/* Prohori PWA. Hand-written CSS, no build step. Fonts: Geist + Geist Mono (SIL OFL), self-hosted. Icons: Phosphor (MIT). */

@font-face {
  font-family: "Geist";
  src: url("/static/fonts/geist-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/static/fonts/geist-mono-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light dark;

  /* surfaces: cool, navy-tinted neutrals taken from the app icon */
  --bg: #e9edf1;
  --surface: #f6f8fa;
  --surface-2: #dde3ea;
  --line: #c3cdd7;
  --text: #0e1823;
  --muted: #475565;

  --ink: #0f1b26;
  --on-ink: #f4f7fa;
  --amber: #f6b02a;
  --on-amber: #1c1400;

  /* signal colours: solid slabs + readable text tones + soft tints */
  --ok-solid: #0d6b3a;   --on-ok: #ffffff;
  --warn-solid: #f6b02a; --on-warn: #1c1400;
  --bad-solid: #b42318;  --on-bad: #ffffff;
  --ok-t: #0b6636;   --ok-bg: #d4e9dc;
  --warn-t: #84500a; --warn-bg: #f5e5c0;
  --bad-t: #b42318;  --bad-bg: #f3d8d3;

  --ring: var(--ink);
  --shadow: 0 1px 1px rgba(15, 27, 38, .06), 0 10px 24px -12px rgba(15, 27, 38, .22);

  --r: 14px;
  --gutter: 16px;
  --sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.16, 1, .3, 1);

  --t-hero: clamp(5.5rem, 28vw, 8rem);
  --t-slab: clamp(1.75rem, 8.4vw, 2.25rem);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a121a;
    --surface: #111c27;
    --surface-2: #1a2838;
    --line: #263648;
    --text: #e8eef4;
    --muted: #9db0c1;

    --ink: #e8eef4;
    --on-ink: #0a121a;
    --amber: #ffbf3c;

    --ok-solid: #46d27a;   --on-ok: #04210f;
    --warn-solid: #ffbf3c; --on-warn: #1c1400;
    --bad-solid: #ff7a6e;  --on-bad: #2b0805;
    --ok-t: #5ee08f;   --ok-bg: #10281b;
    --warn-t: #ffc84d; --warn-bg: #2d2310;
    --bad-t: #ff9188;  --bad-bg: #331816;

    --shadow: 0 1px 1px rgba(0, 0, 0, .4), 0 10px 24px -12px rgba(0, 0, 0, .7);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scrollbar-color: var(--line) transparent; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.45 var(--sans);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
[hidden] { display: none !important; }
h1, h2, h3, p, dl, dd, figure { margin: 0; }
::selection { background: var(--amber); color: var(--on-amber); }
:focus-visible { outline: 3px solid var(--ring); outline-offset: 3px; }
.ic { width: 1.25em; height: 1.25em; flex: none; fill: currentColor; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(10px + env(safe-area-inset-top)) var(--gutter) 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { border-radius: 10px; display: block; flex: none; }
.brand h1 { font-size: 1.0625rem; font-weight: 750; letter-spacing: .18em; line-height: 1.1; }
.brand p { font-size: .78rem; color: var(--muted); line-height: 1.3; margin-top: 2px; }

@media (max-width: 479px) { #btn-new { padding: 0; width: 48px; } #btn-new span { display: none; } }

main { width: 100%; max-width: 1120px; margin: 0 auto; padding: 14px var(--gutter) 24px; flex: 1; }

