/* Setup-specific styles */
.page-header { padding: 4rem 0 2rem; background: var(--grad-purchase-hero); }

.setup-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.setup-step {
  display: flex; gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--border-default);
  border-radius: 12px;
  background: var(--bg-card);
  align-items: flex-start;
}
.setup-step h3 { font-family: var(--font-display); text-transform: uppercase; font-weight: 700; font-size: 1rem; letter-spacing: 0.04em; margin: 0.25rem 0 0.4rem; }
.setup-step p { margin: 0; font-size: 0.9rem; }
@media (max-width: 720px) { .setup-steps { grid-template-columns: 1fr; } }

.config-card {
  padding: 1.5rem;
  border: 1px solid var(--border-default);
  border-radius: 14px;
  background: var(--bg-card);
  margin-bottom: 1rem;
}
.config-h {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--sac-gold);
  margin: 0 0 1rem;
}
.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) { .config-grid { grid-template-columns: 1fr; } }

.color-row {
  display: grid;
  grid-template-columns: auto repeat(3, 1fr) auto;
  gap: 1rem;
  align-items: end;
}
.color-pick input[type="color"] {
  width: 56px; height: 42px;
  border: 1px solid var(--border-soft);
  border-radius: 7px;
  background: var(--bg-input);
  padding: 4px;
  cursor: pointer;
}
.led-preview {
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
  font-size: 0.75rem;
}
#led-preview-bulb {
  width: 28px; height: 28px;
  border-radius: 999px;
  background: rgb(123, 63, 173);
  box-shadow: 0 0 16px rgb(123, 63, 173);
  border: 1px solid var(--border-soft);
  transition: background 200ms, box-shadow 200ms;
}
@media (max-width: 600px) {
  .color-row { grid-template-columns: 1fr 1fr; }
  .led-preview { grid-column: span 2; flex-direction: row; }
}

.toggle-row {
  display: flex; gap: 0.85rem; align-items: center;
}

/* ── Piano-roll composer ─────────────────────────────────── */
.composer-toolbar {
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border-soft);
  border-radius: 9px;
}
.tempo-control { display: flex; align-items: center; gap: 0.75rem; flex: 1; min-width: 220px; }
.tempo-control input[type="range"] {
  flex: 1; min-width: 100px;
  accent-color: var(--sac-gold);
}
.label-mini {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--fg-3); font-weight: 600;
}
.tempo-readout {
  font-family: var(--font-display, monospace);
  font-size: 1.05rem; font-weight: 700;
  color: var(--sac-gold);
  min-width: 70px;
}
.tempo-readout small { font-size: 0.65rem; opacity: 0.7; letter-spacing: 0.1em; }
.composer-actions { display: flex; gap: 0.5rem; }

.piano-roll {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 0.75rem;
  min-height: 150px;
  background:
    repeating-linear-gradient(180deg,
      rgba(212,175,55,0.04) 0 1px,
      transparent 1px 24px),
    rgba(0,0,0,0.4);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  align-items: stretch;
}
.piano-empty {
  width: 100%;
  text-align: center;
  color: var(--fg-3);
  font-size: 0.9rem;
  padding: 1.5rem;
}

.note-card {
  display: flex; flex-direction: column;
  gap: 0.35rem;
  width: 82px;
  padding: 0.5rem;
  background: linear-gradient(180deg, rgba(212,175,55,0.06), rgba(0,0,0,0.3));
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  position: relative;
  transition: border-color 150ms, transform 150ms, box-shadow 150ms;
}
.note-card:hover { border-color: var(--sac-gold); }
.note-card.rest { background: rgba(0,0,0,0.4); border-style: dashed; }
.note-card.playing {
  border-color: var(--kings-purple);
  box-shadow: 0 0 14px rgba(123,63,173,0.55);
  transform: translateY(-2px);
}

.note-pitch {
  position: relative;
  height: 64px;
  background: rgba(0,0,0,0.45);
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  overflow: hidden;
  cursor: ns-resize;
  display: flex; align-items: flex-end;
  user-select: none;
}
.note-pitch-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--sac-gold), rgba(212,175,55,0.4));
  transition: height 80ms linear;
  pointer-events: none;
}
.note-card.rest .note-pitch-bar { background: transparent; }
.note-pitch-label {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--off-white);
  text-shadow: 0 1px 4px rgba(0,0,0,0.9);
  pointer-events: none;
  letter-spacing: 0.02em;
}
.note-card.rest .note-pitch-label { color: var(--fg-3); }

.note-lengths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.note-len-btn {
  background: transparent;
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  color: var(--fg-3);
  font-size: 0.95rem;
  line-height: 1;
  padding: 0.25rem 0;
  cursor: pointer;
  transition: all 120ms;
}
.note-len-btn:hover { color: var(--off-white); border-color: var(--border-strong); }
.note-len-btn.active {
  background: var(--sac-gold);
  border-color: var(--sac-gold);
  color: #000;
}

.note-actions {
  display: flex; gap: 2px;
}
.note-rest-toggle, .note-card .btn-remove {
  flex: 1;
  height: 22px;
  padding: 0;
  font-size: 0.75rem;
  background: transparent;
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  color: var(--fg-3);
  cursor: pointer;
  transition: all 120ms;
}
.note-rest-toggle:hover { color: var(--sac-gold); border-color: var(--sac-gold); }
.note-card.rest .note-rest-toggle { background: var(--sac-gold); color: #000; border-color: var(--sac-gold); }
.note-card .btn-remove { width: auto; height: 22px; }
.note-card .btn-remove:hover { color: var(--status-error); border-color: var(--status-error); }

.composer-legend {
  display: flex; flex-wrap: wrap; gap: 1rem;
  margin-top: 0.85rem;
  font-size: 0.78rem;
  color: var(--fg-3);
  letter-spacing: 0.04em;
}
.composer-legend .sym {
  color: var(--sac-gold);
  font-size: 1rem;
  margin-right: 0.25rem;
}

.song-table {
  width: 100%; border-collapse: collapse;
  margin-bottom: 0.75rem;
}
.song-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-3);
  font-weight: 600;
  border-bottom: 1px solid var(--border-row);
}
.song-table td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border-row);
  vertical-align: middle;
}
.song-table td:first-child { padding-left: 0; }
.song-table td:last-child  { padding-right: 0; text-align: right; width: 40px; }
.song-table select, .song-table input {
  width: 100%;
  padding: 0.45rem 0.6rem;
  background: var(--bg-input);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  color: var(--off-white);
  font: inherit;
  font-size: 0.9rem;
}
.song-table input { max-width: 100px; }

.btn-add {
  margin-top: 0.5rem;
  padding: 0.45rem 1rem;
  background: transparent;
  border: 1px dashed var(--border-strong);
  border-radius: 7px;
  color: var(--sac-gold);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 150ms, color 150ms;
}
.btn-add:hover { border-color: var(--sac-gold); color: var(--off-white); }

.btn-remove {
  width: 28px; height: 28px;
  background: transparent;
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  color: var(--fg-3);
  font-size: 0.85rem;
  cursor: pointer;
  transition: color 150ms, border-color 150ms;
}
.btn-remove:hover { color: var(--status-error); border-color: var(--status-error); }

.config-actions {
  display: flex; gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  justify-content: center;
}
.config-hint { font-size: 0.85rem; color: var(--fg-3); }