/* Duo Craft — a calm working desk: controls on the left, the engraved page on the right.
   Four actions have their own colour so they are easy to find: Upload (green), Download (blue), Print (amber), Play (coral). */
:root {
  --bg: #eef1f5; --surface: #ffffff; --surface-2: #f6f8fa; --ink: #141b24; --ink-2: #344150; --muted: #5d6978; --line: #d5dbe3; --line-2: #c3cbd6;
  --accent: #27467f; --accent-soft: #e3eaf7; --brass: #9a6514; --brass-soft: #f7eddb;
  --good: #23784a; --warn: #a14f12; --bad: #b0281f;
  --up: #1d7a4f; --up-soft: #e1f2e9; --dl: #2457b3; --dl-soft: #e3ebfa; --pr: #b35a08; --pr-soft: #fbecdc; --play: #c23b2a; --play-soft: #fbe5e1; --find: #6b45b5; --find-soft: #eee8fa; --on-act: #ffffff;
  --paper: #fdfdfb; --paper-ink: #151b22; --paper-muted: #5f6b78; --paper-chord: #27467f; --paper-mark: #a8701a;
  --f-display: "Spectral", "Georgia", "Times New Roman", serif;
  --f-body: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", "Consolas", ui-monospace, "SF Mono", monospace;
  --r: 12px; --r-s: 8px;
  --shadow: 0 1px 2px rgba(20,30,50,.06), 0 4px 16px rgba(20,30,50,.06);
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0f141a; --surface: #171e27; --surface-2: #1c2530; --ink: #e8edf3; --ink-2: #c3ccd7; --muted: #9aa6b4; --line: #2b3643; --line-2: #3a4757;
  --accent: #9ab8f0; --accent-soft: #1f2c42; --brass: #dcaa52; --brass-soft: #2e2618;
  --good: #6cc391; --warn: #e79a5c; --bad: #f08a80;
  --up: #5cc292; --up-soft: #17352a; --dl: #8fb2f3; --dl-soft: #1c2b47; --pr: #eba552; --pr-soft: #3a2a17; --play: #f3866f; --play-soft: #3d221d; --find: #b79cf0; --find-soft: #2a2140; --on-act: #0d1218;
  --paper: #f1f1ec; --paper-ink: #151b22; --paper-muted: #56616d; --paper-chord: #27467f; --paper-mark: #8a5a10;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.25);
  color-scheme: dark; } }
:root[data-theme="dark"] {
  --bg: #0f141a; --surface: #171e27; --surface-2: #1c2530; --ink: #e8edf3; --ink-2: #c3ccd7; --muted: #9aa6b4; --line: #2b3643; --line-2: #3a4757;
  --accent: #9ab8f0; --accent-soft: #1f2c42; --brass: #dcaa52; --brass-soft: #2e2618;
  --good: #6cc391; --warn: #e79a5c; --bad: #f08a80;
  --up: #5cc292; --up-soft: #17352a; --dl: #8fb2f3; --dl-soft: #1c2b47; --pr: #eba552; --pr-soft: #3a2a17; --play: #f3866f; --play-soft: #3d221d; --find: #b79cf0; --find-soft: #2a2140; --on-act: #0d1218;
  --paper: #f1f1ec; --paper-ink: #151b22; --paper-muted: #56616d; --paper-chord: #27467f; --paper-mark: #8a5a10;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.25);
  color-scheme: dark; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { background: var(--bg); color: var(--ink); }
body { font: 15px/1.5 var(--f-body); margin: 0; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); padding-block: 0 28px; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent); outline-offset: 2px; }

/* ---------- top bar */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; padding-block: 12px; margin-inline: calc(-1 * max(16px, env(safe-area-inset-left, 0px))); padding-inline: max(16px, env(safe-area-inset-left, 0px)); background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.brand { display: flex; gap: 12px; align-items: center; }
.mark { font-size: 28px; color: var(--brass); font-family: "Noto Music", "Segoe UI Symbol", serif; line-height: 1; }
.name { font-family: var(--f-display); font-size: 26px; font-weight: 600; letter-spacing: .01em; line-height: 1.1; }
.ver { font-family: var(--f-body); font-size: 12px; font-weight: 600; color: var(--brass); border: 1px solid currentColor; border-radius: 5px; padding: 0 5px; vertical-align: 5px; letter-spacing: .04em; }
.by { color: var(--muted); font-size: 13px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.frame-note { margin: 12px 0 0; padding: 10px 14px; border-radius: var(--r-s); background: var(--brass-soft); color: var(--ink); font-size: 14px; }

