/* ==========================================================================
   Chord sheet: chordpro rendering, transpose bar, chord diagrams.
   ========================================================================== */

.song-sheet { --cp-size: 16px; }

/* ---------------------------------------------------------------- header */

.song-header { margin-bottom: 22px; }
.song-title-big { font-size: clamp(24px, 4.5vw, 38px); margin: 0 0 2px; letter-spacing: -.02em; }
.song-byline { font-size: 16px; color: var(--fg-2); margin: 0 0 14px; }
.song-facts {
  display: flex; flex-wrap: wrap; gap: 6px 20px; margin: 0 0 14px;
  padding: 12px 15px; border-radius: var(--r); background: var(--bg-2);
  border: 1px solid var(--line-soft);
}
.song-facts > div { display: flex; gap: 6px; align-items: baseline; }
.song-facts dt { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-3); font-weight: 700; }
.song-facts dd { margin: 0; font-family: var(--mono); font-size: 14px; font-weight: 600; }
.song-genres { list-style: none; display: flex; flex-wrap: wrap; gap: 5px; margin: 0 0 14px; padding: 0; }
.song-genres a {
  font-size: 12.5px; padding: 2px 10px; border-radius: 999px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--fg-2); font-weight: 600;
}
.song-genres a:hover { color: var(--fg); border-color: var(--accent); text-decoration: none; }
.song-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.fav-btn.is-on { color: var(--err); border-color: var(--err); }
.fav-btn.is-on .fav-icon { animation: pop .3s ease-out; }
@keyframes pop { 50% { transform: scale(1.35); } }
.song-edit-bar {
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
  padding: 10px 0 18px; margin-bottom: 6px; border-bottom: 1px solid var(--line-soft);
}
.song-edit-bar form { display: inline; }
.song-edit-bar-note { font-size: 13.5px; color: var(--fg-3); margin: 0 0 16px; }

/* ---------------------------------------------------------------- toolbar */

.transpose-bar {
  position: sticky; top: 60px; z-index: 40;
  display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center;
  padding: 10px 12px; margin-bottom: 18px;
  background: color-mix(in srgb, var(--bg-2) 94%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--shadow);
}
.site-header:not(.is-sticky) ~ .shell .transpose-bar { top: 8px; }
@media (max-width: 700px) { .transpose-bar { position: static; } }

.tp-group { display: flex; align-items: center; gap: 5px; }
.tp-group > label {
  margin: 0; font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--fg-3); font-weight: 700;
}
.tp-btn {
  min-width: 32px; height: 32px; padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--r-sm);
  color: var(--fg); font: inherit; font-size: 14px; font-weight: 700; cursor: pointer;
  text-decoration: none; transition: background .1s, border-color .1s;
}
.tp-btn:hover { background: color-mix(in srgb, var(--fg) 9%, var(--bg-3)); text-decoration: none; }
.tp-btn.is-on { background: var(--accent); border-color: var(--accent); color: #fff; }
.tp-value {
  min-width: 46px; text-align: center; font-family: var(--mono);
  font-size: 16px; font-weight: 700; color: var(--accent);
}
.tp-key select { width: auto; min-width: 88px; padding: 6px 26px 6px 9px; font-size: 14px; }
.tp-capo input { width: 62px; padding: 6px 8px; font-size: 14px; text-align: center; }
.tp-acc { font-size: 16px; }
.tp-reset { font-size: 12px; letter-spacing: .04em; }
.tp-print a { text-decoration: none; }

/* ---------------------------------------------------------------- chords */

.chordpro {
  font-family: var(--mono);
  font-size: var(--cp-size);
  line-height: 1.95;
  overflow-wrap: break-word;
}
.cp-infobar {
  display: flex; flex-wrap: wrap; gap: 6px 18px; font-family: var(--sans);
  font-size: 13px; color: var(--fg-3); margin-bottom: 16px;
  padding-bottom: 12px; border-bottom: 1px solid var(--line-soft);
}
.cp-infobar em { font-style: normal; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: 11px; }

.cp-block { margin-bottom: 22px; }
.cp-label {
  font-family: var(--sans); font-size: 12.5px; text-transform: uppercase;
  letter-spacing: .12em; color: var(--accent); margin: 0 0 8px; font-weight: 700;
}
.cp-lines { margin: 0; }
.cp-line { margin: 0 0 2px; white-space: pre-wrap; }
.cp-blank { height: calc(var(--cp-size) * .8); }
.cp-tab {
  font-family: var(--mono); font-size: calc(var(--cp-size) * .82);
  line-height: 1.5; background: var(--bg-2); border: 1px solid var(--line-soft);
  border-radius: var(--r-sm); padding: 12px 14px; margin: 12px 0;
  overflow-x: auto; white-space: pre; color: var(--fg-2);
}

.cp-chord {
  color: var(--chord);
  font-weight: 700;
  background: color-mix(in srgb, var(--chord) 13%, transparent);
  border-radius: 4px;
  padding: 1px 4px;
  margin: 0 1px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  transition: background .1s;
  display: inline-block;
}
.cp-chord:hover { background: color-mix(in srgb, var(--chord) 28%, transparent); }
.cp-chord.is-flash { background: var(--accent); color: #fff; }
.cp-chord-nc { opacity: .45; font-weight: 400; }
.cp-chord-mute { opacity: .5; font-weight: 400; }
.cp-chord-alt { font-weight: 600; font-style: italic; }
.cp-gap { display: inline-block; min-width: 1.2em; }

.cp-chord.is-new { animation: chord-in .35s ease-out; }
@keyframes chord-in {
  from { opacity: 0; transform: translateY(-4px) scale(.9); }
}

/* view modes */
.song-sheet.view-chords .cp-line { color: var(--chord); }
.song-sheet.view-lyrics .cp-chord { display: none; }

/* capo / key banner inside the sheet */
.cp-keyline {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  font-family: var(--sans); font-size: 13px; color: var(--fg-3);
  margin-bottom: 12px; padding: 8px 12px;
  background: var(--accent-soft); border-radius: var(--r-sm);
  border: 1px solid var(--accent-line);
}
.cp-keyline strong { color: var(--fg); }

.song-credits { margin-top: 26px; padding-top: 16px; border-top: 1px solid var(--line-soft); }
.credit { font-size: 14px; color: var(--fg-2); margin: 0 0 4px; }
.legal { font-size: 12.5px; color: var(--fg-3); margin: 0; max-width: 76ch; }

/* ---------------------------------------------------------------- diagrams */

.chord-diagrams { margin-bottom: 18px; }
.chord-diagrams summary {
  cursor: pointer; font-size: 13px; color: var(--fg-3);
  text-transform: uppercase; letter-spacing: .1em; font-weight: 700;
}
.diagram-grid {
  display: grid; gap: 12px; margin-top: 12px;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
}
.diagram {
  margin: 0; padding: 8px 6px 6px; text-align: center;
  background: var(--bg-2); border: 1px solid var(--line-soft); border-radius: var(--r-sm);
}
.diagram-svg { display: grid; place-items: center; min-height: 62px; }
.diagram figcaption { font-family: var(--mono); font-size: 12.5px; font-weight: 700; color: var(--chord); margin-top: 2px; }

/* ---------------------------------------------------------------- admin preview */

.se-preview { min-height: 180px; }
.se-preview .chordpro { font-size: 15px; }
.se-preview .cp-chord { cursor: default; }