@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root{--bg:#F8FAFC;--surface:#FFFFFF;--text:#0F172A;--text-muted:#64748B;--border:#E2E8F0;--accent:#3B82F6;--primary-action:#2563EB;--tint:#EFF6FF;--error:#B42318;--font:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:14px/1.6 var(--font)}
button,input,select,textarea{font:inherit}
button,summary,select{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.5}
a{color:var(--primary-action);text-decoration:none}
a:hover{text-decoration:underline}
button:focus-visible,summary:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.topbar{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:16px;padding:14px max(16px,calc((100% - 1000px)/2));background:var(--surface);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:10px;color:var(--accent);font-size:20px;font-weight:600;letter-spacing:-.4px;white-space:nowrap}
.brand:hover{text-decoration:none}
.language-switch{display:flex;gap:2px}
.language-switch a{padding:4px 7px;border-radius:4px;font-size:13px}
.language-switch a[aria-current]{background:var(--tint);font-weight:600}
.guide-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:center;gap:8px 16px;min-width:0}
.guide-nav a{display:flex;align-items:center;justify-content:center;min-height:40px;padding:8px 4px;font-size:13px;line-height:1.4;text-align:center;border-radius:4px}
.guide-nav a:hover{background:var(--tint)}
.guide-nav [aria-current]{font-weight:600}
main{width:100%;max-width:1032px;flex:1;margin:0 auto;padding:0 16px}
.intro{padding:24px 0 20px}
.intro h1{font-size:26px;line-height:1.25;font-weight:600;letter-spacing:-.5px;margin:0 0 6px}
.intro p{margin:0;color:var(--text-muted)}
h2{font-size:16px;font-weight:600;margin:0 0 12px}
.panel{padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:0 2px 5px #0f172a05}
.auth-panel{margin-bottom:16px}
.auth-panel form{display:flex;gap:12px;align-items:end}
.auth-panel form label{flex:1}
.auth-actions{display:flex;gap:8px;flex-wrap:wrap}
.auth-panel .signup-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
.signup-form .helper,.signup-form .auth-actions{grid-column:1/-1;margin:0}
input:not([type=checkbox]):not([type=file]):not([type=hidden]),select,textarea{border:1px solid var(--border);border-radius:4px;padding:8px 10px;color:var(--text);background:var(--surface)}
.auth-panel input{display:block;width:100%;margin-top:4px}
.signed-in{display:flex;gap:12px;align-items:center;margin-bottom:12px;font-size:12px;color:var(--text-muted)}
.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:8px 16px;border:1px solid var(--border);border-radius:4px;text-decoration:none;font-weight:500}
.primary{border-color:var(--accent);background:var(--accent);color:white}
.primary:hover:not(:disabled){background:var(--primary-action)}
.secondary{background:var(--surface);color:var(--primary-action)}
.secondary:hover{background:var(--tint)}
.small{min-height:32px;padding:4px 10px}
.text-button{padding:4px 0;border:0;background:none;color:var(--primary-action);font-size:13px}
.file-bar{display:flex;align-items:center;gap:18px;margin-bottom:20px}
.dropzone{cursor:pointer;flex-shrink:0;display:flex;flex-direction:column;gap:0}
.dropzone strong{font-weight:500}
.dropzone small{font-size:11px;color:var(--text-muted);font-weight:400}
.dropzone.drag{background:var(--tint);outline:2px solid var(--accent)}
.file-bar:focus-within .dropzone{outline:2px solid var(--accent);outline-offset:3px}
.document-title{min-width:0}
.document-title h2{margin:0;font-size:15px;overflow-wrap:anywhere}
.document-title p{margin:2px 0 0;font-size:12px;color:var(--text-muted)}
.listen-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px}
.listen-toolbar>label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}
.listen-toolbar select{padding:8px}
.status,.helper{font-size:12px;color:var(--text-muted);margin:10px 0}
.status.error{color:var(--error)}
.status:empty,.helper:empty{display:none}
.status.busy{color:var(--primary-action)}
.player{padding:10px 0}
audio{display:block;width:100%;height:40px}
.player-info{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;font-size:12px;color:var(--text-muted);margin-top:8px}
.player-info #download{margin-left:auto}
.passage-buttons{display:flex;gap:4px}
