:root{
  --bg:#eef2f7;
  --panel:#fff;
  --ink:#172033;
  --muted:#64748b;
  --muted-on-tint:#475569;
  --line:#dbe3ed;
  --blue:#2563eb;
  --editor:#0f172a;
  --editor-ink:#e2e8f0;

  --ok:#047857;
  --ok-bg:#ecfdf5;
  --bad:#b91c1c;
  --bad-bg:#fef2f2;
  --warn:#92400e;
  --warn-bg:#fffbeb;
  --tip:#1e40af;
  --tip-bg:#eff6ff;

  --mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
}

*{box-sizing:border-box}
[hidden]{display:none !important}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:15px/1.55 Inter,system-ui,sans-serif;
}

.app{max-width:1600px;margin:auto;padding:20px}

.back{
  display:inline-block;
  margin-bottom:12px;
  color:#475569;
  font-size:13px;
  font-weight:650;
  text-decoration:none;
}
.back:hover{color:var(--blue)}

header,.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:17px;
  box-shadow:0 8px 25px #0f172a10;
}

header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:15px 18px;
  margin-bottom:17px;
}
header h1{margin:0;font-size:21px}
header p{margin:1px 0;color:var(--muted);font-size:13px}

nav{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

button,.button{
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  padding:9px 13px;
  font:inherit;
  font-weight:750;
  cursor:pointer;
  color:var(--ink);
}
button:hover{border-color:#93c5fd}
button:disabled{cursor:default;opacity:.45}
button:disabled:hover{border-color:var(--line)}
button.small{padding:5px 10px;font-size:13px;border-radius:8px}
.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.primary:hover{border-color:var(--blue)}

:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
textarea:focus-visible,input:focus-visible{outline:2px solid #60a5fa;outline-offset:-2px}

.panel{overflow:hidden;display:flex;flex-direction:column;margin-bottom:17px}

.panel-head{
  min-height:55px;
  padding:10px 14px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px 12px;
  flex:none;
  flex-wrap:wrap;
}
.panel-head > strong{margin-right:auto}
.panel-head small{color:var(--muted)}
.head-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}

.mini{
  position:relative;
  border:1px solid var(--line);
  border-radius:8px;
  padding:5px 10px;
  font-size:13px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
}
.mini:hover{border-color:#93c5fd}
.mini:focus-within{outline:2px solid var(--blue);outline-offset:2px}
.mini input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hint{color:#475569;font-size:12.5px;margin:0}
.hint.pad{padding:8px 14px 12px}
.foot{text-align:center;margin-top:4px}

/* ---------- Einstellungen ---------- */

.options{padding:12px 16px;gap:10px}
.opt-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px}
.opt-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px}
.opt-label{font-size:13px;font-weight:700;color:#334155}
.dir-info{font-size:13px;color:#475569}

.viewswitch{display:flex;gap:0;flex-wrap:wrap}
.seg{
  border-radius:0;
  padding:6px 12px;
  font-size:13px;
  font-weight:700;
  color:#334155;
}
.seg + .seg{border-left:0}
.seg:first-child{border-radius:9px 0 0 9px}
.seg:last-child{border-radius:0 9px 9px 0}
.seg.is-active{background:var(--blue);border-color:var(--blue);color:#fff}
.seg.is-active:hover{border-color:var(--blue)}

.select{display:flex;align-items:center;gap:7px;font-size:13px;color:#334155;font-weight:650}
select{
  font:inherit;
  font-weight:650;
  color:var(--ink);
  border:1px solid var(--line);
  border-radius:8px;
  background:#fff;
  padding:4px 8px;
  cursor:pointer;
  max-width:100%;
}
.sample-pick select{padding:8px 10px;border-radius:10px;font-weight:750}
.checkbox{display:flex;align-items:center;gap:6px;cursor:pointer;font-size:13px;color:#334155;font-weight:650}
.checkbox input{width:15px;height:15px;accent-color:var(--blue);margin:0}

/* ---------- Meldungen ---------- */
.messages:empty{display:none}
.messages{padding:0 14px 12px;display:flex;flex-direction:column;gap:6px}
.msg{display:grid;grid-template-columns:auto minmax(0,1fr);gap:2px 8px;padding:8px 11px;border-radius:9px;font-size:13px;line-height:1.45;background:var(--bad-bg);color:var(--bad)}
.msg .icon{font-weight:800}
.msg .where{font-weight:750;margin-right:6px;font-variant-numeric:tabular-nums}
.msg .tip{grid-column:2;color:#7f1d1d}
.msg .acts{grid-column:2;display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
.msg.is-warn{background:var(--warn-bg);color:var(--warn)}
.msg.is-info{background:#f1f5f9;color:#334155}
.notice{padding:9px 14px;border-bottom:1px solid var(--line);background:var(--warn-bg);color:var(--warn);font-size:13px}