/* ---------- buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; border: 1px solid var(--accent); background: var(--accent); color: var(--surface); padding: 8px 16px; border-radius: var(--r-s); cursor: pointer; font-weight: 600; white-space: nowrap; transition: filter .12s, background-color .12s, transform .06s; }
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: var(--surface); color: var(--accent); border-color: var(--line-2); }
.btn.ghost:hover { background: var(--accent-soft); border-color: var(--accent); filter: none; }
.btn.small { min-height: 34px; padding: 5px 12px; font-size: 14px; }
.btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.ic { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ic.caret { width: 16px; height: 16px; margin-left: -2px; opacity: .85; }
.btn.act { color: var(--on-act); border: 0; box-shadow: 0 1px 0 rgba(0,0,0,.08), inset 0 -2px 0 rgba(0,0,0,.12); font-size: 15px; padding-inline: 16px 18px; }
.act-upload { background: var(--up); }
.act-download { background: var(--dl); }
.act-print { background: var(--pr); }
.act-play { background: var(--play); min-width: 104px; }
.act-find { background: var(--find); width: 100%; }
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: var(--r-s); overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: transparent; padding: 8px 13px; min-height: 38px; cursor: pointer; color: var(--ink-2); font-weight: 500; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button:hover { background: var(--surface-2); }
.seg button[aria-pressed="true"], .seg button[aria-selected="true"], .seg button[aria-checked="true"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.lang-pick { display: inline-flex; align-items: center; gap: 6px; padding: 0 4px 0 10px; border: 1px solid var(--line-2); border-radius: var(--r-s); background: var(--surface); color: var(--ink-2); min-height: 40px; }
.lang-pick select { border: 0; background: transparent; min-height: 38px; padding: 6px 4px; font-weight: 500; cursor: pointer; }
.lang-pick:focus-within { outline: 3px solid color-mix(in srgb, var(--accent) 60%, transparent); outline-offset: 2px; }
.seg.wrap { flex-wrap: wrap; }

/* ---------- menus */
.menu-wrap { position: relative; }
.menu { position: absolute; top: calc(100% + 8px); z-index: 50; width: min(400px, calc(100vw - 32px)); background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: 0 16px 40px rgba(10,20,40,.22); padding: 10px; display: grid; gap: 4px; }
.menu.narrow { width: min(300px, calc(100vw - 32px)); }
.menu-sec { display: grid; gap: 6px; padding: 4px 6px 10px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.menu-label { font-size: 12px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); padding: 4px 6px 2px; }
.menu-sec .menu-label { padding: 0; }
.menu-sec .seg button { padding: 6px 10px; min-height: 34px; font-size: 13.5px; }
.menu-note { margin: 0 0 4px; padding: 8px 10px; border-radius: var(--r-s); background: var(--pr-soft); font-size: 13.5px; }
.menu-item { display: flex; gap: 12px; align-items: center; width: 100%; text-align: left; border: 0; background: transparent; border-radius: var(--r-s); padding: 9px 10px; cursor: pointer; }
.menu-item:hover, .menu-item:focus-visible { background: var(--surface-2); outline: none; box-shadow: inset 0 0 0 2px var(--accent-soft); }
.mi-text { display: grid; gap: 1px; min-width: 0; }
.mi-text b { font-weight: 600; }
.mi-text small { color: var(--muted); font-size: 13px; line-height: 1.35; }
.ftag { flex: none; width: 48px; text-align: center; font: 700 11.5px/1 var(--f-mono); letter-spacing: .03em; padding: 9px 0; border-radius: 6px; }
.f-pdf { background: var(--play-soft); color: var(--play); }
.f-png { background: var(--up-soft); color: var(--up); }
.f-xml { background: var(--dl-soft); color: var(--dl); }
.f-midi { background: var(--pr-soft); color: var(--pr); }
.f-wav { background: var(--accent-soft); color: var(--accent); }
.f-json { background: var(--brass-soft); color: var(--brass); }

/* ---------- layout */
.layout { display: grid; grid-template-columns: minmax(320px, 400px) minmax(0, 1fr); gap: 24px; margin-top: 20px; align-items: start; }
@media (max-width: 1020px) { .layout { grid-template-columns: minmax(0, 1fr); } }
.panel { display: grid; gap: 16px; min-width: 0; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: grid; gap: 14px; min-width: 0; box-shadow: var(--shadow); }
.step h2 { margin: 0; font-family: var(--f-display); font-weight: 600; font-size: 21px; display: flex; align-items: center; gap: 10px; }
.num { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--surface); font: 700 14px var(--f-body); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.field { display: grid; gap: 6px; min-width: 0; }
.field > span { font-size: 13.5px; color: var(--ink-2); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.field.grow { flex: 1 1 150px; }
.field.narrow input { width: 86px; }
input[type=text], input[type=number], select, textarea { background: var(--surface-2); border: 1px solid var(--line-2); border-radius: var(--r-s); padding: 8px 10px; min-height: 40px; min-width: 0; max-width: 100%; }
input[type=text]:hover, input[type=number]:hover, select:hover, textarea:hover { border-color: var(--muted); }
input:focus, select:focus, textarea:focus { border-color: var(--accent); background: var(--surface); }
textarea { font-family: var(--f-mono); font-size: 14px; line-height: 1.6; resize: vertical; width: 100%; }
.check { display: inline-flex; gap: 8px; align-items: center; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); }
.check.small { font-size: 14px; color: var(--ink-2); }
.hint, .muted { color: var(--muted); font-size: 13.5px; margin: 0; }
.divider { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---------- free music library */
.finder { position: fixed; inset: 0; z-index: 70; background: color-mix(in srgb, var(--ink) 45%, transparent); display: grid; grid-template-rows: minmax(0, 1fr); grid-template-columns: minmax(0, 1fr); place-items: center; overflow: hidden; padding: max(12px, env(safe-area-inset-top, 0px)) max(12px, env(safe-area-inset-right, 0px)) max(12px, env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px)); }
.finder-box { background: var(--surface); color: var(--ink); border-radius: var(--r); box-shadow: 0 24px 60px rgba(0,0,0,.3); width: min(1100px, 100%); height: min(760px, 100%); max-height: 100%; overflow: hidden; display: grid; grid-template-rows: auto auto auto minmax(0, 1fr); gap: 10px; padding: 18px; min-width: 0; }
.finder-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.finder-head h2 { margin: 0; font-family: var(--f-display); font-weight: 600; font-size: 22px; }
.finder-bar { display: flex; gap: 8px; flex-wrap: wrap; }
.finder-bar input { flex: 1 1 280px; font-size: 16px; min-height: 44px; }
.finder-bar select { flex: 0 1 280px; }
.finder-main { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 14px; min-height: 0; }
@media (max-width: 760px) { .finder-main { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) auto; } .finder-prev { max-height: 48vh; } }
.finder-list { overflow-y: auto; display: grid; align-content: start; gap: 4px; border: 1px solid var(--line); border-radius: var(--r-s); padding: 6px; min-height: 0; }
.finder-count { padding: 4px 6px; font-size: 13px; }
.finder-item { display: grid; gap: 2px; text-align: left; border: 0; background: transparent; border-radius: 6px; padding: 8px 10px; cursor: pointer; }
.finder-item:hover, .finder-item:focus-visible { background: var(--surface-2); outline: none; }
.finder-item[aria-selected="true"] { background: var(--find-soft); box-shadow: inset 3px 0 0 var(--find); }
.finder-item small { color: var(--muted); font-size: 12.5px; }
.finder-prev { overflow-y: auto; display: grid; align-content: start; gap: 10px; min-height: 0; padding: 4px 2px; }
.finder-prev h3 { margin: 0; font-family: var(--f-display); font-size: 22px; font-weight: 600; text-wrap: balance; }
.finder-empty { padding: 24px 8px; }
.finder-badge { color: var(--warn); font-weight: 600; }
.mini-wrap { background: var(--paper); color: var(--paper-ink); border: 1px solid var(--line); border-radius: var(--r-s); padding: 8px; overflow-x: auto; }
.mini-staff { display: block; height: 110px; width: auto; max-width: none; }

