/* Spec Sheet Normaliser. Tokens first: light by default, dark by the system's preference unless the theme switch
   says otherwise ([data-theme] on <html>, set before first paint by boot.js and kept by app.js). One accent,
   teal, for primary actions, focus and best values; greys for everything else. */
:root {
  color-scheme: light;
  --bg: #f4f5f5;
  --surface: #ffffff;
  --zebra: #f8f9f9;
  --sunken: #f1f3f3;
  --hover: #edf1f1;
  --scrim: rgb(244 245 245 / 0.9);
  --border: #e1e5e5;
  --border-strong: #c5cdcd;
  --field: #838e8e; /* input and switch outlines: 3:1 on every surface */
  --text: #121717;
  --text-2: #384343;
  --muted: #5c6868;
  --faint: #6a7575; /* still 4.5:1 on the zebra rows */
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-soft: #e6f3f1;
  --on-accent: #ffffff;
  --danger: #b42318;
  --danger-soft: #fdeceb;
  --shadow-sm: 0 1px 2px rgb(16 24 24 / 0.05), 0 1px 3px rgb(16 24 24 / 0.07);
  --shadow-lg: 0 18px 40px rgb(16 24 24 / 0.16), 0 2px 8px rgb(16 24 24 / 0.08);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 56px;
  --gutter: var(--s-5);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0b0f0f;
    --surface: #121717;
    --zebra: #161c1c;
    --sunken: #182020;
    --hover: #1c2525;
    --scrim: rgb(11 15 15 / 0.9);
    --border: #232b2b;
    --border-strong: #36423f;
    --field: #5f6c6b;
    --text: #e5eaea;
    --text-2: #c2cbcb;
    --muted: #97a3a3;
    --faint: #8a9696;
    --accent: #2dd4bf;
    --accent-strong: #5eead4;
    --accent-soft: #15302d;
    --on-accent: #04201e;
    --danger: #ff8a80;
    --danger-soft: #2b1614;
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 18px 44px rgb(0 0 0 / 0.6), 0 0 0 1px #232b2b;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0f0f;
  --surface: #121717;
  --zebra: #161c1c;
  --sunken: #182020;
  --hover: #1c2525;
  --scrim: rgb(11 15 15 / 0.9);
  --border: #232b2b;
  --border-strong: #36423f;
  --field: #5f6c6b;
  --text: #e5eaea;
  --text-2: #c2cbcb;
  --muted: #97a3a3;
  --faint: #8a9696;
  --accent: #2dd4bf;
  --accent-strong: #5eead4;
  --accent-soft: #15302d;
  --on-accent: #04201e;
  --danger: #ff8a80;
  --danger-soft: #2b1614;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 18px 44px rgb(0 0 0 / 0.6), 0 0 0 1px #232b2b;
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--bg); }
body {
  margin: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 var(--font);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p { margin: 0; }
a { color: var(--accent); text-underline-offset: 2px; }
button, input, select { font: inherit; color: inherit; }
svg { flex: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.vh {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Controls */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 13.5px;
  font-weight: 560;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.12s, border-color 0.12s;
}
.btn:hover { background: var(--sunken); border-color: var(--field); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn svg { width: 15px; height: 15px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover:not(:disabled) { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn.ghost:hover { background: var(--sunken); }
.btn.sm { height: 28px; padding: 0 10px; font-size: 12.5px; }
.btn.lg { height: 40px; padding: 0 20px; font-size: 14px; }
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
.icon-btn:hover { background: var(--sunken); color: var(--text); }
.field {
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--field);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
}
.field::placeholder { color: var(--muted); }
.field:focus-visible { outline-offset: 0; border-color: var(--accent); }

/* Header */
.top {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-4);
  padding: var(--s-3) var(--gutter);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo { width: 26px; height: 26px; }
.logo rect { fill: var(--accent); }
.logo path { fill: none; stroke: var(--on-accent); stroke-width: 1.75; stroke-linejoin: round; }
.brand h1, .brand b { font-size: 15px; font-weight: 650; letter-spacing: -0.01em; white-space: nowrap; }
a.brand { color: inherit; text-decoration: none; } /* the comparison pages' header, back to the app */
.pill {
  padding: 1px 7px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.top-actions { display: flex; align-items: center; gap: var(--s-2); }
.badge {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--sunken);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge:empty { display: none; }
.badge.pro { background: var(--accent-soft); color: var(--accent); }

