/* Songbook — styles. Theme via html[data-theme]. */

:root {
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

html[data-theme="light"] {
  --bg: #f6f7f9;
  --bg-panel: #ffffff;
  --bg-inset: #eef0f3;
  --text: #1c2230;
  --text-dim: #66707f;
  --border: #dde1e7;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --chord: #c2410c;
  --sung-bg: rgba(47, 111, 237, 0.08);
  --sung-text: #0b1020;
  --danger: #d33;
  --shadow: 0 1px 4px rgba(20, 30, 50, 0.09);
  --sec-intro: #8b5cf6;
  --sec-verse: #3b82f6;
  --sec-prechorus: #0d9488;
  --sec-chorus: #d97706;
  --sec-postchorus: #ca8a04;
  --sec-bridge: #db2777;
  --sec-solo: #ea580c;
  --sec-instrumental: #16a34a;
  --sec-outro: #64748b;
  --sec-other: #94a3b8;
  --sec-none: #94a3b8;
  --sec-tint: 7%;
}

html[data-theme="dark"] {
  --bg: #14171c;
  --bg-panel: #1c2027;
  --bg-inset: #23272f;
  --text: #e8eaf0;
  --text-dim: #9aa3b2;
  --border: #2e333c;
  --accent: #4d8dff;
  --accent-text: #ffffff;
  --chord: #ffa94d;
  --sung-bg: rgba(77, 141, 255, 0.12);
  --sung-text: #ffffff;
  --danger: #ff6b6b;
  --shadow: 0 1px 5px rgba(0, 0, 0, 0.35);
  --sec-intro: #a78bfa;
  --sec-verse: #60a5fa;
  --sec-prechorus: #2dd4bf;
  --sec-chorus: #fbbf24;
  --sec-postchorus: #facc15;
  --sec-bridge: #f472b6;
  --sec-solo: #fb923c;
  --sec-instrumental: #4ade80;
  --sec-outro: #94a3b8;
  --sec-other: #a3adc2;
  --sec-none: #a3adc2;
  --sec-tint: 9%;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}
button {
  font-family: inherit; font-size: 13px; color: var(--text);
  background: var(--bg-inset); border: 1px solid var(--border);
  border-radius: 7px; padding: 6px 11px; cursor: pointer; white-space: nowrap;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { color: var(--danger); }
/* glyph buttons: text icons (◐ ⚙ ☰ ✎ ⎙ ↑ ✕ ‹) render small at the base
   13px — scale them all to fill the box like the 🗑 emoji does */
button.icon { padding: 3px 7px; line-height: 1.25; font-size: 20px; }
button.active { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
input[type="text"], input[type="number"], textarea, select {
  font-family: inherit; font-size: 14px; color: var(--text);
  background: var(--bg-inset); border: 1px solid var(--border);
  border-radius: 7px; padding: 7px 10px; outline: none;
}
input:focus, textarea:focus { border-color: var(--accent); }
input[type="range"] { accent-color: var(--accent); }

/* ---------- layout ---------- */

#app { display: flex; height: 100vh; }

.sidebar {
  width: 290px; min-width: 290px; display: flex; flex-direction: column;
  background: var(--bg-panel); border-right: 1px solid var(--border);
}
/* desktop: ☰ collapses the panel (slides out left); on mobile the same
   button drives the slide-in drawer below instead */
@media (min-width: 761px) {
  .sidebar { transition: margin-left 0.18s ease; }
  .sidebar.collapsed { margin-left: -291px; }
}
.sidebar-head { padding: 12px 12px 8px; }
.fs-banner {
  margin: 10px 12px 0; padding: 8px 10px;
  background: color-mix(in srgb, var(--accent) 14%, var(--bg-panel));
  border: 1px solid var(--accent); border-radius: 8px;
  font-size: 12px; font-weight: 600; text-align: center;
  cursor: pointer; user-select: none;
}
.fs-banner:hover { background: color-mix(in srgb, var(--accent) 24%, var(--bg-panel)); }
.brand {
  font-size: 17px; font-weight: 700; letter-spacing: 0.2px;
  display: flex; align-items: center; gap: 8px; margin-bottom: 10px;
}
.brand .logo { font-size: 19px; }
.searchbox { position: relative; }
.searchbox input { width: 100%; padding-left: 30px; }
.searchbox .mag {
  position: absolute; left: 9px; top: 50%; transform: translateY(-50%);
  color: var(--text-dim); font-size: 13px; pointer-events: none;
}
.sort-row { display: flex; align-items: center; gap: 5px; padding: 8px 0 0; }
.sort-row .lbl { font-size: 11px; color: var(--text-dim); margin-right: 2px; }
.sort-row button.mini { font-size: 11.5px; padding: 3px 0; flex: 1; border-radius: 6px; }
.sort-row button.mini.ico { flex: 0 0 auto; padding: 1px 8px; font-size: 17px; line-height: 1.2; }
.sort-row button.mini.active { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