/* ---------- parts table */
.parts-grid { display: grid; gap: 8px; }
.pg-head, .pg-row { display: grid; grid-template-columns: minmax(70px, .7fr) minmax(0, 1.5fr) minmax(0, 1.1fr) minmax(0, 1.1fr); gap: 8px; align-items: center; }
.pg-row select.pg-imp.on { border-color: var(--accent); color: var(--accent); font-weight: 600; }
@media (max-width: 640px) { .pg-head, .pg-row { grid-template-columns: minmax(64px, .7fr) minmax(0, 1.4fr) minmax(0, 1fr); } .pg-head > span:last-child { display: none; } .pg-row .pg-imp { grid-column: 2 / -1; } }
.pg-head { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.pg-head > span { display: inline-flex; align-items: center; gap: 6px; }
.pg-name { display: grid; line-height: 1.25; min-width: 0; }
.pg-name small { color: var(--muted); font-size: 12px; }
.pg-row select { width: 100%; }

/* ---------- reading */
.read-box { display: grid; gap: 10px; }
.drop-zone { display: grid; justify-items: center; gap: 6px; text-align: center; padding: 20px 14px; border: 2px dashed var(--line-2); border-radius: var(--r); color: var(--muted); font-size: 14px; cursor: pointer; background: var(--surface-2); transition: border-color .12s, background-color .12s; }
.drop-zone strong { color: var(--ink); font-size: 16px; }
.drop-zone .dz-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--up-soft); color: var(--up); }
.drop-zone .dz-icon .ic { width: 24px; height: 24px; }
.drop-zone .btn { margin-top: 4px; pointer-events: none; }
.drop-zone:hover, .drop-zone.over { border-color: var(--up); background: var(--up-soft); }
.read-actions { align-items: center; }
.drop-overlay { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; background: color-mix(in srgb, var(--bg) 82%, transparent); border: 4px dashed var(--up); pointer-events: none; }
.drop-overlay div { display: grid; gap: 6px; text-align: center; background: var(--surface); padding: 24px 30px; border-radius: var(--r); box-shadow: 0 10px 30px rgba(0,0,0,.15); max-width: 440px; }
.drop-overlay strong { font-family: var(--f-display); font-size: 24px; color: var(--up); }
.thumbs { display: flex; gap: 6px; flex-wrap: wrap; }
.thumbs:empty { display: none; }
.thumbs a { display: block; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #fff; }
.thumbs img { display: block; height: 80px; width: auto; }
.read-result { display: grid; gap: 8px; }
.chip.bad { border-color: var(--bad); }
.spin { display: inline-block; width: 12px; height: 12px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: sp 0.8s linear infinite; vertical-align: -1px; margin-right: 8px; }
@keyframes sp { to { transform: rotate(360deg); } }
.help { width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--line-2); background: var(--surface); color: var(--muted); font-size: 12px; font-weight: 700; cursor: pointer; padding: 0; line-height: 1; flex: none; }
.help:hover { color: var(--accent); border-color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--line-2); background: var(--surface-2); border-radius: var(--r-s); padding: 8px 12px; cursor: pointer; text-align: left; max-width: 100%; font-weight: 500; }
.chip:hover { border-color: var(--accent); }
.chip[aria-checked="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); font-weight: 600; box-shadow: inset 0 0 0 1px var(--accent); }
.chip small { display: block; color: var(--muted); font-family: var(--f-mono); font-size: 12px; font-weight: 400; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 300px; }
.ibox { display: grid; gap: 12px; }
.ibox[aria-disabled="true"] { opacity: .5; pointer-events: none; }
.issues { display: grid; gap: 6px; font-size: 14px; }
.hist { border: 1px solid var(--line); border-radius: var(--r-s); padding: 8px 12px; background: var(--surface); }
.hist > summary { cursor: pointer; font-weight: 600; padding: 2px 0; }
.hist[open] { display: grid; gap: 10px; padding-bottom: 12px; }
.hist-list { display: grid; gap: 8px; max-height: 420px; overflow-y: auto; }
.hist-item { display: grid; gap: 4px; padding: 10px; border-radius: var(--r-s); border: 1px solid var(--line); min-width: 0; }
.hist-item.kept { border-color: var(--brass); background: var(--brass-soft); }
.hist-item.failed .hist-what { color: var(--bad); }
.hist-top { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.hist-files { overflow-wrap: anywhere; font-size: 14px; }
.hist-item textarea { width: 100%; font: inherit; }
.issue { display: flex; gap: 10px; align-items: baseline; padding: 8px 10px; border-radius: var(--r-s); background: var(--brass-soft); }
.issue b { color: var(--brass); font-weight: 600; white-space: nowrap; }
.issue.ok { background: var(--up-soft); }
.issue.ok b { color: var(--good); }

