:root {
  --loop-red:    #ef4444;
  --loop-blue:   #3b82f6;
  --loop-green:  #22c55e;
  --loop-yellow: #eab308;
  --loop-purple: #a855f7;
  --loop-orange: #f97316;
}

.post-header { padding: 40px 0 20px; }
.post-header .back-link {
  color: var(--accent-2);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.post-header .back-link:hover { color: var(--accent); }
.post-header h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.1;
  margin: 18px 0 12px;
}
.post-header .subtitle {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 720px;
  line-height: 1.6;
}

/* How-to */
.how-to-card {
  padding: 26px;
  margin-top: 28px;
}
.how-to-card h2 { margin: 0 0 10px; }
.how-to-card ol {
  color: var(--muted);
  line-height: 1.7;
  padding-left: 22px;
  margin: 8px 0 0;
}
.how-to-card li { margin-bottom: 6px; }
.how-to-card li b { color: var(--text); }

/* Section headings */
.section-title {
  margin: 56px 0 16px;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}
.section-lead {
  color: var(--muted);
  max-width: 720px;
  line-height: 1.7;
  margin: 0 0 24px;
}

/* Loop library */
.loop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.loop-card {
  background: var(--card-strong);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 20px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.loop-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--loop-color);
}
.loop-card .swatch-row {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 10px;
}
.loop-swatch {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--loop-color);
  box-shadow: 0 0 18px color-mix(in oklab, var(--loop-color) 60%, transparent);
}
.loop-card .name {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: var(--loop-color);
}
.loop-card h3 {
  margin: 4px 0 6px;
  font-size: 1.15rem;
  color: var(--text);
}
.loop-card .instrument {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 10px;
}
.loop-card .how {
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.93rem;
  margin: 0 0 12px;
}
.loop-card .notation {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.85rem;
  color: var(--text);
  overflow-x: auto;
  white-space: pre;
  margin: 0;
}

/* Loop colour helpers */
.c-red    { --loop-color: var(--loop-red); }
.c-blue   { --loop-color: var(--loop-blue); }
.c-green  { --loop-color: var(--loop-green); }
.c-yellow { --loop-color: var(--loop-yellow); }
.c-purple { --loop-color: var(--loop-purple); }
.c-orange { --loop-color: var(--loop-orange); }

/* Player */
.player {
  margin-top: 28px;
  padding: 20px 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}
.player .controls { display: flex; gap: 10px; align-items: center; }
.player button {
  background: linear-gradient(135deg, var(--accent), #6d7cff);
  color: white;
  border: 0;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  font-size: 0.95rem;
}
.player button.ghost {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
}
.player .tempo {
  display: flex; align-items: center; gap: 10px;
  color: var(--muted); font-size: 0.9rem;
}
.player .tempo input[type="range"] { accent-color: var(--accent); }
.player .now-playing {
  color: var(--muted);
  font-size: 0.9rem;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}
.player .now-playing b { color: var(--accent-2); }

/* Song */
.song-section {
  margin-top: 32px;
  padding: 24px;
}
.song-section .section-tag {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--accent-2);
  font-weight: 700;
}
.song-section h3 {
  margin: 6px 0 14px;
  font-size: 1.4rem;
}
.song-section .meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin: -4px 0 18px;
}

/* Bar grid — each bar is a small cell with stripes above + text below */
.bars {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.bar {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px 12px;
  display: flex; flex-direction: column; gap: 8px;
  min-height: 92px;
  position: relative;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.bar.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 30px rgba(139,92,246,0.35);
  transform: translateY(-1px);
}
.bar .bar-num {
  position: absolute;
  top: 6px;
  right: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.bar .stripes {
  display: flex; flex-direction: column; gap: 3px;
  padding-right: 34px; /* leave room for the bar-number label */
  min-height: 10px;
}
.bar .stripe {
  height: 4px;
  border-radius: 2px;
  background: var(--loop-color);
  box-shadow: 0 0 10px color-mix(in oklab, var(--loop-color) 55%, transparent);
}
.bar .text {
  margin: 0;
  color: var(--text);
  line-height: 1.45;
  font-size: 0.98rem;
  flex: 1;
}
.bar .text .silent {
  color: var(--muted);
  font-style: italic;
}
.bar.empty .text { color: var(--muted); opacity: 0.55; }

/* Legend strip */
.legend {
  display: flex; flex-wrap: wrap;
  gap: 10px 14px; margin-top: 6px;
  color: var(--muted); font-size: 0.85rem;
}
.legend .item { display: inline-flex; align-items: center; gap: 6px; }
.legend .dot { width: 10px; height: 10px; border-radius: 3px; }

/* Footer */
.footer-note {
  margin-top: 48px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}
.footer-note a { color: var(--accent); text-decoration: none; }

/* ---------- Picker page (loopsheets/index.html) ---------- */
.song-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.song-card {
  background: var(--card-strong);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.song-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}
.song-card .swatch-strip {
  display: flex;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 4px;
}
.song-card .swatch-strip span { flex: 1; }
.song-card .artist {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-2);
  margin: 0;
}
.song-card h3 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--text);
}
.song-card .blurb {
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.95rem;
  margin: 0;
}
.song-card .open-link {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
}

@media (max-width: 720px) {
  .bars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .song-section { padding: 18px; }
}