/* bitrotlab demo. Design and its decisions: docs/BRAND.md. */

/* Self-hosted IBM Plex (web/fonts/FONTS.md): no request leaves this site. */
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/IBMPlexSans-Regular.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/IBMPlexSans-Medium.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/IBMPlexSans-SemiBold.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/IBMPlexMono-Regular.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap; src: url("../fonts/IBMPlexMono-Medium.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/IBMPlexMono-SemiBold.woff2") format("woff2"); }

:root {
  --paper: #f3f0e8;
  --card: #fbfaf6;
  --ink: #1b1a17;
  --muted: #6d675b;
  --rule: #d9d3c4;
  --rule-strong: #b9b19e;
  --signal: #d7342a;
  --signal-soft: #f6d9d5;
  --ok: #2f6b4f;
  --green: #2f7d5b;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121210; --card: #1a1a17; --ink: #ebe6da; --muted: #9b9484;
    --rule: #2e2d28; --rule-strong: #47453d; --signal: #ff5a4e; --signal-soft: #3a1d1a;
    --ok: #6fbf95; --green: #5cc08f;
  }
}
:root[data-theme="dark"] {
  --paper: #121210; --card: #1a1a17; --ink: #ebe6da; --muted: #9b9484;
  --rule: #2e2d28; --rule-strong: #47453d; --signal: #ff5a4e; --signal-soft: #3a1d1a;
  --ok: #6fbf95; --green: #5cc08f;
}
/* Logo colour option B (still open, see docs/BRAND.md): green = brand and
   healthy, red = damage and only damage. */
:root { --brand: var(--green); }

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: -1px -1px;
  background-attachment: fixed;
}
body::before { content: ""; position: fixed; inset: 0; background: var(--paper); opacity: .82; z-index: -1; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
@media (max-width: 720px) { .wrap { padding: 0 12px; } }
.mono { font-family: var(--mono); }
.label { font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* header */
header { border-bottom: 1px solid var(--rule-strong); background: var(--paper); }
.bar { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.mark { font: 600 20px/1 var(--mono); letter-spacing: -.01em; }
.mark span { color: var(--brand); }
.right { display: flex; align-items: center; gap: 22px; }
nav { display: flex; gap: 22px; }
nav a { font: 500 13px var(--mono); color: var(--muted); text-decoration: none; }
nav a[aria-current] { color: var(--ink); border-bottom: 2px solid var(--brand); padding-bottom: 3px; }
nav a + a { position: relative; }
nav a + a::before { content: "/"; position: absolute; left: -14px; color: var(--muted); opacity: .5; pointer-events: none; }
.theme {
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--rule-strong);
  background: transparent; color: var(--ink); cursor: pointer; display: grid; place-items: center;
}
.theme svg { width: 16px; height: 16px; }
.theme .moon { display: none; }
:root[data-theme="dark"] .theme .sun { display: none; }
:root[data-theme="dark"] .theme .moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme .sun { display: none; }
  :root:not([data-theme="light"]) .theme .moon { display: block; }
}

/* hero */
.hero {
  padding: 24px 0 22px; display: grid; grid-template-columns: 1fr auto; gap: 14px 36px; align-items: end;
  grid-template-areas: "lede lede" "title badge";
}
.hero .lede { grid-area: lede; }
.hero .hero-title { grid-area: title; }
.hero .local { grid-area: badge; margin-bottom: 10px; }
h1 { font: 600 clamp(36px, 5vw, 56px)/1.02 var(--sans); letter-spacing: -.03em; margin: 8px 0 0; }
h1 em { font-style: normal; position: relative; }
h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .08em; height: .12em; background: var(--signal);
  clip-path: polygon(0 0, 18% 0, 18% 100%, 23% 100%, 23% 0, 61% 0, 61% 100%, 64% 100%, 64% 0, 100% 0, 100% 100%, 0 100%);
}
.lede { color: var(--muted); margin: 0; }
.local {
  display: inline-flex; gap: 10px; align-items: center; white-space: nowrap;
  font: 500 12px var(--mono); color: var(--ok); border: 1px solid currentColor; padding: 6px 10px; border-radius: 2px;
}

