@font-face {
  font-family: 'Bravura';
  src: url('../lib/fonts/bravura.woff2') format('woff2');
  font-display: block;
}

:root {
  --bg: #f4f2ee;
  --surface: #ffffff;
  --surface2: #f8f7f4;
  --ink: #1c1b19;
  --ink2: #5d5a55;
  --line: #d9d5cd;
  --paper: #fffefb;
  --staff: #8d887f;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --accent-soft: #e3ecfb;
  --danger: #b3261e;
  --warn-bg: rgba(214, 72, 40, 0.09);
  --range: rgba(31, 95, 191, 0.10);
  --selm: rgba(240, 180, 40, 0.16);
  /* コード内の役割 */
  --r-root: #cf2f2f;
  --r-third: #16855b;
  --r-fifth: #1f63c9;
  --r-seventh: #8a3fc2;
  --r-tension: #c76a09;
  --r-non: #77736c;
  --headw: 138px;
  --laneh: 96px;
}
:root[data-theme="dark"] {
  --bg: #17181a; --surface: #222427; --surface2: #1c1d20; --ink: #ecebe8; --ink2: #a5a29b; --line: #3a3c40;
  --paper: #1f2023; --staff: #6f716f; --accent: #6ea4ff; --accent-ink: #0d1626; --accent-soft: #24344f; --danger: #ff8a80;
  --warn-bg: rgba(255, 120, 90, 0.13); --range: rgba(110, 164, 255, 0.13); --selm: rgba(240, 190, 70, 0.13);
  --r-root: #ff6b6b; --r-third: #4fd1a1; --r-fifth: #74a9ff; --r-seventh: #c792ff; --r-tension: #ffab4d; --r-non: #9a978f;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17181a; --surface: #222427; --surface2: #1c1d20; --ink: #ecebe8; --ink2: #a5a29b; --line: #3a3c40;
    --paper: #1f2023; --staff: #6f716f; --accent: #6ea4ff; --accent-ink: #0d1626; --accent-soft: #24344f; --danger: #ff8a80;
    --warn-bg: rgba(255, 120, 90, 0.13); --range: rgba(110, 164, 255, 0.13); --selm: rgba(240, 190, 70, 0.13);
    --r-root: #ff6b6b; --r-third: #4fd1a1; --r-fifth: #74a9ff; --r-seventh: #c792ff; --r-tension: #ffab4d; --r-non: #9a978f;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Segoe UI", sans-serif;
  display: flex; flex-direction: column; overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
[hidden] { display: none !important; }
button { font: inherit; color: inherit; }

/* ---------- top bar ---------- */
#topbar { background: var(--surface); border-bottom: 1px solid var(--line); padding: 6px 10px 4px; flex: none; }
.tb-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.tb-row.tools { margin-top: 6px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
.tb-group { display: flex; align-items: center; gap: 4px; flex: none; }
.tb-row.tools .tb-group + .tb-group { padding-left: 8px; border-left: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: .02em; flex: none; }
.title-input {
  flex: 1 1 120px; min-width: 60px; border: 1px solid transparent; background: transparent; color: var(--ink);
  font: inherit; font-size: 15px; font-weight: 600; padding: 4px 6px; border-radius: 6px;
}
.title-input:hover, .title-input:focus { border-color: var(--line); background: var(--surface2); outline: none; }
.btn {
  border: 1px solid var(--line); background: var(--surface); border-radius: 7px; padding: 5px 10px; cursor: pointer;
  white-space: nowrap; min-height: 32px; line-height: 1.2;
}
.btn:hover { background: var(--surface2); }
.btn:focus-visible, .editbar button:focus-visible, .chord:focus-visible, .mnum:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { border-color: transparent; }
.btn.small { padding: 3px 8px; min-height: 28px; }
.btn.big { padding: 10px 18px; font-size: 15px; }
.btn:disabled { opacity: .4; cursor: default; }
.btn.toggle[aria-pressed="true"], .editbar .toggle[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.btn.play { min-width: 76px; font-weight: 600; }
.btn.play.playing { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.btn.danger, .editbar .danger { color: var(--danger); }
.field { display: flex; align-items: center; gap: 4px; color: var(--ink2); white-space: nowrap; }
.field input, .field select, .form input, .form select {
  font: inherit; color: var(--ink); background: var(--surface2); border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px; min-height: 30px;
}
.field input[type=number] { width: 62px; }
.range-label { color: var(--ink2); white-space: nowrap; font-variant-numeric: tabular-nums; }

