(--line); border-radius: var(--radius-s); background: transparent; color: var(--ink); cursor: pointer;
}
.theme-toggle:hover { background: var(--panel-2); }
.theme-toggle__icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.theme-toggle__icon--moon { display: none; }
:root[data-theme-resolved='dark'] .theme-toggle__icon--sun { display: none; }
:root[data-theme-resolved='dark'] .theme-toggle__icon--moon { display: block; }
@media (max-width: 520px) { .site-nav__link[href$='about/'], .site-nav__link[href$='about/index.html'] { display: none; } }

/* ---------- home: hero ---------- */
.hero { padding: clamp(40px, 7vw, 88px) 0 clamp(36px, 5vw, 56px); border-bottom: 1px solid var(--line); }
.hero__inner { display: grid; gap: 22px; }
.hero__title {
  font-size: var(--step-4); font-weight: 820; font-stretch: 125%; letter-spacing: -0.035em; line-height: 0.98;
  max-width: 13ch; text-wrap: balance;
}
.hero__lede { font-size: var(--step-1); color: var(--ink-2); max-width: 54ch; line-height: 1.5; }

.finder { margin-top: 10px; max-width: 560px; }
.finder__label { display: block; font-weight: 700; margin-bottom: 8px; }
.finder__field {
  display: flex; align-items: center; gap: 10px; padding: 0 14px;
  background: var(--panel); border: 2px solid var(--line-strong); border-radius: var(--radius-m);
  box-shadow: 0 4px 0 var(--line-strong);
}
.finder__field:focus-within { outline: 3px solid var(--focus); outline-offset: 3px; }
.finder__icon { width: 20px; height: 20px; fill: none; stroke: var(--ink-3); stroke-width: 2; stroke-linecap: round; flex: none; }
.finder input {
  flex: 1; min-width: 0; border: 0; background: transparent; color: var(--ink); font: inherit; font-size: 1.1rem; padding: 14px 0; outline: none;
}
.finder input::-webkit-search-cancel-button { cursor: pointer; }
.finder__kbd { font-size: 0.8rem; color: var(--ink-3); border: 1px solid var(--line); border-radius: 4px; padding: 1px 7px; }
@media (hover: none) { .finder__kbd { display: none; } }

/* ---------- home: the board of tags ---------- */
.board { padding: 40px 0 72px; }
.board__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; margin-bottom: 28px; }
.board__title { font-size: var(--step-2); font-weight: 780; font-stretch: 112%; display: flex; align-items: center; gap: 10px; padding-right: 10px; background: var(--board); box-shadow: 0 0 0 6px var(--board); }
.board__count { font-size: 0.95rem; font-weight: 700; font-stretch: 100%; background: var(--ink); color: var(--board); border-radius: 999px; padding: 1px 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: inherit; font-weight: 600; font-size: 0.95rem; color: var(--ink); cursor: pointer;
  background: var(--panel); border: 1.5px solid var(--line); border-radius: 999px; padding: 6px 14px;
}
.chip:hover { border-color: var(--line-strong); }
.chip[aria-pressed='true'] { background: var(--ink); color: var(--panel); border-color: var(--ink); }

.tag-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 28px 24px;
}
.tag-grid--compact { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }

/* a hang tag: chamfered top corners, a real punched hole showing the board, a yellow eyelet */
.tag-item {
  --o: var(--line);
  filter: drop-shadow(1px 0 0 var(--o)) drop-shadow(-1px 0 0 var(--o)) drop-shadow(0 1px 0 var(--o)) drop-shadow(0 -1px 0 var(--o)) drop-shadow(0 5px 0 rgb(23 33 43 / 0.08));
  transition: transform 160ms ease;
}
.tag-item:hover { --o: var(--line-strong); transform: translateY(-3px); }
.tag-item:has(.tag:focus-visible) { --o: var(--focus); }
.tag {
  position: relative; display: flex; flex-direction: column; gap: 6px; height: 100%;
  padding: 46px 22px 20px; color: var(--ink); text-decoration: none; background: var(--panel);
  clip-path: polygon(22px 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%, 0 22px);
  -webkit-mask: radial-gradient(circle at 50% 21px, transparent 6.5px, #000 7px);
  mask: radial-gradient(circle at 50% 21px, transparent 6.5px, #000 7px);
  border-radius: 0 0 var(--radius-m) var(--radius-m);
}
.tag:focus-visible { outline: none; }
.tag::before { /* eyelet */
  content: ''; position: absolute; left: 50%; top: 21px; width: 22px; height: 22px; translate: -50% -50%;
  border-radius: 50%; border: 4px solid var(--tag); box-shadow: inset 0 0 0 1px var(--tag-deep), 0 0 0 1px var(--tag-deep);
}
.tag__icon { width: 36px; height: 36px; color: var(--ink); margin-bottom: 4px; }
.tag__icon svg, .page-head__icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tag__name { font-size: 1.2rem; font-weight: 760; font-stretch: 110%; letter-spacing: -0.01em; }
.tag__summary { color: var(--ink-2); font-size: 0.97rem; line-height: 1.45; flex: 1; }
.tag__cat { margin-top: 10px; font-size: var(--step--1); color: var(--ink-3); font-weight: 600; display: flex; align-items: center; gap: 8px; }
.tag-grid--compact .tag { padding-top: 44px; }
.tag-grid--compact .tag__name { font-size: 1.08rem; }

.badge { display: inline-block; font-size: 0.72rem; font-weight: 700; font-stretch: 100%; letter-spacing: 0.02em; background: var(--tag); color: var(--tag-ink); border-radius: 4px; padding: 1px 6px; vertical-align: middle; }

.empty { background: var(--panel); border: 1.5px dashed var(--line); border-radius: var(--radius-m); padding: 28px; max-width: 560px; }
.empty__title { font-weight: 700; font-size: 1.1rem; margin-bottom: 4px; }
.link-button { font: inherit; color: var(--link); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 0.18em; }

.principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px 40px; padding-block: 56px; }
.principles__item h2 { font-size: 1.1rem; font-weight: 750; margin-bottom: 6px; }
.principles__item p { color: var(--ink-2); max-width: 46ch; }
.page-home main { background: var(--panel); }