/* ---------- buttons ---------- */
.btn {
  appearance: none; border: 1.5px solid var(--line); background: var(--surface); color: var(--text);
  font: inherit; font-weight: 600; font-size: .96rem; border-radius: var(--r); padding: 12px 16px; min-height: 52px;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px; cursor: pointer;
  -webkit-tap-highlight-color: transparent; text-align: center; line-height: 1.2;
  transition: transform .12s var(--ease), background-color .15s;
}
.btn:active { transform: scale(.98); }
@media (hover: hover) { .btn:hover { background: var(--surface-2); } }
.btn.primary { background: var(--ink); color: var(--on-ink); border-color: var(--ink); width: 100%; min-height: 60px; font-size: 1.1rem; font-weight: 650; }
@media (hover: hover) { .btn.primary:hover { background: var(--ink); filter: brightness(1.18); } }
.btn.quiet { background: transparent; }
.btn.small { min-height: 48px; padding: 8px 14px; font-size: .92rem; }
.btn[disabled] { opacity: .5; pointer-events: none; }

/* ---------- capture ---------- */
.capture { display: block; }
.capture-side { display: none; }

.stage {
  position: relative; border-radius: var(--r); overflow: hidden; background: #060a0f;
  aspect-ratio: 4 / 5; max-height: 50dvh; width: 100%; box-shadow: var(--shadow);
}
.stage video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.reticle { position: absolute; inset: 8%; pointer-events: none; }
.reticle span { position: absolute; width: 30px; height: 30px; border: 3px solid var(--amber); }
.reticle span:nth-child(1) { top: 0; left: 0; border-right: 0; border-bottom: 0; border-top-left-radius: 6px; }
.reticle span:nth-child(2) { top: 0; right: 0; border-left: 0; border-bottom: 0; border-top-right-radius: 6px; }
.reticle span:nth-child(3) { bottom: 0; left: 0; border-right: 0; border-top: 0; border-bottom-left-radius: 6px; }
.reticle span:nth-child(4) { bottom: 0; right: 0; border-left: 0; border-top: 0; border-bottom-right-radius: 6px; }
.stage-tip {
  position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); width: max-content; max-width: calc(100% - 28px);
  background: rgba(6, 10, 15, .78); color: #fff; font-size: .875rem; font-weight: 500; padding: 7px 14px; border-radius: 999px; text-align: center;
}
.cam-msg {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; text-align: center; gap: 8px; padding: 24px;
  background: #0d1722; color: #c9d6e2;
}
.cam-msg strong { font-size: 1.25rem; font-weight: 650; color: #fff; letter-spacing: -.01em; }
.cam-msg span { font-size: .96rem; color: #a9bbcb; max-width: 30ch; }
.cam-msg .btn { margin-top: 10px; background: #fff; color: #0e1823; border-color: #fff; }

.controls { display: grid; grid-template-columns: 1fr 104px 1fr; align-items: start; gap: 10px; margin-top: 16px; }
.btn.tool { flex-direction: column; gap: 6px; min-height: 76px; padding: 10px 6px; font-size: .84rem; align-self: center; }
.btn.tool .ic { width: 26px; height: 26px; }
.shutter-wrap { display: grid; justify-items: center; gap: 6px; }
.shutter {
  appearance: none; width: 88px; height: 88px; border-radius: 50%; padding: 0; cursor: pointer;
  background: var(--amber); color: var(--on-amber);
  border: 0; display: grid; place-items: center;
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 7px var(--ink);
  margin: 7px;
  -webkit-tap-highlight-color: transparent;
  transition: transform .12s var(--ease);
}
.shutter .ic { width: 38px; height: 38px; }
.shutter:active { transform: scale(.94); }
.shutter:focus-visible { outline-offset: 12px; }
.shutter[disabled] { opacity: .5; }
.shutter-label { font-size: .9rem; font-weight: 700; letter-spacing: .02em; }

.opts { display: grid; gap: 10px; margin-top: 14px; }
.gallery { width: 100%; }
.field {
  position: relative; display: flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 14px;
  background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--r);
}
.field:focus-within { outline: 3px solid var(--ring); outline-offset: 3px; }
.field select {
  appearance: none; -webkit-appearance: none; border: 0; background: transparent; color: var(--text);
  font: inherit; font-weight: 600; font-size: .96rem; flex: 1; min-width: 0; min-height: 48px; padding: 0 28px 0 0; cursor: pointer; outline: none;
}
.field select option { background: var(--surface); color: var(--text); }
.field .caret { position: absolute; right: 14px; pointer-events: none; color: var(--muted); width: 1em; height: 1em; }