.sidebar-actions { display: flex; gap: 6px; padding: 0 12px 10px; }
.sidebar-actions button { flex: 1; }
.songlist { flex: 1; overflow-y: auto; padding: 0 6px 12px; }
.group-head {
  position: sticky; top: 0; z-index: 1;
  display: flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.9px;
  color: var(--accent); background: var(--bg-panel);
  padding: 10px 10px 4px;
  cursor: pointer; user-select: none;
}
.group-head:hover { filter: brightness(1.2); }
.group-head .cnt { color: var(--text-dim); }
.group-head .chev { font-size: 9px; width: 10px; }
.group-head .cnt {
  margin-left: auto; font-weight: 600; font-size: 10.5px;
  background: var(--bg-inset); border-radius: 10px; padding: 1px 7px;
}
/* titles indent past the group header's chevron, aligning with the artist name */
.songitem.grouped { padding: 6px 10px 6px 27px; }
.songitem.grouped .t { font-weight: 500; font-size: 13.5px; }
.songitem.grouped.sel .t { font-weight: 700; }
.songitem {
  padding: 8px 10px; border-radius: 8px; cursor: pointer; margin: 1px 0;
}
.songitem:hover { background: var(--bg-inset); }
/* selection = soft tint + accent bar, so it can't be confused with the
   accent-colored artist group headers */
.songitem.sel {
  background: color-mix(in srgb, var(--accent) 15%, var(--bg-panel));
  box-shadow: inset 3px 0 0 var(--accent);
}
.songitem.sel .t { font-weight: 700; }
.songitem .t { font-weight: 600; font-size: 14px; }
.songitem .a {
  font-size: 10.5px; font-weight: 600;
  color: color-mix(in srgb, var(--text-dim) 60%, transparent);
  text-transform: uppercase; letter-spacing: 0.7px; margin-top: 2px;
}
.songitem .match {
  font-size: 10.5px; opacity: 0.75; font-weight: 400;
  text-transform: none; letter-spacing: 0;
}
.empty-hint { padding: 24px 16px; color: var(--text-dim); font-size: 13px; text-align: center; line-height: 1.6; }

/* follow mode: words sung so far turn accent inside their line */
.line .w { transition: color 0.15s; }
.line .w.sung { color: var(--accent); font-weight: 600; }
/* follow mode: the line currently being sung */
.line.sung-cur {
  background: var(--sung-bg); border-radius: 6px;
  color: var(--sung-text); font-weight: 700;
  /* widen the highlight without shifting layout */
  box-shadow: -10px 0 0 var(--sung-bg), 10px 0 0 var(--sung-bg);
  position: relative;
  transition: background-color 0.25s;
}
#follow-btn.listening {
  color: #e5484d; border-color: #e5484d;
  animation: follow-pulse 1.6s ease-in-out infinite;
}
@keyframes follow-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.line.sung-cur::before {
  content: ""; position: absolute; left: -17px; top: 22%; bottom: 22%;
  width: 3px; border-radius: 2px; background: var(--accent);
}

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

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

.toolbar {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  padding: 8px 14px; background: var(--bg-panel); border-bottom: 1px solid var(--border);
}
.toolbar .titleblock { margin-right: auto; min-width: 0; }
/* song toolbar: key left, title truly centered, controls right */
.toolbar.song-tb { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.song-tb .tb-left, .song-tb .tb-right { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.song-tb .tb-right { justify-content: flex-end; }
.song-tb .tb-center {
  min-width: 0; display: flex; align-items: center;
  justify-content: center; gap: 10px;
}
.song-tb .titleblock { margin-right: 0; text-align: center; min-width: 0; }
/* mic spans the full title + artist height */
button.tb-mic {
  height: 46px; width: 46px; padding: 0; flex: none;
  font-size: 23px; border-radius: 10px;
}
.toolbar .titleblock .t {
  font-size: 24px; font-weight: 800; letter-spacing: -0.3px; line-height: 1.2;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.toolbar .titleblock .a {
  font-size: 12.5px; font-weight: 600; margin-top: 1px;
  color: color-mix(in srgb, var(--text-dim) 75%, transparent);
  text-transform: uppercase; letter-spacing: 0.7px;
}
.chip {
  display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px;
  border-radius: 20px; background: var(--bg-inset); border: 1px solid var(--border);
  color: var(--text-dim); margin-left: 7px; vertical-align: 4px;
}
.tgroup { display: flex; align-items: center; gap: 3px; background: var(--bg-inset); border-radius: 8px; padding: 2px; }
.tgroup.keygrp { border: 1.5px solid color-mix(in srgb, var(--accent) 70%, transparent); }
.tb-key-lbl {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--text-dim); margin: 0 0 0 4px;
}
.key-chip {
  /* primary weight, like the Fit/Chords/Triads buttons */
  background: var(--accent) !important;
  border: none; border-radius: 6px !important;
  font-size: 13px; font-weight: 700; padding: 5px 11px !important;
  color: var(--accent-text);
  /* mixed font sizes inside — flex-center them instead of baseline-aligning */
  display: inline-flex; align-items: center; gap: 5px;
}
.key-chip .kx { color: var(--accent-text); font-size: 17px; line-height: 1; }
/* capo: its own chip beside the key group — same accent family, clearly
   separate from the transpose controls */
.capo-chip {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 700; color: var(--text-dim);
  background: color-mix(in srgb, var(--accent) 16%, var(--bg-inset));
  border: 1.5px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 8px; padding: 6px 11px;
}
.capo-chip b { color: var(--accent); font-size: 15px; line-height: 1; }
.key-chip .was {
  color: color-mix(in srgb, var(--accent-text) 75%, transparent);
  font-weight: 500; font-size: 11.5px;
}
.key-chip:hover { filter: brightness(1.12); }

.key-menu {
  position: fixed; z-index: 70;
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.35);
  padding: 12px; min-width: 250px;
}
.key-menu .km-title { font-size: 12px; font-weight: 700; color: var(--text-dim); margin-bottom: 8px; }
.key-menu .km-sub { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text-dim); margin: 8px 0 4px; }
.key-menu .km-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; }
.key-menu .km-key {
  position: relative; padding: 8px 0 ; font-size: 13.5px; font-weight: 600;
  display: flex; flex-direction: column; align-items: center; gap: 1px;
}
.key-menu .km-key .km-o { font-size: 8.5px; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.4px; }
.key-menu .km-key.orig { border-color: var(--text-dim); }
.key-menu .km-key.cur { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.key-menu .km-key.cur .km-o { color: rgba(255,255,255,0.8); }
.tgroup .lbl { font-size: 11px; color: var(--text-dim); padding: 0 4px; }
.tgroup button { border: none; background: transparent; padding: 4px 8px; }
.tgroup .val { font-size: 12.5px; font-weight: 600; min-width: 26px; text-align: center; }