/* ---------- tool and content page header ---------- */
.page-head { padding: 28px 0 30px; border-bottom: 1px solid var(--line); }
.crumbs { display: flex; gap: 8px; font-size: var(--step--1); color: var(--ink-2); margin-bottom: 14px; }
.crumbs a { color: var(--ink-2); }
.page-head__row { display: flex; align-items: center; gap: 18px; }
.page-head__icon {
  flex: none; width: 64px; height: 64px; padding: 12px; border-radius: 14px; color: var(--tag-ink);
  background: var(--tag); box-shadow: inset 0 0 0 1.5px var(--tag-deep);
}
.page-head__title { font-size: var(--step-3); font-weight: 800; font-stretch: 118%; letter-spacing: -0.025em; }
.page-head__lede { color: var(--ink-2); margin-top: 6px; max-width: 62ch; }
@media (max-width: 560px) { .page-head__icon { width: 48px; height: 48px; padding: 9px; border-radius: 11px; } }

/* ---------- tool workspace ---------- */
.page-tool main, .page-about main, .page-404 main { background: var(--panel-2); }
.tool { padding-block: 28px 8px; }
.workspace { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); gap: 20px; align-items: start; }
.workspace--wide-input { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); }
@media (max-width: 900px) { .workspace, .workspace--wide-input { grid-template-columns: minmax(0, 1fr); } }
.workspace__sticky { position: sticky; top: 16px; }
@media (max-width: 900px) { .workspace__sticky { position: static; } }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-m); padding: 20px; display: grid; gap: 18px; min-width: 0; }
.panel__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.panel__title { font-size: 1.05rem; font-weight: 750; font-stretch: 108%; }
.panel__hint { font-size: var(--step--1); color: var(--ink-3); }
.panel + .panel { margin-top: 20px; }
.workspace > .panel + .panel { margin-top: 0; }

.field { display: grid; gap: 6px; min-width: 0; }
.field > label, .field__label { font-weight: 650; font-size: 0.95rem; }
.field__help { font-size: var(--step--1); color: var(--ink-3); }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 14px; }
.input, .select, .textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--panel);
  border: 1.5px solid var(--line); border-radius: var(--radius-s); padding: 9px 11px; min-height: 44px;
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--ink-3); }
.input:focus, .select:focus, .textarea:focus { outline: 3px solid var(--focus); outline-offset: 1px; border-color: var(--focus); }
.input[aria-invalid='true'], .textarea[aria-invalid='true'] { border-color: var(--err); }
.textarea { resize: vertical; min-height: 120px; line-height: 1.5; }
.textarea--mono, .input--mono { font-family: var(--mono); font-size: 0.92rem; }
.textarea--tall { min-height: 300px; }
.select { appearance: none; padding-right: 36px; background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%); background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
.input--color { padding: 4px; width: 56px; min-width: 56px; cursor: pointer; }
.color-field { display: flex; gap: 8px; align-items: center; }
.color-field .input--mono { flex: 1; min-width: 0; }

.range { display: flex; align-items: center; gap: 12px; }
.range input[type='range'] { flex: 1; min-width: 0; accent-color: var(--ink); min-height: 32px; }
.range output { flex: none; min-width: 4ch; text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; font-weight: 650; }

.checks { display: grid; gap: 10px; }
.checks--cols { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.check { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; line-height: 1.35; }
.check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--ink); flex: none; }
.check small { display: block; color: var(--ink-3); font-size: var(--step--1); }

.segmented { display: inline-flex; flex-wrap: wrap; border: 1.5px solid var(--line); border-radius: var(--radius-s); padding: 3px; gap: 3px; background: var(--panel-2); }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label { padding: 7px 12px; border-radius: 4px; cursor: pointer; font-weight: 600; font-size: 0.93rem; color: var(--ink-2); }
.segmented input:checked + label { background: var(--panel); color: var(--ink); box-shadow: 0 0 0 1.5px var(--line-strong); }
.segmented input:focus-visible + label { outline: 3px solid var(--focus); outline-offset: 1px; }

fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
legend { padding: 0; font-weight: 650; font-size: 0.95rem; margin-bottom: 6px; }

/* buttons */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px;
  font: inherit; font-weight: 700; font-size: 0.97rem; text-decoration: none; cursor: pointer;
  padding: 9px 16px; border-radius: var(--radius-s); border: 1.5px solid var(--line-strong);
  background: var(--panel); color: var(--ink);
  box-shadow: 0 3px 0 var(--line-strong); transition: transform 80ms ease, box-shadow 80ms ease;
}
.button:hover { background: var(--panel-2); }
.button:active { transform: translateY(3px); box-shadow: 0 0 0 var(--line-strong); }
.button--primary { background: var(--tag); color: var(--tag-ink); border-color: var(--tag-ink); box-shadow: 0 3px 0 var(--tag-ink); }
.button--primary:hover { background: #ffd35f; }
.button--quiet { border-color: var(--line); box-shadow: none; font-weight: 600; }
.button--quiet:hover { border-color: var(--ink-3); }
.button--quiet:active { transform: none; }
.button--small { min-height: 36px; padding: 6px 12px; font-size: 0.9rem; }
.button[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }
.button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* output stage: codes always render on white with room to breathe */
.stage {
  background: var(--stage); border: 1px solid var(--line); border-radius: var(--radius-s);
  min-height: 260px; display: grid; place-items: center; padding: 24px; overflow: auto;
  background-image: linear-gradient(45deg, #f2f4f6 25%, transparent 25%), linear-gradient(-45deg, #f2f4f6 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #f2f4f6 75%), linear-gradient(-45deg, transparent 75%, #f2f4f6 75%);
  background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.stage > svg, .stage > canvas, .stage > img { display: block; max-width: 100%; height: auto; image-rendering: pixelated; }
.stage__empty { color: #5d6a77; text-align: center; font-size: 0.95rem; max-width: 30ch; background: #fff; padding: 6px 10px; border-radius: 4px; }

.code-out {
  margin: 0; background: var(--code-bg); border: 1px solid var(--line); border-radius: var(--radius-s);
  padding: 14px; font-family: var(--mono); font-size: 0.88rem; line-height: 1.6; color: var(--ink);
  white-space: pre-wrap; overflow-wrap: anywhere; min-height: 80px; max-height: 360px; overflow: auto;
}