/* ---------- main ---------- */
#main { flex: 1 1 auto; min-height: 0; position: relative; display: flex; }
.empty { flex: 1; display: flex; align-items: center; justify-content: center; padding: 20px; overflow: auto; }
.empty.drag { outline: 3px dashed var(--accent); outline-offset: -12px; }
.empty-card { max-width: 620px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 28px; }
.empty-card h1 { font-size: 21px; line-height: 1.4; margin: 0 0 10px; text-wrap: balance; }
.empty-card p { margin: 0 0 14px; color: var(--ink2); }
.empty-card .hint { font-size: 12.5px; margin: 14px 0 0; }
.empty-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.score-scroller { flex: 1; overflow: auto; background: var(--paper); position: relative; overscroll-behavior: contain; }
.lane {
  position: sticky; top: 0; z-index: 4; height: var(--laneh); background: var(--surface2); border-bottom: 1px solid var(--line);
  display: flex; min-width: 100%;
}
.corner {
  position: sticky; left: 0; z-index: 5; flex: none; width: var(--headw); background: var(--surface2); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; font-size: 11px; color: var(--ink2); padding: 3px 8px;
}
.corner span:first-child { height: 20px; }
.lane-in { position: relative; flex: none; height: 100%; }
.mnum {
  position: absolute; top: 0; height: 20px; border: 0; border-left: 1px solid var(--line); background: transparent; color: var(--ink2);
  font-size: 11px; text-align: left; padding: 0 5px; cursor: pointer; font-variant-numeric: tabular-nums;
}
.mnum:hover { background: var(--accent-soft); }
.mnum.inrange { background: var(--accent); color: var(--accent-ink); }
.chord {
  position: absolute; top: 21px; height: calc(var(--laneh) - 23px); border: 0; border-left: 1px solid var(--line); background: transparent;
  text-align: left; padding: 2px 6px; cursor: pointer; overflow: hidden; color: var(--ink);
}
.chord:hover { background: var(--accent-soft); }
.chord.active { background: var(--accent-soft); box-shadow: inset 0 -3px 0 var(--accent); }
.chord.same .cn { opacity: .38; }
.chord .cn { font-size: 18px; font-weight: 700; line-height: 1.15; white-space: nowrap; letter-spacing: -.01em; }
.chord .cn.nc { font-size: 12px; font-weight: 400; color: var(--ink2); }
.chord .ctype { font-size: 13px; font-weight: 600; }
.chord .cbass { font-size: 13px; font-weight: 600; color: var(--ink2); }
.chord .ct { display: flex; gap: 3px; margin-top: 2px; flex-wrap: nowrap; }
.chip {
  font-size: 10.5px; line-height: 1; padding: 2px 4px; border-radius: 4px; white-space: nowrap; border: 1px solid currentColor;
  background: color-mix(in srgb, currentColor 12%, transparent); font-variant-numeric: tabular-nums;
}
.chip b { font-weight: 700; margin-right: 2px; }
.chip.absent { background: transparent; border-style: dashed; opacity: .55; }
.chip.isbass { box-shadow: 0 2px 0 currentColor; }
.chord .cb { font-size: 10.5px; margin-top: 3px; white-space: nowrap; }
.chord .cb b { font-size: 12px; }
.r-root { color: var(--r-root); } .r-third { color: var(--r-third); } .r-fifth { color: var(--r-fifth); }
.r-seventh { color: var(--r-seventh); } .r-tension { color: var(--r-tension); } .r-non { color: var(--r-non); }

.sbody { display: flex; min-width: 100%; }
.heads { position: sticky; left: 0; z-index: 3; flex: none; width: var(--headw); background: var(--surface); border-right: 1px solid var(--line); }
.phead { position: absolute; left: 0; right: 0; padding: 6px 6px 4px 8px; display: flex; flex-direction: column; justify-content: center; gap: 3px; border-bottom: 1px solid var(--line); }
.phead.alt { background: var(--surface2); }
.pname {
  border: 0; background: transparent; padding: 0; text-align: left; font-weight: 600; font-size: 12.5px; cursor: pointer; line-height: 1.25;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%;
}
.pname:hover { color: var(--accent); text-decoration: underline; }
.pinfo { font-size: 10.5px; color: var(--ink2); display: flex; gap: 6px; white-space: nowrap; overflow: hidden; }
.pbtns { display: flex; gap: 4px; }
.ms { width: 30px; height: 24px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface); font-size: 11px; font-weight: 700; cursor: pointer; color: var(--ink2); padding: 0; }
.ms.m.on { background: #c0392b; border-color: #c0392b; color: #fff; }
.ms.s.on { background: #d49a00; border-color: #d49a00; color: #fff; }

