:root { --op: var(--accent-cyan); }
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans, system-ui, sans-serif);
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--accent-cyan); }
h1, h2, h3 { font-family: var(--font-heading, inherit); font-weight: 650; letter-spacing: -.01em; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 18px 16px 80px; }

/* --- top bar --- */
.top {
  display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: flex-end;
  padding-bottom: 14px; border-bottom: 1px solid var(--border); margin-bottom: 20px;
}
.top .title h1 { margin: 0; font-size: 20px; }
.top .title p { margin: 2px 0 0; color: var(--muted-foreground); font-size: 12.5px; }
.spacer { flex: 1 1 auto; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.field { display: flex; flex-direction: column; gap: 3px; }
.field label { font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted-foreground); }
select, input[type=text] {
  background: var(--input, var(--card)); color: var(--foreground);
  border: 1px solid var(--border); border-radius: var(--radius-control, 8px);
  padding: 7px 9px; font: inherit; font-size: 13px; min-height: 36px;
}
input[type=text] { min-width: 130px; }
button {
  background: var(--card); color: var(--foreground);
  border: 1px solid var(--border); border-radius: var(--radius-control, 8px);
  padding: 8px 13px; font: inherit; font-size: 13px; cursor: pointer; min-height: 38px;
}
button:hover { border-color: var(--accent-purple); }
button.primary { background: var(--accent-purple); color: var(--accent-foreground, #fff); border-color: transparent; }
.dot {
  width: 11px; height: 11px; border-radius: 50%; background: var(--border);
  transition: background .06s, box-shadow .06s; flex: 0 0 auto;
}
.dot.on { background: var(--ok, var(--accent-lime)); box-shadow: 0 0 10px var(--ok, var(--accent-lime)); }
.status { font-size: 11.5px; color: var(--muted-foreground); }

/* --- panels --- */
.grid { display: grid; gap: 16px; }
@media (min-width: 900px) { .cols { grid-template-columns: 1.1fr 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-card, 14px); padding: 14px 15px;
}
.card > h2 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted-foreground); }

/* --- controls --- */
.controls { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px 14px; }
.ctrl { display: flex; flex-direction: column; gap: 4px; }
.ctrl .row { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.ctrl .name { font-size: 11px; color: var(--muted-foreground); }
.ctrl .val { font-size: 12px; font-variant-numeric: tabular-nums; color: var(--foreground); }
.ctrl input[type=range] { width: 100%; accent-color: var(--accent-purple); height: 22px; }
.ctrl select { padding: 5px 7px; min-height: 30px; font-size: 12px; }

/* --- algorithm picker --- */
.algo-top { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.algo-big { width: 190px; height: 150px; flex: 0 0 auto; background: var(--background); border: 1px solid var(--border); border-radius: 10px; }
.algo-meta { flex: 1 1 160px; min-width: 150px; }
.algo-meta .big-num { font-size: 30px; font-family: var(--font-heading, inherit); }
.algo-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; margin-top: 12px; }
.algo-thumb { background: var(--background); border: 1px solid var(--border); border-radius: 7px; padding: 2px; cursor: pointer; aspect-ratio: 1 / 1; }
.algo-thumb:hover { border-color: var(--accent-cyan); }
.algo-thumb.sel { border-color: var(--accent-purple); box-shadow: 0 0 0 1px var(--accent-purple); }
@media (max-width: 560px) { .algo-grid { grid-template-columns: repeat(6, 1fr); } }

/* --- operators --- */
.ops { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .ops { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1080px) { .ops { grid-template-columns: 1fr 1fr 1fr; } }
.op { border-left: 3px solid var(--op); }
.op h3 { margin: 0 0 8px; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.op h3 .tag { font-size: 10px; padding: 2px 7px; border-radius: 20px; background: var(--muted); color: var(--muted-foreground); text-transform: uppercase; letter-spacing: .05em; }
.op h3 .tag.carrier { background: var(--accent-purple); color: var(--accent-foreground, #fff); }
.eg { width: 100%; height: 66px; background: var(--background); border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px; }
.sub { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted-foreground); margin: 8px 0 2px; }

svg text { fill: var(--muted-foreground); }
.note { color: var(--muted-foreground); font-size: 11.5px; margin-top: 6px; }

/* --- editor landing hub (root editor/index.html) --- */
.hubgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 18px; }
.hubcard {
  display: block; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-card, 14px); padding: 16px 17px; text-decoration: none; color: inherit;
  transition: border-color .12s, transform .12s;
}
.hubcard:hover { border-color: var(--accent-purple); transform: translateY(-2px); text-decoration: none; }
.hubcard h3 { margin: 0 0 6px; font-size: 16px; display: flex; align-items: center; gap: 7px; }
.hubcard p { margin: 0; color: var(--muted-foreground); font-size: 12.5px; line-height: 1.5; }
.swatch { display: inline-block; width: 12px; height: 12px; border-radius: 50%; flex: 0 0 auto; }

/* --- macro knobs (beginner / randomizer) --- */
.macros { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px 20px; }
.grp { margin: 0 0 6px; }
.grp > h2 { margin: 22px 0 4px; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--accent-purple); }
.macro .name { font-size: 12.5px; }
.macro input[type=range] { height: 26px; }
.macro .hint { font-size: 10.5px; color: var(--muted-foreground); margin-top: -2px; }