/* ---------- main area */
.main { min-width: 0; display: grid; gap: 14px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 10px 12px; box-shadow: var(--shadow); }
.transport { display: flex; gap: 10px; align-items: center; margin-left: auto; flex-wrap: wrap; }
.msg { padding: 12px 14px; border-radius: var(--r-s); border: 1px solid var(--line); background: var(--surface); font-size: 14.5px; }
.msg.error { border-color: var(--bad); box-shadow: inset 4px 0 0 var(--bad); }
.msg.note { box-shadow: inset 4px 0 0 var(--dl); }
.msg b { font-weight: 600; }
.quality { display: flex; flex-wrap: wrap; gap: 8px; }
.q { display: inline-flex; gap: 7px; align-items: center; padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.q::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--good); }
.q.bad::before { background: var(--bad); }
.q.info::before { background: var(--muted); }

.paper-wrap { overflow-x: auto; border-radius: var(--r); }
.paper { background: var(--paper); color: var(--paper-ink); border-radius: var(--r); padding: 28px 32px 18px; min-width: 640px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.paper-head { text-align: center; display: grid; gap: 4px; margin-bottom: 8px; }
.paper-head h1 { font-family: var(--f-display); font-weight: 600; font-size: 28px; margin: 0; color: var(--paper-ink); text-wrap: balance; }
.psub { color: var(--paper-muted); font-size: 14px; font-family: var(--f-body), "Noto Music"; }
.paper-foot { color: var(--paper-muted); font-size: 12px; text-align: center; margin-top: 10px; }
.score svg { display: block; width: 100%; height: auto; }
.print-book { display: none; }
.empty-state { display: grid; justify-items: center; gap: 12px; text-align: center; padding: 56px 16px 64px; color: var(--paper-ink); }
.empty-state h2 { font-family: var(--f-display); font-weight: 600; font-size: 26px; margin: 0; text-wrap: balance; }
.empty-state p { margin: 0; max-width: 52ch; color: var(--paper-muted); }
.empty-state .dz-icon { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--up-soft); color: var(--up); }
.empty-state .dz-icon .ic { width: 28px; height: 28px; }
.empty-ex { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.empty-err { color: var(--bad) !important; font-weight: 500; }

.chordtrack { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; min-width: 0; box-shadow: var(--shadow); }
.chordtrack h3 { margin: 0 0 10px; font-family: var(--f-display); font-size: 19px; font-weight: 600; display: flex; gap: 8px; align-items: center; }
.track { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; }
.tbar { flex: 0 0 auto; border: 1px solid var(--line); border-radius: var(--r-s); padding: 6px 8px; display: grid; gap: 4px; background: var(--surface-2); }
.tbar.inter { border-color: var(--brass); }
.tbar .bn { font-size: 12px; color: var(--muted); font-weight: 600; font-variant-numeric: tabular-nums; }
.tslots { display: flex; gap: 4px; }
.tslot { position: relative; }
.tslot select { font-family: var(--f-mono); font-size: 13.5px; padding: 4px 6px; min-height: 34px; background: var(--surface); }
.tslot.edited select { border-color: var(--accent); color: var(--accent); }
.tslot.amb::after { content: ""; position: absolute; top: -3px; right: -3px; width: 9px; height: 9px; border-radius: 50%; background: var(--brass); border: 2px solid var(--surface-2); }
.explain { font-size: 14px; color: var(--muted); min-height: 1.5em; margin-top: 4px; }
.explain b { color: var(--ink); font-weight: 600; }

.pop { position: fixed; z-index: 55; max-width: min(400px, calc(100vw - 32px)); background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; box-shadow: 0 14px 36px rgba(0,0,0,.2); display: grid; gap: 10px; font-size: 14.5px; }
.pop dl { margin: 0; display: grid; gap: 6px; }
.pop dt { font-weight: 600; font-size: 12px; color: var(--brass); letter-spacing: .06em; text-transform: uppercase; }
.pop dd { margin: 0; }
.pop .btn { justify-self: end; }

.foot { display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: space-between; color: var(--muted); font-size: 13px; margin-top: 24px; border-top: 1px solid var(--line); padding-top: 14px; }

@media (max-width: 640px) {
  .actions { width: 100%; }
  .actions .btn.act { flex: 1 1 auto; padding-inline: 10px; }
  .transport { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

