/* Portfolio typography, hosted locally; SIL OFL licences accompany the fonts. */
@font-face{font-family:"DM Sans";font-style:normal;font-weight:400 700;font-display:swap;src:url("./fonts/dm-sans-latin.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("./fonts/ibm-plex-mono-400-normal-latin.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("./fonts/ibm-plex-mono-500-normal-latin.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:600;font-display:swap;src:url("./fonts/ibm-plex-mono-600-normal-latin.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:italic;font-weight:400;font-display:swap;src:url("./fonts/ibm-plex-mono-400-italic-latin.woff2") format("woff2")}

:root {
  color-scheme:dark;
  --paper:#090d10; --panel:#111b20; --panel-2:#18272d;
  --ink:#f2f0e9; --muted:#b1bdc2; --accent:#ff8a38; --accent-2:#9ec5b8;
  --line:#f2f0e930; --glow:#ff8a3817; --grid:#f2f0e908;
  --green:var(--accent); --white:var(--panel); --red:#ffab91; --red-bg:#46271f;
  --display:"IBM Plex Mono",monospace; --radius:3px;
  font-family:"DM Sans",sans-serif;
  background:var(--paper); color:var(--ink);
}
html[data-theme="light"] {
  color-scheme:light;
  --paper:#f5f2ec; --panel:#fffdf8; --panel-2:#e9e5dc;
  --ink:#17252d; --muted:#53616a; --accent:#b64000; --accent-2:#32675c;
  --line:#17252d2e; --glow:#b640000d; --grid:#17252d08;
  --red:#a13520; --red-bg:#fbe7df;
}
[hidden]{display:none!important}
body{background:var(--paper);line-height:1.7}
button,input{font:inherit}
button{border:1px solid var(--accent);border-radius:3px;background:var(--accent);color:var(--paper);font-size:13px;font-weight:700;min-height:44px;padding:12px 20px;transition:background .15s,border-color .15s,color .15s}
button:hover{filter:none;background:var(--ink);border-color:var(--ink)}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
button.quiet{background:transparent;color:var(--muted);border:1px solid var(--line);padding:10px 14px;font-size:12px}
button.quiet:hover{color:var(--accent);border-color:var(--accent);background:var(--glow)}
h1,h2,h3,h4{font-family:var(--display);font-weight:500;letter-spacing:-.045em;line-height:1.2}
h1{font-size:clamp(35px,4.6vw,66px);letter-spacing:-.07em;line-height:1.12}
h1 em{font-family:var(--display);font-weight:400;color:var(--accent)}
.eyebrow,.project,.file-kind,.file-meta,.footnote,.reading-index,.sidebar-note,footer{font-family:var(--display);font-size:10px;font-weight:400;letter-spacing:.07em}
.eyebrow,.project,.file-kind{color:var(--accent);text-transform:uppercase}
.eyebrow{margin-bottom:18px}
.intro{font-size:16px;color:var(--muted);line-height:1.8;margin-top:22px}
.topbar{height:auto;min-height:76px;padding:14px 6vw;gap:24px;border-bottom:1px solid var(--line);background:var(--paper)}
.brand{font-family:"DM Sans",sans-serif;font-size:13px;letter-spacing:-.02em;font-weight:700;gap:10px;line-height:1.3}
.mark{width:32px;height:32px;flex:none;background:transparent;border:1px solid var(--accent);border-radius:50%;color:var(--accent);font:10px var(--display);letter-spacing:0;padding:0}
.header-actions{display:flex;align-items:center;gap:16px}
.theme-toggle{display:flex;align-items:center;gap:4px;min-height:42px;width:165px;padding:3px;border:1px solid var(--accent);border-radius:7px;background:var(--panel);color:var(--ink);box-shadow:0 0 25px var(--glow)}
.theme-toggle-option{display:flex;align-items:center;justify-content:center;gap:7px;flex:1;min-height:34px;border-radius:4px;font:600 12px var(--display)}
.theme-toggle svg{width:15px;height:15px;flex:none}
html:not([data-theme="light"]) .theme-dark,html[data-theme="light"] .theme-light{background:var(--accent);color:var(--paper)}
.theme-toggle:hover{background:var(--panel);border-color:var(--accent);box-shadow:0 0 0 4px var(--glow)}

.login{min-height:calc(100dvh - 76px);display:grid;place-items:center;background:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px),radial-gradient(ellipse at 15% 70%,var(--glow),transparent 60%);background-size:70px 70px,70px 70px,100% 100%}
.unlock{width:100%;max-width:1440px;padding:100px 6vw;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(320px,.9fr);align-items:center;gap:8vw}
.unlock-copy{min-width:0}
.unlock-copy .intro{max-width:430px;margin-top:30px}
.signal{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 18px var(--accent);margin-right:10px;vertical-align:middle}
.reading-index{display:flex;flex-wrap:wrap;gap:20px;color:var(--muted);margin-top:42px;padding-top:20px;border-top:1px solid var(--line);font-size:9px}
.unlock-panel{position:relative;padding:34px;background:var(--panel);border:1px solid var(--line);min-width:0}
