/* ============================================================
   Tool Design-System — gemeinsame Basis (Favicon-Theme)
   Ein Fundament fuer alle Tools; pro Site nur --accent & Motiv anders.
   Schrift: Geist (SIL OFL), self-hosted.
   ============================================================ */
@font-face{
  font-family:"Geist";
  src:url("/fonts/geist-sans.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
}
@font-face{
  font-family:"Geist Mono";
  src:url("/fonts/geist-mono.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
}
:root{
  --accent:#F0562E;          /* Favicon: Vermilion */
  --accent-ink:#C63D18;
  --accent-soft:rgba(240,86,46,.10);

  --bg:#F6F7F9;              /* kuehl-neutral, leicht warm gebrochen */
  --surface:#FFFFFF;
  --surface-2:#F3F4F6;
  --ink:#1A1D23;
  --muted:#59616E;
  --faint:#833; /* overwritten below */
  --faint:#8A919C;
  --line:#E4E7EC;
  --line-2:#EEF0F3;

  --ok:#2E8B57; --warn:#B26B12; --error:#C0392E;

  --r:12px; --r-sm:9px; --r-lg:16px;
  --sh:0 1px 2px rgba(20,24,32,.05), 0 6px 22px rgba(20,24,32,.06);
  --sh-lg:0 12px 44px rgba(20,24,32,.12);

  --sans:"Geist",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
  --maxw:1080px;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#111316; --surface:#181B20; --surface-2:#1F232A; --ink:#ECEEF2;
    --muted:#9AA2AE; --faint:#79808B; --line:#2A2E36; --line-2:#22262D;
    --accent:#FF6A42; --accent-ink:#FF8A66; --accent-soft:rgba(255,106,66,.14);
    --sh:0 1px 2px rgba(0,0,0,.35), 0 8px 26px rgba(0,0,0,.30);
    --sh-lg:0 14px 46px rgba(0,0,0,.5);
  }
}

/* Manuelle Umschaltung (Tag/Nacht) — ueberschreibt die System-Praeferenz */
:root[data-theme="light"]{
  --bg:#F6F7F9; --surface:#FFFFFF; --surface-2:#F3F4F6; --ink:#1A1D23;
  --muted:#59616E; --faint:#8A919C; --line:#E4E7EC; --line-2:#EEF0F3;
  --accent:#F0562E; --accent-ink:#C63D18; --accent-soft:rgba(240,86,46,.10);
  --sh:0 1px 2px rgba(20,24,32,.05), 0 6px 22px rgba(20,24,32,.06);
  --sh-lg:0 12px 44px rgba(20,24,32,.12);
}
:root[data-theme="dark"]{
  --bg:#111316; --surface:#181B20; --surface-2:#1F232A; --ink:#ECEEF2;
  --muted:#9AA2AE; --faint:#79808B; --line:#2A2E36; --line-2:#22262D;
  --accent:#FF6A42; --accent-ink:#FF8A66; --accent-soft:rgba(255,106,66,.14);
  --sh:0 1px 2px rgba(0,0,0,.35), 0 8px 26px rgba(0,0,0,.30);
  --sh-lg:0 14px 46px rgba(0,0,0,.5);
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);background:var(--bg);color:var(--ink);
  font-size:15.5px;font-weight:400;line-height:1.6;letter-spacing:-.003em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  min-height:100vh;display:flex;flex-direction:column;
}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px;border-radius:4px}
svg{display:block}
.icon{width:1.15em;height:1.15em;stroke:currentColor;fill:none;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}