/* ---------- Eingabe ---------- */
.input-panel{padding:14px 16px 4px}
.input-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px}
.num-label{font-weight:800;font-size:15px}
.num{
  flex:1 1 420px;min-width:0;
  font:600 20px/1.3 var(--mono);
  color:var(--editor-ink);background:var(--editor);caret-color:#f8fafc;
  border:2px solid var(--editor);border-radius:12px;padding:11px 14px;
}
.num::placeholder{color:#94a3b8;font-weight:400;font-size:15px}
.num.is-bad{border-color:#f87171}
.num:focus-visible{outline:2px solid #60a5fa;outline-offset:2px}
.base-num{width:64px;font:inherit;font-weight:650;border:1px solid var(--line);border-radius:8px;padding:4px 6px;color:var(--ink);background:#fff}
.detect{margin:9px 2px 10px;font-size:13.5px;color:#334155;font-weight:600;min-height:1.2em}

/* ---------- Darstellungen ---------- */
.opts{gap:8px 16px}
.reps{display:flex;flex-direction:column}
.rep{display:grid;grid-template-columns:150px minmax(0,1fr) auto;align-items:start;gap:4px 12px;padding:9px 14px;border-bottom:1px solid #eef2f6}
.rep-label{font-weight:750;font-size:14px;padding-top:9px;color:#334155}
.rep-base{display:flex;align-items:center;gap:7px;padding-top:4px}
.rep-val{field-sizing:content;
  width:100%;min-height:40px;resize:none;overflow:hidden;
  font:500 15px/1.5 var(--mono);color:var(--editor-ink);background:var(--editor);caret-color:#f8fafc;
  border:0;border-radius:10px;padding:8px 12px;word-break:normal;overflow-wrap:anywhere;white-space:pre-wrap;
  font-variant-ligatures:none;
}
.rep-val:focus-visible{outline:2px solid #60a5fa;outline-offset:2px}
.rep .copy{margin-top:6px}
.rep-msg{grid-column:2 / -1;margin:0;font-size:12.5px;color:#475569}
.rep-msg.is-bad{color:var(--bad);font-weight:650}
.rep-msg.is-warn{color:var(--warn)}
.byte-in .rep-msg,.calc-b .rep-msg{flex-basis:100%}

/* ---------- Werkzeuge ---------- */
.tools-head{min-height:50px}
.width-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;padding:10px 14px;border-bottom:1px solid var(--line);background:#f8fafc}
.tabpanel{padding-bottom:6px}
.empty-note{padding:18px 14px}
.sub-block,.block{display:block}
.sub{color:#475569;font-size:12.5px;font-weight:500}
.wrap{word-break:break-all;white-space:pre-wrap}
.mono{font-family:var(--mono);font-size:13px}
.copy-inline{padding:1px 8px;font-size:12px;border-radius:7px;vertical-align:baseline}
button.is-done{border-color:#86efac;color:var(--ok)}

.fields{display:grid;align-content:start;align-self:start;grid-template-columns:minmax(150px,220px) minmax(0,1fr);gap:5px 14px;margin:0;font-size:13.5px}
.fields dt{color:#475569;font-weight:650}
.fields dd{margin:0;min-width:0;word-break:break-word}
.fields.tight{grid-template-columns:minmax(120px,170px) minmax(0,1fr)}
.state{font-size:11.5px;font-weight:800;border-radius:999px;padding:1px 8px;white-space:nowrap}
.state.ok{background:var(--ok-bg);color:var(--ok)}
.state.bad{background:var(--bad-bg);color:var(--bad)}
.state.info{background:#f1f5f9;color:#334155}

/* Tabellen */
.tbl-wrap{overflow-x:auto;min-width:0}
.tbl{border-collapse:collapse;width:100%;font-size:13px}
.tbl th,.tbl td{border-bottom:1px solid #eef2f6;padding:7px 8px;text-align:left;vertical-align:middle}
.tbl thead th{font-size:12px;color:#475569;font-weight:750;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl tbody th{font-weight:600}

section.sub{border-bottom:1px solid var(--line);padding-bottom:8px}
section.sub:last-child{border-bottom:0}
section.sub h2{font-size:15px;margin:0;padding:14px 14px 8px}
section.sub .tbl-wrap{padding:0 14px}
.row-acts{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:6px 14px}
.pad-fields{padding:8px 14px}
.info-line{font-size:13px;color:#475569;margin:6px 14px;font-variant-numeric:tabular-nums}
.info-line:empty{display:none}
.info-line.left{margin:0 auto 0 0}