.score-svg { display: block; flex: none; color: var(--ink); user-select: none; -webkit-user-select: none; }
.score-svg .mg { font-family: 'Bravura'; font-size: 40px; fill: currentColor; }
.score-svg .staff { stroke: var(--staff); stroke-width: 1; }
.score-svg .bar { stroke: var(--ink); stroke-width: 1.1; }
.score-svg .ledger { stroke: var(--ink); stroke-width: 1.2; }
.score-svg .stem { stroke: currentColor; stroke-width: 1.3; }
.score-svg .beam { fill: currentColor; }
.score-svg .tie { fill: none; stroke: currentColor; stroke-width: 1.4; }
.score-svg .row-alt { fill: color-mix(in srgb, var(--ink) 2.5%, transparent); }
.score-svg .nh { cursor: pointer; }
.score-svg .nh.r-root { fill: var(--r-root); } .score-svg .nh.r-third { fill: var(--r-third); } .score-svg .nh.r-fifth { fill: var(--r-fifth); }
.score-svg .nh.r-seventh { fill: var(--r-seventh); } .score-svg .nh.r-tension { fill: var(--r-tension); } .score-svg .nh.r-non { fill: var(--r-non); }
.score-svg .sel { fill: var(--accent) !important; stroke: var(--accent); stroke-width: 1.2; paint-order: stroke; }
.score-svg .sel2 { stroke: var(--accent); stroke-width: .8; paint-order: stroke; }
.score-svg .evhit { fill: transparent; cursor: pointer; }
.score-svg .evhit.on { fill: var(--accent-soft); }
.score-svg .tap { cursor: help; }
.score-svg .acc:hover, .score-svg .mark:hover { fill: var(--accent); }
.score-svg .mark { font: italic 13px Georgia, "Times New Roman", serif; fill: var(--ink); }
.score-svg .mark.dyn { font-weight: 700; font-size: 15px; }
.score-svg .mark.above { font-style: normal; font-weight: 700; }
.score-svg .tup { font: italic 12px Georgia, serif; fill: var(--ink); }
.score-svg .tempo { font: 600 12px system-ui, sans-serif; fill: var(--ink2); }
.score-svg .warn { fill: var(--warn-bg); }
.score-svg .warn-t { font: 10px system-ui, sans-serif; fill: var(--danger); cursor: pointer; }
.score-svg .range { fill: var(--range); }
.score-svg .selm { fill: var(--selm); }
.score-svg .cursor { stroke: #e0245e; stroke-width: 2; pointer-events: none; }

/* ---------- bottom bar ---------- */
#bottombar { flex: none; background: var(--surface); border-top: 1px solid var(--line); padding: 5px 10px calc(5px + env(safe-area-inset-bottom)); }
.info { min-height: 22px; color: var(--ink2); white-space: nowrap; overflow-x: auto; scrollbar-width: none; }
.info b { color: var(--ink); }
.info .tag { display: inline-block; border-radius: 4px; padding: 0 5px; margin-left: 4px; border: 1px solid currentColor; font-size: 12px; }
.editbar { display: flex; gap: 8px; overflow-x: auto; padding: 5px 0 2px; scrollbar-width: thin; }
.eb-group { display: flex; gap: 3px; flex: none; }
.eb-group + .eb-group { padding-left: 8px; border-left: 1px solid var(--line); }
.editbar button {
  border: 1px solid var(--line); background: var(--surface2); border-radius: 6px; min-width: 38px; min-height: 36px; padding: 4px 8px; cursor: pointer; white-space: nowrap;
}
.editbar button:hover { background: var(--accent-soft); }
.editbar button.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* ---------- popover / sheet / modal ---------- */
.pop {
  position: fixed; z-index: 30; max-width: min(320px, calc(100vw - 16px)); background: var(--surface); color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; box-shadow: 0 8px 28px rgba(0, 0, 0, .22);
}
.pop h3 { margin: 0 0 2px; font-size: 16px; }
.pop .reading { color: var(--ink2); font-size: 12px; margin-bottom: 6px; }
.pop p { margin: 0; }
.pop .big-sym { font-size: 24px; margin-right: 6px; }
.sheet {
  position: fixed; z-index: 20; left: 50%; transform: translateX(-50%); bottom: 0; width: min(760px, 100vw); max-height: 62vh; overflow: auto;
  background: var(--surface); border: 1px solid var(--line); border-bottom: 0; border-radius: 14px 14px 0 0; padding: 12px 14px calc(14px + env(safe-area-inset-bottom));
  box-shadow: 0 -8px 30px rgba(0, 0, 0, .2);
}
.sheet-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.sheet-head h2 { margin: 0; font-size: 24px; flex: 1; }
.sheet-head h2 small { font-size: 13px; font-weight: 400; color: var(--ink2); margin-left: 8px; }
.voicing { width: 100%; border-collapse: collapse; }
.voicing td { padding: 6px 6px; border-top: 1px solid var(--line); vertical-align: top; }
.voicing .deg { width: 88px; white-space: nowrap; font-weight: 700; }
.voicing .deg small { display: block; font-weight: 400; color: var(--ink2); font-size: 11px; }
.voicing .who { color: var(--ink); }
.voicing .who span { display: inline-block; margin: 0 6px 2px 0; padding: 1px 6px; border-radius: 5px; background: var(--surface2); border: 1px solid var(--line); font-size: 12.5px; }
.voicing .who .none { color: var(--ink2); border-style: dashed; background: transparent; }
.voicing tr.bassrow td { background: color-mix(in srgb, var(--ink) 5%, transparent); }
.voicing .play1 { border: 1px solid var(--line); background: var(--surface2); border-radius: 6px; cursor: pointer; min-width: 34px; min-height: 30px; }
.keys { display: flex; height: 62px; margin: 10px 0 4px; position: relative; user-select: none; }
.keys .wk { flex: 1; border: 1px solid var(--line); border-radius: 0 0 4px 4px; background: #fff; position: relative; display: flex; align-items: flex-end; justify-content: center; font-size: 10px; color: #333; padding-bottom: 2px; }
.keys .bk { position: absolute; top: 0; width: 8.6%; height: 60%; background: #222; border-radius: 0 0 3px 3px; z-index: 1; display: flex; align-items: flex-end; justify-content: center; font-size: 9px; color: #fff; padding-bottom: 2px; }
.keys .on { background: var(--kc, #999) !important; color: #fff !important; font-weight: 700; }