@media print {
  @page { size: A4 portrait; margin: 12mm; }
  html, body { background: #fff !important; padding: 0 !important; }
  .top, .frame-note, .panel, .toolbar, .msg, .quality, .chordtrack, .foot, .pop, .menu { display: none !important; }
  .layout { display: block; margin: 0; }
  .paper-wrap { overflow: visible; }
  .paper { box-shadow: none; border: 0; padding: 0; min-width: 0; background: #fff; color: #000; }
  .score svg, .print-book svg { break-inside: avoid; display: block; width: 100%; height: auto; }
  body.printing-book #printArea { display: none !important; }
  body.printing-book .print-book { display: block !important; }
  .print-piece { break-after: page; color: #000; }
  .print-piece:last-child { break-after: auto; }
  .print-piece h1 { font-family: var(--f-display); font-weight: 600; font-size: 24px; text-align: center; margin: 0; }
  .print-piece .psub { text-align: center; margin-bottom: 8px; }
  :root { --paper-ink: #000; }
}

/* improvise a solo: big, easy targets */
.improv-box { display: grid; gap: 12px; padding: 16px; margin: 12px 0; border-radius: var(--r); background: var(--find-soft); border: 2px solid color-mix(in srgb, var(--find) 45%, transparent); }
.improv-box.on { border-color: var(--find); box-shadow: 0 0 0 3px color-mix(in srgb, var(--find) 18%, transparent); }
.improv-head { display: flex; align-items: center; gap: 8px; font-size: 18px; font-family: var(--f-display); }
.improv-ic { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--find); color: var(--on-act); font-size: 17px; }
.improv-line { display: grid; grid-template-columns: 96px minmax(0, 1fr); align-items: center; gap: 10px; }
.improv-k { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.improv-line select { min-height: 48px; font-size: 16px; max-width: 360px; }
.chips.big .chip { min-height: 48px; min-width: 76px; padding: 10px 16px; font-size: 16px; text-align: center; border-width: 2px; }
.improv-box .chip[aria-checked="true"] { border-color: var(--find); background: var(--find); color: var(--on-act); box-shadow: none; }
.improv-box .chip[disabled] { opacity: .45; cursor: default; }
.improv-go { display: flex; justify-content: flex-end; }
.improv-go .btn { min-height: 48px; font-size: 16px; padding: 0 22px; }
@media (max-width: 560px) { .improv-line { grid-template-columns: minmax(0, 1fr); gap: 6px; } .improv-go .btn { width: 100%; } .chips.big .chip { flex: 1 1 auto; } }
/* the file that is loaded, with a clear way to delete it */
.file-bar { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line-2); border-radius: var(--r-s); background: var(--surface-2); }
.fb-name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.btn.danger { background: transparent; color: var(--bad); border: 2px solid var(--bad); min-height: 40px; font-weight: 600; }
.btn.danger:hover, .btn.danger.arm { background: var(--bad); color: var(--on-act); }

/* fingerings toggle */
.fing-btn { min-height: 44px; border: 2px solid var(--line-2); background: var(--surface-2); font-weight: 600; }
.fing-btn.on, .fing-btn[aria-pressed="true"] { border-color: var(--up); background: var(--up); color: var(--on-act); }

/* fold-out sections: the less used settings, out of the way until needed */
details.more { border: 1px solid var(--line); border-radius: var(--r-s); background: var(--surface-2); }
details.more > summary { cursor: pointer; list-style: none; padding: 12px 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; min-height: 44px; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before { content: '▸'; color: var(--muted); transition: transform .15s; }
details.more[open] > summary::before { transform: rotate(90deg); }
details.more[open] { padding-bottom: 12px; }
details.more > :not(summary) { margin-left: 14px; margin-right: 14px; }
details.more > .row, details.more > .field, details.more > .hint, details.more > button { margin-top: 10px; }
details.qbox { margin: 10px 0; }
details.qbox > .quality { margin-top: 4px; }
details.qbox.warn > summary { color: var(--warn); }

/* keep everything inside the left panel, however long a file name is */
.step, .step > *, .read-box, .read-box > * { min-width: 0; }
.file-bar { max-width: 100%; overflow: hidden; }
.file-bar .btn { flex: 0 0 auto; }
.fing-btn { color: var(--ink); }
.fing-btn.on, .fing-btn[aria-pressed="true"] { color: var(--on-act); }
details.more.warn > summary { color: var(--warn); }
details.more > .issues { margin-top: 6px; }
.np-chips { margin: 4px 0 12px; }
.sax-box { background: color-mix(in srgb, var(--find-soft) 70%, var(--paper, transparent)); }
.sax-sliders { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 8px 18px; }
.sax-sl { display: grid; grid-template-columns: minmax(0, 1fr) 40px; grid-template-areas: "l v" "r r"; align-items: center; gap: 2px 8px; font-size: 14px; font-weight: 600; min-width: 0; }
.sax-sl span { grid-area: l; } .sax-sl output { grid-area: v; text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }
.sax-sl input[type=range] { grid-area: r; width: 100%; min-height: 32px; accent-color: var(--find); }
.sax-box.off .sax-sliders, .sax-box.off #saxMore, .sax-box.off .improv-line:has(#saxInst), .sax-box.off .improv-go { display: none; }
#saxTechs { margin-top: 8px; }
#saxTechs .chip[aria-pressed="false"] { opacity: .55; text-decoration: line-through; }
.improv-go { gap: 8px; flex-wrap: wrap; }