/* Farbfelder */
.swatch-big,.sw,.gradbar,.mix-sw,.cvd-demo{
  --c:transparent;
  background-image:linear-gradient(var(--c),var(--c)),linear-gradient(45deg,#cbd5e1 25%,transparent 25%,transparent 75%,#cbd5e1 75%),linear-gradient(45deg,#cbd5e1 25%,#fff 25%,#fff 75%,#cbd5e1 75%);
  background-size:auto,12px 12px,12px 12px;background-position:0 0,0 0,6px 6px;
}
.swatch-big{flex:none;width:118px;height:118px;border-radius:16px;border:1px solid var(--line);overflow:hidden;display:flex}
.swatch-big span{flex:1}
.swatch-big:not(.split) .sw-srgb{display:none}
.sw{display:inline-block;width:18px;height:18px;border-radius:5px;border:1px solid #0f172a26;vertical-align:middle;background-size:auto,8px 8px,8px 8px;background-position:0 0,0 0,4px 4px}
.sw.big{width:30px;height:30px;border-radius:8px}
.input-row{align-items:flex-start;flex-wrap:nowrap;gap:16px}
.input-col{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
.col-line{display:flex;gap:10px;align-items:center}
.col-line .num{flex:1 1 auto}
.picker{position:relative;flex:none;width:52px;height:50px;border-radius:12px;border:1px solid var(--line);overflow:hidden;cursor:pointer}
.picker input{position:absolute;inset:-8px;width:calc(100% + 16px);height:calc(100% + 16px);border:0;padding:0;cursor:pointer;background:none}
.picker:focus-within{outline:2px solid var(--blue);outline-offset:2px}
.small-picker{width:36px;height:34px;border-radius:9px}
.alpha-line{display:flex;align-items:center;gap:10px}
.alpha-line input{flex:1;max-width:320px;accent-color:var(--blue)}
.alpha-line output{font-variant-numeric:tabular-nums;font-size:13px;min-width:48px}
.gamut{font-size:12px;font-weight:750;color:var(--warn);background:var(--warn-bg);border-radius:999px;padding:2px 10px}
.rep-label .sub{font-weight:500}

/* Kontrast */
.pair-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:12px 14px;border-bottom:1px solid var(--line);background:#f8fafc}
.other-in{width:190px;font:500 14px/1.4 var(--mono);border:1px solid var(--line);border-radius:9px;padding:7px 10px;color:var(--ink);background:#fff}
.contrast-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:16px;padding:14px}
.preview{border-radius:14px;padding:18px 20px;border:1px solid var(--line);min-width:0}
.preview p{margin:0 0 10px}
.pv-h{font-size:24px;font-weight:700;line-height:1.25}
.pv-b{font-size:16px}
.pv-s{font-size:12px}
.pv-ui{display:inline-flex;align-items:center;gap:10px}
.pv-btn{border:2px solid currentColor;border-radius:9px;padding:5px 12px;font-weight:700;font-size:14px}
.pv-icon{font-size:22px;font-weight:800}
.scores{display:flex;flex-direction:column;gap:12px;min-width:0}
.score{border:1px solid var(--line);border-radius:13px;padding:10px 14px}
.score-label{display:block;font-size:12px;font-weight:750;color:#475569}
.score-val{display:block;font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.25}
.score-note{margin:2px 0 0;font-size:13px;color:#334155}
.badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.badge-r{font-size:12px;font-weight:800;border-radius:999px;padding:2px 9px}
.badge-r.ok{background:var(--ok-bg);color:var(--ok)}
.badge-r.bad{background:var(--bad-bg);color:var(--bad)}
.cvd{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;padding:0 14px}
.cvd-box{border:1px solid var(--line);border-radius:12px;overflow:hidden;min-width:0}
.cvd-demo{font-size:22px;font-weight:800;padding:14px;text-align:center}
.cvd-meta{padding:8px 10px;font-size:13px;display:flex;flex-direction:column;gap:2px}

/* Paletten */
.strip{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));gap:6px;padding:4px 14px 8px}
.small-strip{grid-template-columns:repeat(auto-fill,minmax(84px,1fr))}
.swb{display:flex;flex-direction:column;align-items:stretch;gap:3px;padding:5px;border-radius:11px;font-weight:650;min-width:0;text-align:center}
.swb .sw.big{width:100%;height:42px;border-radius:8px}
.swb-l{font-size:12px;color:#334155}
.swb-s{font-size:11px;color:#475569;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.swb.is-anchor{border-color:var(--blue)}
.harmonies{display:flex;flex-direction:column;gap:8px;padding:4px 14px 8px}
.harm{display:grid;grid-template-columns:170px minmax(0,1fr);gap:10px;align-items:center}
.harm-sw{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}
.gradbar{height:46px;border-radius:12px;margin:6px 14px;border:1px solid var(--line)}
.mix-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:8px 14px}
.mix-row input{flex:1;max-width:280px;accent-color:var(--blue)}
.mix-row output{font-size:13px;min-width:140px}
.mix-sw{width:44px;height:34px;border-radius:9px;border:1px solid var(--line)}
.code-actions{margin-left:auto}

/* Aus Text & Bild */
.extract-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0}
.extract-grid > section{border-bottom:0;min-width:0}
.extract-grid > section + section{border-left:1px solid var(--line)}
.editor{background:var(--editor);margin:4px 14px;border-radius:12px;overflow:hidden}
.editor textarea{display:block;width:100%;height:220px;border:0;padding:12px 14px;resize:vertical;background:transparent;color:var(--editor-ink);caret-color:#f8fafc;font:12.5px/1.6 var(--mono);white-space:pre;overflow:auto}
.editor textarea:focus-visible{outline:2px solid #60a5fa;outline-offset:-2px}
.found{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:6px;padding:4px 14px}
.found:empty{display:none}
.fitem{display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-rows:auto auto;gap:0 8px;align-items:center;text-align:left;padding:6px 8px;border-radius:10px;font-weight:600;min-width:0}
.fitem .sw{grid-row:1 / span 2}
.f-main{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.f-raw{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.share{display:block;height:6px;border-radius:3px;background:#e2e8f0;overflow:hidden}
.share-in{display:block;height:100%;background:var(--blue)}
#badList{display:flex;flex-direction:column;gap:6px;padding:0 14px}
#badList:empty{display:none}
.drop{margin:4px 14px;min-height:200px;border:2px dashed var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;text-align:center;color:#475569;font-size:13.5px;padding:10px;overflow:hidden}
.drop.drag-over{border-color:var(--blue);background:#eff6ff}
.drop canvas{max-width:100%;max-height:460px;height:auto;cursor:crosshair;border-radius:8px}

/* Code */
.code-opts{padding:12px 14px;border-bottom:1px solid var(--line)}
.code-opts input[type=text]{width:160px;font:inherit;font-weight:600;border:1px solid var(--line);border-radius:8px;padding:4px 8px}
.wrapsw{gap:4px}
.wrapsw .seg{border-radius:8px !important;border-left:1px solid var(--line) !important}
.wrapsw .seg.is-active{border-color:var(--blue) !important}
.code{margin:0;padding:14px 18px;background:var(--editor);color:var(--editor-ink);font:12.5px/1.6 var(--mono);overflow:auto;max-height:62vh;tab-size:4}
.code:focus-visible{outline:2px solid #60a5fa;outline-offset:-2px}
.code-warn{padding:10px 14px;background:var(--warn-bg);color:var(--warn);font-size:13px;border-bottom:1px solid var(--line)}
.code-warn p{margin:0}
.mini{position:relative;border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:13px;font-weight:700;color:var(--ink);cursor:pointer}
.mini:hover{border-color:#93c5fd}
.mini:focus-within{outline:2px solid var(--blue);outline-offset:2px}
.mini input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}

@media(max-width:1000px){
  .contrast-grid,.extract-grid{grid-template-columns:1fr}
  .extract-grid > section + section{border-left:0;border-top:1px solid var(--line)}
  .strip{grid-template-columns:repeat(6,minmax(0,1fr))}
}
@media(max-width:700px){
  .app{padding:12px}
  header{flex-direction:column;align-items:flex-start}
  .rep{grid-template-columns:minmax(0,1fr) auto}
  .rep-label{grid-column:1 / -1;padding-top:0}
  .rep-msg{grid-column:1 / -1}
  .fields{grid-template-columns:1fr}
  .input-row{flex-wrap:wrap}
  .swatch-big{width:100%;height:70px}
  .strip{grid-template-columns:repeat(4,minmax(0,1fr))}
  .harm{grid-template-columns:1fr}
  .num{font-size:16px}
  .other-in{width:150px}
}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:4px;flex-wrap:wrap}
.tab{border:0;border-radius:9px;padding:7px 12px;font-size:14px;font-weight:700;color:#475569;background:transparent}
.tab:hover{background:#f1f5f9;color:var(--ink)}
.tab[aria-selected="true"]{background:#eff6ff;color:var(--blue)}
.tabpanel:focus-visible{outline:2px solid var(--blue);outline-offset:-2px}
.table-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:10px 14px;border-bottom:1px solid var(--line)}