/* Theme switch: three radios, so the arrow keys move between them. */
.seg {
  display: inline-flex;
  min-inline-size: 0;
  margin: 0;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--sunken);
}
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; inset: 0; margin: 0; opacity: 0; cursor: pointer; }
.seg-face {
  display: grid;
  place-items: center;
  width: 28px;
  height: 24px;
  border-radius: 999px;
  color: var(--muted);
}
.seg-face svg { width: 15px; height: 15px; }
.seg input:checked + .seg-face { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
.seg input:focus-visible + .seg-face { outline: 2px solid var(--accent); outline-offset: 1px; }
.seg label:hover .seg-face { color: var(--text); }

/* Layout */
main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: var(--s-5) var(--gutter);
}

/* Empty state: the drop zone, three steps, the privacy line. */
.empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-5);
}
.empty > :first-child { margin-top: auto; }
.empty > :last-child { margin-bottom: auto; }
.drop {
  width: min(680px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: var(--s-7) var(--s-6);
  border: 2px dashed var(--border-strong);
  border-radius: 18px;
  background: var(--surface);
  text-align: center;
  transition: border-color 0.15s, background-color 0.15s;
}
.dragging .drop { border-color: var(--accent); background: var(--accent-soft); }
.drop-icon { width: 44px; height: 44px; margin-bottom: var(--s-1); color: var(--accent); }
.drop h2 { font-size: 22px; font-weight: 650; letter-spacing: -0.015em; }
.drop p { max-width: 42ch; color: var(--muted); }
.drop .btn { margin-top: var(--s-2); }
.steps {
  width: min(680px, 100%);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 10px;
  align-content: start;
}
.steps li::before {
  content: counter(step);
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 650;
}
.steps b { font-weight: 600; }
.steps span { color: var(--muted); font-size: 13px; }
.privacy { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.privacy svg { width: 14px; height: 14px; }

/* Workspace: toolbar, fill strip, the table card, a hint. */
.workspace { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: var(--s-3); }
.toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: var(--s-2); }
.count { margin-left: var(--s-2); color: var(--muted); font-size: 13px; white-space: nowrap; }
.note { color: var(--text-2); font-size: 13px; }
.divider { width: 1px; height: 20px; margin: 0 var(--s-2); background: var(--border-strong); }
.switch {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  color: var(--text-2);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}
.switch input {
  appearance: none;
  position: relative;
  flex: none;
  width: 30px;
  height: 18px;
  margin: 0;
  border-radius: 999px;
  background: var(--field);
  cursor: pointer;
  transition: background-color 0.15s;
}
.switch input::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.3);
  transition: transform 0.15s;
}
.switch input:checked { background: var(--accent); }
.switch input:checked::before { transform: translateX(12px); }
.strip { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  max-width: 24rem;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}
.chip b { overflow: hidden; text-overflow: ellipsis; color: var(--text); font-weight: 600; }
.meter { flex: none; width: 32px; height: 4px; overflow: hidden; border-radius: 2px; background: var(--border); }
.meter i { display: block; height: 100%; background: var(--muted); }
.upsell {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-3);
  padding: 10px 10px 10px var(--s-4);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
}
.upsell p { flex: 1 1 18rem; color: var(--text-2); }
.hint { max-width: 90ch; color: var(--muted); font-size: 12.5px; }

/* The table: fields as rows, datasheets as columns. The card scrolls both ways, so the header row and the field
   column stay put. Borders sit on the cells (border-collapse: separate), as a sticky cell carries its own. */
.table-card {
  position: relative;
  flex: 0 1 auto;
  min-height: 14rem;
  width: fit-content;
  max-width: 100%;
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.dragging .workspace::after {
  content: "Drop PDFs to add them";
  position: fixed;
  inset: var(--s-3);
  z-index: 40;
  display: grid;
  place-items: center;
  border: 2px dashed var(--accent);
  border-radius: 18px;
  background: var(--scrim);
  color: var(--accent);
  font-size: 18px;
  font-weight: 650;
  pointer-events: none;
}
table { border-collapse: separate; border-spacing: 0; font-size: 13.5px; }
th, td {
  padding: 9px var(--s-4);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  text-align: left;
  vertical-align: top;
}
thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: var(--s-3) var(--s-4) 10px;
  border-bottom-color: var(--border-strong);
  font-weight: 400;
}
thead th:first-child { left: 0; z-index: 3; border-right: 1px solid var(--border); }
th.product { width: 14.5rem; }
tbody th[scope="row"] {
  position: sticky;
  left: 0;
  z-index: 1;
  border-right: 1px solid var(--border);
  color: var(--text-2);
  font-weight: 500;
  white-space: nowrap;
}
tbody tr:nth-child(odd):not(.group) > * { background: var(--zebra); }
tbody tr:not(.group):hover > * { background: var(--hover); }
tbody:last-child tr:last-child > * { border-bottom: 0; }
tr.group > th {
  padding: 18px var(--s-4) 6px;
  background: var(--sunken);
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}
tr.group span { position: sticky; left: var(--s-4); display: inline-block; }
.corner { color: var(--muted); font-size: 11px; font-weight: 650; letter-spacing: 0.07em; text-transform: uppercase; white-space: nowrap; }