.unlock-panel::before{content:"";position:absolute;left:-1px;top:-1px;width:42px;height:2px;background:var(--accent)}
.unlock-panel h2{font-size:24px}
.unlock form{margin-top:28px;gap:12px}
.unlock label{font-size:12px;color:var(--muted);font-weight:500}
.unlock input{border-color:var(--line);background:var(--paper);color:var(--ink);border-radius:3px;min-height:48px}
.unlock form button{margin-top:8px;min-height:48px}
.footnote{font-size:9px;letter-spacing:.02em;line-height:1.8;margin-top:24px;text-align:left;color:var(--muted)}

.library-layout{display:grid;grid-template-columns:205px minmax(0,1fr);width:88%;max-width:1440px;margin:auto;min-height:calc(100dvh - 76px)}
.project-sidebar{border-right:1px solid var(--line);padding:40px 24px 40px 0}
.project-sidebar>.eyebrow{color:var(--muted);font-size:9px}
.project-sidebar nav{display:flex;flex-direction:column;margin-top:30px}
.project-sidebar button{text-align:left;background:transparent;color:var(--muted);border:0;border-bottom:1px solid var(--line);border-radius:0;font:11px var(--display);padding:15px 0;overflow-wrap:anywhere}
.project-sidebar button.selected{color:var(--accent);border-color:var(--accent)}
.project-sidebar button:hover{color:var(--ink);background:var(--glow)}
.sidebar-note{color:var(--muted);margin-top:40px;line-height:2;font-size:9px;letter-spacing:0}
.reading-workspace{padding:34px 0 28px 40px;min-width:0}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:5px;align-items:center;margin-bottom:32px;color:var(--muted)}
.breadcrumbs button{font:10px var(--display);background:transparent;color:var(--muted);border:0;padding:4px 6px;min-height:32px;text-align:left;border-radius:0}
.breadcrumbs button:hover{color:var(--accent)}
.breadcrumbs span{font-size:10px;color:var(--accent)}
.reader-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}
.reader-heading h1{font-size:clamp(28px,3.3vw,44px);overflow-wrap:anywhere;line-height:1.18;letter-spacing:-.055em}
.reader-heading>.quiet{flex-shrink:0}
.reader-heading .intro{font-size:14px;max-width:730px;margin-top:18px}
.library-stats{display:flex;gap:32px;flex-wrap:wrap;margin:32px 0;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font:10px var(--display)}
.library-stats span{display:flex;gap:10px;align-items:center}
.library-stats strong{font:400 26px var(--display);color:var(--accent);letter-spacing:-.055em}
.search-box{display:flex;flex-direction:column;gap:10px;margin:28px 0}
.search-box span{font:10px var(--display);color:var(--muted)}
.search-box input{background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:12px 15px;font:14px "DM Sans",sans-serif;color:var(--ink);width:100%;min-height:46px}
input::placeholder{color:var(--muted);opacity:.8}
.library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:28px}
.library-card{border:1px solid var(--line);border-radius:3px;padding:26px;background:var(--panel);display:flex;flex-direction:column;gap:18px;min-width:0}
.library-card h2{font-family:var(--display);font-size:21px;line-height:1.3;font-weight:500;overflow-wrap:anywhere;letter-spacing:-.045em}
.library-card .muted{font-size:12px;color:var(--muted)}
.card-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:6px}
.card-actions button{font-size:12px;padding:10px 13px;min-height:44px}
.study-list{display:flex;flex-direction:column;gap:0;margin-top:24px;border-top:1px solid var(--line)}
.study-row{display:flex;justify-content:space-between;align-items:center;gap:22px;border-bottom:1px solid var(--line);padding:26px 0}
.study-row h2{font-size:17px;line-height:1.45;overflow-wrap:anywhere}
.study-row p{font:10px/1.8 var(--display);color:var(--muted);margin-top:10px;overflow-wrap:anywhere}
.study-row button{flex-shrink:0;font-size:12px}
.section-heading{font-family:var(--display);font-size:25px;font-weight:500;margin:40px 0 22px;letter-spacing:-.05em}
.document-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.document-card{background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:24px;display:flex;flex-direction:column;gap:14px;min-width:0}
.document-card h3{font-size:16px;line-height:1.5;overflow-wrap:anywhere;letter-spacing:-.035em}
.file-kind{font-size:9px;color:var(--accent)}
.file-meta{font-size:9px;letter-spacing:0;color:var(--muted);overflow-wrap:anywhere}
.document-toolbar{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0}
.document-toolbar button{font-size:12px}
.markdown-document{background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:38px 42px;line-height:1.8;font-size:16px;overflow-wrap:anywhere}
.markdown-document p{margin:0 0 1em;line-height:1.85}
