.builder-card {
  border-radius: var(--radius-lg);
  padding: 26px;
  margin-bottom: 20px;
}

.builder-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 28px;
  align-items: start;
}

.builder-editor-col {
  min-width: 0;
}

.field-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.field-label-inline {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--muted);
}

.chord-name-input,
.template-select {
  width: 100%;
  background: var(--surface-soft);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 12px 16px;
  font-size: 1rem;
}

.chord-name-input:focus,
.template-select:focus {
  outline: none;
  border-color: var(--accent);
}

.builder-diagram-wrap {
  margin-top: 16px;
  justify-content: center;
}

.base-fret-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.stepper-btn-tiny {
  padding: 6px 14px;
  font-size: 1.1rem;
  line-height: 1;
}

.base-fret-display {
  font-weight: 700;
  min-width: 96px;
  text-align: center;
}

.builder-hint {
  margin: 16px 4px 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.builder-tools-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tool-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tool-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tool-btn {
  flex: 1 1 40px;
  min-width: 40px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--surface-soft);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 10px 6px;
  font-weight: 700;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.tool-btn:hover,
.tool-btn:focus-visible {
  transform: translateY(-1px);
  outline: none;
  border-color: rgba(255, 255, 255, 0.3);
}

.tool-btn.is-active {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
  border-color: transparent;
  color: #0b1220;
}

.tool-btn-wide {
  flex: 1 1 100%;
}

.save-chord-btn {
  width: 100%;
  padding: 14px 20px;
  font-size: 0.98rem;
}

.save-status {
  min-height: 20px;
  margin: 0;
  text-align: center;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
}

/* ── Library ───────────────────────────────────────────────── */
.library-card {
  border-radius: var(--radius-lg);
  padding: 26px;
}

.library-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.library-header h2 {
  margin: 4px 0 0;
}

.library-empty {
  color: var(--muted);
  margin: 12px 0 0;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.library-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.library-item-diagram {
  width: 100%;
  display: flex;
  justify-content: center;
}

.library-item-diagram .chord-diagram-svg {
  max-width: 150px;
}

.library-item-name {
  font-weight: 800;
  font-size: 1.05rem;
  text-align: center;
  word-break: break-word;
}

.library-item-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.library-item-btn {
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--surface-soft);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease;
}

.library-item-btn:hover,
.library-item-btn:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.library-item-btn.is-danger {
  color: var(--danger-strong);
  border-color: rgba(233, 69, 96, 0.35);
}

.library-item-btn.is-danger:hover {
  background: rgba(233, 69, 96, 0.14);
}

@media (max-width: 760px) {
  .builder-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .builder-card,
  .library-card {
    padding: 20px 16px;
  }
}

/* ── Print handout ─────────────────────────────────────────── */
@media print {
  .app-nav,
  .topbar,
  .builder-card,
  .library-header,
  .library-empty {
    display: none !important;
  }

  body {
    background: white !important;
  }

  .app-shell {
    width: 100%;
    padding: 0;
  }

  .library-card {
    box-shadow: none !important;
    border: none !important;
    background: white !important;
  }

  .library-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .library-item {
    border: 1px solid #ccc;
    break-inside: avoid;
  }

  .library-item-name {
    color: #111;
  }

  .library-item-actions {
    display: none !important;
  }

  .chord-diagram-wrap {
    background: #2b1a0c !important;
  }
}