/* ilovepdfe.com — layout concept: "the proofing desk". Each tool is a sheet of paper on a cool grey desk,
   marked with printer's crop marks; sizes, page counts and timings are set in mono like a print spec. */
:root {
  --desk: #eef1f5;
  --paper: #ffffff;
  --ink: #131c26;
  --muted: #56626f;
  --line: #d5dbe3;
  --accent: #2346c8;
  --accent-ink: #ffffff;
  --marker: #ffe066;
  --marker-ink: #131c26;
  --ok: #157347;
  --err: #b42318;
  --shadow: 0 1px 2px rgba(19, 28, 38, .06), 0 8px 24px rgba(19, 28, 38, .07);
  --f-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body: "Instrument Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --r: 6px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --desk: #0e1318; --paper: #161e26; --ink: #e5ebf1; --muted: #9aa7b4; --line: #2a3541;
    --accent: #8aa4ff; --accent-ink: #0e1318; --marker: #e3c341; --marker-ink: #0e1318;
    --ok: #4cc38a; --err: #ff8a7a; --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --desk: #0e1318; --paper: #161e26; --ink: #e5ebf1; --muted: #9aa7b4; --line: #2a3541;
  --accent: #8aa4ff; --accent-ink: #0e1318; --marker: #e3c341; --marker-ink: #0e1318;
  --ok: #4cc38a; --err: #ff8a7a; --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--desk); color: var(--ink); font: 400 17px/1.65 var(--f-body); }
img, canvas, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
.wrap { max-width: 1120px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.skip { position: absolute; left: -9999px; }
a.skip:focus { left: 16px; top: 12px; z-index: 20; background: var(--paper); padding: 8px 12px; }
.mono { font-family: var(--f-mono); font-size: .82em; letter-spacing: 0; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); } .small { font-size: .88em; }

/* header */
header.site { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
header.site .wrap { display: flex; align-items: center; gap: 20px; min-height: 60px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 9px; font: 700 21px/1 var(--f-display); color: var(--ink); text-decoration: none; letter-spacing: -.02em; }
.logo b { color: var(--accent); font-weight: 700; }
nav.main { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
nav.main a { color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 500; padding: 6px 10px; border-radius: var(--r); }
nav.main a:hover { background: var(--desk); }
nav.main a[aria-current="page"] { background: var(--marker); color: var(--marker-ink); }
.lang select { font: inherit; font-size: 14px; padding: 5px 8px; border: 1px solid var(--line); border-radius: var(--r); background: var(--paper); color: var(--ink); }
@media (max-width: 760px) {
  nav.main { order: 3; flex-basis: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; }
  nav.main a { white-space: nowrap; }
}

/* hero */
.hero { padding-block: 36px 28px; }
.crumbs { font-size: 14px; color: var(--muted); margin: 0 0 10px; }
.crumbs a { color: var(--muted); }
h1, h2, h3 { font-family: var(--f-display); letter-spacing: -.02em; text-wrap: balance; line-height: 1.15; }
h1 { font-size: clamp(30px, 5vw, 50px); font-weight: 700; margin: 0 0 12px; max-width: 22ch; }
.lead { font-size: 19px; color: var(--muted); max-width: 62ch; margin: 0 0 6px; }
.byline { font-size: 13px; color: var(--muted); margin: 0 0 22px; }

/* the tool sheet */
.tool { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; box-shadow: var(--shadow); padding: 22px; display: grid; gap: 16px; }
.tool::before, .tool::after { content: ""; position: absolute; width: 18px; height: 18px; pointer-events: none; border-color: var(--muted); border-style: solid; opacity: .55; }
.tool::before { top: -10px; left: -10px; border-width: 0 1px 1px 0; }
.tool::after { bottom: -10px; right: -10px; border-width: 1px 0 0 1px; }
.drop { display: grid; justify-items: center; gap: 10px; text-align: center; padding: 44px 16px; border: 2px dashed var(--line); border-radius: 4px; cursor: pointer; transition: border-color .15s, background .15s; }
.drop:hover, .drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.drop .pick { font: 600 18px/1 var(--f-body); background: var(--accent); color: var(--accent-ink); border: 0; border-radius: var(--r); padding: 16px 30px; cursor: pointer; }
.drop .or { color: var(--muted); font-size: 15px; margin: 0; }
.drop .spec { font-family: var(--f-mono); font-size: 12px; color: var(--muted); margin: 0; letter-spacing: .02em; }
.zero { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0; padding: 0; list-style: none; font-size: 14px; color: var(--muted); }
.zero li::before { content: "✓ "; color: var(--ok); font-weight: 700; }

