/* devMmX PhotoTools — one stylesheet for every page. No build step. */
:root {
  --bg: #ffffff;
  --surface: #f2f5f7;
  --ink: #17212b;
  --muted: #4a5866;
  --line: #cfd8e0;
  --accent: #0a6b5a;
  --accent-ink: #ffffff;
  --accent-soft: #e3f2ee;
  --over: #a3360f;
  --over-soft: #fbece6;
  --focus: #1b4fd6;
  --radius-s: 6px;
  --radius-l: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-underline-offset: 0.15em; }
a:hover { color: var(--ink); }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.skip {
  position: absolute; left: 0.5rem; top: -4rem;
  background: var(--ink); color: #fff; padding: 0.6rem 1rem; z-index: 10;
  border-radius: var(--radius-s);
}
.skip:focus { top: 0.5rem; color: #fff; }

.wrap { width: 100%; max-width: 46rem; margin: 0 auto; padding: 0 1rem; }
.wrap--wide { max-width: 60rem; }

/* Header and navigation: plain links that wrap, no JavaScript menu */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 0.25rem 1rem;
  padding-top: 0.5rem; padding-bottom: 0.5rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 700; color: var(--ink); text-decoration: none;
  min-height: 48px;
}
.brand img { width: 28px; height: 28px; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0 0.25rem; }
.nav a {
  display: inline-flex; align-items: center; min-height: 48px;
  padding: 0 0.6rem; color: var(--ink); text-decoration: none; border-radius: var(--radius-s);
}
.nav a:hover { background: var(--surface); }
.nav a[aria-current="page"] { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.35em; }

main { padding: 1.5rem 0 3rem; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.75rem, 6vw, 2.5rem); margin: 0.5rem 0 1rem; }
h2 { font-size: 1.4rem; margin: 2.25rem 0 0.75rem; }
h3 { font-size: 1.125rem; margin: 1.5rem 0 0.5rem; }
p, ul, ol, dl, table { margin: 0 0 1rem; }
li + li { margin-top: 0.35rem; }

.lead { font-size: 1.1875rem; color: var(--muted); }
.small { font-size: 0.9375rem; color: var(--muted); }
code, .num { font-family: var(--mono); font-size: 0.92em; }

.note {
  background: var(--surface); border-left: 4px solid var(--accent);
  padding: 0.85rem 1rem; border-radius: 0 var(--radius-s) var(--radius-s) 0;
}

.table-scroll { overflow-x: auto; margin-bottom: 1rem; }
table { border-collapse: collapse; width: 100%; font-size: 0.9375rem; }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 0.5rem 0.5rem 0.5rem 0; vertical-align: top; }

/* Buttons */
.button {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0.6rem 1.25rem;
  border: 2px solid var(--accent); border-radius: var(--radius-s);
  background: var(--accent); color: var(--accent-ink);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
}
.button:hover { background: #08584a; color: var(--accent-ink); }
.button--quiet { background: transparent; color: var(--accent); }
.button--quiet:hover { background: var(--accent-soft); color: var(--accent); }
.button[disabled], .button[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; }

/* Tool */
.tool {
  border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 1rem; margin: 1.5rem 0 2rem; background: var(--bg);
}
.tool h2 { margin-top: 0.25rem; }
.step { margin: 0 0 1.5rem; }
.step-title { font-weight: 700; margin: 0 0 0.5rem; font-size: 1.0625rem; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.file-pick {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 72px; padding: 1rem;
  border: 2px dashed var(--accent); border-radius: var(--radius-l);
  background: var(--accent-soft); color: var(--accent); font-weight: 700; cursor: pointer;
}
.file-input:focus-visible + .file-pick { outline: 3px solid var(--focus); outline-offset: 2px; }
.file-input:disabled + .file-pick { opacity: 0.5; cursor: not-allowed; }

fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { font-weight: 700; padding: 0; margin-bottom: 0.5rem; }

.choices { display: grid; grid-template-columns: repeat(auto-fill, minmax(5.5rem, 1fr)); gap: 0.5rem; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice span {
  display: flex; align-items: center; justify-content: center; min-height: 48px;
  border: 2px solid var(--line); border-radius: var(--radius-s); font-weight: 600;
}
.choice input:checked + span { border-color: var(--accent); background: var(--accent); color: #fff; }
.choice input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }
.choice input:disabled + span { opacity: 0.5; }