/* ---------- pages of an uploaded score ---------- */
.pages-box { display: grid; gap: 12px; padding: 16px; margin: 12px 0; border-radius: var(--r); background: var(--panel, var(--find-soft)); border: 2px solid color-mix(in srgb, var(--mark, var(--find)) 35%, transparent); min-width: 0; }
.pages-head { display: flex; align-items: center; gap: 8px; font-size: 18px; font-family: var(--f-display); flex-wrap: wrap; }
.pages-head .muted { font-size: 14px; font-family: inherit; }
.pg-stale { padding: 10px 12px; border-radius: 10px; background: var(--warn-soft, #fff4d6); color: var(--ink); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.pages-box.stale .pg-view, .pages-box.stale .page-tabs { opacity: .55; }
.pg-view { margin: 0; display: grid; gap: 6px; justify-items: center; min-width: 0; }
.pg-view img { max-width: 100%; max-height: 44vh; width: auto; height: auto; object-fit: contain; background: #fff; border-radius: 6px; box-shadow: 0 1px 6px rgba(0,0,0,.18); }
.pg-view figcaption { font-size: 14px; color: var(--muted); text-align: center; overflow-wrap: anywhere; }
.pg-flags { font-size: 14px; display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.pg-flag { padding: 2px 8px; border-radius: 999px; background: var(--warn-soft, #fff4d6); color: var(--ink); }
.pg-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.pg-actions .btn { min-height: 44px; font-size: 15px; }
.pg-actions .btn.on { box-shadow: 0 0 0 3px color-mix(in srgb, var(--play) 30%, transparent); }
.pg-reorder { display: grid; gap: 10px; padding: 12px; border-radius: 10px; background: color-mix(in srgb, var(--find-soft) 60%, transparent); }
.pg-cmd { display: flex; gap: 8px; min-width: 0; }
.pg-cmd input { flex: 1 1 auto; min-width: 0; min-height: 44px; font-size: 15px; }
.pg-cmd .btn { min-height: 44px; }
#pgMic.on { background: var(--play); color: var(--on-act); }
.pg-undo { display: flex; flex-wrap: wrap; gap: 8px; }
.page-tabs { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 4px; border-top: 1px solid var(--line); padding-block: 10px 2px; touch-action: pan-y; }
.pg-tab { position: relative; display: grid; justify-items: center; gap: 4px; width: 92px; padding: 6px 6px 8px; border-radius: 10px; border: 2px solid var(--line); background: var(--bg, #fff); color: var(--ink); cursor: grab; font: inherit; user-select: none; -webkit-user-select: none; touch-action: none; }
.pg-tab img { width: 76px; height: 98px; object-fit: contain; background: #fff; border-radius: 4px; pointer-events: none; }
.pg-tab .pg-ph { display: grid; place-items: center; width: 76px; height: 98px; border-radius: 4px; background: color-mix(in srgb, var(--find-soft) 70%, transparent); font-size: 28px; color: var(--muted); }
.pg-tab .pg-lb { font-size: 14px; font-weight: 700; }
.pg-tab.sel { border-color: var(--find); box-shadow: 0 0 0 3px color-mix(in srgb, var(--find) 25%, transparent); background: var(--find-soft); }
.pg-tab.sounding { border-color: var(--play); }
.pg-tab.sounding .pg-lb::after { content: ' ♪'; color: var(--play); }
.pg-tab.empty { opacity: .7; }
.pg-tab.dragging { z-index: 5; cursor: grabbing; opacity: .9; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.pg-tab.drop-before::before, .page-tabs.drop-end .pg-add::before { content: ''; position: absolute; left: -8px; top: 6px; bottom: 6px; width: 4px; border-radius: 2px; background: var(--find); }
.pg-badge { position: absolute; top: 2px; right: 2px; font-size: 11px; padding: 1px 5px; border-radius: 999px; background: var(--warn, #c77700); color: #fff; }
.pg-add { cursor: pointer; border-style: dashed; touch-action: auto; }
.pg-preview { width: min(980px, calc(100vw - 32px)); max-height: calc(100vh - 32px); border: 0; border-radius: 14px; padding: 0; background: var(--bg, #fff); color: var(--ink); }
.pg-preview::backdrop { background: rgba(0,0,0,.45); }
.pg-prev-head, .pg-prev-foot { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px 16px; }
.pg-prev-head b { font-size: 18px; margin-right: auto; }
.pg-prev-foot { justify-content: flex-end; border-top: 1px solid var(--line); }
.pg-sheets { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; padding: 16px; overflow: auto; max-height: 64vh; background: color-mix(in srgb, var(--line) 40%, transparent); }
.pg-sheet { margin: 0; display: grid; gap: 6px; justify-items: center; }
.pg-sheet canvas { width: 100%; height: auto; background: #fff; box-shadow: 0 1px 6px rgba(0,0,0,.25); }
.pg-sheet figcaption { font-size: 13px; color: var(--muted); }
#pagePrint { display: none; }
@media print {
  body.printing-pages > *:not(#pagePrint) { display: none !important; }
  body.printing-pages #pagePrint { display: block !important; }
  #pagePrint .pp-sheet { break-after: page; page-break-after: always; overflow: hidden; display: grid; place-items: center; }
  #pagePrint .pp-sheet:last-child { break-after: auto; page-break-after: auto; }
  #pagePrint img { width: 100%; height: 100%; object-fit: contain; }
}
@media (max-width: 560px) { .pg-actions .btn { flex: 1 1 calc(50% - 8px); } .pg-tab { width: 78px; } .pg-tab img, .pg-tab .pg-ph { width: 62px; height: 80px; } }