/* ---------- song content ---------- */

.song-scroll { flex: 1; overflow-y: auto; scroll-behavior: auto; }
.song-body { max-width: 860px; margin: 0 auto; padding: 18px 22px 50vh; }

/* fit-to-viewport mode: the whole song in dynamically sized columns */
.song-scroll.fit { overflow: hidden; }
.song-scroll.fit .song-body {
  max-width: none; height: 100%; margin: 0;
  padding: 12px 16px;
  column-fill: auto;
  column-gap: 26px;
  column-rule: 1px solid var(--border);
}
.song-scroll.fit .section { break-inside: auto; margin: 8px 0 10px; }
.song-scroll.fit .section-head { break-after: avoid; }
.song-scroll.fit .line, .song-scroll.fit pre.tabline { break-inside: avoid; }
/* the strips live above the columns now — pinned edge to edge, closed by
   a single bottom divider (mirrors the scales column's left divider) */
/* strip collapse: ⌃ tucks the charts into a slim rail at the top */
.strip-collapse {
  position: absolute; top: 5px; right: 7px; z-index: 2;
  font-size: 13px; padding: 2px 7px; color: var(--text-dim);
  background: none; border: none;
}
.strip-collapse:hover { color: var(--text); border: none; }
/* edge-to-edge bar with only its bottom line — together with the scales
   rail it frames the lyrics (top + right) */
.strip-rail {
  position: relative;
  margin: 0; padding: 5px 0; text-align: center;
  font-size: 13.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--text-dim); cursor: pointer;
  background: var(--bg-inset); border: none;
  border-bottom: 1px solid var(--border); border-radius: 0;
}
.strip-rail:hover { background: var(--border); color: var(--text); }
.strip-rail .rail-caret {
  position: absolute; right: 14px; top: 4px;
  transform: rotate(-90deg);   /* « pointing down */
}
.song-cols { flex: 1; min-height: 0; display: flex; }

.diagram-strip {
  display: flex; gap: 4px; flex-wrap: wrap; align-items: flex-start;
  padding: 10px 12px 6px;
  border-bottom: 1px solid var(--border);
}
/* charts shrink equally so the whole strip stays on one centered line no
   matter how many chords the song has; flex-basis is the max (roomy) size */
.diagram-strip { flex-wrap: nowrap; justify-content: center; overflow-x: auto; position: relative; }
.diagram-strip .dg {
  cursor: pointer; border-radius: 8px; padding: 2px;
  /* cards scale with the viewport: full size on big monitors, smaller on
     laptops so the strip yields vertical space to the lyrics */
  flex: 0 1 clamp(70px, 12vmin, 170px); min-width: 55px;
}
.diagram-strip .dg:hover { background: var(--bg-inset); }
.diagram-strip .chord-svg { width: 100%; height: auto; display: block; }
.chord-svg .cd-name { fill: var(--text); }
.chord-svg .cd-nut { fill: var(--text); }
.chord-svg .cd-fret, .chord-svg .cd-string { stroke: var(--text-dim); }
.chord-svg .cd-dot { fill: var(--text); }
.chord-svg .cd-barre { fill: var(--text); opacity: 0.85; }
.chord-svg .cd-open { stroke: var(--text); }
.chord-svg .cd-mute { stroke: var(--text-dim); }
.chord-svg .cd-finger { fill: var(--bg-panel); font-weight: 700; }
.chord-svg .cd-basefret {
  fill: var(--text-dim); font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  text-decoration-color: color-mix(in srgb, var(--text-dim) 45%, transparent);
  /* halo: stays readable if a barre or dot crowds the label */
  paint-order: stroke; stroke: var(--bg-panel); stroke-width: 2px;
}
/* interval-role coloring (triad charts): tokens shared with the fretboard */
.chord-svg .cd-r circle { fill: var(--fb-r); }
.chord-svg .cd-3 circle { fill: var(--fb-3); }
.chord-svg .cd-5 circle { fill: var(--fb-5); }
.chord-svg .cd-7 circle { fill: var(--fb-7); }
.chord-svg .cd-n circle { fill: var(--text-dim); }
.chord-svg .cd-role { font-weight: 700; fill: #101319; }
.chord-svg .cd-r .cd-role { fill: #ffffff; }
/* light theme: all role fills are deep tones -> white labels throughout */
html[data-theme="light"] .chord-svg .cd-role { fill: #ffffff; }

/* section blocks — the highlighting */
.section {
  margin: 14px 0; border-radius: 10px; overflow: hidden;
  border-left: 4px solid var(--sec-color, var(--sec-other));
  background: color-mix(in srgb, var(--sec-color, var(--sec-other)) var(--sec-tint), var(--bg));
}
.section[data-type="intro"]        { --sec-color: var(--sec-intro); }
.section[data-type="verse"]        { --sec-color: var(--sec-verse); }
.section[data-type="prechorus"]    { --sec-color: var(--sec-prechorus); }
.section[data-type="chorus"]       { --sec-color: var(--sec-chorus); }
.section[data-type="postchorus"]   { --sec-color: var(--sec-postchorus); }
.section[data-type="bridge"]       { --sec-color: var(--sec-bridge); }
.section[data-type="solo"]         { --sec-color: var(--sec-solo); }
.section[data-type="instrumental"] { --sec-color: var(--sec-instrumental); }
.section[data-type="outro"]        { --sec-color: var(--sec-outro); }
.section[data-type="none"] { background: transparent; border-left-color: transparent; }