.markdown-document h1,.markdown-document h2,.markdown-document h3,.markdown-document h4{margin:1.4em 0 .7em;line-height:1.4;letter-spacing:-.035em}
.markdown-document h1{font-size:28px}
.markdown-document h2{font-size:22px;font-family:var(--display);font-weight:500}
.markdown-document h3{font-size:18px}
.markdown-document pre{overflow:auto;background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:16px;font-size:12px;max-width:100%}
.markdown-document code{font-family:var(--display);font-size:.85em;background:var(--panel-2);padding:2px 4px;border-radius:2px}
.markdown-document pre code{padding:0;background:none}
.markdown-document table{display:block;overflow:auto;width:100%;border-collapse:collapse;margin:24px 0;font-size:13px}
.markdown-document th,.markdown-document td{padding:10px 12px;border:1px solid var(--line);text-align:left;vertical-align:top}
.markdown-document th{background:var(--panel-2)}
.markdown-document img{max-width:100%;height:auto;display:block;margin:24px auto}
.markdown-document a{color:var(--accent);text-underline-offset:3px}
.markdown-document blockquote{margin:22px 0;padding:14px 20px;border-left:2px solid var(--accent);background:var(--glow)}
.pdf-preview{width:100%;height:75dvh;border:1px solid var(--line);border-radius:3px;background:var(--panel)}
.pdf-extract{display:flex;flex-wrap:wrap;align-items:flex-end;gap:14px;margin:24px 0;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:3px}
.pdf-extract p{width:100%;font-size:13px;color:var(--muted)}
.pdf-extract label{display:flex;flex-direction:column;gap:8px;font:10px var(--display);color:var(--muted)}
.pdf-extract input{width:85px;min-height:44px;padding:10px;border:1px solid var(--line);border-radius:3px;font:14px "DM Sans",sans-serif;background:var(--paper);color:var(--ink)}
.pdf-extract button{font-size:12px}
.reader-loading{padding:50px 0;color:var(--muted);font:12px var(--display)}
.notice{color:var(--muted);font-size:13px;line-height:1.8}
.error{color:var(--red);font-size:13px;line-height:1.7}
.empty{border-radius:3px;border-color:var(--line);color:var(--muted);font-size:13px;line-height:1.8}
footer{gap:20px;padding-top:28px;margin-top:40px;border-top:1px solid var(--line);font-size:9px;line-height:1.8;color:var(--muted);letter-spacing:0}

@media(max-width:1100px){
  .library-layout{grid-template-columns:170px minmax(0,1fr)}
  .project-sidebar{padding-right:18px}
  .reading-workspace{padding-left:28px}
  .library-grid,.document-list{grid-template-columns:1fr}
}
@media(max-width:900px){
  .unlock{grid-template-columns:1fr;gap:48px;padding:65px 8vw;max-width:720px}
  .unlock-copy .intro{max-width:470px}
  .unlock-panel{padding:32px}
  .reading-index{margin-top:30px}
}
@media(max-width:700px){
  .topbar{flex-wrap:wrap;padding:18px 6vw;gap:16px}
  .brand{font-size:12px}
  .header-actions{width:100%;gap:12px}
  .theme-toggle{flex:1;width:auto}
  .header-actions .quiet{min-height:42px}
  .login{min-height:calc(100dvh - 134px)}
  .unlock{padding:46px 6vw;gap:36px}
  .unlock h1{font-size:clamp(30px,7.3vw,44px)}
  .unlock .eyebrow{font-size:9px;letter-spacing:.06em}
  .unlock-copy .intro{font-size:15px;margin-top:22px}
  .unlock-panel{padding:26px}
  .unlock-panel h2{font-size:22px}
  .reading-index{gap:14px;font-size:8px}
  .library-layout{display:block;width:88%;min-height:calc(100dvh - 134px)}
  .project-sidebar{border-right:0;border-bottom:1px solid var(--line);padding:12px 0}
  .project-sidebar>.eyebrow,.sidebar-note{display:none}
  .project-sidebar nav{flex-direction:row;overflow:auto;gap:20px;margin:0}
  .project-sidebar button{white-space:nowrap;flex-shrink:0;font-size:10px;padding:13px 0;min-height:42px}
  .reading-workspace{padding:26px 0}
  .reader-heading{gap:12px}
  .reader-heading h1{font-size:28px}
  .reader-heading>.quiet{font-size:10px;padding:9px;min-height:40px}
  .reader-heading .eyebrow{font-size:9px}
  .reader-heading .intro{font-size:13px}
  .breadcrumbs{margin-bottom:24px;gap:2px}
  .breadcrumbs button{font-size:9px}
  .library-stats{gap:22px;font-size:9px;padding:20px 0;margin:25px 0}
  .library-stats span{gap:8px}
  .library-stats strong{font-size:23px}
  .study-row{align-items:flex-start;flex-direction:column;gap:16px}
  .library-card,.document-card{padding:22px}
  .library-card h2{font-size:19px}
  .markdown-document{padding:26px 20px;font-size:15px}
  .markdown-document h1{font-size:24px}
  .markdown-document h2{font-size:20px}
  .pdf-preview{height:65dvh}
  .pdf-extract{padding:20px}
  footer{flex-direction:column;gap:8px}
}
@media(prefers-reduced-motion:reduce){button{transition:none}}