/* ---------- instrument pictures ---------- */
.ii { width: 26px; height: 26px; flex: none; }
.ii.sm { width: 20px; height: 20px; vertical-align: -5px; margin-right: 5px; }
.ii.faint { opacity: .45; }
.ipick { position: relative; min-width: 0; }
.ipick-native { position: absolute !important; inset: 0; width: 100%; height: 100%; opacity: 0; pointer-events: none; }
.ipick-btn { display: flex; align-items: center; gap: 8px; width: 100%; min-height: 44px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--field, var(--bg, #fff)); color: var(--ink); font: inherit; text-align: left; cursor: pointer; }
.ipick-btn:hover { border-color: var(--find); }
.ipick-btn[aria-expanded="true"] { border-color: var(--find); box-shadow: 0 0 0 3px color-mix(in srgb, var(--find) 22%, transparent); }
.ipick-name { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ipick-car { color: var(--muted); }
.ipick-menu { position: absolute; z-index: 40; top: calc(100% + 4px); left: 0; width: max(100%, 320px); max-width: calc(100vw - 32px); max-height: 60vh; overflow: auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 4px; padding: 6px; border-radius: 12px; background: var(--bg, #fff); border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.ipick-opt { display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 6px 8px; border: 0; border-radius: 8px; background: transparent; color: var(--ink); font: inherit; font-size: 14px; text-align: left; cursor: pointer; }
.ipick-opt .ii { width: 30px; height: 30px; }
.ipick-opt:hover, .ipick-opt:focus-visible { background: var(--find-soft); outline: none; }
.ipick-opt[aria-selected="true"] { background: var(--find-soft); box-shadow: inset 0 0 0 2px var(--find); font-weight: 600; }
.paper { position: relative; }
.paper-inst { position: absolute; top: 14px; right: 16px; display: flex; gap: 8px; align-items: flex-start; }
.paper-inst .pi-one { display: grid; justify-items: center; gap: 1px; }
.paper-inst .ii { width: 34px; height: 34px; }
.paper-inst small { font-size: 10px; color: var(--paper-muted); white-space: nowrap; }
@media (max-width: 560px) { .paper-inst .ii { width: 26px; height: 26px; } .paper-inst small { display: none; } }
@media print { .paper-inst { top: 0; right: 0; } }
@media print { .print-piece { position: relative; } }

/* ---------- one tab per instrument under the sheet music ---------- */
.inst-tabs { position: sticky; bottom: 0; z-index: 6; display: flex; gap: 8px; overflow-x: auto; padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px)); margin-top: 10px; border-radius: 14px; background: color-mix(in srgb, var(--bg, #fff) 92%, transparent); backdrop-filter: blur(6px); border: 1px solid var(--line); box-shadow: 0 -4px 16px rgba(0,0,0,.08); }
.it-tab { flex: none; display: grid; grid-template-columns: auto auto; grid-template-rows: auto auto; column-gap: 8px; align-items: center; min-height: 52px; padding: 6px 14px 6px 10px; border-radius: 12px; border: 2px solid var(--line); background: var(--bg, #fff); color: var(--ink); font: inherit; cursor: pointer; text-align: left; }
.it-tab .ii { grid-row: 1 / span 2; width: 30px; height: 30px; }
.it-tab .it-l { font-weight: 700; font-size: 15px; white-space: nowrap; }
.it-tab small { font-size: 11px; color: var(--muted); }
.it-tab:hover { border-color: var(--find); }
.it-tab[aria-selected="true"] { border-color: var(--find); background: var(--find-soft); box-shadow: 0 0 0 3px color-mix(in srgb, var(--find) 20%, transparent); }
#viewTabs button .ii.sm { width: 18px; height: 18px; margin-right: 4px; vertical-align: -4px; }
@media print { .inst-tabs { display: none !important; } }