/* bench */
.bench { display: grid; grid-template-columns: 1fr; gap: 20px; padding-bottom: 40px; }
.bench > *, .specimens > *, .tag > * { min-width: 0; }
.panel { background: var(--card); border: 1px solid var(--rule-strong); border-radius: 3px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--rule); gap: 10px; }
.panel-head .label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.panel-head .head-note { margin-left: auto; }
.btn.again { padding: 5px 10px; font-size: 12px; flex: none; }
.btn.again[hidden] { display: none; }
.step { font: 600 11px var(--mono); color: var(--ink); letter-spacing: .1em; white-space: nowrap; }
.panel-body { padding: 16px; }
.panel-head.sub { border-top: 1px solid var(--rule); }

/* Layout: the controls are a band across the top (01 file | 02 damage) and
   the results get the full width below. Chosen over controls-on-the-left on
   2026-10-05 for the larger previews; that layout is kept at the git tag
   layout-a-backup. */
.controls {
  display: grid; grid-template-columns: minmax(260px, 1fr) 2.2fr;
  grid-template-areas: "h1 h2" "b1 b2";
}
.controls > :nth-child(1) { grid-area: h1; }
.controls > :nth-child(2) { grid-area: b1; }
.controls > :nth-child(3) { grid-area: h2; border-top: 0; border-left: 1px solid var(--rule); }
.controls > :nth-child(4) { grid-area: b2; border-left: 1px solid var(--rule); }

/* The Break button sits inline in the band: nothing floats. "Break again"
   in the results header covers the repeat case. */
.actionbar { margin: 14px 0 0; display: flex; align-items: end; gap: 12px; flex-wrap: wrap; }
.actionbar .seedrow { margin: 0; flex: 0 1 260px; }
.actionbar .btn.primary { width: auto; flex: 1 1 220px; margin: 0; }
.actionbar .error-msg { flex-basis: 100%; margin: 0; }

@media (max-width: 880px) {
  .controls { grid-template-columns: 1fr; grid-template-areas: "h1" "b1" "h2" "b2"; }
  .controls > :nth-child(3) { border-left: 0; border-top: 1px solid var(--rule); }
  .controls > :nth-child(4) { border-left: 0; }
}

/* 01 file */
.drop {
  border: 1.5px dashed var(--rule-strong); border-radius: 3px; padding: 14px;
  display: flex; gap: 12px; align-items: center; cursor: pointer; transition: border-color .15s, background .15s;
}
.drop:hover, .drop.over { border-color: var(--brand); }
.drop.over { background: color-mix(in srgb, var(--brand) 8%, transparent); }
.drop-empty { display: grid; gap: 4px; }
.drop-empty b { font-size: 15px; }
.drop-empty span { font-size: 13px; color: var(--muted); }
.file-icon {
  width: 38px; height: 46px; border: 1.5px solid var(--ink); border-radius: 2px; position: relative; flex: none;
  font: 600 9px var(--mono); display: grid; place-items: end center; padding-bottom: 5px; text-transform: uppercase;
}
.file-icon::before {
  content: ""; position: absolute; top: -1.5px; right: -1.5px; width: 11px; height: 11px;
  background: var(--card); border-left: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink);
}
.file-name { font: 500 14px var(--mono); overflow-wrap: anywhere; }
.file-meta { font: 12px var(--mono); color: var(--muted); }
.samples { margin-top: 10px; font-size: 13px; color: var(--muted); }
.linkish { background: none; border: 0; padding: 0; font: inherit; font-family: var(--mono); color: var(--ink); text-decoration: underline; cursor: pointer; }
body.dragging .drop { border-color: var(--brand); background: color-mix(in srgb, var(--brand) 8%, transparent); }

/* 02 damage */
.presets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 4px; }
@media (max-width: 880px) { .presets { grid-template-columns: repeat(2, 1fr); } }
.preset {
  text-align: left; background: transparent; border: 1px solid var(--rule); border-radius: 3px;
  padding: 10px 12px; cursor: pointer; color: var(--ink); font: inherit;
  display: grid; grid-template-columns: 1fr auto; gap: 2px 10px;
}
.preset:hover { border-color: var(--rule-strong); }
.preset[aria-pressed="true"] { border-color: var(--signal); box-shadow: inset 3px 0 0 var(--signal); }
.preset b { font-weight: 600; font-size: 14px; }
.preset .dose { font: 12px var(--mono); color: var(--muted); align-self: center; }
.preset small { grid-column: 1 / -1; color: var(--muted); font-size: 12.5px; }