.files { display: grid; gap: 8px; }
.file { display: grid; grid-template-columns: 60px 1fr auto auto; gap: 12px; align-items: center; padding: 8px; border: 1px solid var(--line); border-radius: var(--r); }
.file .thumb { width: 60px; height: 80px; background: var(--desk); border: 1px solid var(--line); }
.file .meta { min-width: 0; display: grid; }
.file strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; font-size: 15px; }
.file .mono { color: var(--muted); }
.move { display: flex; gap: 4px; }
.move button, .file .x, .pg button { width: 34px; height: 34px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: var(--r); cursor: pointer; font-size: 16px; }
.move button:hover, .file .x:hover, .pg button:hover { border-color: var(--accent); color: var(--accent); }
.move button:disabled { opacity: .35; cursor: default; }

.opts { display: flex; flex-wrap: wrap; gap: 14px 22px; padding-top: 4px; }
.opt { display: grid; gap: 4px; min-width: 0; }
.opt > label, .opt legend { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 0; }
.opt select, .opt input[type=text], .opt input[type=number] { font: inherit; font-size: 15px; padding: 8px 10px; border: 1px solid var(--line); border-radius: var(--r); background: var(--paper); color: var(--ink); min-width: 0; }
.opt input[type=number] { width: 110px; }
.opt.check { grid-auto-flow: column; align-items: center; justify-content: start; gap: 8px; }
.opt.check label { text-transform: none; letter-spacing: 0; font-size: 15px; color: var(--ink); font-weight: 500; }
.suffix { display: inline-flex; align-items: center; gap: 6px; font-family: var(--f-mono); font-size: 14px; }
fieldset.radio { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
fieldset.radio legend { margin-bottom: 6px; width: 100%; }
fieldset.radio label { text-transform: none; letter-spacing: 0; color: var(--ink); font-weight: 500; display: inline-flex; gap: 6px; align-items: center; padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--r); cursor: pointer; font-size: 15px; }
fieldset.radio label:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 9%, transparent); }
fieldset.radio input { accent-color: var(--accent); }
.hint { font-size: 14px; color: var(--muted); margin: 0; flex-basis: 100%; }

.pages .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 12px; margin-top: 10px; }
.pg { display: grid; justify-items: center; gap: 6px; padding: 8px; border: 1px solid var(--line); border-radius: var(--r); position: relative; }
.pg .sheet { width: 100%; aspect-ratio: 3 / 4; max-width: 100%; display: grid; place-items: center; transition: transform .2s; }
.pg canvas { max-height: 100%; border: 1px solid var(--line); background: #fff; }
.pg.del { opacity: .45; }
.pg.del .sheet { filter: grayscale(1); }
.pg.del::after { content: ""; position: absolute; inset: 40% 12%; border-top: 3px solid var(--err); transform: rotate(-24deg); }
.pg button[aria-pressed="true"] { background: var(--err); color: #fff; border-color: var(--err); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.go { font: 600 17px/1 var(--f-body); background: var(--accent); color: var(--accent-ink); border: 0; border-radius: var(--r); padding: 15px 28px; cursor: pointer; }
.go:disabled { opacity: .5; cursor: not-allowed; }
.busy .go { cursor: progress; }
.ghost { font: 500 15px/1 var(--f-body); background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: var(--r); padding: 13px 18px; cursor: pointer; }
.ghost:hover { border-color: var(--accent); }
.status { margin: 0; font-size: 15px; min-height: 1.2em; color: var(--muted); }
.status.err, .err { color: var(--err); }
.result { display: grid; gap: 10px; padding: 16px; background: color-mix(in srgb, var(--marker) 30%, var(--paper)); border-radius: var(--r); }
.out { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.download { display: inline-block; font-weight: 600; background: var(--ink); color: var(--paper); text-decoration: none; padding: 13px 20px; border-radius: var(--r); word-break: break-all; }
.download:hover { background: var(--accent); color: var(--accent-ink); }
.proof { color: var(--muted); margin: 0; }