/* ---------- Site header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 86%,transparent);
  backdrop-filter:saturate(1.4) blur(8px);-webkit-backdrop-filter:saturate(1.4) blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .bar{max-width:var(--maxw);margin:0 auto;padding:12px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:640;letter-spacing:-.01em;
  font-size:15px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .mark{width:26px;height:26px;border-radius:7px;background:var(--accent);
  display:grid;place-items:center;color:#fff;box-shadow:0 2px 8px var(--accent-soft)}
.brand .mark svg{width:16px;height:16px;stroke:#fff}
.site-nav{display:flex;gap:4px;align-items:center}
.site-nav a{color:var(--muted);font-size:14px;font-weight:550;padding:7px 11px;border-radius:8px}
.site-nav a:hover{color:var(--ink);background:var(--surface-2);text-decoration:none}
@media (max-width:640px){ .site-nav{display:none} }
.header-actions{display:flex;align-items:center;gap:8px}
.theme-toggle{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);
  background:var(--surface);color:var(--muted);border-radius:9px;cursor:pointer;
  transition:color .15s,background .15s}
.theme-toggle:hover{color:var(--ink);background:var(--surface-2)}
.theme-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .sun{display:block}
:root[data-theme="dark"] .theme-toggle .moon{display:none}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
main{flex:1 0 auto;padding:40px 0 56px}

.intro{max-width:60ch;margin:0 0 30px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-ink);margin-bottom:14px;display:flex;align-items:center;gap:9px}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--accent);border-radius:2px}
h1{font-size:clamp(23px,3.2vw,31px);line-height:1.1;letter-spacing:-.02em;font-weight:640;
  margin-bottom:11px;text-wrap:balance}
.subtitle{color:var(--muted);font-size:clamp(14.5px,1.5vw,16px);font-weight:400}

/* ---------- Card ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh);margin-bottom:18px}
.card h2{font-size:14px;font-weight:600;letter-spacing:-.005em;margin-bottom:16px;
  display:flex;align-items:center;gap:9px;color:var(--ink)}
.card h2 .icon{color:var(--accent);width:18px;height:18px}

/* ---------- Upload ---------- */
.upload-zone{border:2px dashed color-mix(in srgb,var(--accent) 55%,var(--line));
  border-radius:var(--r);padding:44px 20px;text-align:center;cursor:pointer;
  transition:border-color .2s,background .2s,transform .2s;background:var(--accent-soft)}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);
  background:color-mix(in srgb,var(--accent) 8%,var(--surface));transform:translateY(-1px)}
.upload-zone .icon{width:40px;height:40px;margin:0 auto 12px;color:var(--accent);stroke-width:1.6}
.upload-zone h3{font-size:16px;font-weight:600;margin-bottom:4px}
.upload-zone p{color:var(--muted);font-size:14px}
#fileInput{display:none}

/* ---------- Main grid ---------- */
.main-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:800px){.main-grid{grid-template-columns:1fr}}

/* ---------- Browser preview ---------- */
.browser-preview{background:#0f1115;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.browser-bar{background:#1b1f27;padding:9px 12px;display:flex;align-items:center;gap:10px}
.browser-dots{display:flex;gap:6px}
.browser-dots span{width:11px;height:11px;border-radius:50%;background:#39404b}
.browser-tabs{display:flex;margin-left:8px;gap:3px}
.browser-tab{background:#2a303a;padding:6px 12px;border-radius:8px 8px 0 0;display:flex;
  align-items:center;gap:8px;font-size:12px;color:#aeb6c2}
.browser-tab.active{background:#0f1115;color:#fff}
.browser-tab img,.browser-tab canvas{width:16px;height:16px;border-radius:3px}
.browser-content{height:110px;background:#151922;display:flex;align-items:center;
  justify-content:center;color:#5b6472;font-size:13px}

/* ---------- Options ---------- */
.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:14px}
.option-group > label{display:flex;align-items:center;font-size:12.5px;font-weight:650;
  color:var(--muted);margin-bottom:6px}
.option-group select,.option-group input[type="number"]{width:100%;padding:9px 11px;
  border:1px solid var(--line);border-radius:var(--r-sm);font-size:14px;background:var(--surface);
  color:var(--ink);font-family:inherit}
.option-group select:focus,.option-group input:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft)}
.checkbox-option{display:flex;align-items:center;gap:8px;padding:8px 0}
.checkbox-option input{width:17px;height:17px;accent-color:var(--accent)}
.color-input{display:flex;align-items:center;gap:10px}
.color-input input[type="color"]{width:40px;height:36px;border:1px solid var(--line);
  border-radius:7px;cursor:pointer;background:var(--surface);padding:2px}