.section-head {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px 0;
  cursor: pointer; user-select: none;
}
.section-label {
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px;
  color: var(--sec-color, var(--sec-other));
}
.section-repeat { font-size: 11.5px; font-weight: 700; color: var(--text-dim); }
.section-collapse { margin-left: auto; color: var(--text-dim); font-size: 11px; }
.section-lines { padding: 6px 14px 12px; }
.section.collapsed .section-lines { display: none; }

.line { line-height: 1.35; }
.line.blank { height: 0.7em; }
.line.lyric-only { white-space: pre-wrap; }
.line.comment { color: var(--text-dim); font-style: italic; font-size: 0.92em; padding: 2px 0; }

/* chord-over-lyric segments */
.cl { white-space: pre-wrap; }
.cl .seg { display: inline-block; vertical-align: bottom; white-space: pre; }
.cl .seg .c {
  display: block; min-height: 1.25em; line-height: 1.2;
  color: var(--chord); font-weight: 700; font-size: 0.94em;
  padding-right: 6px;
}
.cl .seg .c.clickable { cursor: pointer; }
.cl .seg .c.clickable:hover { text-decoration: underline; }
.cl .seg .c.ann { color: var(--text-dim); cursor: default; }
.chordrow .ann { color: var(--text-dim); font-weight: 600; }
.cl .seg .l { display: block; white-space: pre-wrap; min-height: 1.2em; }

/* chords-only row */
.chordrow { font-family: var(--font-mono); white-space: pre; overflow-x: auto; }
.chordrow .c { color: var(--chord); font-weight: 700; cursor: pointer; }
.chordrow .c:hover { text-decoration: underline; }

pre.tabline {
  font-family: var(--font-mono); font-size: 0.85em; line-height: 1.3;
  color: var(--text-dim); overflow-x: auto; white-space: pre;
}

/* ---------- modals ---------- */

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(10, 12, 16, 0.55);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  width: min(96vw, 1060px); max-height: 92vh; display: flex; flex-direction: column;
}
.modal.small { width: min(94vw, 480px); }
.modal.subs { width: min(94vw, 600px); }
.modal-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px 10px; border-bottom: 1px solid var(--border);
}
.modal-head h2 { font-size: 16px; margin-right: auto; }
.modal-body { padding: 14px 18px; overflow-y: auto; }
.modal-foot {
  display: flex; gap: 8px; justify-content: flex-end;
  padding: 12px 18px; border-top: 1px solid var(--border);
}

/* import modal */
.import-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; min-height: 0; }
.import-grid .col { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.import-fields { display: flex; gap: 8px; flex-wrap: wrap; }
.import-fields label { font-size: 11.5px; color: var(--text-dim); display: block; margin-bottom: 3px; }
.import-fields .f-title { flex: 2 1 160px; }
.import-fields .f-artist { flex: 2 1 140px; }
.import-fields .f-key { flex: 0 1 110px; }
.import-fields .f-capo { flex: 0 1 70px; }
.import-fields input, .import-fields select { width: 100%; }
.paste-area {
  width: 100%; flex: 1; min-height: 340px; resize: vertical;
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.4;
  white-space: pre; overflow-wrap: normal; overflow-x: auto;
}
.import-preview {
  flex: 1; min-height: 340px; overflow-y: auto; font-size: 13.5px;
  border: 1px solid var(--border); border-radius: 10px; padding: 4px 12px;
  background: var(--bg);
}
.import-preview .section { margin: 10px 0; }
.preview-meta { font-size: 12px; color: var(--text-dim); }
.ug-hint { font-size: 12px; color: var(--text-dim); line-height: 1.5; }
.ug-hint a { color: var(--accent); }

/* chord detail modal */
.voicing-pager { display: flex; align-items: center; justify-content: center; gap: 14px; padding: 8px 0; }
.voicing-pager .vp-num { font-size: 12px; color: var(--text-dim); min-width: 46px; text-align: center; }
.voicing-big { display: flex; flex-direction: column; align-items: center; }
.voicing-big .chord-svg { width: 206px; height: 224px; }

/* substitutions modal */
.sub-head {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.7px;
  color: var(--text-dim); margin: 12px 0 6px;
}
.sub-note { font-size: 11px; color: var(--text-dim); text-align: center; padding-top: 4px; }
.sub-key {
  font-size: 14.5px; font-weight: 700; color: var(--accent); margin-left: 2px;
  /* light pill so the key value stands apart from the dim "KEY" label */
  background: var(--bg-inset); padding: 2px 9px; border-radius: 7px;
}
.sub-items { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sub-item {
  display: flex; align-items: center; gap: 10px; text-align: left; padding: 8px;
  border-radius: 10px; background: var(--bg-inset); border: 1px solid var(--border);
  cursor: pointer;
  min-width: 0;          /* let the 1fr grid columns actually share the row */
  white-space: normal;   /* buttons default to nowrap; reasons must wrap */
}
.sub-item:hover { border-color: var(--accent); }
.sub-dg { flex: 0 0 auto; }
.sub-dg .chord-svg { width: 103px; height: 112px; display: block; }
.sub-txt { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.sub-sym { font-size: 15.5px; font-weight: 700; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.sub-roman { font-size: 12px; font-weight: 600; color: var(--accent); font-style: normal; }
.sub-why { font-size: 12px; color: var(--text-dim); line-height: 1.4; }
.sub-more { font-size: 12px; color: var(--text-dim); text-align: center; padding: 8px 0 0; }
.sub-empty { font-size: 13px; color: var(--text-dim); text-align: center; padding: 10px 0 2px; }