.message { border-radius: var(--radius-s); padding: 10px 12px; font-size: 0.95rem; }
.message--error { background: var(--err-bg); color: var(--err); border: 1px solid currentColor; }
.message--note { background: var(--panel-2); color: var(--ink-2); border: 1px solid var(--line); }

/* key/value table (URL parts) */
.kv { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
.kv th, .kv td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.kv th { width: 30%; color: var(--ink-2); font-weight: 600; }
.kv td { font-family: var(--mono); font-size: 0.86rem; word-break: break-all; }
.kv tr:last-child th, .kv tr:last-child td { border-bottom: 0; }
.kv__sub th { padding-left: 22px; }

/* stats (word counter) */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-s); overflow: hidden; }
.stat { background: var(--panel); padding: 12px 14px; display: grid; gap: 2px; align-content: start; }
.stat__value { font-size: 1.65rem; font-weight: 800; font-stretch: 112%; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; line-height: 1.1; }
.stat__label { font-size: var(--step--1); color: var(--ink-2); }
.stat--key { background: var(--tag); color: var(--tag-ink); }
.stat--key .stat__label { color: var(--tag-ink); }
/* two even columns for longer values such as money and dates; an odd last tile spans the row */
.stats--wide { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stats--wide .stat { min-width: 0; }
.stats--wide .stat__value { font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.45rem); overflow-wrap: anywhere; }
.stats--wide > .stat:last-child:nth-child(odd) { grid-column: 1 / -1; }

.limits { display: grid; gap: 12px; }
.limit { display: grid; gap: 4px; }
.limit__row { display: flex; justify-content: space-between; gap: 10px; font-size: 0.92rem; }
.limit__row span:last-child { font-variant-numeric: tabular-nums; color: var(--ink-2); }
.limit__bar { height: 8px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); overflow: hidden; }
.limit__fill { height: 100%; width: 0; background: var(--ink); border-radius: inherit; transition: width 120ms ease; }
.limit--over .limit__fill { background: var(--err); }
.limit--over .limit__row span:last-child { color: var(--err); font-weight: 700; }

.keywords { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.keywords li { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 12px; font-size: 0.93rem; align-items: baseline; }
.keywords li span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.keywords li span:not(:first-child) { font-variant-numeric: tabular-nums; color: var(--ink-2); }

.preview-frame { border: 1px dashed var(--line); border-radius: var(--radius-s); background: var(--panel-2); padding: 12px; overflow: auto; }
.preview-frame iframe { max-width: 100%; background: #fff; }

/* ---------- help, related ---------- */
.guide { padding-block: 32px; }
.guide__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px 48px; border-top: 1px solid var(--line); padding-top: 32px; }
.guide h2, .related h2 { font-size: var(--step-1); font-weight: 760; font-stretch: 110%; margin-bottom: 14px; }
.steps { margin: 0; padding-left: 1.3em; display: grid; gap: 8px; color: var(--ink-2); max-width: 60ch; }
.steps li::marker { font-weight: 800; color: var(--ink); }
.faq { border-bottom: 1px solid var(--line); padding: 10px 0; }
.faq summary { cursor: pointer; font-weight: 650; list-style: none; display: flex; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: '+'; flex: none; width: 1ch; font-weight: 800; color: var(--ink-2); }
.faq[open] summary::before { content: '\2013'; }
.faq p { color: var(--ink-2); margin: 8px 0 0 calc(1ch + 12px); max-width: 64ch; }
.related { padding-block: 8px 64px; }

/* ---------- prose pages ---------- */
.prose { padding-block: 36px 72px; max-width: 760px; }
.prose h2 { font-size: var(--step-1); font-weight: 760; margin: 28px 0 8px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--ink-2); max-width: 66ch; margin-bottom: 10px; }
.notfound { padding-block: 32px 72px; display: grid; gap: 28px; }

/* ---------- footer ---------- */
.site-footer { background: var(--panel); border-top: 1px solid var(--line); padding: 40px 0 28px; font-size: 0.95rem; }
.site-footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 28px 32px; }
.site-footer__about { grid-column: 1 / -1; }
.site-footer__brand { font-weight: 800; font-stretch: 118%; font-size: 1.05rem; margin-bottom: 6px; }
.site-footer__about p:not(.site-footer__brand) { color: var(--ink-2); max-width: 40ch; }
.site-footer__heading { font-weight: 700; margin-bottom: 8px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-footer__col a { color: var(--ink-2); text-decoration: none; }
.site-footer__col a:hover { color: var(--ink); text-decoration: underline; }
.site-footer__meta { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: var(--step--1); }
.site-footer__meta a { color: var(--ink-2); }
@media (max-width: 640px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } .site-footer__about { grid-column: 1 / -1; } }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; translate: -50% 0; z-index: 40;
  background: var(--ink); color: var(--panel); padding: 10px 16px; border-radius: var(--radius-s);
  font-weight: 650; box-shadow: 0 6px 20px rgb(0 0 0 / 0.2); max-width: calc(100vw - 32px);
}
.toast--error { background: var(--err); color: #fff; }

/* ---------- utilities ---------- */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mt-0 { margin-top: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .tag-item:hover { transform: none; }
}

@media print {
  .site-header, .site-footer, .env-banner, .guide, .related, .crumbs, .panel--inputs, .actions { display: none !important; }
  .hero, .board, .page-head { background: none; }
}
.span-all { grid-column: 1 / -1; }
.align-end { align-self: end; padding-bottom: 12px; }
.stage--qr > svg { width: min(100%, 340px); height: auto; }
.field__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 36px; }

/* ---------- image tools ---------- */
.stack { display: grid; gap: 18px; }

.dropzone {
  display: grid; justify-items: center; gap: 6px; text-align: center; cursor: pointer;
  padding: 28px 18px; border: 2px dashed var(--line); border-radius: var(--radius-m); background: var(--panel-2);
  transition: border-color 120ms ease, background-color 120ms ease, box-shadow 120ms ease;
}
.dropzone:hover { border-color: var(--ink-3); background: var(--panel); }
.dropzone.is-over { border-color: var(--ink); background: var(--panel); box-shadow: 0 0 0 4px var(--tag); }
.dropzone:focus-within { outline: 3px solid var(--focus); outline-offset: 2px; }
.dropzone__icon { width: 34px; height: 34px; fill: none; stroke: var(--ink); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 2px; }
.dropzone__title { font-weight: 750; font-stretch: 108%; font-size: 1.05rem; }
.dropzone__hint { font-size: var(--step--1); color: var(--ink-3); max-width: 46ch; }