/* ---------- Preview grid ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:12px}
.preview-item{background:var(--surface-2);border:1px solid var(--line-2);border-radius:10px;
  padding:12px 8px;text-align:center}
.preview-item canvas{display:block;margin:0 auto 8px;
  background:repeating-conic-gradient(#0000000d 0% 25%,transparent 0% 50%) 50%/8px 8px;border-radius:4px}
.preview-item .size{font-weight:600;font-size:13px}
.preview-item .label{font-size:11px;color:var(--faint)}

/* ---------- Buttons ---------- */
.btn{padding:11px 18px;border:1px solid transparent;border-radius:var(--r-sm);font-size:14px;
  font-weight:550;cursor:pointer;transition:filter .15s,background .15s,transform .1s;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit}
.btn .icon{width:16px;height:16px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{filter:brightness(1.07)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:var(--surface-2);color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{background:color-mix(in srgb,var(--accent) 8%,var(--surface-2))}
.btn-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-top:16px}
.btn-full{grid-column:1/-1}

/* ---------- Code ---------- */
.code-section{margin-top:18px}
.code-tabs{display:flex;gap:4px;margin-bottom:-1px}
.code-tab{padding:8px 15px;background:var(--surface-2);border:1px solid var(--line);border-bottom:none;
  border-radius:8px 8px 0 0;cursor:pointer;font-size:13px;color:var(--muted);font-family:inherit}
.code-tab.active{background:#0f1115;color:#fff;border-color:#0f1115}
.code-block{background:#0f1115;color:#e6e9ef;padding:16px;border-radius:0 var(--r-sm) var(--r-sm) var(--r-sm);
  font-family:var(--mono);font-size:12.5px;overflow:auto;white-space:pre-wrap;max-height:220px}
.code-block .tag{color:#ff9ec4}.code-block .attr{color:#7fd6dd}
.code-block .str{color:#9ae6a4}.code-block .comment{color:#6b7280}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(120px);
  background:var(--ink);color:var(--surface);padding:12px 22px;border-radius:var(--r-sm);
  font-weight:600;font-size:14px;opacity:0;transition:all .3s;z-index:1000;box-shadow:var(--sh-lg)}
.toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- Features ---------- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-top:8px}
.feature{background:var(--surface);border:1px solid var(--line);padding:18px;border-radius:var(--r);text-align:left}
.feature .icon{width:22px;height:22px;color:var(--accent);margin-bottom:10px}
.feature h4{font-size:14px;font-weight:600;margin-bottom:3px}
.feature p{font-size:13px;color:var(--muted)}

/* ---------- Guide (details) ---------- */
.guide-section{margin-top:18px}
.guide-toggle{font-size:15px;font-weight:700;cursor:pointer;list-style:none;display:flex;
  align-items:center;gap:9px;color:var(--ink)}
.guide-toggle::-webkit-details-marker{display:none}
.guide-toggle::before{content:"";width:8px;height:8px;border-right:2px solid var(--accent);
  border-bottom:2px solid var(--accent);transform:rotate(-45deg);transition:transform .2s;margin-left:2px}
details[open] .guide-toggle::before{transform:rotate(45deg)}
.guide-content{margin-top:18px;line-height:1.7}
.guide-content h3{font-size:15px;color:var(--ink);margin:22px 0 10px}
.guide-content h3:first-child{margin-top:0}
.guide-content p,.guide-content ul{color:var(--muted);margin-bottom:12px}
.guide-content ul{padding-left:20px}.guide-content li{margin-bottom:7px}
.guide-disclaimer{background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);
  border-radius:var(--r-sm);padding:12px 15px;font-size:13.5px;color:var(--accent-ink);margin-bottom:18px}
.guide-table{width:100%;border-collapse:collapse;margin:12px 0;font-size:13.5px}
.guide-table th,.guide-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}
.guide-table th{background:var(--surface-2);color:var(--ink);font-weight:650}
.guide-table code,.guide-content code{background:var(--surface-2);padding:2px 6px;border-radius:4px;
  font-family:var(--mono);font-size:.86em}
.guide-code{background:#0f1115;color:#e6e9ef;padding:16px;border-radius:var(--r-sm);
  font-family:var(--mono);font-size:12.5px;overflow-x:auto;white-space:pre;margin:12px 0}

