/* Crate Intelligence — dashboard styles.
   Dark by default: this is a tool you look at in a dim room before a gig, and
   the charts are built around emissive colour on a dark ground. */

:root {
  --bg: #0b0d10;
  --bg-raised: #14181d;
  --bg-sunken: #090a0c;
  --line: #232a32;
  --line-soft: #1a2027;
  --ink: #e8edf2;
  --ink-dim: #9aa6b2;
  --ink-faint: #5f6b78;

  --accent: #1ed760;        /* the green everyone associates with the source */
  --deck: #8b6cff;          /* the DJ-side counterpart */
  --warn: #ff6b5b;
  --amber: #ffb020;
  --blue: #4aa8ff;

  --radius: 12px;
  --wrap: 1120px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.65 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.18; letter-spacing: -0.02em; margin: 0; }

/* ---------- hero ---------- */

.hero {
  padding: 72px 0 52px;
  background:
    radial-gradient(1000px 420px at 12% -10%, rgba(30, 215, 96, 0.13), transparent 60%),
    radial-gradient(760px 380px at 88% 0%, rgba(139, 108, 255, 0.15), transparent 62%),
    var(--bg-sunken);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  font: 500 12.5px/1 var(--mono);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(38px, 7vw, 68px);
  font-weight: 700;
  margin-bottom: 20px;
  background: linear-gradient(96deg, var(--ink) 20%, var(--accent) 62%, var(--deck) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  max-width: 68ch;
  font-size: 17.5px;
  color: var(--ink-dim);
  margin: 0 0 32px;
}
.lede strong { color: var(--ink); font-weight: 600; }

.provenance {
  margin: 28px 0 0;
  font-size: 13.5px;
  color: var(--ink-faint);
  max-width: 72ch;
}
.provenance strong { color: var(--ink-dim); font-weight: 500; }

/* ---------- stat row ---------- */

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat { background: var(--bg-raised); padding: 18px 20px; }
.stat .value {
  font: 600 27px/1.1 var(--mono);
  color: var(--ink);
  letter-spacing: -0.02em;
}
.stat .value.accent { color: var(--accent); }
.stat .value.deck { color: var(--deck); }
.stat .value.warn { color: var(--amber); }
.stat .label {
  margin-top: 7px;
  font-size: 12.5px;
  color: var(--ink-faint);
  line-height: 1.4;
}

/* ---------- sections ---------- */

section { padding: 68px 0 8px; border-top: 1px solid var(--line-soft); }
section:first-of-type { border-top: 0; }

.section-head { max-width: 74ch; margin-bottom: 30px; }
.section-head h2 { font-size: clamp(25px, 3.6vw, 34px); margin-bottom: 14px; }
.section-head p { color: var(--ink-dim); margin: 0; font-size: 15.5px; }
.section-head em { color: var(--ink); font-style: normal; font-weight: 500; }

/* ---------- cards & layout ---------- */

.card {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin: 0;
}

.card figcaption, .card h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 18px;
}

.caption {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--ink-faint);
  line-height: 1.55;
}
.caption em { color: var(--ink-dim); font-style: italic; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ---------- controls ---------- */

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 22px;
  padding: 22px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 18px;
}

.control label {
  display: block;
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 11px;
}
.control output { color: var(--accent); text-transform: none; letter-spacing: 0; }

.control.checkbox { display: flex; flex-direction: column; justify-content: center; gap: 11px; }
.control.checkbox label {
  display: flex; align-items: center; gap: 9px;
  text-transform: none; letter-spacing: 0; font-family: Inter, sans-serif;
  font-size: 13.5px; color: var(--ink-dim); margin: 0; cursor: pointer;
}
.control.checkbox input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }

.segmented { display: flex; gap: 4px; background: var(--bg-sunken); padding: 4px; border-radius: 9px; }
.segmented button {
  flex: 1;
  padding: 8px 4px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ink-dim);
  font: 500 13px Inter, sans-serif;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  text-transform: capitalize;
}
.segmented button:hover { color: var(--ink); }
.segmented button[aria-checked="true"] { background: var(--accent); color: #04140a; font-weight: 600; }

input[type="range"] {
  width: 100%; height: 4px; -webkit-appearance: none; appearance: none;
  background: var(--line); border-radius: 3px; outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 17px; height: 17px; border-radius: 50%;
  background: var(--accent); cursor: pointer; border: 3px solid var(--bg-raised);
}
input[type="range"]::-moz-range-thumb {
  width: 17px; height: 17px; border-radius: 50%; background: var(--accent);
  cursor: pointer; border: 3px solid var(--bg-raised);
}