/* A datasheet's column header: name, maker, power class, remove. */
.ph { display: flex; align-items: flex-start; gap: var(--s-1); }
.ph-text { flex: 1; min-width: 0; }
.ph-name, .ph-maker { display: block; max-width: 15rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ph-name { color: var(--text); font-size: 14px; font-weight: 650; }
.ph-maker { color: var(--muted); font-size: 12px; }
.ph .icon-btn { margin: -4px -8px 0 0; }
select.pill {
  appearance: none;
  height: 26px;
  margin-top: var(--s-2);
  padding: 0 28px 0 10px;
  border: 1px solid var(--field);
  border-radius: 999px;
  background-color: var(--surface);
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 15px) 55%, calc(100% - 10px) 55%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  color: var(--text-2);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

/* A column's price and the corner's currency symbol, under the heading. */
thead .field { display: block; width: 100%; height: 28px; margin-top: var(--s-2); padding: 0 var(--s-2); font-size: 12.5px; font-variant-numeric: tabular-nums; }
thead th:first-child .field { width: 6.5rem; }

/* Cells. A number row is right-aligned in tabular figures; the unit follows, smaller and muted. */
tr.num > td { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td[title] { cursor: help; }
td:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
.u { margin-left: 4px; color: var(--muted); font-size: 12px; }
td.na, .dash { color: var(--faint); }
.show-best .best .v { font-weight: 700; }
.show-best .best .v::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 7px 2px 0;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}
table:not(.show-best) .best-note { display: none; }

/* A blank cell's "Teach label" shows on hover or keyboard focus only (always on touch screens). */
td.blank { position: relative; }
.teach {
  position: absolute;
  inset: 4px 6px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px dashed var(--accent);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.1s;
}
td.blank:hover .teach, .teach:focus-visible { opacity: 1; }
.teach:focus-visible { outline-offset: 0; }
td.teaching { box-shadow: inset 0 0 0 2px var(--accent); }
td.teaching .teach { display: none; }
.teach-form { display: grid; gap: 6px; min-width: 12rem; margin-top: var(--s-2); text-align: left; white-space: normal; }
.teach-form .field { width: 100%; height: 30px; font-size: 13px; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
@media (hover: none) {
  .teach { position: static; display: inline; margin-left: var(--s-2); padding: 2px 4px; border: 0; background: none; opacity: 1; }
}

/* Settings: a drawer from the right (a modal <dialog>). */
dialog.drawer {
  width: min(440px, 100vw);
  max-width: 100vw;
  height: 100%;
  max-height: 100%;
  margin: 0 0 0 auto;
  padding: 0;
  border: 0;
  border-left: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-lg);
}
dialog.drawer[open] { animation: drawer-in 0.2s cubic-bezier(0.2, 0.8, 0.2, 1); }
dialog.drawer::backdrop { background: rgb(8 12 12 / 0.4); }
@keyframes drawer-in { from { transform: translateX(32px); opacity: 0; } }
.drawer-body { height: 100%; overflow: auto; }
.drawer-head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.drawer-head h2 { font-size: 16px; font-weight: 650; }
.panel { display: grid; gap: 10px; padding: var(--s-5); border-bottom: 1px solid var(--border); }
.panel:last-child { border-bottom: 0; }
.panel h3 { display: flex; align-items: center; gap: var(--s-2); font-size: 13px; font-weight: 650; }
.panel p { color: var(--text-2); font-size: 13px; }
.panel h3 .badge { padding: 0 7px; font-size: 11px; }
.panel-stack { display: grid; gap: 10px; }
.key-form { display: flex; gap: var(--s-2); }
.key-form .field { flex: 1; min-width: 0; }
.taught { display: grid; gap: var(--s-3); margin: 0; padding: 0; list-style: none; }
.taught li { display: grid; gap: 6px; }
.taught li.muted { color: var(--muted); font-size: 13px; }
.taught-field { color: var(--muted); font-size: 12px; font-weight: 600; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin: 0 6px 6px 0;
  padding: 2px 3px 2px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--zebra);
  font-size: 12.5px;
}
.tag .icon-btn { width: 22px; height: 22px; font-size: 15px; border-radius: 999px; }