.reading-settings{padding:10px 0;margin-bottom:10px;border-top:1px solid var(--border)}
summary{color:var(--primary-action);font-size:13px}
.settings-fields{display:grid;grid-template-columns:1fr 1fr 1.5fr;gap:12px;margin-top:14px}
.settings-fields label{font-size:12px;color:var(--text-muted);min-width:0}
.settings-fields select{display:block;width:100%;margin-top:4px}
.reading-options{display:flex;gap:10px 20px;flex-wrap:wrap}
.check{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--text-muted)}
.check input{accent-color:var(--accent);margin:0}
.selection-controls{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;align-items:center}
#selection-info{margin-top:0}
#text-review{margin-top:10px}
.transcript-top{display:flex;justify-content:space-between;gap:10px;margin:12px 0 6px;font-size:12px;color:var(--text-muted)}
textarea{width:100%;height:160px;resize:vertical;line-height:1.6}
.reader-note{font-size:11px;color:var(--text-muted);margin:0;padding:16px 0 24px}
.app-footer{flex-shrink:0;background:#000;color:rgba(255,255,255,.6);border-top:1px solid #e0e0e0;text-align:center;padding:24px 32px;font-size:14px;line-height:1.6}
.app-footer a{color:rgba(255,255,255,.8);text-decoration:none}
.app-footer a:hover{color:#fff;text-decoration:underline}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.pdf-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:10px;background:var(--bg);border:1px solid var(--border);border-radius:8px 8px 0 0}.pdf-toolbar>span{font-size:12px;font-variant-numeric:tabular-nums}.pdf-toolbar label{display:flex;gap:6px;align-items:center;margin-left:auto}.pdf-toolbar select{margin:0;width:106px}.pdf-pages{position:relative;background:#e2e8f0;border:1px solid var(--border);height:65vh;min-height:320px;max-height:850px;overflow:auto;padding:16px;overscroll-behavior:contain;scrollbar-gutter:stable}.pdf-page{position:relative;margin:0 auto 16px;background:white;box-shadow:0 2px 7px #0f172a20;flex-shrink:0;overflow:hidden;color-scheme:light}.pdf-page:not(.rendered)::before{content:'Loading page ' attr(data-page) '…';position:absolute;top:25px;left:20px;color:#64748b;font-size:13px}.pdf-page canvas{position:absolute;inset:0;width:100%;height:100%}.pdf-pages .textLayer{z-index:1}.pdf-pages .textLayer span.narrating{background:rgba(250,204,21,.38);border-radius:2px}.pdf-pages .textLayer ::selection{background:rgba(59,130,246,.35)}.pdf-pages:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
html[lang=de] .pdf-page:not(.rendered)::before{content:'Seite ' attr(data-page) ' wird geladen…'}
.guide-main{max-width:840px;padding-top:24px}
.guide-main article{font-size:16px;line-height:1.8}
.guide-main h1{font-size:clamp(28px,5vw,40px);line-height:1.2;letter-spacing:-.7px}
.guide-main h2{font-size:23px;line-height:1.4;margin-top:34px}
.guide-main h3{font-size:18px;line-height:1.5}
.guide-breadcrumb,.guide-byline{font-size:13px;color:var(--text-muted)}
.direct-answer{font-size:18px;padding:20px;background:var(--tint);border-left:3px solid var(--accent);border-radius:0 8px 8px 0}
.guide-toc{padding:18px 22px;border:1px solid var(--border);border-radius:8px;margin:28px 0}
.guide-main li{margin:9px 0}
.guide-sources{font-size:14px}
.guide-cta{display:inline-flex}
@media(max-width:1000px){
  .topbar{grid-template-columns:1fr auto}.guide-nav{grid-column:1/-1;grid-row:2}
}
@media(max-width:680px){
  .topbar{gap:10px;padding:12px 16px}.brand{font-size:18px;gap:7px}.language-switch a{padding:4px 5px}
  .intro{padding:20px 0 16px}.intro h1{font-size:23px}.intro p{font-size:13px}
  .panel{padding:14px}.auth-panel form{flex-direction:column;align-items:stretch}.auth-panel input{font-size:16px}
  .auth-panel .signup-form{grid-template-columns:1fr}
  .file-bar{gap:12px;align-items:flex-start}.document-title h2{font-size:13px}.dropzone{padding:8px 12px}
  .settings-fields{grid-template-columns:1fr}.settings-fields select,textarea{font-size:16px}
  .pdf-pages{height:60vh;min-height:300px;padding:8px}.pdf-toolbar{gap:8px;padding:8px}
  .pdf-toolbar #read-page{width:100%;text-align:left;font-size:12px}
  .guide-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 12px}
  .guide-main article{font-size:15px}.direct-answer{font-size:16px;padding:14px}.guide-main h2{font-size:21px}
}