details { margin-top: 14px; border-top: 1px solid var(--rule); padding-top: 12px; }
summary { cursor: pointer; font: 500 13px var(--mono); list-style: none; display: flex; justify-content: space-between; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--muted); }
details[open] summary::after { content: "\2212"; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.field { display: grid; gap: 4px; }
.field.full { grid-column: 1 / -1; }
.field > span { font: 500 10.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.field input, .field select {
  font: 13px var(--mono); color: var(--ink); background: var(--paper);
  border: 1px solid var(--rule-strong); border-radius: 2px; padding: 7px 8px; width: 100%;
}
.field.check { display: flex; align-items: center; gap: 8px; font: 13px var(--mono); }
.field.check input { width: auto; }
.hint { font-size: 12px; color: var(--muted); margin: 8px 0 0; }

.seedrow { display: flex; gap: 8px; margin-top: 12px; align-items: end; }
.seedrow .field { flex: 1; }
.btn {
  font: 600 14px var(--mono); border-radius: 3px; padding: 11px 14px; cursor: pointer; border: 1px solid var(--ink);
  background: transparent; color: var(--ink);
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--ink); color: var(--paper); width: 100%; margin-top: 12px; padding: 13px; letter-spacing: .02em; }
.btn.primary:not(:disabled):hover { background: var(--signal); border-color: var(--signal); color: #fff; }
.btn.primary.busy { opacity: .75; cursor: progress; }
.error-msg { color: var(--signal); font: 13px/1.45 var(--mono); margin: 10px 0 0; }
.error-msg:empty { display: none; }

/* 03 result */
.specimens { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.tag { display: flex; justify-content: space-between; margin-bottom: 8px; gap: 8px; }
.tag .mono { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.specimen.damaged .tag .label:first-child { color: var(--signal); }
.stage {
  position: relative; min-height: 220px; border: 1px solid var(--rule-strong); background: var(--paper);
  display: grid; place-items: center; overflow: hidden;
}
.stage img, .stage canvas, .stage video { display: block; max-width: 100%; max-height: min(68vh, 760px); width: auto; height: auto; }
/* A checkerboard behind images, so transparent areas read as transparent
   rather than as a black box. */
.stage img, .stage canvas {
  background-color: #fff;
  background-image: conic-gradient(#ddd 25%, transparent 0 50%, #ddd 0 75%, transparent 0);
  background-size: 16px 16px;
}
.stage audio { width: calc(100% - 24px); margin: 12px; }
.placeholder { display: grid; justify-items: center; gap: 10px; padding: 24px; text-align: center; color: var(--muted); font-size: 13px; }
.placeholder .flask { width: 56px; height: 56px; opacity: .85; }
.verdict { display: grid; gap: 6px; padding: 22px; text-align: center; max-width: 34ch; }
.verdict b { font: 600 15px var(--mono); color: var(--signal); }
.verdict span { font-size: 13px; color: var(--muted); }
.second-opinion { display: grid; justify-items: center; width: 100%; }
.so-note {
  width: 100%; padding: 8px 10px; border-bottom: 1px solid var(--rule-strong); background: var(--card);
  font: 12px/1.4 var(--mono); color: var(--muted); text-align: left;
}
.so-note b { color: var(--signal); font-weight: 600; }
.media-wrap { width: 100%; display: grid; justify-items: center; }
.media-wrap video { max-width: 100%; }
.media-note {
  width: 100%; margin: 0; padding: 8px 10px; border-top: 1px solid var(--rule-strong); background: var(--card);
  font: 12px/1.45 var(--mono); color: var(--muted);
}
.media-note b { color: var(--signal); font-weight: 600; }
.media-note[hidden] { display: none; }
.loud-warning {
  margin: 0 0 14px; padding: 10px 12px; border: 1px solid var(--signal); border-left-width: 4px; border-radius: 2px;
  background: var(--signal-soft); font-size: 13px; line-height: 1.45; color: var(--ink);
}
.loud-warning b { color: var(--signal); }
.loud-warning[hidden] { display: none; }
.view-toggle { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.chip {
  font: 500 12px var(--mono); border: 1px solid var(--rule-strong); border-radius: 99px; padding: 4px 10px;
  background: transparent; color: var(--muted); cursor: pointer;
}
.chip[aria-pressed="true"] { color: var(--ink); border-color: var(--ink); }
.chip:disabled { opacity: .4; cursor: not-allowed; }
.view-toggle .to-settings { margin-left: auto; font-size: 12px; color: var(--muted); }
.specimens.can-compare .stage img, .specimens.can-compare .stage canvas { cursor: zoom-in; }