.files-empty { display: grid; justify-items: start; gap: 12px; padding: 18px; border: 1px dashed var(--line); border-radius: var(--radius-s); color: var(--ink-2); }

.batch-bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px;
  padding: 10px 12px 10px 14px; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-s);
}
.batch-bar__summary { font-weight: 650; font-variant-numeric: tabular-nums; min-width: 0; }

.image-preview { display: grid; gap: 10px; }
.stage.stage--image { min-height: 200px; padding: 12px; }
.stage.stage--image > img { max-height: 320px; width: auto; max-width: 100%; object-fit: contain; image-rendering: auto; }
.image-preview__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; }
.image-preview__caption { font-size: var(--step--1); color: var(--ink-2); font-variant-numeric: tabular-nums; min-width: 0; overflow-wrap: anywhere; }
[data-compare][aria-pressed='true'] { background: var(--ink); color: var(--panel); border-color: var(--ink); }

.files { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; max-height: 420px; overflow-y: auto; }
.file { display: flex; align-items: center; gap: 6px; padding: 6px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--panel); }
.file.is-selected { border-color: var(--line-strong); background: var(--panel-2); }
.file__select {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 12px; padding: 2px; border: 0; border-radius: 4px;
  background: none; color: inherit; font: inherit; text-align: left; cursor: pointer;
}
.file__thumb { flex: none; width: 52px; height: 52px; border-radius: 4px; object-fit: cover; background: var(--panel-2); border: 1px solid var(--line); }
.file__text { display: grid; gap: 1px; min-width: 0; }
.file__name { font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file__meta { font-size: var(--step--1); color: var(--ink-2); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.file__note { font-size: var(--step--1); color: var(--ink-3); }
.file__note--good { color: var(--ok); font-weight: 650; }
.file__note--error { color: var(--err); }
.file__actions { flex: none; display: flex; align-items: center; gap: 2px; }
.icon-button {
  display: inline-grid; place-items: center; width: 36px; height: 36px; border: 0; border-radius: var(--radius-s);
  background: transparent; color: var(--ink-2); cursor: pointer;
}
.icon-button:hover { background: var(--panel-2); color: var(--ink); }
.icon-button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
@media (max-width: 520px) {
  .file { flex-wrap: wrap; }
  .file__select { flex-basis: 100%; }
  .file__thumb { width: 44px; height: 44px; }
  .file__actions { margin-left: auto; }
}

/* ---------- calculators ---------- */
.calc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr)); gap: 20px; align-items: start; }
.calc-grid--two { grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr)); }
.calc-grid > .panel + .panel { margin-top: 0; }
.sentence { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; font-size: 1.05rem; line-height: 1.4; }
.input.input--inline { width: 7.5em; min-height: 42px; }
.select.select--inline { width: auto; min-height: 42px; }

.answer {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 12px;
  padding: 12px 14px; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-s);
}
.answer__value { font-size: 1.75rem; font-weight: 800; font-stretch: 112%; letter-spacing: -0.02em; line-height: 1.15; font-variant-numeric: tabular-nums; min-width: 0; overflow-wrap: anywhere; }
.answer__formula { flex-basis: 100%; margin: 0; font-family: var(--mono); font-size: var(--step--1); color: var(--ink-3); overflow-wrap: anywhere; }
.answer--error .answer__value { font-size: 1rem; font-weight: 650; font-stretch: 100%; letter-spacing: 0; color: var(--err); }
.answer--hero { background: var(--tag); border-color: var(--tag-deep); color: var(--tag-ink); }
.answer--hero .answer__value { font-size: clamp(1.8rem, 1.3rem + 2vw, 2.6rem); }
.answer--hero .answer__formula { color: var(--tag-ink); }
.answer--hero .button--quiet { background: transparent; color: var(--tag-ink); border-color: var(--tag-ink); }
.answer--hero.answer--error { background: var(--panel-2); border-color: var(--line); }

.table-wrap { overflow: auto; max-height: 460px; border: 1px solid var(--line); border-radius: var(--radius-s); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.93rem; font-variant-numeric: tabular-nums; }
.data-table th, .data-table td { padding: 8px 12px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
.data-table th:first-child, .data-table td:first-child { text-align: left; }
.data-table thead th { position: sticky; top: 0; z-index: 1; background: var(--panel-2); color: var(--ink-2); font-weight: 650; }
.data-table tbody tr:last-child td { border-bottom: 0; }

.duration-rows { display: grid; gap: 8px; }
.duration-row { display: grid; grid-template-columns: 4.6em repeat(3, minmax(0, 1fr)) 36px; gap: 8px; align-items: center; }
.duration-row--head { font-size: var(--step--1); font-weight: 650; color: var(--ink-2); }
.duration-row .input, .duration-row .select { min-height: 42px; }
@media (max-width: 420px) { .duration-row { grid-template-columns: 4em repeat(3, minmax(0, 1fr)) 32px; gap: 6px; } }
.inline-fields { display: flex; flex-wrap: wrap; align-items: end; gap: 10px 12px; }
.inline-fields .field { flex: 1 1 110px; }
.schedule { margin-top: 20px; }

/* ---------- everyday tools: shared ---------- */
.button--big { min-height: 54px; padding: 12px 28px; font-size: 1.1rem; }
.button--wide { width: 100%; }
.actions--center { justify-content: center; }
.big-result { margin: 0; text-align: center; font-size: clamp(1.8rem, 1.2rem + 2.4vw, 2.6rem); font-weight: 800; font-stretch: 115%; letter-spacing: -0.02em; line-height: 1.15; }
.history { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-s); max-height: 320px; overflow: auto; }
.history li { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 2px 12px; padding: 8px 12px; border-bottom: 1px solid var(--line); }
.history li:last-child { border-bottom: 0; }
.history__value { font-weight: 700; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; min-width: 0; }
.history__note { color: var(--ink-3); font-size: var(--step--1); overflow-wrap: anywhere; min-width: 0; }
@keyframes pop-in { from { transform: scale(0.9); opacity: 0.4; } to { transform: none; opacity: 1; } }

