/* pdfmcp.org — original design system. System fonts only, zero external requests. */
:root{
  --bg:#fbfbfe; --bg2:#f1f0fa; --card:#ffffff; --ink:#17142b; --ink2:#4c4767; --ink3:#7a7594;
  --line:#e4e1f2; --brand:#6d28d9; --brand2:#db2777; --brand3:#0891b2;
  --grad:linear-gradient(92deg,#6d28d9 0%,#db2777 52%,#ea580c 100%);
  --ok:#15803d; --warn:#b45309; --bad:#b91c1c; --chip:#efeafd;
  --shadow:0 10px 30px rgba(38,16,92,.10); --radius:16px;
  color-scheme:light;
}
[data-theme="dark"]{
  --bg:#0d0b1a; --bg2:#141126; --card:#171331; --ink:#f2f0fc; --ink2:#c6c1de; --ink3:#9893b5;
  --line:#2a2450; --chip:#241b4d; --shadow:0 10px 30px rgba(0,0,0,.45);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
[data-theme="dark"] a{color:#c4b5fd}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
h1{font-size:2.35rem;line-height:1.15;margin:.2em 0 .4em;letter-spacing:-.02em}
h2{font-size:1.55rem;margin:1.6em 0 .5em;letter-spacing:-.01em}
h3{font-size:1.12rem;margin:1.2em 0 .4em}
p{margin:.6em 0}
.small{font-size:.88rem;color:var(--ink2)}
.muted{color:var(--ink2)}
code,kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86em;background:var(--chip);padding:.1em .35em;border-radius:6px}
pre{background:#141126;color:#e9e6ff;border-radius:12px;padding:16px;overflow:auto;font-size:.85rem;line-height:1.55}
pre code{background:none;padding:0;color:inherit}
[data-theme="dark"] pre{background:#07060f;border:1px solid var(--line)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:22px;height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.22rem;color:var(--ink);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo .mark{width:32px;height:32px;border-radius:9px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:17px;flex:none}
.logo em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mainnav{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.mainnav a{color:var(--ink2);font-weight:600;font-size:.95rem}
.mainnav a:hover{color:var(--ink);text-decoration:none}
.theme-btn{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:6px 12px;cursor:pointer;font-size:.9rem}
.cta-btn{background:var(--grad);color:#fff!important;border-radius:999px;padding:8px 16px;font-weight:700}
.cta-btn:hover{text-decoration:none;filter:brightness(1.07)}

/* hero */
.hero{padding:56px 0 30px;text-align:center}
.hero h1{font-size:3rem;max-width:820px;margin-left:auto;margin-right:auto}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:1.25rem;color:var(--ink2);max-width:720px;margin:0 auto}
.hero .claims{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:22px 0}
.claim{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:.9rem;font-weight:600;box-shadow:var(--shadow)}
.claim b{color:var(--brand)}
[data-theme="dark"] .claim b{color:#c4b5fd}

/* cards & grids */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:18px 0}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 13px;display:block;color:var(--ink);box-shadow:var(--shadow)}
.tool-card:hover{text-decoration:none;border-color:var(--brand);transform:translateY(-1px)}
.tool-card .t{font-weight:700;font-size:1.02rem;display:flex;gap:8px;align-items:center}
.tool-card .d{color:var(--ink2);font-size:.88rem;margin-top:4px}
.badge{font-size:.68rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:2px 8px;flex:none}
.badge.client{background:#dcfce7;color:#166534}
.badge.api{background:#e0e7ff;color:#3730a3}
[data-theme="dark"] .badge.client{background:#14532d;color:#bbf7d0}
[data-theme="dark"] .badge.api{background:#312e81;color:#c7d2fe}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin:18px 0}
.panel.grad-border{border:2px solid transparent;background:linear-gradient(var(--card),var(--card)) padding-box,var(--grad) border-box}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:820px){.two{grid-template-columns:1fr}.hero h1{font-size:2.15rem}}

/* breadcrumbs */
.crumbs{font-size:.86rem;color:var(--ink3);padding:16px 0 0}
.crumbs a{color:var(--ink2)}
.crumbs span{margin:0 6px}