.modal { position: fixed; inset: 0; z-index: 40; background: rgba(0, 0, 0, .45); display: flex; align-items: center; justify-content: center; padding: 14px; }
.modal-card { background: var(--surface); border-radius: 14px; width: min(640px, 100%); max-height: 88vh; overflow: auto; padding: 18px 18px 14px; border: 1px solid var(--line); }
.modal-card h2 { margin: 0 0 10px; font-size: 18px; }
.modal-card h3 { margin: 14px 0 6px; font-size: 14px; }
.modal-card p { margin: 0 0 8px; }
.modal-card ul { margin: 0 0 8px; padding-left: 20px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 14px; flex-wrap: wrap; }
.form { display: grid; grid-template-columns: auto 1fr; gap: 8px 10px; align-items: center; }
.form label { color: var(--ink2); white-space: nowrap; }
.form input[type=text], .form select, .form input[type=number] { width: 100%; }
.form input[type=range] { width: 100%; }
.progress { height: 8px; background: var(--surface2); border-radius: 4px; overflow: hidden; border: 1px solid var(--line); margin: 10px 0; }
.progress > i { display: block; height: 100%; background: var(--accent); width: 0; transition: width .2s; }
.report { font-size: 13px; background: var(--surface2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; max-height: 220px; overflow: auto; }
.report div { padding: 1px 0; }
.note { font-size: 12.5px; color: var(--ink2); }
.linkbox { width: 100%; font: 12px ui-monospace, monospace; padding: 6px; border-radius: 6px; border: 1px solid var(--line); background: var(--surface2); color: var(--ink); }
.marklist { display: flex; flex-wrap: wrap; gap: 5px; }
.marklist button { border: 1px solid var(--line); background: var(--surface2); border-radius: 6px; padding: 5px 9px; cursor: pointer; min-height: 32px; }
.marklist button:hover { background: var(--accent-soft); }
.parttable { width: 100%; border-collapse: collapse; font-size: 13px; }
.parttable td, .parttable th { padding: 4px 6px; border-bottom: 1px solid var(--line); text-align: left; }
.parttable select { max-width: 190px; font: inherit; background: var(--surface2); color: var(--ink); border: 1px solid var(--line); border-radius: 5px; padding: 3px; }
.tablewrap { overflow-x: auto; }

.srcpanel { position: fixed; z-index: 15; right: 10px; top: 110px; width: min(520px, calc(100vw - 20px)); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 28px rgba(0, 0, 0, .25); overflow: hidden; }
.srcpanel-head { display: flex; justify-content: space-between; align-items: center; padding: 6px 10px; font-size: 12.5px; color: var(--ink2); border-bottom: 1px solid var(--line); }
.srcview { background: #fff; overflow: auto; max-height: 260px; }
.srcview .crop { position: relative; overflow: hidden; margin: 0 auto; }
.srcview img { position: absolute; max-width: none; }
.srcview .none { padding: 14px; color: #555; font-size: 13px; }

.toast { position: fixed; z-index: 50; left: 50%; bottom: 120px; transform: translateX(-50%); background: var(--ink); color: var(--surface); padding: 8px 14px; border-radius: 8px; max-width: 90vw; box-shadow: 0 4px 16px rgba(0, 0, 0, .3); }

@media (max-width: 640px) {
  :root { --headw: 92px; --laneh: 92px; }
  .brand { display: none; }
  .pinfo .ptimbre { display: none; }
  .btn { padding: 5px 8px; }
  .empty-card { padding: 20px; }
}