/* Full-screen compare viewer (app/viewer.js). Always dark, whatever the page
   theme: a neutral surround makes damage easier to judge. */
body:has(.viewer[open]) { overflow: hidden; }
.viewer {
  position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none;
  margin: 0; padding: 0; border: 0; color-scheme: dark;
  background: #0d0d0c; color: #ebe6da; grid-template-rows: auto 1fr auto;
}
.viewer[open] { display: grid; }
.viewer::backdrop { background: #0d0d0c; }
.viewer-bar { display: flex; align-items: center; gap: 10px 14px; padding: 10px 14px; border-bottom: 1px solid #2e2d28; flex-wrap: wrap; }
.viewer-modes { display: flex; gap: 6px; flex-wrap: wrap; }
.viewer .chip { color: #9b9484; border-color: #47453d; padding: 6px 12px; }
.viewer .chip[aria-pressed="true"] { color: #0d0d0c; background: #ebe6da; border-color: #ebe6da; }
.viewer-zoom { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.vbtn {
  font: 500 13px var(--mono); min-width: 32px; height: 32px; padding: 0 9px; border: 1px solid #47453d;
  border-radius: 3px; background: transparent; color: #ebe6da; cursor: pointer;
}
.vbtn:hover { border-color: #ebe6da; }
.zoom-level { font: 12px var(--mono); color: #9b9484; min-width: 54px; text-align: center; }
.viewer-stage { display: grid; gap: 8px; padding: 8px; min-height: 0; }
.viewer-stage[data-mode="side"] { grid-template-columns: 1fr 1fr; }
.vpane {
  position: relative; overflow: hidden; background: #1a1a17; min-width: 0; min-height: 0;
  touch-action: none; user-select: none; -webkit-user-select: none; cursor: grab;
}
.vpane.dragging { cursor: grabbing; }
.viewer-stage[data-mode="flip"] .vpane:not(.dragging) { cursor: pointer; }
.vlayer { position: absolute; inset: 0; }
.vlayer[hidden] { display: none; }
.vimg {
  position: absolute; left: 0; top: 0; max-width: none; max-height: none; transform-origin: 0 0;
  background-color: #fff;
  background-image: conic-gradient(#ddd 25%, transparent 0 50%, #ddd 0 75%, transparent 0);
  /* The checkerboard stays the same size on screen at any zoom. */
  background-size: calc(16px * var(--inv, 1)) calc(16px * var(--inv, 1));
}
.viewer-stage.pixelated .vimg { image-rendering: pixelated; }
.vmissing { position: absolute; inset: 0; display: grid; place-items: center; padding: 24px; text-align: center; font: 13px var(--mono); color: #9b9484; }
.vtag {
  position: absolute; top: 8px; left: 8px; z-index: 3; pointer-events: none;
  font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase;
  padding: 6px 8px; border-radius: 2px; background: rgba(13, 13, 12, .82); color: #ebe6da;
}
.vtag.hot { color: #ff5a4e; }
.vtag.right { left: auto; right: 8px; }
.vhandle { position: absolute; top: 0; bottom: 0; width: 2px; margin-left: -1px; background: #ebe6da; z-index: 2; cursor: ew-resize; }
.vhandle::before { content: ""; position: absolute; top: 0; bottom: 0; left: -14px; right: -14px; }
.vhandle::after {
  content: "‹ ›"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: #ebe6da; color: #0d0d0c; font: 600 14px/1 var(--mono); box-shadow: 0 1px 6px rgba(0, 0, 0, .5);
}
.vhandle:focus-visible { outline: 2px solid #5cc08f; outline-offset: 2px; }
.viewer-hint { margin: 0; padding: 8px 14px 12px; font: 12px/1.4 var(--mono); color: #9b9484; text-align: center; }
@media (max-width: 700px) {
  .viewer-stage[data-mode="side"] { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
  /* Modes and close on the first row, zoom controls on the second. */
  .viewer-modes { flex: 1; }
  .viewer-bar .close { order: 1; }
  .viewer-zoom { order: 2; margin-left: 0; width: 100%; }
}