.btn {
  padding: 10px 20px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg-raised); color: var(--ink);
  font: 500 13.5px Inter, sans-serif; cursor: pointer; transition: border-color 0.12s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- callout ---------- */

.callout {
  padding: 15px 18px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 176, 32, 0.07);
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  color: var(--ink-dim);
  margin-bottom: 18px;
}
.callout strong { color: var(--amber); font-weight: 600; }

/* ---------- setlist ---------- */

.setlist-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 14px; flex-wrap: wrap;
}

.metrics { display: flex; gap: 22px; flex-wrap: wrap; font: 500 13px var(--mono); }
.metrics span { color: var(--ink-faint); }
.metrics b { color: var(--ink); font-weight: 600; }
.metrics b.good { color: var(--accent); }
.metrics b.warn { color: var(--warn); }

.setlist { list-style: none; margin: 0; padding: 0; counter-reset: slot; }

.setlist li {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 11px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 9px;
  margin-bottom: 5px;
  background: var(--bg-raised);
}
.setlist li .slot { font: 500 13px var(--mono); color: var(--ink-faint); }
.setlist li .title { font-weight: 500; font-size: 14.5px; }
.setlist li .artist { color: var(--ink-faint); font-size: 13px; }
.setlist li .tags { display: flex; gap: 7px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }

.tag {
  font: 500 11.5px var(--mono);
  padding: 3px 8px;
  border-radius: 5px;
  background: var(--bg-sunken);
  color: var(--ink-dim);
  white-space: nowrap;
}
.tag.key { color: var(--deck); }
.tag.bpm { color: var(--blue); }
.tag.move-same_key, .tag.move-adjacent, .tag.move-relative { color: var(--accent); }
.tag.move-energy_boost, .tag.move-diagonal { color: var(--amber); }
.tag.move-clash { color: var(--warn); }
.tag.proven { color: var(--accent); background: rgba(30, 215, 96, 0.10); }

.energy-bar {
  width: 46px; height: 4px; border-radius: 2px;
  background: var(--line); overflow: hidden; flex-shrink: 0;
}
.energy-bar i { display: block; height: 100%; background: var(--deck); }

/* ---------- charts ---------- */

svg { display: block; width: 100%; height: auto; overflow: visible; }
svg text { font-family: var(--mono); fill: var(--ink-faint); }

.bar-label { fill: var(--ink-dim); font-size: 11.5px; }
.bar-value { fill: var(--ink); font-size: 11.5px; }
.axis line, .axis path { stroke: var(--line); }
.gridline { stroke: var(--line-soft); stroke-dasharray: 2 4; }

/* ---------- test readout ---------- */

.readout { font: 500 13px/1.9 var(--mono); }
.readout .row { display: flex; justify-content: space-between; gap: 18px; padding: 7px 0; border-bottom: 1px solid var(--line-soft); }
.readout .row:last-child { border-bottom: 0; }
.readout .k { color: var(--ink-faint); }
.readout .v { color: var(--ink); text-align: right; }
.readout .v.good { color: var(--accent); }
.readout .v.warn { color: var(--warn); }
.readout .note { margin-top: 16px; font: 400 13px/1.6 Inter, sans-serif; color: var(--ink-faint); }

/* ---------- method ---------- */

.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.method-grid .card h3 { color: var(--ink); text-transform: none; font-size: 15px; letter-spacing: -0.01em; margin-bottom: 9px; }
.method-grid .card p { margin: 0; font-size: 14px; color: var(--ink-dim); line-height: 1.6; }
.method-grid .card code { font: 500 12.5px var(--mono); color: var(--deck); }

.caveats ul { margin: 0; padding-left: 20px; color: var(--ink-dim); font-size: 14.5px; }
.caveats li { margin-bottom: 11px; line-height: 1.6; }
.caveats li:last-child { margin-bottom: 0; }
.caveats strong { color: var(--ink); font-weight: 600; }

/* ---------- footer ---------- */

footer { margin-top: 72px; padding: 32px 0 48px; border-top: 1px solid var(--line-soft); }
footer p { margin: 0; font-size: 13.5px; color: var(--ink-faint); }

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 40px; }
  section { padding: 48px 0 8px; }
  .setlist li { grid-template-columns: 30px 1fr; }
  .setlist li .tags { grid-column: 1 / -1; justify-content: flex-start; margin-top: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}