/* ---------- result: banner (agent instruction) ---------- */
.result { display: flex; flex-direction: column; }
.r-main { display: contents; }
.r-main > .banner { order: 1; }
.r-main > .hero { order: 2; }
.r-main > .gate { order: 3; }
.r-main > .picker { order: 4; }
.fig-col { order: 5; }
.r-main > .gauges { order: 6; }
.trace-panel { order: 7; }
.result-actions { order: 8; }
.banner {
  border-radius: var(--r); padding: 18px 18px 16px;
  background: var(--surface-2); color: var(--text);
  box-shadow: var(--shadow);
}
.banner.ok { background: var(--ok-solid); color: var(--on-ok); }
.banner.warn { background: var(--warn-solid); color: var(--on-warn); }
.banner.bad { background: var(--bad-solid); color: var(--on-bad); }
.banner-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.banner-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 10px; border-radius: 999px;
  background: color-mix(in srgb, currentColor 16%, transparent); font-weight: 700; font-size: .95rem; letter-spacing: -.005em;
}
.banner-chip .ic { width: 22px; height: 22px; }
.banner-step { font-family: var(--mono); font-size: .8rem; font-weight: 500; opacity: .82; }
.banner-text { font-size: var(--t-slab); font-weight: 650; line-height: 1.14; letter-spacing: -.028em; margin-top: 14px; overflow-wrap: anywhere; text-wrap: balance; }
.banner-why { font-size: 1rem; line-height: 1.4; margin-top: 10px; opacity: .88; overflow-wrap: anywhere; }
.banner-meta { display: flex; flex-wrap: wrap; gap: 2px 14px; font-family: var(--mono); font-size: .75rem; margin-top: 14px; padding-top: 12px; border-top: 1px solid color-mix(in srgb, currentColor 22%, transparent); opacity: .85; }
.banner-meta span { white-space: nowrap; }
.banner-meta b { font-weight: 600; }

/* ---------- result: hero measurement ---------- */
.hero { padding: 22px 2px 6px; }
.hero-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.hero-id { font-family: var(--mono); font-size: .95rem; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; font-weight: 700; padding: 6px 12px 6px 9px; border-radius: 999px; white-space: nowrap; }
.badge .ic { width: 18px; height: 18px; }
.badge.ok { background: var(--ok-bg); color: var(--ok-t); }
.badge.warn { background: var(--warn-bg); color: var(--warn-t); }
.hero-num { display: flex; align-items: baseline; gap: .06em; margin-top: 2px; line-height: .92; }
.hero-num .n { font-size: var(--t-hero); font-weight: 600; letter-spacing: -.045em; font-feature-settings: "tnum" 1; }
.hero-num .n.none { font-size: 3rem; letter-spacing: -.03em; color: var(--muted); }
.hero-num .u { font-size: clamp(1.5rem, 7vw, 2.25rem); font-weight: 500; color: var(--muted); letter-spacing: -.02em; margin-left: .15em; }
.hero-pm { display: flex; align-items: baseline; gap: 10px; margin-top: 10px; }
.hero-pm .pm { font-size: clamp(1.75rem, 8vw, 2.5rem); font-weight: 600; letter-spacing: -.035em; }
.hero-pm .pm-note { font-size: .95rem; color: var(--muted); font-weight: 500; }
.hero-sub { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-top: 14px; font-size: .92rem; color: var(--muted); }
.hero-sub b { font-family: var(--mono); font-weight: 600; color: var(--text); font-size: .95rem; }
.hero.swap .hero-num, .hero.swap .hero-pm { animation: swap .38s var(--ease); }