/* article */
main { padding-block: 8px 48px; }
.content { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: clamp(20px, 4vw, 48px); max-width: 860px; }
.content > * { max-width: 68ch; }
.content h2 { font-size: clamp(24px, 3vw, 31px); margin: 44px 0 12px; }
.content section:first-of-type h2, .content .toc + section h2 { margin-top: 8px; }
.content h3 { font-size: 20px; margin: 26px 0 8px; }
.content p, .content li { margin: 0 0 14px; }
.content ul, .content ol { padding-left: 1.3em; }
.steps { counter-reset: s; list-style: none; padding: 0 !important; }
.steps li { counter-increment: s; position: relative; padding-left: 46px; margin-bottom: 16px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 1px; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--marker); color: var(--marker-ink); font: 700 15px/1 var(--f-mono); }
.toc { border-left: 3px solid var(--marker); padding: 4px 0 4px 16px; margin-bottom: 28px; font-size: 15px; }
.toc ol { margin: 6px 0 0; padding-left: 1.2em; }
.toc li { margin: 2px 0; }
.note { background: color-mix(in srgb, var(--marker) 25%, var(--paper)); border-left: 3px solid var(--marker); padding: 12px 16px; border-radius: 0 var(--r) var(--r) 0; }
.table-wrap { overflow-x: auto; margin: 0 0 18px; max-width: 100%; }
table { border-collapse: collapse; width: 100%; font-size: 15px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
caption { text-align: left; padding-bottom: 6px; }
details.faq { border-bottom: 1px solid var(--line); padding: 12px 0; }
details.faq summary { cursor: pointer; font-weight: 600; font-size: 18px; font-family: var(--f-display); }
details.faq p { margin-top: 10px; }
blockquote { margin: 0 0 18px; padding: 4px 0 4px 18px; border-left: 3px solid var(--line); color: var(--muted); }
figure { margin: 0 0 20px; }
figcaption { font-size: 14px; color: var(--muted); margin-top: 6px; }

.tools { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; margin: 8px 0 20px; max-width: none !important; }
.tools a { display: grid; align-content: start; gap: 4px; padding: 16px; border: 1px solid var(--line); border-radius: var(--r); background: var(--paper); color: var(--ink); text-decoration: none; font-size: 15px; line-height: 1.45; }
.tools a strong { font-family: var(--f-display); font-size: 18px; letter-spacing: -.01em; }
.tools a span { color: var(--muted); }
.tools a:hover { border-color: var(--accent); }
.tools a:hover strong { color: var(--accent); }
.hub { padding-block: 0 8px; }
.hub h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-family: var(--f-body); margin: 26px 0 4px; }

footer.site { background: var(--paper); border-top: 1px solid var(--line); padding-block: 36px; font-size: 15px; }
footer .cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }
footer ul { list-style: none; padding: 0; margin: 8px 0 0; }
footer li { margin: 4px 0; }
footer a { color: var(--ink); text-decoration: none; }
footer a:hover { color: var(--accent); text-decoration: underline; }
.disc { color: var(--muted); font-size: 13px; max-width: 80ch; margin-top: 26px; }
[dir="rtl"] .steps li { padding-left: 0; padding-right: 46px; }
[dir="rtl"] .steps li::before { left: auto; right: 0; }
[dir="rtl"] .toc { border-left: 0; border-right: 3px solid var(--marker); padding: 4px 16px 4px 0; }
@media (max-width: 520px) {
  body { font-size: 16px; }
  .tool { padding: 14px; }
  .file { grid-template-columns: 48px 1fr auto; }
  .file .thumb { width: 48px; height: 64px; }
  .file .move { grid-column: 2; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }