:root{
  --bg:#202124;
  --panel:#2b2c30;
  --panel2:#33343a;
  --text:#f2f2f0;
  --muted:#b8b8b2;
  --soft:#8f918d;
  --line:#484a51;
  --accent:#e8e0d0;
  --radius:15px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px;transition:background .18s ease,color .18s ease}
.app{padding:18px;min-width:440px}
.top{display:grid;grid-template-columns:minmax(220px,1fr) minmax(260px,420px);gap:16px;align-items:start;margin-bottom:14px}
h1{margin:0 0 4px;font-size:26px;letter-spacing:-.03em}
p{margin:0;color:var(--muted);line-height:1.4}
button,input,select{font:inherit;border-radius:15px}
button{border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:15px;padding:0 16px;cursor:pointer;white-space:nowrap;min-height:43px;height:43px;display:inline-flex;align-items:center;justify-content:center}
button:hover{border-color:var(--accent)}
button.primary{background:var(--accent);color:#1f1f1f;border-color:var(--accent);font-weight:700}
.backgroundTools{display:grid;grid-template-columns:115px minmax(145px,1fr);gap:8px;align-items:end;justify-self:end;max-width:420px;width:100%}
.backgroundTools label{display:grid;gap:5px;color:var(--muted);font-size:12px}
.bgValueWrap input{font-size:13px}
.hero{display:grid;grid-template-columns:minmax(200px,1fr) minmax(245px,.82fr);gap:14px;margin-bottom:13px}
.preview{min-height:176px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.16);box-shadow:inset 0 0 0 1px rgba(0,0,0,.25)}
.readout{display:grid;gap:7px}
.readout label{display:grid;background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:9px 10px 10px}
.readout span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}
.readout input{width:100%;border:0;background:transparent;color:var(--text);padding:0;font-size:14px;line-height:1.25;font-weight:650;word-break:break-word;font-variant-numeric:tabular-nums;outline:none}
.readout input:focus{color:var(--accent)}
.readout label:focus-within{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.readout input.isInvalid,.backgroundTools input.isInvalid{color:#ff9b9b}
.controls{display:grid;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin-bottom:13px}
.control{display:block}
.labelrow{display:flex;justify-content:space-between;align-items:center;margin-bottom:2px;font-size:15px}
.labelrow output{font-variant-numeric:tabular-nums;color:var(--muted)}
input[type=range]{width:100%;height:22px;accent-color:var(--accent);cursor:pointer;display:block}
.paletteControls{display:grid;grid-template-columns:110px minmax(190px,1fr) auto auto;gap:9px;align-items:end;margin-bottom:15px}
.paletteControls label{display:grid;gap:5px;color:var(--muted);font-size:13px}
.countControl{max-width:110px}
.modeControl{min-width:190px}
input[type=number],select,.backgroundTools input{width:100%;background-color:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:15px;padding:0 11px;min-height:43px;height:43px;outline:none}
select{-webkit-appearance:none;appearance:none;border-radius:15px!important;padding-right:34px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 18px,calc(100% - 12px) 18px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
input[type=number]:focus,select:focus,.backgroundTools input:focus{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.sectionTitle{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:10px}
h2{font-size:18px;margin:0}
.sectionTitle p{font-size:13px;font-variant-numeric:tabular-nums}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(178px,1fr));gap:12px}
.swatch{border-radius:15px;border:1px solid rgba(255,255,255,.14);overflow:hidden;background:var(--panel);cursor:pointer;text-align:left;padding:0;color:inherit;white-space:normal;min-height:210px;height:auto;display:block;-webkit-appearance:none;appearance:none;line-height:normal}
.swatch:hover{border-color:var(--accent)}
.swatchColor{display:block;width:100%;height:104px;min-height:104px;margin:0;border-radius:15px 15px 0 0;border-bottom:1px solid rgba(255,255,255,.12)}
.swatchInfo{padding:10px 11px 12px;font-size:12px;color:var(--muted);line-height:1.35;font-variant-numeric:tabular-nums}
.swatchName{display:block;color:var(--text);font-weight:650;font-size:12px;line-height:1.25;margin-bottom:8px;word-break:break-word}
.valueGrid{display:grid;grid-template-columns:44px 1fr;gap:4px 8px}
.valueGrid dt{margin:0;color:var(--soft);text-transform:uppercase;letter-spacing:.06em;font-size:10px}
.valueGrid dd{margin:0;color:var(--muted);word-break:break-word}
footer{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.modal{position:fixed;inset:0;z-index:20;display:none;align-items:center;justify-content:center;padding:22px}
.modal.isOpen{display:flex}
.modalBackdrop{position:absolute;inset:0;border:0;border-radius:0;background:rgba(0,0,0,.62);padding:0;min-height:0;height:auto;cursor:default}
.modalCard{position:relative;z-index:1;width:min(760px,92vw);max-height:90vh;overflow:auto;background:var(--panel);border:1px solid rgba(255,255,255,.2);border-radius:15px;box-shadow:0 24px 70px rgba(0,0,0,.48)}
.modalClose{position:absolute;top:12px;right:12px;width:38px;height:38px;min-height:38px;padding:0;border-radius:15px;background:rgba(0,0,0,.35);border-color:rgba(255,255,255,.22);font-size:25px;line-height:1;color:#fff;z-index:2}
.modalColor{height:min(48vh,420px);min-height:260px;border-bottom:1px solid rgba(255,255,255,.14);border-radius:15px 15px 0 0}
.modalInfo{padding:18px 20px 20px}
.modalInfo h3{margin:0 0 12px;font-size:19px;letter-spacing:-.02em;word-break:break-word}
.modalValues{display:grid;grid-template-columns:72px 1fr;gap:8px 14px;margin:0;font-variant-numeric:tabular-nums}
.modalValues dt{margin:0;color:var(--soft);text-transform:uppercase;letter-spacing:.06em;font-size:11px}
.modalValues dd{margin:0;color:var(--text);word-break:break-word}
@media (max-width:860px){.top{grid-template-columns:1fr}.backgroundTools{max-width:none}}
@media (max-width:760px){.hero,.paletteControls{grid-template-columns:1fr}.preview{min-height:165px}.app{padding:15px}.palette{grid-template-columns:repeat(auto-fill,minmax(155px,1fr))}.countControl{max-width:none}.modeControl{min-width:0}.modal{padding:14px}.modalColor{min-height:220px}.backgroundTools{grid-template-columns:1fr}}

a{color:inherit;text-decoration:none;border-bottom:1px solid currentColor}
a:hover{color:var(--accent)}
.infoPage{max-width:1120px;margin:0 auto}
.infoHeader{margin-bottom:18px}
.infoHeader h1{margin-top:18px}
.infoHeader p,.infoIntro p,.modeCard p{max-width:820px}
.backLink{display:inline-flex;align-items:center;min-height:43px;padding:0 14px;border:1px solid var(--line);border-radius:15px;background:var(--panel);color:var(--text)}
.infoIntro{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:18px;margin-bottom:14px}
.infoIntro h2{margin:0 0 10px}
.infoIntro p + p{margin-top:10px}
.modeList{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.modeCard{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:16px}
.modeCard h2{margin:0 0 10px;font-size:18px;letter-spacing:-.02em}
.modeCard p + p{margin-top:10px}

@media print{
  @page{margin:14mm}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  body{background:#fff!important;color:#000!important;font-size:10pt}
  .app{padding:0;min-width:0}
  .top,.hero,.controls,.paletteControls,footer,.modal{display:none!important}
  .paletteSection{display:block!important}
  .sectionTitle{display:flex!important;margin:0 0 8mm;color:#000!important}
  .sectionTitle h2{font-size:16pt;color:#000!important}
  .sectionTitle p{color:#000!important}
  .palette{display:grid!important;grid-template-columns:repeat(3,1fr);gap:5mm}
  .swatch{display:block!important;min-height:0!important;height:auto!important;border:1px solid #bfbfbf!important;background:#fff!important;color:#000!important;border-radius:15px!important;break-inside:avoid;page-break-inside:avoid;box-shadow:none!important;overflow:hidden!important}
  .swatchColor{height:28mm!important;min-height:28mm!important;border-radius:15px 15px 0 0!important;border-bottom:1px solid #d0d0d0!important}
  .swatchInfo{padding:4mm!important;color:#000!important;font-size:8pt!important;line-height:1.25!important}
  .swatchName{color:#000!important;font-size:8pt!important;margin-bottom:3mm!important}
  .valueGrid{grid-template-columns:13mm 1fr!important;gap:1.2mm 2.5mm!important}
  .valueGrid dt{color:#555!important;font-size:6.8pt!important}
  .valueGrid dd{color:#000!important;font-size:7.2pt!important}
}

/* Farbwerte-Seite */
.checkerPage .checkerPanel h2{margin:0 0 10px}
.colorTextarea{width:100%;min-height:230px;resize:vertical;border:1px solid var(--line);border-radius:15px;background:var(--panel2);color:var(--text);padding:14px;font:inherit;line-height:1.45;outline:none;font-variant-numeric:tabular-nums}
.colorTextarea:focus{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.checkerActions{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px;margin-bottom:10px}
button.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--line)}
.hint{color:var(--muted);font-size:13px;margin-top:8px}
.checkerResults{margin-top:16px}
.tileGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}
.colorTile{border-radius:15px;overflow:hidden;border:1px solid rgba(255,255,255,.14);background:var(--panel);min-height:240px;box-shadow:none}
.colorTileSwatch{height:118px;border-bottom:1px solid rgba(255,255,255,.12);display:flex;align-items:flex-end;padding:12px;font-weight:700;letter-spacing:.02em}
.colorTileMeta{padding:11px 12px 13px;font-size:12px;color:var(--muted);line-height:1.35;font-variant-numeric:tabular-nums}
.colorTileName{color:var(--text);font-weight:650;margin-bottom:8px;word-break:break-word}
.checkerEmpty{margin-top:0}
.empty{color:var(--muted);border:1px dashed var(--line);border-radius:15px;padding:26px;text-align:center;background:transparent}
@media (max-width:760px){.tileGrid{grid-template-columns:1fr}.colorTextarea{min-height:200px}}

@media print{
  .checkerPage .infoHeader,.checkerPage .checkerPanel,.checkerPage footer{display:none!important}
  .checkerPage .checkerResults{display:block!important;margin:0!important}
  .checkerPage .sectionTitle{display:flex!important;margin:0 0 8mm;color:#000!important}
  .tileGrid{display:grid!important;grid-template-columns:repeat(3,1fr)!important;gap:5mm!important}
  .colorTile{break-inside:avoid;page-break-inside:avoid;border:1px solid #bfbfbf!important;background:#fff!important;color:#000!important;border-radius:15px!important;overflow:hidden!important;min-height:0!important}
  .colorTileSwatch{height:28mm!important;border-bottom:1px solid #d0d0d0!important}
  .colorTileMeta{padding:4mm!important;color:#000!important;font-size:7.2pt!important;line-height:1.25!important}
  .colorTileName{color:#000!important}
}

/* Mobile friendly fixes */
html{width:100%;overflow-x:hidden}
body{width:100%;overflow-x:hidden}
.app{width:100%;max-width:100%;min-width:0}
.top,.hero,.paletteControls,.backgroundTools,.readout,.controls,.paletteSection,.infoPage,.infoIntro,.modeCard,.checkerPanel{min-width:0}
.preview,.readout input,input,select,button,textarea{max-width:100%}
footer p{overflow-wrap:anywhere}

@media (max-width:640px){
  body{font-size:14px}
  .app{padding:12px;min-width:0}
  h1{font-size:22px;line-height:1.05;letter-spacing:-.025em}
  h2{font-size:17px}
  .top{gap:12px;margin-bottom:12px}
  .backgroundTools{grid-template-columns:1fr 1fr;gap:8px;width:100%;justify-self:stretch}
  .backgroundTools label{font-size:11px;min-width:0}
  .bgValueWrap{grid-column:1 / -1}
  .hero{gap:10px;margin-bottom:11px}
  .preview{min-height:140px}
  .readout{gap:6px}
  .readout label{padding:8px 9px 9px}
  .readout input{font-size:13px;line-height:1.25}
  .controls{padding:10px 11px;gap:7px;margin-bottom:11px}
  .labelrow{font-size:14px}
  input[type=range]{height:24px}
  .paletteControls{gap:8px;margin-bottom:13px}
  .paletteControls label{font-size:12px}
  .paletteControls button{width:100%}
  .sectionTitle{align-items:flex-start;flex-direction:column;gap:3px;margin-bottom:9px}
  .sectionTitle p{font-size:12px}
  .palette{grid-template-columns:1fr;gap:11px}
  .swatch{min-height:0}
  .swatchColor{height:118px;min-height:118px}
  .swatchInfo{font-size:12px;padding:10px 11px 12px}
  .valueGrid{grid-template-columns:48px 1fr;gap:4px 8px}
  footer{margin-top:15px;padding-top:12px}
  footer p{font-size:13px;line-height:1.45}
  .modal{padding:10px}
  .modalCard{width:100%;max-height:92vh}
  .modalColor{height:42vh;min-height:190px}
  .modalInfo{padding:15px}
  .modalValues{grid-template-columns:58px 1fr;gap:7px 10px}
  .infoHeader{margin-bottom:14px}
  .infoHeader h1{margin-top:14px}
  .infoIntro{padding:14px;margin-bottom:12px}
  .modeList{grid-template-columns:1fr;gap:10px}
  .modeCard{padding:14px}
  .backLink{width:100%;justify-content:center}
  .colorTextarea{min-height:210px;padding:12px;font-size:13px}
  .checkerActions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .checkerActions button{width:100%}
  .tileGrid{grid-template-columns:1fr;gap:11px}
  .colorTileSwatch{height:120px}
}

@media (max-width:380px){
  .app{padding:10px}
  h1{font-size:20px}
  .backgroundTools{grid-template-columns:1fr}
  button,input[type=number],select,.backgroundTools input{height:41px;min-height:41px}
  .preview{min-height:125px}
  .swatchColor,.colorTileSwatch{height:108px;min-height:108px}
  .valueGrid{grid-template-columns:44px 1fr}
}