.gate { margin-top: 12px; display: grid; gap: 8px; }
.gate:empty { display: none; }
.reason {
  display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px; border-radius: var(--r);
  background: var(--warn-bg); color: var(--text); font-size: .98rem; font-weight: 550; line-height: 1.35;
}
.reason .ic { color: var(--warn-t); width: 22px; height: 22px; margin-top: 0; }
.reason.bad { background: var(--bad-bg); }
.reason.bad .ic { color: var(--bad-t); }
.reason small { display: block; color: var(--muted); font-weight: 450; font-size: .85rem; margin-top: 2px; overflow-wrap: anywhere; }

/* ---------- result: crack picker ---------- */
.picker { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 20px; }
.picker:empty { display: none; }
.tile {
  appearance: none; font: inherit; color: inherit; text-align: left; cursor: pointer;
  display: grid; gap: 1px; padding: 9px 10px 10px; min-height: 76px; align-content: start;
  background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--r);
  -webkit-tap-highlight-color: transparent;
  transition: border-color .15s, transform .12s var(--ease);
}
.tile:active { transform: scale(.97); }
.tile[aria-pressed="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); background: var(--surface); }
.tile-id { font-family: var(--mono); font-size: .75rem; font-weight: 600; color: var(--muted); }
.tile-w { font-size: 1.5rem; font-weight: 650; letter-spacing: -.035em; line-height: 1.1; }
.tile-u { font-family: var(--mono); font-size: .72rem; color: var(--muted); }
.tile[aria-pressed="true"] .tile-id { color: var(--text); }

/* ---------- result: capture quality gauges ---------- */
.gauges { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 12px; }
.gauges:empty { display: none; }
.gauge {
  display: grid; gap: 2px; padding: 12px 14px 12px; border-radius: var(--r);
  background: var(--surface); border: 1.5px solid transparent;
}
.gauge:last-child:nth-child(odd) { grid-column: 1 / -1; }
.gauge.fail { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn-t) 45%, transparent); }
.gauge-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: .84rem; font-weight: 600; color: var(--muted); }
.gauge-top .ic { width: 18px; height: 18px; color: var(--ok-t); }
.gauge.fail .gauge-top .ic { color: var(--warn-t); }
.gauge.fail .gauge-top { color: var(--text); }
.gauge-v { font-family: var(--mono); font-size: 1.75rem; font-weight: 600; letter-spacing: -.04em; line-height: 1.15; }
.gauge-v small { font-size: .85rem; font-weight: 500; color: var(--muted); letter-spacing: 0; margin-left: 3px; }
.gauge-n { font-size: .8rem; color: var(--muted); }
.gauge.fail .gauge-n { color: var(--text); }

/* ---------- result: annotated overlay ---------- */
.overlay-wrap { margin: 20px 0 0; border-radius: var(--r); overflow: hidden; background: #060a0f; box-shadow: var(--shadow); position: relative; }
.overlay-wrap img { display: block; width: 100%; height: auto; cursor: zoom-in; }
.overlay-wrap.zoom { overflow: auto; max-height: 78dvh; -webkit-overflow-scrolling: touch; }
.overlay-wrap.zoom img { width: 220%; max-width: none; cursor: zoom-out; }
.overlay-wrap figcaption {
  position: absolute; left: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; font-weight: 600; color: #fff; background: rgba(6, 10, 15, .78); padding: 6px 12px 6px 9px; border-radius: 999px; pointer-events: none;
}
.overlay-wrap figcaption .ic { width: 16px; height: 16px; }
.overlay-wrap.zoom figcaption { display: none; }

/* ---------- agent trace ---------- */
.trace-panel { margin-top: 28px; padding-top: 4px; border-top: 2px solid var(--ink); }
.trace-panel summary { cursor: pointer; padding: 14px 0 6px; display: flex; align-items: center; gap: 10px; list-style: none; min-height: 52px; }
.trace-panel summary::-webkit-details-marker { display: none; }
.trace-title { font-size: 1.5rem; font-weight: 650; letter-spacing: -.03em; }
.trace-panel summary small { font-family: var(--mono); font-size: .8rem; color: var(--muted); margin-left: auto; }
.trace-panel summary .caret { width: 1.1em; height: 1.1em; color: var(--muted); transition: transform .25s var(--ease); }
.trace-panel:not([open]) summary .caret { transform: rotate(-90deg); }
.trace-lede { color: var(--muted); font-size: .96rem; line-height: 1.45; max-width: 62ch; }

.timeline { list-style: none; margin: 22px 0 0; padding: 0; }
.step { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 0 14px; padding-bottom: 26px; }
.step:last-child { padding-bottom: 4px; }
.step::after { content: ""; position: absolute; left: 19px; top: 44px; bottom: 4px; width: 2px; background: var(--line); }
.step:last-child::after { display: none; }
.step-n {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--mono); font-weight: 600; font-size: 1.05rem;
  border: 2px solid var(--ink); background: var(--bg); color: var(--text);
}
.step.cur .step-n { background: var(--ink); color: var(--on-ink); }
.step-body { min-width: 0; display: grid; gap: 12px; }
.step-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; font-family: var(--mono); font-size: .75rem; color: var(--muted); min-height: 40px; align-content: center; }
.step-meta b { color: var(--text); font-weight: 600; }
.step-meta .now { background: var(--ink); color: var(--on-ink); font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.step-meta .fb { color: var(--warn-t); font-weight: 600; }
.step-obs { display: flex; flex-wrap: wrap; gap: 6px; align-content: flex-start; }
.ochip { display: inline-flex; align-items: baseline; gap: 6px; padding: 6px 11px; border-radius: 999px; background: var(--surface); border: 1.5px solid var(--line); font-size: .84rem; color: var(--muted); }
.ochip b { font-family: var(--mono); font-weight: 600; font-size: .86rem; color: var(--text); }
.ochip .d { font-family: var(--mono); font-size: .76rem; font-weight: 600; }
.ochip .d.good { color: var(--ok-t); }
.ochip .d.worse { color: var(--bad-t); }
.ochip .d.flat { color: var(--muted); }
.ochip.fail { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn-t) 45%, transparent); }
.flow { width: 22px; height: 22px; color: var(--muted); transform: rotate(90deg); margin: -2px 0 -2px 6px; }

.act { border-radius: var(--r); padding: 14px 16px 14px; background: var(--surface-2); }
.act.ok { background: var(--ok-bg); }
.act.warn { background: var(--warn-bg); }
.act.bad { background: var(--bad-bg); }
.act-head { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: .95rem; }
.act.ok .act-head { color: var(--ok-t); }
.act.warn .act-head { color: var(--warn-t); }
.act.bad .act-head { color: var(--bad-t); }
.act-head .ic { width: 20px; height: 20px; }
.act-code { margin-left: auto; font-family: var(--mono); font-weight: 500; font-size: .72rem; color: var(--muted); overflow-wrap: anywhere; text-align: right; }
.act-instr { margin-top: 8px; font-size: 1.25rem; font-weight: 600; line-height: 1.25; letter-spacing: -.02em; overflow-wrap: anywhere; text-wrap: pretty; }
.act-why { margin-top: 6px; font-size: .88rem; color: var(--muted); overflow-wrap: anywhere; }
.trace-empty { color: var(--muted); font-size: .95rem; padding: 6px 0; }


/* ---------- footer ---------- */
.foot { display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 18px; font-family: var(--mono); font-size: .75rem; color: var(--muted); padding: 10px var(--gutter) calc(16px + env(safe-area-inset-bottom)); }