/* tool widget */
.dropzone{border:2px dashed var(--line);border-radius:var(--radius);padding:34px 18px;text-align:center;background:var(--bg2);cursor:pointer;transition:border-color .15s}
.dropzone:hover,.dropzone.drag{border-color:var(--brand)}
.dropzone .big{font-size:1.12rem;font-weight:700}
.filelist{margin:12px 0;font-size:.92rem}
.filelist li{margin:4px 0}
.optgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin:14px 0}
.field label{display:block;font-size:.83rem;font-weight:700;color:var(--ink2);margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font:inherit;font-size:.95rem}
.run-btn{background:var(--grad);color:#fff;border:0;border-radius:12px;padding:13px 26px;font-size:1.02rem;font-weight:800;cursor:pointer}
.run-btn:disabled{opacity:.55;cursor:wait}
.ghost-btn{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:9px 16px;font-weight:700;cursor:pointer}
.progress{height:8px;background:var(--bg2);border-radius:99px;overflow:hidden;margin:14px 0;display:none}
.progress i{display:block;height:100%;width:0;background:var(--grad);transition:width .2s}
.log{font-size:.86rem;color:var(--ink2);white-space:pre-wrap}
.results{display:none;margin-top:16px}
.result-row{display:flex;align-items:center;gap:12px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:11px 14px;margin:8px 0;flex-wrap:wrap}
.dl-btn{background:var(--brand);color:#fff!important;border-radius:9px;padding:8px 15px;font-weight:700;font-size:.92rem}
.dl-btn:hover{text-decoration:none;filter:brightness(1.1)}
.stats{font-size:.88rem;color:var(--ink2)}
.privacy-note{display:flex;gap:10px;align-items:flex-start;background:#f0fdf4;border:1px solid #bbf7d0;color:#14532d;border-radius:12px;padding:12px 15px;margin:16px 0;font-size:.94rem}
[data-theme="dark"] .privacy-note{background:#052e16;border-color:#166534;color:#bbf7d0}
.share-card{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:var(--card);margin:20px 0;text-align:center}
.share-row{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin-top:10px}
.share-row a,.share-row button{border:1px solid var(--line);background:var(--bg2);color:var(--ink);border-radius:999px;padding:7px 14px;font-weight:700;font-size:.88rem;cursor:pointer}
.share-row a:hover{text-decoration:none;border-color:var(--brand)}

/* code/copy */
.codeblock{position:relative}
.copy-btn{position:absolute;top:9px;right:9px;background:#2b2456;color:#dcd6ff;border:1px solid #463d85;border-radius:8px;padding:4px 11px;cursor:pointer;font-size:.8rem;font-weight:700}
table.params{border-collapse:collapse;width:100%;font-size:.9rem;margin:10px 0}
table.params th,table.params td{border:1px solid var(--line);padding:7px 10px;text-align:left;vertical-align:top}
table.params th{background:var(--bg2)}
.faq details{border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:9px 0;background:var(--card)}
.faq summary{font-weight:700;cursor:pointer}
.status-dot{display:inline-block;width:11px;height:11px;border-radius:50%;margin-right:8px}
.up{background:#22c55e}.down{background:#ef4444}.degraded{background:#f59e0b}
.bar{height:14px;background:var(--bg2);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--grad)}
.chart{display:flex;align-items:flex-end;gap:2px;height:120px;border-bottom:1px solid var(--line);margin:14px 0 4px}
.chart .col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;height:100%}
.chart .seg-g{background:var(--brand)}
.chart .seg-b{background:var(--brand2);opacity:.65}
.chart-x{display:flex;gap:2px;font-size:.62rem;color:var(--ink3)}
.chart-x span{flex:1;text-align:center;overflow:hidden}
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin:14px 0}
.kv .k{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:13px}
.kv .k .n{font-size:1.45rem;font-weight:800}
.kv .k .l{font-size:.8rem;color:var(--ink2);font-weight:600}
.notice{border-radius:12px;padding:13px 16px;margin:14px 0;font-size:.94rem}
.notice.warn{background:#fffbeb;border:1px solid #fde68a;color:#92400e}
[data-theme="dark"] .notice.warn{background:#451a03;color:#fde68a;border-color:#92400e}
.notice.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
[data-theme="dark"] .notice.err{background:#450a0a;color:#fecaca;border-color:#991b1b}
.template-banner{background:#fef3c7;border:2px dashed #d97706;color:#92400e;border-radius:12px;padding:13px 16px;font-weight:700;margin:16px 0}
[data-theme="dark"] .template-banner{background:#451a03;color:#fde68a}

/* footer */
footer{margin-top:60px;border-top:1px solid var(--line);background:var(--bg2)}
footer .wrap{padding:30px 20px 38px}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:20px}
.foot-grid h4{margin:0 0 9px;font-size:.92rem}
.foot-grid a{display:block;color:var(--ink2);font-size:.9rem;margin:5px 0}
.legal-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;padding-top:16px;border-top:1px solid var(--line);font-size:.9rem;font-weight:600}
article.prose{max-width:780px}
article.prose li{margin:.3em 0}
.toc{font-size:.92rem}