/* Chord dictionary — lightweight UI */
.cd-search {
  max-width: 520px;
  margin: 0 auto 20px;
}
.cd-search form {
  display: flex;
  gap: 8px;
}
.cd-search input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--cf-line);
  border-radius: 999px;
  font: inherit;
  font-size: 1.05rem;
  background: #fff;
}
.cd-search input:focus {
  outline: none;
  border-color: #99f6e4;
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}
.cd-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 16px 0 8px;
}
.cd-chip {
  border: 1px solid var(--cf-line);
  background: #fff;
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  color: var(--cf-ink);
}
.cd-chip:hover {
  border-color: #99f6e4;
  background: #f0fdfa;
  color: var(--cf-accent);
}

.cd-panel {
  background: #fff;
  border: 1px solid var(--cf-line);
  border-radius: 16px;
  padding: 24px 20px;
  margin: 12px auto 32px;
  max-width: 900px;
}
.cd-panel[hidden],
#cd-empty[hidden],
#cd-result[hidden] { display: none !important; }

.cd-empty {
  text-align: center;
  color: var(--cf-muted);
  padding: 24px;
}

.cd-head {
  text-align: center;
  margin-bottom: 20px;
}
.cd-head h2 {
  margin: 0 0 6px;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.03em;
}
.cd-meta { margin: 0; color: var(--cf-muted); font-weight: 600; font-size: 0.95rem; }
.cd-notes {
  margin: 10px 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cf-accent);
}

.cd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}
@media (max-width: 760px) {
  .cd-grid { grid-template-columns: 1fr; }
}
.cd-block h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.cd-guitar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
}
.cd-guitar-fig {
  margin: 0;
  text-align: center;
}
.cd-guitar-fig img {
  display: block;
  max-width: 140px;
  height: auto;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid var(--cf-line);
}
.cd-guitar-fig figcaption {
  font-size: 0.75rem;
  color: var(--cf-muted);
  margin-top: 4px;
}

.cd-piano-board {
  position: relative;
  display: flex;
  height: 148px;
  max-width: 560px;
  border: 1px solid var(--cf-line);
  border-radius: 10px;
  overflow: hidden;
  background: #e2e8f0;
}
.cd-piano-2oct .cd-key-white {
  font-size: 0.62rem;
}
.cd-piano-hint {
  margin: 8px 0 0;
  font-size: 0.82rem;
  color: var(--cf-muted);
}
.cd-piano-hint strong { color: var(--cf-accent); }
.cd-key-white {
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 8px;
  background: #fff;
  border-right: 1px solid #e2e8f0;
  color: #64748b;
  font-size: 0.7rem;
  font-weight: 700;
  z-index: 1;
}
.cd-key-white:last-child { border-right: none; }
.cd-key-white.is-on { background: #FFE0B2; color: #F57C00; }
.cd-key-white.is-bass { background: #F57C00; color: #fff; }
.cd-key-black {
  position: absolute;
  top: 0;
  width: 4.2%;
  height: 58%;
  z-index: 2;
  transform: translateX(-50%);
}
.cd-key-black span {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: #0f172a;
  color: #94a3b8;
  border-radius: 0 0 4px 4px;
  font-size: 0.55rem;
  font-weight: 700;
  padding-bottom: 6px;
}
.cd-key-black.is-on span { background: #F57C00; color: #fff; }
.cd-key-black.is-bass span { background: #E65100; color: #fff; box-shadow: 0 0 0 2px #FFB74D; }

.cd-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 24px;
}