/* ---------- busy ---------- */
.busy { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; background: rgba(6, 10, 16, .72); padding: 24px; }
.busy-card { background: var(--surface); border-radius: var(--r); padding: 28px 28px 24px; min-width: min(300px, 100%); box-shadow: var(--shadow); }
.busy-title { font-weight: 650; font-size: 1.5rem; letter-spacing: -.03em; margin-top: 20px; }
.busy-sub { font-family: var(--mono); color: var(--muted); font-size: .84rem; margin-top: 4px; }
.ruler {
  position: relative; height: 28px; overflow: hidden;
  background:
    repeating-linear-gradient(to right, var(--text) 0 2px, transparent 2px 12px) 0 100% / 100% 14px no-repeat,
    repeating-linear-gradient(to right, var(--text) 0 2px, transparent 2px 60px) 0 100% / 100% 26px no-repeat;
  border-bottom: 2px solid var(--text);
}
.ruler i { position: absolute; top: 0; bottom: 0; left: 0; width: 4px; background: var(--amber); border-radius: 2px; animation: scan 1.3s var(--ease) infinite alternate; }

/* ---------- samples sheet ---------- */
.sheet { border: 0; border-radius: 22px 22px 0 0; padding: 18px var(--gutter) calc(20px + env(safe-area-inset-bottom)); background: var(--bg); color: var(--text);
  width: 100%; max-width: 640px; margin: auto auto 0; max-height: 88dvh; overflow: auto; box-shadow: 0 -12px 40px rgba(0, 0, 0, .4); }
.sheet::backdrop { background: rgba(6, 10, 16, .72); }
.sheet-head { display: flex; justify-content: space-between; align-items: center; }
.sheet-head h2 { font-size: 1.75rem; font-weight: 650; letter-spacing: -.035em; }
.sheet-lede { color: var(--muted); font-size: .96rem; margin-top: 4px; }
.sample-list { display: grid; gap: 10px; margin-top: 16px; }
.sample {
  appearance: none; font: inherit; color: inherit; cursor: pointer; text-align: left; width: 100%;
  display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 14px; align-items: center; padding: 8px;
  background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--r); min-height: 88px;
  -webkit-tap-highlight-color: transparent; transition: transform .12s var(--ease), border-color .15s;
}
.sample:active { transform: scale(.985); }
@media (hover: hover) { .sample:hover { border-color: var(--ink); } }
.sample img { width: 104px; height: 78px; object-fit: cover; border-radius: 9px; background: var(--surface-2); display: block; }
.sample b { display: block; font-size: 1.05rem; font-weight: 650; letter-spacing: -.015em; line-height: 1.2; }
.sample span { display: block; font-size: .875rem; color: var(--muted); font-weight: 450; margin-top: 3px; line-height: 1.35; }

/* ---------- toast ---------- */
.toast { position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 60; width: max-content;
  background: var(--bad-solid); color: var(--on-bad); padding: 14px 20px; border-radius: var(--r); max-width: min(92vw, 520px); font-weight: 600; box-shadow: var(--shadow); text-align: center; }

/* ---------- motion ---------- */
@keyframes scan { from { transform: translateX(0); } to { transform: translateX(calc(100cqw - 4px)); } }
.busy-card { container-type: inline-size; }
@keyframes swap { from { opacity: .25; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  #view-result:not([hidden]) .banner { animation: rise .5s var(--ease) both; }
  #view-result:not([hidden]) .hero { animation: rise .55s .08s var(--ease) both; }
  #view-result:not([hidden]) .picker, #view-result:not([hidden]) .gauges, #view-result:not([hidden]) .gate { animation: rise .55s .16s var(--ease) both; }
  #view-result:not([hidden]) .overlay-wrap { animation: rise .6s .12s var(--ease) both; }
  .step { animation: rise .5s var(--ease) both; }
  .step:nth-child(2) { animation-delay: .06s; }
  .step:nth-child(3) { animation-delay: .12s; }
  .step:nth-child(n+4) { animation-delay: .18s; }
}
@media (prefers-reduced-motion: reduce) {
  .ruler i { animation: none; left: 40%; }
  .btn:active, .shutter:active, .tile:active, .sample:active { transform: none; }
}