.readout { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule); margin-top: 18px; }
.readout div { padding: 14px 4px 4px; }
.readout b { display: block; font: 600 22px var(--mono); letter-spacing: -.02em; }
.readout b.hot { color: var(--signal); }

.filebar { margin-top: 22px; }
.track { position: relative; height: 26px; border: 1px solid var(--rule-strong); border-radius: 2px; margin-top: 26px;
  background: repeating-linear-gradient(90deg, var(--rule) 0 1px, transparent 1px 12px); }
.hit { position: absolute; top: -5px; bottom: -5px; min-width: 3px; background: var(--signal); }
.hit[data-label]::after { content: attr(data-label); position: absolute; top: -20px; left: 0; font: 600 11px var(--mono); color: var(--signal); white-space: nowrap; }
.hit.flip-label[data-label]::after { left: auto; right: 0; }
.ends { display: flex; justify-content: space-between; font: 11px var(--mono); color: var(--muted); margin-top: 4px; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; align-items: center; }
.cli { font: 12px var(--mono); color: var(--muted); background: var(--paper); border: 1px dashed var(--rule-strong);
  padding: 8px 10px; border-radius: 2px; flex: 1; min-width: 260px; overflow-x: auto; white-space: nowrap; }
.notes { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; font-size: 13px; color: var(--muted); }
.notes p { margin: 0; padding-left: 12px; border-left: 2px solid var(--rule-strong); }
.result-only[hidden] { display: none; }

.check-it { padding: 0 0 56px; }
.check-it .panel-body { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; font-size: 14px; }
.check-it h2 { font: 600 18px var(--sans); margin: 0 0 6px; }
.check-it ol { margin: 0; padding-left: 20px; }
.check-it p { margin: 0 0 8px; color: var(--muted); }
.check-it .counting { grid-column: 1 / -1; margin: 0; padding-top: 12px; border-top: 1px solid var(--rule); }
.check-it .counting .linkish { color: var(--ink); }

footer { border-top: 1px solid var(--rule-strong); background: var(--paper); }
footer .wrap { display: flex; justify-content: space-between; gap: 20px; padding: 22px 20px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
footer a { color: var(--ink); }

.lab {
  position: absolute; inset: 0; display: grid; place-items: center; align-content: center; gap: 10px;
  background: var(--card);
  background-image: linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0; visibility: hidden; transition: opacity .25s, visibility 0s .25s; z-index: 2;
}
.lab.on { opacity: 1; visibility: visible; transition: opacity .15s; }
.lab-flask { display: block; width: min(38%, 140px); }
.lab .flask { width: 100%; height: auto; }
.lab-status { font: 600 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.lab.shaking .flask .body { animation: shake .3s linear infinite; }
.lab.shaking .bubble { animation: rise 1s linear infinite; }
.lab.shaking .bubble.b2 { animation: none; }
.lab.shaking .bubble.b3 { animation-delay: .5s; }
.lab.corrupt .bubble.b2 { animation: drop .5s cubic-bezier(.55, 0, 1, .45) forwards; }
.lab.corrupt .cell { animation: spread .3s linear forwards; animation-delay: var(--d); }
.lab.corrupt .splash { animation: splash-up .4s ease-out .45s forwards; }
.lab.corrupt .flask .body { animation: jolt .4s ease-out .45s; }
.lab.corrupt .lab-status { color: var(--signal); }
@keyframes land { 0% { background: var(--signal-soft); } 100% { background: transparent; } }
.readout.landed div { animation: land .9s ease-out; }

@media (prefers-reduced-motion: reduce) {
  .readout.landed div { animation: none !important; }
}

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; grid-template-areas: "lede" "title" "badge"; gap: 12px; padding-top: 22px; }
  .hero .local { justify-self: start; white-space: normal; margin-bottom: 0; }
  .bench { grid-template-columns: 1fr; }
  .readout { grid-template-columns: repeat(2, 1fr); }
  .notes, .check-it .panel-body { grid-template-columns: 1fr; }
  nav { display: none; }
}
@media (max-width: 560px) {
  .specimens { grid-template-columns: 1fr; }
}