/* setlists */
.setlist-row {
  display: flex; align-items: center; gap: 8px; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 10px; margin-bottom: 8px;
  background: var(--bg-panel);
}
.setlist-row .n { font-weight: 600; margin-right: auto; cursor: pointer; }
.setlist-songs { list-style: none; }
.setlist-songs li {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.setlist-songs li .t { margin-right: auto; }
.setlist-songs li .t .a { color: var(--text-dim); font-size: 12px; }
.page-pad { padding: 18px 22px; max-width: 860px; margin: 0 auto; width: 100%; overflow-y: auto; }
.page-pad h1 { font-size: 20px; margin-bottom: 14px; }

/* settings rows */
.set-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.set-row:last-child { border-bottom: none; }
.set-row .lab { margin-right: auto; font-size: 14px; }
.set-row .sub { font-size: 11.5px; color: var(--text-dim); }

/* toast */
#toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--bg); font-size: 13.5px; font-weight: 600;
  padding: 9px 18px; border-radius: 24px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity 0.25s; z-index: 99;
}
#toast.show { opacity: 1; }

/* setlist perform bar */
.perform-bar {
  display: flex; align-items: center; gap: 8px; padding: 6px 14px;
  background: var(--bg-inset); border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.perform-bar .pos { color: var(--text-dim); margin-right: auto; }