.custom-row { margin-top: 0.75rem; }
.custom-row label { display: block; font-weight: 600; margin-bottom: 0.25rem; }
.custom-row input {
  width: 9rem; min-height: 48px; font: inherit; padding: 0.4rem 0.6rem;
  border: 2px solid var(--line); border-radius: var(--radius-s);
}
.custom-row input:disabled { background: var(--surface); }

.check { display: flex; gap: 0.75rem; align-items: flex-start; min-height: 48px; }
.check input { width: 24px; height: 24px; margin: 0.15rem 0 0; flex: none; accent-color: var(--accent); }
.check label { font-weight: 600; }
.hint { display: block; font-weight: 400; color: var(--muted); font-size: 0.9375rem; }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.actions .button { flex: 1 1 10rem; }

.status { min-height: 1.6em; margin: 1rem 0 0.5rem; }
progress { width: 100%; height: 0.75rem; accent-color: var(--accent); }

.error {
  margin: 1rem 0; padding: 0.85rem 1rem; border-radius: var(--radius-s);
  background: var(--over-soft); border-left: 4px solid var(--over); color: #5c1d07;
}
.error p:last-child { margin-bottom: 0; }

.facts { display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 1rem; margin: 0 0 1rem; align-content: start; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; min-width: 0; }

.panel { background: var(--surface); border-radius: var(--radius-l); padding: 1rem; margin: 0 0 1.5rem; }
.panel h3 { margin-top: 0; }

.preview { margin: 0; }
.preview img {
  max-height: 22rem; width: auto; margin: 0 auto; border-radius: var(--radius-s);
  background-color: #fff;
  background-image: linear-gradient(45deg, #e5e9ec 25%, transparent 25%, transparent 75%, #e5e9ec 75%),
    linear-gradient(45deg, #e5e9ec 25%, transparent 25%, transparent 75%, #e5e9ec 75%);
  background-size: 16px 16px; background-position: 0 0, 8px 8px;
}
.preview figcaption { font-size: 0.875rem; color: var(--muted); margin-top: 0.4rem; text-align: center; }

/* The size meter: original and result bars against the limit line */
.meter { margin: 0 0 1.25rem; }
.meter-row { display: grid; grid-template-columns: 4.5rem 1fr; align-items: center; gap: 0.5rem; margin-bottom: 0.4rem; }
.meter-label { font-size: 0.875rem; color: var(--muted); }
.meter-track { position: relative; height: 1.25rem; background: #e2e8ed; border-radius: 3px; overflow: hidden; }
.meter-fill { position: absolute; left: 0; top: 0; bottom: 0; background: #8796a3; }
.meter-fill.is-ok { background: var(--accent); }
.meter-fill.is-over { background: var(--over); }
.meter-limit { position: absolute; top: -3px; bottom: -3px; width: 3px; background: var(--ink); }
.meter-legend { font-size: 0.875rem; color: var(--muted); margin: 0.25rem 0 0 5rem; }

.result-ok { border-left: 4px solid var(--accent); padding-left: 0.75rem; }

/* Cards for guides on the home page: a plain list with rules, not boxes */
.link-list { list-style: none; padding: 0; margin: 0 0 1rem; border-top: 1px solid var(--line); }
.link-list li { margin: 0; padding: 0.9rem 0; border-bottom: 1px solid var(--line); }
.link-list a { font-weight: 700; font-size: 1.0625rem; }
.link-list p { margin: 0.25rem 0 0; color: var(--muted); }

.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding: 1.5rem 0 2rem; font-size: 0.9375rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0 0 1rem; display: flex; flex-wrap: wrap; gap: 0 0.25rem; }
.site-footer a { display: inline-flex; min-height: 44px; align-items: center; padding: 0 0.5rem 0 0; margin-right: 0.75rem; }
.site-footer p { color: var(--muted); margin: 0; }

@media (min-width: 720px) {
  .tool { padding: 1.5rem 2rem; }
  .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .actions .button { flex: 0 0 auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
.prose { max-width: 44rem; }
#orig-name { word-break: break-all; }