/* ---------- coin ---------- */
.coin-stage { display: grid; justify-items: center; padding-block: 24px 4px; }
.coin-lift { perspective: 900px; }
.coin { width: min(210px, 56vw); aspect-ratio: 1; position: relative; transform-style: preserve-3d; transition: transform 1.2s cubic-bezier(0.2, 0.75, 0.25, 1); }
.coin__face {
  position: absolute; inset: 0; border-radius: 50%; display: grid; place-content: center; justify-items: center; gap: 4px;
  backface-visibility: hidden; -webkit-backface-visibility: hidden; color: var(--tag-ink);
  background: radial-gradient(circle at 34% 28%, #ffe7a3 0%, #ffc83d 42%, #d9a20f 100%);
  border: 7px solid #c48f0a; box-shadow: inset 0 0 0 3px rgba(255, 244, 205, 0.6), 0 2px 0 #9c7206;
}
.coin__face::before { content: ''; position: absolute; inset: 12px; border-radius: 50%; border: 4px dotted rgba(36, 27, 0, 0.32); }
.coin__face--tails { transform: rotateY(180deg); background: radial-gradient(circle at 34% 28%, #fff0c2 0%, #f4c24a 45%, #c9950d 100%); }
.coin__letter { font-size: clamp(4rem, 2.6rem + 5vw, 5.6rem); font-weight: 900; font-stretch: 125%; line-height: 0.9; }
.coin__word { font-size: 0.78rem; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; }
.coin-shadow { width: 62%; max-width: 150px; height: 14px; margin-top: 14px; border-radius: 50%; background: radial-gradient(closest-side, rgba(0, 0, 0, 0.28), transparent); }
.coin-stage.is-tossing .coin-lift { animation: coin-toss 1.2s cubic-bezier(0.3, 0.6, 0.35, 1); }
.coin-stage.is-tossing .coin-shadow { animation: coin-shadow 1.2s cubic-bezier(0.3, 0.6, 0.35, 1); }
@keyframes coin-toss { 0% { transform: none; } 40% { transform: translateY(-70px) scale(1.06); } 100% { transform: none; } }
@keyframes coin-shadow { 0% { transform: none; opacity: 1; } 40% { transform: scale(0.55); opacity: 0.45; } 100% { transform: none; opacity: 1; } }
.big-result[data-side] { animation: pop-in 0.25s ease-out; }
.flip-log { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.flip-log__item { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 0.8rem; border: 1.5px solid var(--line); background: var(--panel-2); color: var(--ink); }
.flip-log__item--heads { background: var(--tag); color: var(--tag-ink); border-color: var(--tag-deep); }
.flip-log__empty { color: var(--ink-3); }

/* ---------- random number ---------- */
.draw { min-height: 170px; display: grid; place-items: center; padding: 20px; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-s); }
.draw__empty { margin: 0; color: var(--ink-3); text-align: center; }
.draw__single { font-size: clamp(3.2rem, 2rem + 6vw, 6rem); font-weight: 900; font-stretch: 115%; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; text-align: center; min-width: 0; max-width: 100%; }
.draw__single.is-final { animation: pop-in 0.25s ease-out; }
.number-list { list-style: none; margin: 0; padding: 0; width: 100%; max-height: 340px; overflow: auto; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.number-list li { min-width: 3.1em; padding: 8px 12px; text-align: center; background: var(--panel); border: 1.5px solid var(--line-strong); border-radius: 999px; font-weight: 800; font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.draw .textarea { width: 100%; }

/* ---------- dice ---------- */
.dice-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.dice-layout > .panel + .panel { margin-top: 0; }
@media (max-width: 900px) { .dice-layout { grid-template-columns: minmax(0, 1fr); } }
.dice-tray { min-height: 230px; display: flex; flex-wrap: wrap; align-content: center; justify-content: center; gap: 14px; padding: 20px; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-s); }
.die { width: 86px; aspect-ratio: 1; }
.dice-tray[data-size='m'] .die { width: 62px; }
.dice-tray[data-size='s'] .die { width: 44px; }
.dice-tray[data-size='s'] { gap: 8px; }
.die svg { display: block; width: 100%; height: 100%; overflow: visible; }
.die__body { fill: var(--tag); stroke: var(--tag-ink); stroke-width: 4; stroke-linejoin: round; }
.die__edge { fill: none; stroke: var(--tag-ink); stroke-opacity: 0.35; stroke-width: 2.5; stroke-linejoin: round; }
.die__pip { fill: var(--tag-ink); }
.die__num { fill: var(--tag-ink); font-family: var(--font); font-weight: 850; font-stretch: 110%; }
.dice-tray.is-rolling .die { animation: die-tumble 0.5s ease-out; }
.dice-tray.is-rolling .die:nth-child(2n) { animation-delay: 50ms; }
.dice-tray.is-rolling .die:nth-child(3n) { animation-direction: reverse; }
@keyframes die-tumble { 0% { transform: translateY(-12px) rotate(-28deg); } 55% { transform: translateY(2px) rotate(12deg); } 100% { transform: none; } }
.dice-total { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 6px 16px; }
.dice-total > div { min-width: 0; }
.dice-total__label { margin: 0; font-size: var(--step--1); font-weight: 700; color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.08em; }
.dice-total__value { display: block; font-size: clamp(2.6rem, 2rem + 3vw, 3.6rem); font-weight: 900; font-stretch: 115%; line-height: 1; font-variant-numeric: tabular-nums; }
.dice-total__breakdown { margin: 0; min-width: 0; max-width: 100%; font-family: var(--mono); font-size: var(--step--1); color: var(--ink-3); overflow-wrap: anywhere; }
.stepper { display: grid; grid-template-columns: 48px minmax(0, 1fr) 48px; gap: 8px; max-width: 240px; }
.stepper__btn { padding: 0; font-size: 1.35rem; }
.stepper__input { text-align: center; font-weight: 700; }
.segmented--fill { display: flex; }
.segmented--fill label { flex: 1 1 auto; text-align: center; }

