*{box-sizing:border-box}
:root{
  --paper:#fbf9f5; --ink:#1e1a16; --muted:#8a7e73; --line:#e8ddd0;
  --panel:#ffffff; --accent:#1a1a1a;
  --cyan:#00b7d4; --magenta:#e93a8d; --yellow:#f0c000;
}
@media(prefers-color-scheme:dark){
  :root{--paper:#12100e;--ink:#f2ece6;--muted:#a99d8f;--line:#2a2520;--panel:#1c1a18;--accent:#f2ece6}
}
html,body{margin:0;min-height:100vh}
body{
  background: var(--paper);
  color:var(--ink);
  font-family: ui-sans-system, system-ui, -apple-system, Segoe UI, Roboto, Inter, sans-serif;
  display:flex; flex-direction:column;
}
.back{margin:18px 24px 0; color:var(--muted); text-decoration:none; font-size:14px}
.back:hover{color:var(--ink)}
.head{max-width:1100px; width:100%; margin:0 auto; padding:8px 24px 0}
.eyebrow{letter-spacing:.14em;text-transform:uppercase;font-size:12px;color:var(--muted);margin:0 0 6px}
h1{margin:0;font-size:42px;letter-spacing:-.02em;line-height:1}
.lede{color:var(--muted);max-width:64ch;line-height:1.5;margin:10px 0 0}
.layout{
  max-width:1100px;width:100%;margin:0 auto;
  display:grid;grid-template-columns:320px 1fr;
  gap:20px;padding:20px 24px 28px;flex:1;
}
.left,.center{
  background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.06);
}
.swatches{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.swatch .label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:6px}
.color{height:84px;border-radius:12px;border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.6)}
.swatch code{font:12px ui-monospace, Menlo, monospace;color:var(--muted);display:block;margin-top:6px;text-align:center}
.meter{margin-bottom:14px}
.meter-head{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.meter-head strong{font-size:20px;color:var(--ink);letter-spacing:0}
.bar{height:10px;background:#eee;border-radius:99px;overflow:hidden;border:1px solid var(--line);margin-top:6px}
@media(prefers-color-scheme:dark){.bar{background:#2a2520}}
.bar i{display:block;height:100%;background:linear-gradient(90deg, var(--cyan), var(--magenta), var(--yellow));width:0%;transition:width .35s ease}
.status{min-height:22px;color:var(--muted);font-size:14px;margin:8px 0 0}
.levels{display:flex;align-items:center;gap:10px;margin:12px 0;font-size:13px;color:var(--muted)}
.dots{display:flex;gap:6px}
.dots i{width:9px;height:9px;border-radius:50%;background:var(--line);display:block}
.dots i.done{background:var(--ink)}
.dots i.active{box-shadow:0 0 0 3px rgba(0,0,0,.08);background:var(--accent)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
button{
  border:1px solid var(--line);background:var(--panel);color:var(--ink);
  padding:10px 14px;border-radius:10px;font:600 14px/1 system-ui;cursor:pointer;
}
button:hover{border-color:#bbb}
button:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
button.primary{background:var(--ink);color:var(--panel);border-color:var(--ink)}
button.ghost{background:transparent}
.hint{font-size:12px;color:var(--muted);line-height:1.5;margin:10px 0 0}
.hint kbd{border:1px solid var(--line);border-bottom-width:2px;background:var(--panel);padding:1px 6px;border-radius:6px;font-size:11px;color:var(--ink)}
.bowl-wrap{position:relative;display:grid;place-items:center}
#bowl{width:320px;height:320px;max-width:100%;display:block;border-radius:50%;border:1px solid var(--line);background:#fff;box-shadow:inset 0 12px 30px rgba(0,0,0,.08), 0 10px 20px rgba(0,0,0,.06)}
.drops{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);background:rgba(255,255,255,.9);border:1px solid var(--line);padding:4px 8px;border-radius:99px;font:12px ui-monospace,monospace;color:var(--muted)}
@media(prefers-color-scheme:dark){.drops{background:rgba(28,26,24,.9)}}
.pigments{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}
.pigment{
  display:grid;place-items:center;gap:6px;
  padding:12px 6px;border-radius:12px;
  border:1px solid var(--line);background:var(--panel);
}
.pigment i{width:28px;height:28px;border-radius:50%;display:block;border:1px solid rgba(0,0,0,.12)}
.pigment.cyan i{background:var(--cyan)}
.pigment.magenta i{background:var(--magenta)}
.pigment.yellow i{background:var(--yellow)}
.pigment.white i{background:#fff;box-shadow:inset 0 0 0 1px #ddd}
.pigment span{font-size:12px;color:var(--muted)}
.pigment span kbd{margin-left:4px}
.pigment:hover{transform:translateY(-1px)}
.sliders{display:grid;gap:8px;margin-top:14px}
.sliders label{display:grid;grid-template-columns:70px 1fr;gap:10px;align-items:center;font-size:13px;color:var(--muted)}
.sliders input{accent-color:var(--ink)}
.foot{
  display:flex;justify-content:space-between;gap:12px;
  padding:14px 24px 20px;color:var(--muted);font-size:13px;
  border-top:1px solid var(--line);max-width:1100px;width:100%;margin:0 auto;
}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--ink)}
@media(max-width:900px){.layout{grid-template-columns:1fr} h1{font-size:34px} .pigments{grid-template-columns:repeat(2,1fr)}}
@media(prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}