/* ---------- triad strip (song view) ---------- */

.triad-strip {
  position: relative;
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--border);
}
.ts-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; padding-right: 28px; }
.ts-lab {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.7px;
  color: var(--text-dim);
}
.pos-seg { display: flex; gap: 4px; flex-wrap: wrap; }
.ts-sub {
  font-size: 9.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px;
  color: color-mix(in srgb, var(--text-dim) 70%, transparent); margin-left: 6px;
}
.pos-seg .mini, .ts-explore { font-size: 11.5px; padding: 3px 9px; border-radius: 6px; }
.pos-seg .mini.active { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.ts-explore { margin-left: 6px; color: var(--accent); }
.ts-tiles {
  display: flex; gap: 6px; flex-wrap: nowrap; justify-content: center;
  align-items: flex-start; overflow-x: auto;
}
.ts-tile {
  display: flex; flex-direction: column; align-items: center; gap: 1px;
  flex: 0 1 clamp(70px, 12vmin, 170px); min-width: 55px;
}
.ts-orig { font-size: 10px; font-weight: 600; color: var(--text-dim); line-height: 1.2; }
/* the chart SVG carries ~10px of internal bottom padding — pull the caption
   up so it sits right under the grid */
.ts-cap {
  font-size: 10px; color: var(--text-dim); display: flex; gap: 5px; align-items: center;
  margin-top: -8px;
}
.ts-flag {
  font-size: 9px; font-weight: 700; padding: 0 5px; border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent);
}
.ts-flag.out {
  background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger);
}
.ts-missing {
  display: flex; align-items: center; justify-content: center;
  width: 100%; aspect-ratio: 82 / 102; border: 1px dashed var(--border); border-radius: 8px;
  font-size: 11px; color: var(--text-dim); text-align: center;
}
.triad-strip .dg { cursor: pointer; border-radius: 8px; padding: 2px; width: 100%; }
.triad-strip .dg:hover { background: var(--bg-inset); }
/* scales column: all five CAGED positions, nut first, pinned to the right
   edge — one row per position (key's pentatonic + parallel flavor), rows
   share the height equally and the charts scale with the viewport */
/* deterministic width (never derived from height — tall narrow windows used
   to balloon the cards past the viewport edge); charts contain-fit both ways */
.scale-col {
  flex: 0 0 clamp(230px, 30vw, 420px); display: flex; flex-direction: column; gap: 5px;
  padding: 8px 12px 10px; border-left: 1px solid var(--border);
  overflow: hidden;
}
.scale-col .ts-zone-head { flex: 0 0 auto; padding-bottom: 1px; position: relative; }
.scale-col .ts-zone-head .ts-lab { font-size: 14px; letter-spacing: 1px; }
.sc-collapse {
  position: absolute; right: -6px; top: -4px;
  font-size: 13px; padding: 2px 7px; color: var(--text-dim);
  background: none; border: none;
}
.sc-collapse:hover { color: var(--text); border: none; }
/* collapsed: a slim clickable rail hugging the right edge — filled by
   default so it reads as a frame edge, not empty space */
.scale-col.collapsed {
  flex: 0 0 30px; padding: 12px 0; cursor: pointer;
  align-items: center; justify-content: center;
  background: var(--bg-inset);
}
.scale-col.collapsed:hover { background: var(--border); }
.sc-rail-caret { position: absolute; top: 8px; left: 50%; transform: translateX(-50%); }
.scale-col.collapsed { position: relative; }
.sc-rail-lab {
  writing-mode: vertical-rl;
  font-size: 13.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--text-dim); white-space: nowrap;
}
.scale-col.collapsed:hover .sc-rail-lab { color: var(--text); }
.ts-zone-head { display: flex; align-items: center; justify-content: center; }
/* two flavor sub-columns; rows align because both stacks share the same
   header height and equal-flex cards. flex bases are 0 (not auto) so the
   SVGs' intrinsic size never blocks shrinking on short windows */
.sc-grid { flex: 1 1 0; min-height: 0; display: flex; gap: 10px; justify-content: center; }
/* SCALES label + the current kind as a key-style accent chip that opens
   the popup (same interaction and blue as the toolbar key selector) */
.scale-col .ts-zone-head { gap: 8px; }
.sc-kind-btn {
  background: var(--accent); border: none; border-radius: 6px;
  font-size: 12.5px; font-weight: 700; padding: 3px 11px;
  color: var(--accent-text); cursor: pointer;
}
.sc-kind-btn:hover { filter: brightness(1.12); border: none; }
/* inside the key-style group pill, keep the chip blue (the generic
   .tgroup button rule would strip it) */
.tgroup .sc-kind-btn { background: var(--accent); padding: 3px 11px; }
.sc-menu .km-grid { grid-template-columns: 1fr; }
/* names in their own header row, flush under the label and aligned over the
   two flavor stacks */
.sc-names { flex: 0 0 auto; display: flex; gap: 10px; }
.sc-name {
  flex: 1 1 0; min-width: 0; text-align: center;
  font-size: 17px; font-weight: 800; color: var(--chord);
}
.sc-names .sc-name + .sc-name { padding-left: 11px; }  /* mirror the divider */
/* rows are content-sized (chart height follows card width); the first card
   hugs the names, the last hugs the window bottom, leftover spreads thinly */
.sc-flavor {
  flex: 1 1 0; min-width: 0; display: flex; flex-direction: column;
  /* the gap is rigid: it guarantees row separation even when short windows
     force the cards to shrink (space-between only spreads LEFTOVER) */
  gap: 14px; min-height: 0; justify-content: space-between;
}
.sc-flavor + .sc-flavor { border-left: 1px solid var(--border); padding-left: 10px; }
.sc-flavor .ts-scale { flex: 0 1 auto; min-height: 0; }
.sc-blank { visibility: hidden; }
/* bare charts — no boxes; the caption carries hover/active states */
.ts-scale {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  min-height: 0;
  cursor: pointer; border-radius: 8px; padding: 2px 5px 3px;
}
.ts-scale:hover { background: var(--bg-inset); }
.ts-scale .ts-cap { border-radius: 8px; padding: 0 8px; }
.ts-scale.active .ts-cap {
  background: var(--accent); color: var(--accent-text); font-weight: 700;
}
.ts-scale .ts-neck {
  flex: 0 1 auto; min-height: 0; width: 100%;
  display: flex; justify-content: center; align-items: center;
}
/* width-driven with a height clamp: grows with the viewport in BOTH
   dimensions but can never overlap neighbors or spill off screen */
.ts-scale .chord-svg { width: 100%; height: auto; max-height: 100%; display: block; }
.ts-scale .ts-cap { margin-top: 0; white-space: nowrap; }
.ts-scale .ts-cap2 { font-size: 9px; opacity: 0.8; margin-top: 1px; }
/* ghosts are fully opaque so dots cover the string lines — the whisper
   comes from pre-blending each family color toward the background */
.chord-svg .cd-ghost { opacity: 1; }
.chord-svg .cd-r.cd-ghost circle { fill: color-mix(in srgb, var(--fb-r) 50%, var(--bg)); }
.chord-svg .cd-3.cd-ghost circle { fill: color-mix(in srgb, var(--fb-3) 50%, var(--bg)); }
.chord-svg .cd-5.cd-ghost circle { fill: color-mix(in srgb, var(--fb-5) 50%, var(--bg)); }
.chord-svg .cd-7.cd-ghost circle { fill: color-mix(in srgb, var(--fb-7) 50%, var(--bg)); }
.chord-svg .cd-n.cd-ghost circle { fill: color-mix(in srgb, var(--text-dim) 50%, var(--bg)); }
/* neutral context dots keep a subtle translucency — terrain, not targets */
.chord-svg .cd-n.cd-ghost { opacity: 0.75; }
/* open-string notes float above the nut — a subtle dark rim defines them */
.chord-svg .cd-open-note circle { stroke: rgba(0, 0, 0, 0.45); stroke-width: 0.7; }
.triad-strip .chord-svg { width: 100%; height: auto; display: block; }
.ts-legend {
  display: flex; gap: 9px; align-items: center;
  font-size: 10.5px; color: var(--text-dim);
  margin-left: 16px;   /* breathing room after TRIADS · KEY */
}
.ts-legend span { display: flex; align-items: center; gap: 3px; }
.ts-legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.ts-legend .lg-r { background: var(--fb-r); }
.ts-legend .lg-3 { background: var(--fb-3); }
.ts-legend .lg-5 { background: var(--fb-5); }
.ts-legend .lg-7 { background: var(--fb-7); }
/* the 180px chart carries ~17px of internal bottom padding — pull the
   inversion caption up under the grid */
.vp-cap { text-align: center; font-size: 12px; color: var(--text-dim); margin-top: -10px; }

/* ---------- fretboard explorer ---------- */

/* light theme uses deeper tones so white labels read cleanly at dot size */
/* hue = function family, intensity = importance:
   blue = home (the root), soft green = the safe landing (the 5th),
   amber = identity (the 3rd — or the sus 2/4 that replaces it),
   purple = the color a 7th/6th adds,
   gray = context (ghosts, passing tones). Altered 5ths share the 5th color —
   the ♭5/♯5 label carries the alteration (user call, no fifth hue). */
html[data-theme="light"] { --fb-r: #2f6fed; --fb-3: #b8430e; --fb-5: #2b9457; --fb-7: #7649c9; }
html[data-theme="dark"]  { --fb-r: #4d8dff; --fb-3: #f6a13c; --fb-5: #6ee08e; --fb-7: #a58ae8; }