/* ---------- stopwatch and timer ---------- */
.clock { max-width: 780px; margin-inline: auto; display: grid; gap: 16px; }
.clock__modes { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.segmented--big label { padding: 9px 22px; font-size: 1rem; }
.clock__panel { justify-items: center; text-align: center; padding-block: 28px; }
.clock-face { display: flex; align-items: baseline; justify-content: center; max-width: 100%; }
.clock-digits { font-size: clamp(3.4rem, 1.4rem + 9vw, 7.5rem); font-weight: 800; font-stretch: 110%; letter-spacing: -0.02em; line-height: 1; font-variant-numeric: tabular-nums; white-space: nowrap; }
.clock-digits--small { font-size: clamp(1.8rem, 0.9rem + 4vw, 3.4rem); color: var(--ink-2); }
.clock-sub { margin: 0; min-height: 1.5em; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.clock__main-btn { min-width: 8.5em; }
.clock__main-btn.is-running { background: var(--ink); color: var(--panel); border-color: var(--ink); box-shadow: 0 3px 0 var(--ink-3); }
.clock__main-btn.is-running:hover { background: var(--ink-2); }
.kbd-hint { margin: 0; max-width: 60ch; font-size: var(--step--1); color: var(--ink-3); }
.kbd-hint kbd, .prose kbd, .steps kbd { font-family: var(--mono); font-size: 0.85em; padding: 1px 6px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; background: var(--panel-2); color: var(--ink); }
.laps { width: 100%; display: grid; gap: 10px; text-align: left; }
.lap-tag { display: inline-block; margin-left: 6px; padding: 0 6px; border: 1px solid currentColor; border-radius: 4px; font-size: 0.75rem; font-weight: 700; }
.lap-tag--fast { color: var(--ok); }
.lap-tag--slow { color: var(--err); }
.timer-setup { width: 100%; display: grid; gap: 14px; justify-items: center; }
.timer-setup[disabled] { opacity: 0.55; }
.timer-inputs { display: grid; grid-template-columns: repeat(3, minmax(0, 112px)); gap: 12px; justify-content: center; width: 100%; }
.timer-inputs .input { text-align: center; font-size: 1.25rem; font-weight: 700; }
.timer-setup .chips { justify-content: center; }
.timer-ring { position: relative; width: min(340px, 78vw); aspect-ratio: 1; }
.timer-ring svg { display: block; width: 100%; height: 100%; transform: rotate(-90deg); }
.timer-ring__track { fill: none; stroke: var(--line); stroke-width: 7; }
.timer-ring__bar { fill: none; stroke: var(--tag); stroke-width: 7; stroke-linecap: round; stroke-dasharray: 1000; transition: stroke-dashoffset 0.25s linear; }
.timer-ring__center { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 6px; padding: 12%; }
.timer-ring .clock-digits { font-size: clamp(2.6rem, 1.6rem + 5vw, 4.4rem); }
.timer-ring .clock-digits.is-long { font-size: clamp(2rem, 1.2rem + 4vw, 3.3rem); }
.timer-ring.is-done .clock-digits { color: var(--err); animation: blink 0.8s steps(2, jump-none) infinite alternate; }
.timer-ring.is-done .timer-ring__track { stroke: var(--err); }
@keyframes blink { from { opacity: 1; } to { opacity: 0.35; } }
.clock__panel:fullscreen { background: var(--panel); place-content: center; padding: 4vmin; overflow: auto; border: 0; border-radius: 0; }
.clock__panel:fullscreen .clock-digits { font-size: min(19vw, 34vh); }
.clock__panel:fullscreen .clock-digits--small { font-size: min(9vw, 15vh); }
.clock__panel:fullscreen .timer-ring { width: min(78vh, 90vw); }
.clock__panel:fullscreen .timer-ring .clock-digits { font-size: min(14vw, 15vh); }
.clock__panel:fullscreen .timer-ring .clock-digits.is-long { font-size: min(10vw, 11vh); }
.clock__panel:fullscreen .kbd-hint, .clock__panel:fullscreen .timer-setup { display: none; }
@media (max-width: 420px) { .segmented--big label { padding: 8px 16px; } .clock__main-btn { min-width: 0; } .clock .button--big { padding-inline: 16px; } }

/* ---------- spin the wheel ---------- */
.workspace--wheel { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); }
@media (max-width: 900px) { .workspace--wheel { grid-template-columns: minmax(0, 1fr); } }
.wheel { position: relative; width: min(100%, 540px); aspect-ratio: 1; margin-inline: auto; overflow: hidden; }
.wheel__disc { position: absolute; inset: 4%; display: block; width: 92%; height: 92%; transform-origin: 50% 50%; will-change: transform; }
.wheel__slice { stroke: #1b232c; stroke-opacity: 0.28; stroke-width: 0.6; }
.wheel__label { fill: #1b232c; font-family: var(--font); font-weight: 700; }
.wheel__rim { fill: none; stroke: var(--line-strong); stroke-width: 3; }
.wheel__empty { fill: var(--panel-2); }
.wheel__empty-text { fill: var(--ink-3); font-family: var(--font); font-size: 9px; font-weight: 600; }
.wheel__pointer { position: absolute; top: 0; left: 50%; width: 9%; transform: translateX(-50%); overflow: visible; filter: drop-shadow(0 2px 0 rgba(0, 0, 0, 0.25)); }
.wheel__pointer path { fill: var(--ink); stroke: var(--panel); stroke-width: 3; stroke-linejoin: round; }
.wheel__hub {
  position: absolute; left: 50%; top: 50%; width: 19%; aspect-ratio: 1; transform: translate(-50%, -50%);
  border-radius: 50%; border: 3px solid var(--line-strong); background: var(--panel); color: var(--ink); cursor: pointer;
  font: inherit; font-weight: 850; font-stretch: 112%; font-size: clamp(0.8rem, 0.55rem + 0.8vw, 1.1rem); text-transform: uppercase; letter-spacing: 0.06em;
  box-shadow: 0 3px 0 var(--line-strong);
}
.wheel__hub:hover { background: var(--tag); color: var(--tag-ink); }
.wheel__hub:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.wheel__hub[disabled] { cursor: not-allowed; opacity: 0.6; }
.is-spinning .wheel__hub { pointer-events: none; }
.wheel-winner__text { display: grid; gap: 2px; min-width: 0; }
.wheel-winner__label { font-size: var(--step--1); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.wheel-winner { animation: pop-in 0.3s ease-out; }
.history--numbered { counter-reset: pick; }
.history--numbered li { justify-content: flex-start; gap: 2px 6px; }
.history--numbered li::before { counter-increment: pick; content: counter(pick) '.'; min-width: 1.8em; color: var(--ink-3); font-variant-numeric: tabular-nums; }

