/* Demo sintética: mismo lenguaje visual que los informes dark/oro. */

body.demo {
  background: var(--product-bg);
  color: var(--product-text);
}

.demo-nav {
  border-bottom: 1px solid var(--product-line);
  background: #10151c;
}
.demo-nav-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 62px;
}
.demo-nav .brand { color: var(--product-text); }
.demo-nav .brand em { color: var(--orange); }
.demo-nav .lang-switch {
  margin-left: auto;
  padding-left: 0;
  border-left: 0;
}
.demo-nav .lang-switch a { color: var(--product-muted); }
.demo-nav .lang-switch a:hover { color: var(--gold); }
.demo-nav .lang-switch a[aria-current="page"] {
  color: var(--gold);
  text-decoration-color: var(--gold);
}
.demo-nav .back {
  margin-left: 0;
  color: var(--product-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 11px;
}
.demo-nav .back:hover { color: var(--gold); }

.demo-main { padding: 54px 0 70px; }

.demo-hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 36px;
  align-items: end;
  margin-bottom: 34px;
}
.demo-hero .kicker {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.demo-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.4vw, 68px);
  line-height: 1.02;
  letter-spacing: -.03em;
  margin: 0;
}
.demo-hero p {
  color: var(--product-muted);
  font-size: 15px;
  max-width: 46ch;
}

.demo-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.report {
  background: var(--product-surface);
  border: 1px solid var(--product-line);
  border-radius: 14px;
  overflow: hidden;
}
.report-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--product-line);
  background: #10151c;
}
.report-top .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #30363d;
}
.report-top .dot:first-child { background: var(--orange); }
.report-top .title {
  flex: 1;
  min-width: 0;
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.4;
  color: var(--product-muted);
}

.report-body { padding: 22px; }

.report-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 22px;
}

.panel {
  border: 1px solid var(--product-line);
  border-radius: 10px;
  background: #121820;
  padding: 16px;
}
.panel h2 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--product-muted);
  margin: 0 0 12px;
}

.chord-grid.demo-grid { grid-template-columns: repeat(4, 1fr); }

.beats {
  display: flex;
  gap: 8px;
  margin: 16px 0 6px;
}
.beat {
  flex: 1;
  height: 34px;
  border: 1px solid var(--product-line);
  border-radius: 7px;
  background: #0f141b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--product-muted);
  transition: background .08s ease, color .08s ease, border-color .08s ease;
}
.beat.on {
  background: var(--gold);
  border-color: var(--gold);
  color: #1b1403;
}
.beat:nth-child(1) { border-color: #3d3420; }

.demo-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.demo-controls .hint {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--product-muted);
}

.target-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.target-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px solid var(--product-line);
  font-size: 13px;
  color: var(--product-muted);
}
.target-list li:last-child { border-bottom: 0; }
.target-list b {
  color: var(--product-text);
  font-weight: 500;
}
.target-list .gold { color: var(--gold); }

.scale-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}
.scale-notes span {
  font-family: var(--font-mono);
  font-size: 10px;
  border: 1px solid var(--product-line);
  border-radius: 5px;
  padding: 3px 7px;
  color: var(--blue);
}
.scale-notes span.root { color: var(--gold); border-color: rgba(240, 180, 41, .4); }

.demo-table {
  margin-top: 22px;
  border: 1px solid var(--product-line);
  border-radius: 10px;
  overflow: auto;
}
.demo-table table {
  min-width: 520px;
  font-size: 12px;
}
.demo-table thead th {
  background: #10151c;
  color: var(--product-muted);
  border-bottom: 1px solid var(--product-line);
}
.demo-table tbody td {
  border-top: 1px solid var(--product-line);
  color: var(--product-muted);
  background: transparent;
}
.demo-table tbody tr:nth-child(even) { background: rgba(255, 255, 255, .02); }
.demo-table tbody td strong { color: var(--product-text); }
.demo-table code,
.report code {
  background: #1f2630;
  color: var(--blue);
  padding: 1px 5px;
  border-radius: 4px;
}

.demo-note {
  margin-top: 18px;
  border-left: 2px solid var(--gold);
  padding: 10px 14px;
  background: rgba(240, 180, 41, .06);
  color: var(--product-muted);
  font-size: 12px;
  border-radius: 0 8px 8px 0;
}

.demo-footer {
  border-top: 1px solid var(--product-line);
  padding: 22px 0;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--product-muted);
}
.demo-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.demo-footer a { color: var(--blue); text-decoration: none; }
.demo-footer a:hover { color: var(--gold); }

@media (max-width: 860px) {
  .demo-hero { grid-template-columns: 1fr; gap: 14px; align-items: start; }
  .report-grid { grid-template-columns: 1fr; }
  .chord-grid.demo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .demo-table.table-cards {
    border: 0;
    background: transparent;
    overflow: visible;
  }
  .demo-table.table-cards table { display: block; min-width: 0; }
  .demo-table.table-cards thead { display: none; }
  .demo-table.table-cards tbody { display: grid; gap: 8px; }
  .demo-table.table-cards tbody tr {
    display: block;
    background: #121820;
    border: 1px solid var(--product-line);
    border-radius: 8px;
    padding: 10px 12px;
  }
  .demo-table.table-cards tbody tr:nth-child(even) { background: #121820; }
  .demo-table.table-cards tbody td {
    display: block;
    border: 0;
    padding: 4px 0;
    color: var(--product-muted);
  }
  .demo-table.table-cards tbody td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #6e7681;
  }
  .demo-table.table-cards tbody td:first-child {
    color: var(--product-text);
    font-size: 14px;
  }
}

@media (max-width: 520px) {
  .demo-nav .back { font-size: 15px; }
  .demo-nav .back-label { display: none; }
  .demo-main { padding: 34px 0 48px; }
  .report-body { padding: 14px; }
  .chord-grid.demo-grid { grid-template-columns: repeat(2, 1fr); }
  .beats { gap: 5px; }
  .beat { height: 30px; }
}