.page-pad-wide { max-width: none; flex: 1; min-height: 0; }
.fb-controls { display: flex; flex-direction: column; gap: 9px; margin-bottom: 14px; }
.fb-crow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.fb-crow .lbl {
  font-size: 12.5px; font-weight: 600; color: var(--text-dim);
  width: 84px; flex: 0 0 auto;
}
.fb-crow .mini { font-size: 13.5px; padding: 7px 15px; border-radius: 8px; }
.fb-crow .mini.active { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.fb-crow .mini:disabled { opacity: 0.45; cursor: default; }
.fb-hint { font-size: 12px; color: var(--text-dim); margin-left: 6px; }
#fb-body { display: flex; flex-direction: column; gap: 10px; height: 100%; min-height: 0; }
.fb-main { display: flex; gap: 16px; flex: 1 1 auto; min-height: 0; align-items: stretch; justify-content: center; }
.fb-wrap {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px;
  flex: 0 0 auto;
}
.fb-wrap svg { height: 100%; width: auto; display: block; aspect-ratio: 250 / 980; }
.fb-rest { flex: 1 1 auto; min-width: 0; min-height: 0; overflow-y: auto; }
/* voicing charts grouped by CAGED position, each group aligned with its
   band on the neck (tops set by positionFbGroups) */
.fb-poscol {
  flex: 0 0 auto; position: relative; min-height: 0;
  width: 460px;   /* pre-JS default; positionFbGroups sets the real width */
}
.fb-posgroup {
  position: absolute; left: 0; right: 0; top: 0;
  display: flex; flex-direction: column; gap: 1px;
}
.fb-poslab {
  font-size: 11px; font-weight: 700; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.fb-posrow { display: flex; gap: 4px; flex-wrap: wrap; align-items: flex-start; }
.fb-poscol .fbv .chord-svg { width: var(--fbv-w, 138px); height: auto; aspect-ratio: 96 / 102; }
.fb-posempty { color: var(--text-dim); font-size: 12px; padding: 2px 0 6px; }
.fb-svg .fb-string, .fb-svg .fb-fret { stroke: var(--text-dim); }
.fb-svg .fb-fret { opacity: 0.55; }
.fb-svg .fb-nut { fill: var(--text); }
.fb-svg .fb-inlay { fill: var(--border); }
.fb-svg .fb-fretnum, .fb-svg .fb-stringname { fill: var(--text-dim); }
.fb-svg .fb-fretnum {
  paint-order: stroke; stroke: var(--bg-panel); stroke-width: 3px;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  text-decoration-color: color-mix(in srgb, var(--text-dim) 45%, transparent);
}
.fb-dot.fb-r circle { fill: var(--fb-r); }
.fb-dot.fb-3 circle { fill: var(--fb-3); }
.fb-dot.fb-5 circle { fill: var(--fb-5); }
.fb-dot.fb-7 circle { fill: var(--fb-7); }
.fb-dot.fb-n circle { fill: var(--text-dim); }
.fb-dot .fb-dot-label { font-weight: 700; fill: #101319; }
.fb-dot.fb-r .fb-dot-label { fill: #ffffff; }
html[data-theme="light"] .fb-dot .fb-dot-label { fill: #ffffff; }
.fb-svg .fb-dot.fb-dim { opacity: 0.22; }
/* scale-layer ghosts: opaque pre-blended tints (cover the string lines);
   the neck sits on the panel background */
.fb-svg .fb-dot.fb-ghost { opacity: 1; }
.fb-svg .fb-dot.fb-r.fb-ghost circle { fill: color-mix(in srgb, var(--fb-r) 50%, var(--bg-panel)); }
.fb-svg .fb-dot.fb-3.fb-ghost circle { fill: color-mix(in srgb, var(--fb-3) 50%, var(--bg-panel)); }
.fb-svg .fb-dot.fb-5.fb-ghost circle { fill: color-mix(in srgb, var(--fb-5) 50%, var(--bg-panel)); }
.fb-svg .fb-dot.fb-7.fb-ghost circle { fill: color-mix(in srgb, var(--fb-7) 50%, var(--bg-panel)); }
.fb-svg .fb-dot.fb-n.fb-ghost circle { fill: color-mix(in srgb, var(--text-dim) 50%, var(--bg-panel)); }
.fb-svg .fb-dot.fb-n.fb-ghost { opacity: 0.75; }
.fb-svg .fb-window {
  fill: color-mix(in srgb, var(--accent) 9%, transparent);
  stroke: color-mix(in srgb, var(--accent) 30%, transparent);
}
.fb-svg .fb-window-label {
  fill: var(--accent); font-weight: 700;
  /* halo so the label stays readable when it lands on a note dot */
  paint-order: stroke; stroke: var(--bg-panel); stroke-width: 3px;
}
.fb-voicings {
  display: flex; gap: 6px; flex-wrap: wrap; align-items: flex-start;
  justify-content: flex-start; margin-top: 12px;
}
.fbv { display: flex; flex-direction: column; align-items: center; gap: 1px; }
.fbv .dg { cursor: pointer; border-radius: 8px; padding: 2px; }
.fbv .dg:hover { background: var(--bg-inset); }
.fbv .chord-svg { width: 144px; height: 179px; }
.fbv-cap { font-size: 10px; color: var(--text-dim); margin-top: -8px; }