/* ---------- laptop ---------- */
@media (min-width: 700px) {
  :root { --gutter: 28px; }
  main { padding-top: 28px; padding-bottom: 48px; }
  .stage { aspect-ratio: 16 / 10; max-height: 48dvh; }
  .banner { padding: 22px 26px 20px; }
  .banner-text { font-size: 2.25rem; }
  .sheet { border-radius: 22px; margin: auto; padding: 24px; }
  .sample { grid-template-columns: 132px minmax(0, 1fr); }
  .sample img { width: 132px; height: 99px; }
  .opts { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 900px) {
  .stage { max-height: none; }
  .capture { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 56px; align-items: start; }
  .capture-side { display: block; padding-top: 6px; }
  .capture-side h2 { font-size: clamp(2.75rem, 4.6vw, 4rem); font-weight: 650; letter-spacing: -.045em; line-height: 1; text-wrap: balance; }
  .lede { font-size: 1.125rem; line-height: 1.5; color: var(--muted); margin-top: 20px; max-width: 46ch; }
  .how { margin-top: 36px; display: grid; gap: 22px; }
  .how > div { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 16px; }
  .how dt { font-family: var(--mono); font-weight: 600; font-size: .95rem; padding-top: 2px; }
  .how dd { color: var(--muted); font-size: 1rem; line-height: 1.5; max-width: 46ch; }

  .result {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 0 48px; align-items: start;
    grid-template-areas: "main fig" "trace trace" "act act";
  }
  .r-main { display: block; grid-area: main; }
  .r-main > * { order: 0; }
  .fig-col { grid-area: fig; align-self: stretch; }
  .overlay-wrap { margin-top: 0; position: sticky; top: 96px; }
  .trace-panel { grid-area: trace; margin-top: 48px; }
  .result-actions { grid-area: act; position: static; background: none; max-width: 360px; padding: 28px 0 0; }
  .hero { padding-top: 28px; }
  .picker { grid-template-columns: repeat(4, 1fr); }
  .gauges { grid-template-columns: repeat(3, 1fr); }
  .gauge:last-child:nth-child(odd) { grid-column: auto; }

  .step { grid-template-columns: 40px minmax(0, 1fr); }
  .step-body { grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1.25fr); gap: 0 14px; }
  .step-meta { grid-column: 1 / -1; margin-bottom: 8px; }
  .flow { transform: none; margin: 8px 0 0; justify-self: center; }
}

/* ---------- live camera info + hint ---------- */
.cam-info { margin-top: 8px; font-family: var(--mono); font-size: .75rem; color: var(--muted); text-align: center; overflow-wrap: anywhere; }
.cam-hint { margin-top: 8px; padding: 10px 14px; border-radius: var(--r); background: var(--warn-bg); color: var(--text); font-size: .9rem; font-weight: 550; line-height: 1.35; }
.reason.soft { background: var(--surface); border: 1.5px solid var(--line); font-weight: 500; }
.reason.soft .ic { color: var(--muted); }

/* ---------- joint id field ---------- */
.field.joint input {
  appearance: none; -webkit-appearance: none; border: 0; background: transparent; color: var(--text); outline: none;
  font: inherit; font-weight: 600; font-size: .96rem; flex: 1; min-width: 0; min-height: 48px; padding: 0;
}
.field.joint input::placeholder { color: var(--muted); font-weight: 450; opacity: 1; }

/* ---------- escalation strip ---------- */
.esc { display: flex; align-items: flex-start; gap: 12px; margin-top: 12px; padding: 14px 16px; border-radius: var(--r); background: var(--ink); color: var(--on-ink); }
.esc .ic { width: 26px; height: 26px; margin-top: 1px; }
.esc b { display: block; font-size: 1.1rem; font-weight: 700; letter-spacing: -.015em; }
.esc span { display: block; font-size: .88rem; line-height: 1.4; opacity: .88; margin-top: 2px; }
.r-main > .esc { order: 1; }
.warnmeta { color: inherit; font-weight: 700; }