/* Toasts, bottom right: neutral ones inverted, problems tinted red and kept until dismissed. */
.toasts {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--s-2);
  width: min(380px, calc(100vw - 32px));
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--s-2);
  max-width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--text);
  color: var(--surface);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  white-space: pre-line;
  pointer-events: auto;
  animation: toast-in 0.18s ease-out;
}
.toast p { padding: 2px 0; }
.toast.problem { padding-right: 6px; border: 1px solid var(--danger); background: var(--danger-soft); color: var(--danger); }
.toast .icon-btn { width: 24px; height: 24px; color: inherit; }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } }

/* Footer: the app's (not in the side panel, which has no comparison pages) and the comparison pages'. */
.foot {
  flex: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1) var(--s-4);
  padding: var(--s-2) var(--gutter);
  border-top: 1px solid var(--border);
  background: var(--surface);
  font-size: 12.5px;
}
[data-context="extension"] .foot { display: none; }

/* Comparison pages (compare/, written by gen-compare.mjs): a document that scrolls as a whole, with the app's
   header, table and buttons. */
.doc { height: auto; min-height: 100vh; }
.doc main { display: block; width: 100%; max-width: 64rem; margin: 0 auto; }
.doc main > * + *, .doc section > * + * { margin-top: var(--s-4); }
.doc main > section { margin-top: var(--s-6); }
.doc h1 { font-size: 26px; font-weight: 650; line-height: 1.25; letter-spacing: -0.015em; }
.doc h2 { font-size: 17px; font-weight: 650; }
.doc h3 { font-size: 14px; font-weight: 600; }
.doc p, .doc li { max-width: 75ch; }
.doc .lede { font-size: 15.5px; }
.doc ul, .doc ol { margin-bottom: 0; padding-left: 1.25em; }
.doc li + li { margin-top: 2px; }
th.product > .pill { display: inline-block; margin-top: var(--s-2); } /* the power class compared, under its name */
.doc .crumbs { display: flex; flex-wrap: wrap; gap: 2px 8px; padding: 0; list-style: none; color: var(--muted); font-size: 13px; }
.doc .crumbs li + li { margin: 0; }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--faint); }

/* Guides (guides/, written by hand): an article in the comparison pages' layout, set for reading. */
.doc article > * + * { margin-top: var(--s-4); }
.doc article > h2 { margin-top: var(--s-6); }
.doc article > h3 { margin-top: var(--s-5); }
.doc article h3 { font-size: 16px; }
.doc article p, .doc article li { font-size: 15.5px; line-height: 1.6; }
.doc article .table-card { min-height: 0; }
.doc article tbody th[scope="row"] { min-width: 9rem; white-space: normal; }
.callout { padding: var(--s-3) var(--s-4); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius); background: var(--surface); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Phones: the header and toolbar stack, the table keeps scrolling sideways in its card. */
@media (max-width: 720px) {
  :root { --gutter: var(--s-4); }
  main { padding-top: var(--s-4); padding-bottom: var(--s-4); }
  .drop { padding: var(--s-6) var(--s-5); }
  .drop h2 { font-size: 19px; }
  .steps { grid-template-columns: 1fr; }
  .toolbar > .btn { flex: 1 1 9rem; }
  .count { margin-left: 0; }
  .divider { display: none; }
  .switch { margin-left: auto; }
  .switch + .switch { margin-left: 0; }
  th.product { width: 12rem; }
  tbody th[scope="row"] { width: 8.5rem; min-width: 8.5rem; white-space: normal; }
  .toasts { right: var(--s-4); bottom: var(--s-4); }
  dialog.drawer { border-left: 0; }
  .doc h1 { font-size: 21px; }
}

/* The Chrome side panel (data-context="extension" on <html>, set by boot.js), 360 to 420 px wide: the phone layout
   above with tighter gutters and a compact drop zone. */
:root:not([data-context="extension"]) .ext-only { display: none; } /* Add PDF from this tab: the side panel only */
[data-context="extension"] { --gutter: var(--s-3); }
[data-context="extension"] .top { padding-block: var(--s-2); }
[data-context="extension"] main { padding-block: var(--s-3); }
[data-context="extension"] .drop { gap: var(--s-2); padding: var(--s-5) var(--s-4); }
[data-context="extension"] .drop-icon { width: 36px; height: 36px; }
[data-context="extension"] .drop h2 { font-size: 17px; }
[data-context="extension"] .drop .btn { min-width: 13rem; } /* Choose PDFs and Add PDF from this tab, stacked */
[data-context="extension"] #add-tab { flex-basis: 100%; } /* the toolbar's Add PDF from this tab, a row of its own */