/* ---------- practice mode ---------- */

.practice-wrap {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: 14px 22px; max-width: 1500px; margin: 0 auto; width: 100%;
}
.pr-controls { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-bottom: 4px; }
.pr-info { display: flex; align-items: center; gap: 14px; margin: 10px 0; flex-wrap: wrap; }
.pr-cur { font-size: 36px; font-weight: 800; color: var(--chord); line-height: 1; }
.pr-cur-cap { font-size: 12.5px; color: var(--text-dim); }
.pr-count { font-size: 12px; color: var(--text-dim); }
.pr-next { margin-left: auto; font-size: 13px; color: var(--text-dim); }
.pr-next b { color: var(--text); font-size: 19px; margin-left: 4px; }
.pr-navbtn { font-size: 16px; }
#practice-body { display: flex; gap: 16px; height: 100%; min-height: 0; }
.pr-neck {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px;
  flex: 0 0 auto;
}
.pr-neck svg { height: 100%; width: auto; display: block; aspect-ratio: 250 / 980; }
.pr-rest { flex: 1 1 auto; min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.pr-rail {
  display: flex; gap: 4px; align-items: flex-start;
  flex-wrap: wrap; align-content: flex-start;
  flex: 1 1 auto; overflow-y: auto; overflow-x: hidden;
  padding: 12px 2px 6px;
}
.pr-sec {
  flex: 0 0 auto; font-size: 9.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.6px; color: var(--text-dim); margin: 0 6px 0 10px;
}
.pr-rail .pr-sec:first-child { margin-left: 0; }
.pr-chip {
  flex: 0 0 auto; font-size: 13px; font-weight: 700; padding: 4px 11px;
  border-radius: 8px; background: var(--bg-inset); border: 1px solid var(--border);
  color: var(--chord); cursor: pointer;
}
.pr-chip.cur { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.pr-hint { font-size: 11px; color: var(--text-dim); margin-top: 4px; text-align: center; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .scale-col { display: none; }
}
@media (max-width: 760px) {
  .sidebar { position: fixed; z-index: 40; height: 100%; transform: translateX(-100%); transition: transform 0.2s; }
  /* phones: controls stack above the neck at a fixed comfortable height */
  #fb-body, #practice-body, .fb-main { flex-direction: column; height: auto; }
  .fb-rest, .pr-rest { order: -1; overflow: visible; }
  .fb-wrap svg, .pr-neck svg { height: 72vh; width: auto; margin: 0 auto; }
  .sidebar.open { transform: translateX(0); box-shadow: 0 0 40px rgba(0,0,0,0.4); }
  .import-grid { grid-template-columns: 1fr; }
  .song-body { padding: 12px 12px 40vh; }
}

/* ---------- print ---------- */

@media print {
  body { overflow: visible; background: #fff; color: #000; }
  #app { display: block; height: auto; }
  .sidebar, .toolbar button, .toolbar .tgroup, .diagram-strip .dg:hover, .perform-bar { display: none !important; }
  .ts-head { display: none !important; }
  .scale-col { display: none !important; }
  .strip-rail, .strip-collapse { display: none !important; }
  .line.sung-cur { background: none; box-shadow: none; color: inherit; font-weight: inherit; }
  .line.sung-cur::before { content: none; }
  .line .w.sung { color: inherit; font-weight: inherit; }
  .ts-flag { display: none; }
  /* paper has no horizontal scroll — let strips wrap when printing */
  .ts-tiles, .diagram-strip { flex-wrap: wrap; overflow: visible; }
  /* paper vmin would shrink cards — keep printed charts full size */
  .diagram-strip .dg, .ts-tile { flex-basis: 170px; }
  /* dark-theme tokens stay active during print — force ink-on-paper for the
     SVG charts (role-colored dots keep their colors via higher specificity) */
  .chord-svg .cd-name, .chord-svg .cd-nut, .chord-svg .cd-dot { fill: #000; }
  /* vertical neck: one page, centered; app's fixed-height flex released */
  #fb-body, #practice-body, .fb-main { display: block; height: auto; }
  .fb-wrap, .pr-neck { break-inside: avoid; }
  .fb-wrap svg, .pr-neck svg { height: 240mm; width: auto; margin: 0 auto; }
  .pr-controls, .pr-hint, .pr-navbtn { display: none !important; }
  .chord-svg .cd-fret, .chord-svg .cd-string { stroke: #555; }
  .chord-svg .cd-open { stroke: #000; }
  .chord-svg .cd-mute { stroke: #555; }
  .chord-svg .cd-basefret { fill: #444; }
  .chord-svg .cd-barre { fill: #000; }
  .chord-svg .cd-finger { fill: #fff; }
  .ts-cap, .ts-orig, .fbv-cap { color: #444; }
  /* fretboard explorer print: hide the control chrome, ink the neck */
  .fb-controls { display: none !important; }
  .fb-svg .fb-nut { fill: #000; }
  .fb-svg .fb-string, .fb-svg .fb-fret { stroke: #666; }
  .fb-svg .fb-fretnum, .fb-svg .fb-stringname { fill: #444; }
  .fb-svg .fb-window-label { stroke: #fff; }
  .fb-svg .fb-dot.fb-ghost circle { fill: #888 !important; }
  .chord-svg .cd-ghost circle { fill: #888 !important; }
  .chord-svg .cd-n circle, .fb-dot.fb-n circle { fill: #888; }
  .toolbar { border: none; background: none; padding: 0 0 8px; }
  .song-scroll, .song-scroll.fit { overflow: visible; height: auto; }
  .song-scroll.fit .song-body {
    column-count: auto !important; font-size: 12pt !important;
    height: auto; column-rule: none;
  }
  .song-body { max-width: none; padding: 0; }
  .section { break-inside: avoid; background: none !important; }
  .section-collapse { display: none; }
  .cl .seg .c { color: #000; }
  .chordrow .c { color: #000; }
}