/* ---------- joint history card ---------- */
.r-main > .jcard { order: 4; }
.jcard { margin-top: 20px; padding: 16px 16px 14px; border-radius: var(--r); background: var(--surface); border: 1.5px solid var(--line); }
.jc-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.jc-id { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-weight: 600; font-size: .92rem; overflow-wrap: anywhere; }
.jc-id .ic { width: 18px; height: 18px; color: var(--muted); }
.jc-n { font-family: var(--mono); font-size: .8rem; color: var(--muted); white-space: nowrap; }
.jc-change { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 16px; margin-top: 12px; }
.jc-delta { display: flex; align-items: baseline; gap: 6px; }
.jc-delta .n { font-size: 2.5rem; font-weight: 600; letter-spacing: -.045em; line-height: 1; }
.jc-delta .u { font-size: 1.1rem; font-weight: 500; color: var(--muted); }
.jc-what b { display: block; font-size: 1rem; font-weight: 700; }
.jc-what span { font-size: .88rem; color: var(--muted); }
.jc-change.bad .jc-delta .n, .jc-change.bad .jc-what b { color: var(--bad-t); }
.jc-change.ok .jc-what b { color: var(--ok-t); }
.jc-rule, .jc-first, .jc-need { margin-top: 8px; font-size: .86rem; color: var(--muted); line-height: 1.4; }
.jc-foot { margin-top: 12px; font-size: .78rem; color: var(--muted); line-height: 1.4; padding-top: 10px; border-top: 1px solid var(--line); }
.spark { display: block; width: 100%; height: 76px; margin-top: 12px; overflow: visible; }
.spark .sp-line { fill: none; stroke: var(--line); stroke-width: 2; }
.spark .sp-bar { stroke: var(--muted); stroke-width: 2; stroke-linecap: round; }
.spark .sp-dot { fill: var(--surface); stroke: var(--text); stroke-width: 2.5; }
.spark .sp-dot.now { fill: var(--ink); }
.jc-trend { display: flex; align-items: flex-start; gap: 10px; margin-top: 12px; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); }
.jc-trend .ic { width: 22px; height: 22px; margin-top: 1px; color: var(--muted); }
.jc-trend b { display: block; font-family: var(--mono); font-size: .95rem; font-weight: 600; }
.jc-trend span { display: block; font-size: .82rem; color: var(--muted); line-height: 1.35; }
.jc-trend.bad { background: var(--bad-bg); }
.jc-trend.bad .ic, .jc-trend.bad b { color: var(--bad-t); }
.jc-trend.ok { background: var(--ok-bg); }
.jc-trend.ok .ic, .jc-trend.ok b { color: var(--ok-t); }

/* ---------- Retake bar: fixed, solid, with the page padded by exactly its height (never covers the trace) ---------- */
:root { --bar-h: 82px; }
.result { padding-bottom: calc(var(--bar-h) + env(safe-area-inset-bottom)); }
.result-actions {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; margin: 0;
  padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
  background: var(--bg); border-top: 1px solid var(--line);
}
.result-actions .btn.primary { display: flex; max-width: 1120px; margin: 0 auto; }
body:has(#view-result:not([hidden])) .foot { padding-bottom: calc(var(--bar-h) + 16px + env(safe-area-inset-bottom)); }
@media (min-width: 900px) {
  .result { padding-bottom: 0; }
  .result-actions { position: static; border-top: 0; background: none; padding: 28px 0 0; }
  .result-actions .btn.primary { margin: 0; }
  body:has(#view-result:not([hidden])) .foot { padding-bottom: calc(16px + env(safe-area-inset-bottom)); }
}
@media (min-width: 700px) { .jc-delta .n { font-size: 3rem; } }