/* ---------- typing test ---------- */
.typing { max-width: 920px; margin-inline: auto; display: grid; gap: 16px; }
.typing__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 20px; }
.typing-live { display: flex; align-items: flex-end; gap: clamp(14px, 4vw, 36px); }
.typing-live__item { display: grid; gap: 2px; }
.typing-live__value { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2rem); font-weight: 850; font-stretch: 112%; line-height: 1.05; font-variant-numeric: tabular-nums; }
.typing-live__label { font-size: var(--step--1); color: var(--ink-2); }
.typing-live__item--time { padding: 6px 14px; border-radius: var(--radius-s); background: var(--tag); color: var(--tag-ink); }
.typing-live__item--time .typing-live__label { color: var(--tag-ink); }
.typing-words {
  position: relative; height: 5.7em; overflow: hidden; cursor: text; padding-inline: 4px;
  font-size: clamp(1.2rem, 1rem + 0.9vw, 1.55rem); line-height: 1.9;
  -webkit-mask-image: linear-gradient(to bottom, #000 66%, transparent); mask-image: linear-gradient(to bottom, #000 66%, transparent);
}
.typing-words__inner { position: relative; transition: transform 0.15s ease; }
.tw { border-radius: 4px; padding: 0 1px; }
.tw.is-current { background: var(--tag); color: var(--tag-ink); box-shadow: 0 0 0 3px var(--tag); }
.tw.is-current.has-error { background: var(--err-bg); color: var(--err); box-shadow: 0 0 0 3px var(--err-bg); }
.tw.is-right { color: var(--ok); }
.tw.is-wrong { color: var(--err); text-decoration: underline wavy; text-decoration-thickness: 1.5px; text-underline-offset: 5px; }
.typing-words.is-over { opacity: 0.55; }
.typing-entry { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
.typing-input { font-size: 1.2rem; min-height: 52px; }
.typing-results:focus { outline: none; }
.typing-results .answer__formula { font-family: var(--font); font-size: 0.95rem; }
.mistakes { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.mistakes li { display: grid; padding: 6px 10px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--panel-2); }
.mistakes__target { font-weight: 700; }
.mistakes__typed { font-size: var(--step--1); color: var(--err); overflow-wrap: anywhere; }

/* ---------- password generator ---------- */
.secret {
  display: block; min-height: 3.4em; padding: 16px 18px; border: 1.5px solid var(--line-strong); border-radius: var(--radius-s); background: var(--panel-2);
  font-family: var(--mono); font-size: clamp(1.15rem, 0.95rem + 1vw, 1.55rem); font-weight: 600; line-height: 1.45; letter-spacing: 0.02em;
  overflow-wrap: anywhere; word-break: break-all; user-select: all;
}
.secret--error { font-family: var(--font); font-size: 1rem; font-weight: 600; letter-spacing: 0; color: var(--err); border-color: var(--err); user-select: text; }
.meter__bar { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; }
.meter__bar span { height: 8px; border-radius: 4px; background: var(--line); }
.meter[data-level='0'] .meter__bar span:nth-child(-n + 1),
.meter[data-level='1'] .meter__bar span:nth-child(-n + 2) { background: var(--err); }
.meter[data-level='2'] .meter__bar span:nth-child(-n + 3) { background: var(--tag-deep); }
.meter[data-level='3'] .meter__bar span:nth-child(-n + 4),
.meter[data-level='4'] .meter__bar span { background: var(--ok); }
.meter__label { margin: 8px 0 0; }

/* ---------- chips that act as radio buttons ---------- */
.chips--radio input { position: absolute; opacity: 0; pointer-events: none; }
.chips--radio label { font-weight: 600; font-size: 0.95rem; cursor: pointer; background: var(--panel); border: 1.5px solid var(--line); border-radius: 999px; padding: 6px 14px; }
.chips--radio label:hover { border-color: var(--line-strong); }
.chips--radio input:checked + label { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.chips--radio input:focus-visible + label { outline: 3px solid var(--focus); outline-offset: 2px; }
.stack > .panel + .panel { margin-top: 0; }

/* ---------- JSON formatter ---------- */
:root { --j-key: #1f4fd1; --j-str: #1d7a4a; --j-num: #b0430f; --j-lit: #8a2bb0; }
@media (prefers-color-scheme: dark) { :root:not([data-theme='light']) { --j-key: #93b2ff; --j-str: #5fcf93; --j-num: #ffab70; --j-lit: #d6a8ff; } }
:root[data-theme='dark'] { --j-key: #93b2ff; --j-str: #5fcf93; --j-num: #ffab70; --j-lit: #d6a8ff; }
.workspace--even { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 900px) { .workspace--even { grid-template-columns: minmax(0, 1fr); } }
.json-input { min-height: 380px; tab-size: 2; }
.code-view {
  margin: 0; max-height: 560px; min-height: 120px; overflow: auto; padding: 14px 16px; tab-size: 4;
  background: var(--code-bg); border: 1px solid var(--line); border-radius: var(--radius-s);
  font-family: var(--mono); font-size: 0.88rem; line-height: 1.55; white-space: pre; color: var(--ink);
}
.code-view:focus-visible { outline: 3px solid var(--focus); outline-offset: 1px; }
.j-key { color: var(--j-key); }
.j-str { color: var(--j-str); }
.j-num { color: var(--j-num); }
.j-lit { color: var(--j-lit); font-weight: 600; }
.message--ok { background: color-mix(in srgb, var(--ok) 10%, var(--panel)); color: var(--ink); border: 1px solid color-mix(in srgb, var(--ok) 45%, var(--panel)); }
.message--ok strong { color: var(--ok); }
.json-warn { display: block; margin-top: 4px; color: var(--ink-2); }
.json-error { display: grid; gap: 10px; justify-items: start; }
.json-error p { color: var(--ink); }
.json-error strong { color: var(--err); }
.json-error__snippet { margin: 0; max-width: 100%; overflow-x: auto; padding: 8px 10px; background: var(--panel); border-radius: 4px; font-family: var(--mono); font-size: 0.85rem; line-height: 1.5; color: var(--ink); white-space: pre; }
.json-error__gutter { color: var(--ink-3); user-select: none; }
.file-button { position: relative; overflow: hidden; }
.file-button input { position: absolute; inset: 0; opacity: 0; cursor: pointer; font-size: 0; }
.file-button:focus-within { outline: 3px solid var(--focus); outline-offset: 1px; }