/* ---------- Info tooltip ---------- */
.info-icon{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;
  background:var(--surface-2);color:var(--muted);border:1px solid var(--line);border-radius:50%;
  font-size:10px;font-weight:700;cursor:help;margin-left:5px;position:relative;font-style:normal}
.info-icon:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.info-tooltip{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);
  background:var(--ink);color:var(--surface);padding:10px 13px;border-radius:8px;font-size:12.5px;
  font-weight:400;width:220px;text-align:left;line-height:1.5;opacity:0;visibility:hidden;
  transition:all .2s;z-index:100;box-shadow:var(--sh-lg)}
.info-tooltip::after{content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);
  border:6px solid transparent;border-top-color:var(--ink)}
.info-icon:hover .info-tooltip,.info-icon:focus .info-tooltip{opacity:1;visibility:visible}
@media (max-width:600px){.info-tooltip{width:180px;left:auto;right:-10px;transform:none}
  .info-tooltip::after{left:auto;right:16px;transform:none}}

/* ---------- Cache hint ---------- */
.cache-hint{background:color-mix(in srgb,var(--ok) 10%,var(--surface));
  border:1px solid color-mix(in srgb,var(--ok) 30%,transparent);border-radius:var(--r-sm);
  padding:10px 14px;font-size:13px;color:var(--ok);margin-top:12px;display:flex;align-items:center;gap:9px}
.cache-hint .icon{width:17px;height:17px;flex:0 0 auto}
.cache-hint code{background:color-mix(in srgb,var(--ok) 16%,transparent);padding:2px 6px;
  border-radius:4px;font-family:var(--mono)}

/* ---------- Footer ---------- */
.hidden{display:none !important}
.site-footer{flex-shrink:0;border-top:1px solid var(--line);background:var(--surface);
  padding:26px 0;margin-top:20px}
.site-footer .inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;
  flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--muted)}
.site-footer nav{display:flex;flex-wrap:wrap;gap:14px}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--ink)}
.site-footer .made{color:var(--faint);font-size:12.5px}

/* ---------- Artikel-/Prosa-Typografie (Content-Seiten) ---------- */
.guide-content > p:first-of-type{font-size:16.5px;color:var(--ink)}
.guide-content h2{font-size:21px;font-weight:640;letter-spacing:-.015em;margin:30px 0 10px;color:var(--ink);text-wrap:balance}
.guide-content h2:first-child{margin-top:0}
.guide-content h3{font-size:16px;font-weight:620;color:var(--ink);margin:22px 0 8px}
.guide-content blockquote{border-left:3px solid var(--accent);margin:16px 0;padding:4px 0 4px 16px;color:var(--muted)}
.guide-content blockquote p{margin:0}
.article-meta{font-family:var(--mono);font-size:12px;color:var(--faint);letter-spacing:.02em;margin-bottom:6px}
.post + .post{margin-top:18px}
.post h2{margin-top:0}

/* ---------- Sprachwähler + RTL ---------- */
.lang-select{background:var(--surface);color:var(--muted);border:1px solid var(--line);
  border-radius:9px;padding:7px 8px;font-family:inherit;font-size:13px;cursor:pointer;max-width:10em}
.lang-select:hover{color:var(--ink)}
.lang-select:focus-visible{outline:3px solid var(--accent-soft);outline-offset:2px}
[dir="rtl"] .intro,[dir="rtl"] .guide-content{text-align:right}
[dir="rtl"] .guide-content ul{padding-left:0;padding-right:20px}
[dir="rtl"] .guide-content blockquote{border-left:none;border-right:3px solid var(--accent);padding:4px 16px 4px 0}