/* ---------- Base64 ---------- */
.binary-result { display: grid; gap: 10px; justify-items: start; padding: 14px; min-height: 120px; align-content: start; border: 1.5px dashed var(--line); border-radius: var(--radius-s); background: var(--panel-2); }
.binary-result__img { max-width: 100%; max-height: 220px; border-radius: 4px; border: 1px solid var(--line); background: #fff; }

/* ---------- color picker ---------- */
.swatch-hero { min-height: 170px; display: grid; align-content: end; gap: 2px; padding: 16px 18px; border-radius: var(--radius-s); border: 1px solid var(--line); background-image: none; }
.swatch-hero__hex { font-family: var(--mono); font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem); font-weight: 700; letter-spacing: 0.02em; }
.swatch-hero__note { font-size: var(--step--1); font-weight: 600; }
.formats { margin: 0; display: grid; border: 1px solid var(--line); border-radius: var(--radius-s); }
.formats__row { display: grid; grid-template-columns: 6.5em minmax(0, 1fr); align-items: center; gap: 4px 12px; padding: 6px 8px 6px 12px; border-bottom: 1px solid var(--line); }
.formats__row:last-child { border-bottom: 0; }
.formats dt { font-weight: 700; font-size: 0.9rem; color: var(--ink-2); }
.formats dd { margin: 0; display: flex; align-items: center; justify-content: space-between; gap: 8px; min-width: 0; }
.formats code { font-family: var(--mono); font-size: 0.92rem; overflow-wrap: anywhere; min-width: 0; }
.shades { display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); border-radius: var(--radius-s); overflow: hidden; border: 1px solid var(--line); }
.shade { min-height: 64px; border: 0; padding: 6px 2px; display: grid; align-content: end; justify-items: center; cursor: pointer; font: inherit; }
.shade span { font-family: var(--mono); font-size: 0.62rem; writing-mode: vertical-rl; transform: rotate(180deg); opacity: 0.85; }
.shade.is-base { box-shadow: inset 0 0 0 3px currentColor; }
.shade:focus-visible { outline: 3px solid var(--focus); outline-offset: -3px; }
.image-picker { display: grid; gap: 8px; }
.image-picker__canvas { width: 100%; height: auto; border-radius: var(--radius-s); border: 1px solid var(--line); cursor: crosshair; touch-action: manipulation; }
.contrast { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 1000px) { .contrast { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .contrast__preview { grid-column: 1 / -1; grid-row: 1; } }
@media (max-width: 640px) { .contrast { grid-template-columns: minmax(0, 1fr); } }
.contrast__inputs { display: grid; gap: 14px; }
.contrast__preview { display: grid; gap: 10px; align-content: center; min-height: 200px; padding: 20px; border-radius: var(--radius-s); border: 1px solid var(--line); }
.contrast__preview p { margin: 0; }
.contrast__large { font-size: 24px; font-weight: 700; line-height: 1.25; }
.contrast__normal { font-size: 16px; line-height: 1.5; }
.contrast__ui { justify-self: start; padding: 6px 14px; border: 2px solid var(--ui, currentColor); border-radius: 6px; font-weight: 700; font-size: 15px; }
.contrast__ratio { margin: 0 0 10px; display: grid; }
.contrast__ratio output { font-size: clamp(2.2rem, 1.6rem + 2.4vw, 3rem); font-weight: 850; font-stretch: 112%; line-height: 1.05; font-variant-numeric: tabular-nums; }
.contrast__ratio span { font-size: var(--step--1); color: var(--ink-2); }
.checks-list { list-style: none; margin: 0 0 10px; padding: 0; display: grid; gap: 6px; }
.checks-list li { display: grid; grid-template-columns: 3.4em minmax(0, 1fr) auto; align-items: center; gap: 10px; font-size: 0.95rem; }
.checks-list__mark { text-align: center; font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em; padding: 2px 0; border-radius: 4px; border: 1.5px solid currentColor; }
.checks-list .is-pass .checks-list__mark { color: var(--ok); }
.checks-list .is-fail .checks-list__mark { color: var(--err); }
.checks-list__need { font-size: var(--step--1); color: var(--ink-3); white-space: nowrap; }
@media (max-width: 520px) { .formats__row { grid-template-columns: minmax(0, 1fr); gap: 2px; } .formats code { font-size: 0.86rem; } }

/* ---------- merge PDF ---------- */
.pdf-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.pdf-list:empty { display: none; }
.pdf-row { display: grid; grid-template-columns: 1.6em 44px minmax(0, 1fr) auto auto; align-items: center; gap: 4px 10px; padding: 8px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--panel); }
.pdf-row.is-broken { border-color: var(--err); }
.pdf-row__num { text-align: center; font-weight: 750; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.pdf-row__icon { width: 44px; height: 52px; display: grid; place-items: center; border-radius: 4px; background: var(--panel-2); border: 1px solid var(--line); overflow: hidden; }
.pdf-row__icon img { width: 100%; height: 100%; object-fit: cover; }
.pdf-row__icon svg { width: 24px; height: 24px; fill: none; stroke: var(--ink-2); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.pdf-row__text { display: grid; gap: 1px; min-width: 0; }
.pdf-row__name { font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pdf-row__meta { font-size: var(--step--1); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.pdf-row__error { font-size: var(--step--1); color: var(--err); }
.pdf-row__pages .input { width: 9.5em; }
.pdf-row__actions { display: flex; gap: 2px; }
.pdf-row__actions .icon-button[disabled] { opacity: 0.35; cursor: default; }
.input.input--small { min-height: 36px; padding: 6px 10px; font-size: 0.92rem; }
@media (max-width: 560px) {
  .pdf-row { grid-template-columns: 1.4em 40px minmax(0, 1fr) auto; }
  .pdf-row__pages { grid-column: 3 / -1; grid-row: 2; }
  .pdf-row__pages .input { width: 100%; }
  .pdf-row__actions { grid-column: 4; grid-row: 1; flex-direction: column; }
}
.merge-total { margin: 0; font-weight: 650; }