/* ---------- the ribbon (tabs of tools above the music, like Sibelius) ---------- */
.layout.one { grid-template-columns: minmax(0, 1fr); }
.ribbon { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); min-width: 0; position: relative; }
.dock-tabs { display: flex; gap: 2px; overflow-x: auto; padding: 6px 8px 0; border-bottom: 1px solid var(--line); scrollbar-width: thin; }
.dock-tabs [role="tab"], .dock-fold { flex: none; display: inline-flex; align-items: center; gap: 6px; min-height: 42px; padding: 0 14px; border: 0; border-bottom: 3px solid transparent; background: transparent; color: var(--ink); font: inherit; font-size: 15px; font-weight: 600; cursor: pointer; border-radius: 8px 8px 0 0; position: relative; white-space: nowrap; }
.dock-tabs [role="tab"]:hover, .dock-fold:hover { background: color-mix(in srgb, var(--find-soft) 70%, transparent); }
.dock-tabs [role="tab"][aria-selected="true"] { border-bottom-color: var(--find); color: var(--find); background: var(--find-soft); }
.ribbon.folded .dock-tabs [role="tab"][aria-selected="true"] { background: transparent; border-bottom-color: transparent; color: var(--ink); }
.dock-tabs [role="tab"].dot::after { content: ''; position: absolute; top: 8px; right: 6px; width: 7px; height: 7px; border-radius: 50%; background: var(--play); }
.dt-ic { font-size: 15px; }
.dock-fold { margin-left: auto; color: var(--muted); font-weight: 500; }
#dockCustom { margin-left: 0; }
.dock-panel { padding: 12px; min-width: 0; }
.dock-panel > .step { box-shadow: none; border: 0; padding: 4px; background: transparent; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); align-items: start; gap: 14px 22px; }
.dock-panel > .step > h2 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.dock-panel > .improv-box, .dock-panel > .pages-box { margin: 0; }
.dock-panel .toolbar { border: 0; box-shadow: none; padding: 2px; background: transparent; }
.dock-panel .qbox > summary { display: none; }
.dock-panel .qbox { border: 0; margin: 0 0 12px; }
.dock-menu { position: absolute; right: 8px; top: 52px; z-index: 30; display: grid; gap: 6px; padding: 12px 14px; min-width: 220px; border-radius: 12px; background: var(--bg, #fff); border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.dm-head { font-weight: 700; margin-bottom: 4px; }
.rb-tempo, .rb-zoom { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; }
.rb-tempo input, .rb-zoom input { width: 150px; accent-color: var(--find); }
.rb-tempo output, .rb-zoom output { min-width: 52px; color: var(--muted); font-variant-numeric: tabular-nums; }
.score svg { width: calc(100% * var(--zoom, 1)); margin-inline: auto; }
.it-play { flex: none; min-width: 52px; min-height: 52px; border-radius: 12px; border: 0; background: var(--play); color: #fff; font-size: 20px; cursor: pointer; }
.it-play.on { background: var(--ink); }
@media print { .ribbon { display: none !important; } }
@media (max-width: 640px) { .dock-tabs [role="tab"] { padding: 0 10px; font-size: 14px; } .dock-tabs [role="tab"] [data-i] { display: none; } .dock-tabs [role="tab"][aria-selected="true"] [data-i] { display: inline; } .dt-ic { font-size: 18px; } }
.dock-panel .transport { margin-left: 0; }
.dock-panel[data-panel="song"] > .step { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-content: start; }
.dock-panel[data-panel="song"] > .step > #readBox { grid-row: span 8; }
@media (max-width: 760px) { .dock-panel[data-panel="song"] > .step { grid-template-columns: minmax(0, 1fr); } .dock-panel[data-panel="song"] > .step > #readBox { grid-row: auto; } }

/* ---------- Mixer, Practice, Edit notes, Layout ---------- */
.tool-box { display: grid; gap: 12px; min-width: 0; }
.mix-grid { display: grid; gap: 8px; }
.mix-row { display: grid; grid-template-columns: minmax(150px, 1.2fr) minmax(160px, 2fr) minmax(160px, 2fr) auto auto; gap: 10px 16px; align-items: center; padding: 8px 10px; border: 1px solid var(--line); border-radius: 12px; min-width: 0; }
.mix-name { display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 6px; align-items: center; min-width: 0; }
.mix-name .ii { grid-row: 1 / span 2; width: 26px; height: 26px; }
.mix-name small { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mix-sl { display: grid; grid-template-columns: auto minmax(0, 1fr) 48px; gap: 8px; align-items: center; font-size: 13px; font-weight: 600; min-width: 0; }
.mix-sl input { width: 100%; accent-color: var(--find); }
.mix-sl output { color: var(--muted); font-variant-numeric: tabular-nums; text-align: right; }
.mix-t { min-height: 38px; padding: 0 12px; }
.mix-t.on { background: var(--find); color: var(--on-act); border-color: var(--find); }
.tool-foot { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.prac-row, .edit-row { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.prac-f { display: inline-flex; gap: 8px; align-items: center; font-weight: 600; font-size: 14px; }
.prac-f select { min-height: 40px; }
.prac-sp { min-width: 260px; }
.edit-info { margin: 0; font-weight: 600; }
.edit-row .btn { min-height: 42px; }
.lay-row { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 10px; align-items: center; }
#score ellipse.nh.sel { fill: var(--find) !important; stroke: var(--find) !important; }
.dock-panel[data-panel="edit"]:not([hidden]) ~ * #score ellipse.nh { cursor: pointer; }
@media (max-width: 760px) { .mix-row { grid-template-columns: minmax(0, 1fr) auto auto; } .mix-row .mix-sl { grid-column: 1 / -1; } .lay-row { grid-template-columns: minmax(0, 1fr); } }
.p2-box { display: grid; gap: 6px; margin: 2px 0 10px; } .p2-box .chip small { display: block; font-size: 11px; color: var(--muted); font-weight: 400; }
.it-wrap { flex: none; display: inline-flex; align-items: stretch; }
.it-wrap .it-tab { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.it-swap { min-width: 34px; border: 2px solid var(--line); border-left: 0; border-radius: 0 12px 12px 0; background: var(--bg, #fff); color: var(--ink); font-size: 16px; cursor: pointer; }
.it-swap:hover, .it-swap:focus-visible { background: var(--find-soft); border-color: var(--find); }
.it-wrap .it-tab[aria-selected="true"] + .it-swap { border-color: var(--find); background: var(--find-soft); }
.it-menu { position: fixed; z-index: 60; top: auto; overflow: auto; }
.it-menu-head { grid-column: 1 / -1; font-weight: 700; padding: 4px 6px 6px; }

/* ---------- the toolbar that appears at a chosen note ---------- */
.note-bar { position: fixed; z-index: 70; display: flex; align-items: center; gap: 2px; padding: 5px; border-radius: 12px; background: var(--ink); color: var(--bg, #fff); box-shadow: 0 8px 26px rgba(0,0,0,.28); max-width: calc(100vw - 16px); flex-wrap: wrap; }
.note-bar .nb-name { font-weight: 700; padding: 0 10px 0 6px; min-width: 38px; text-align: center; font-size: 15px; }
.note-bar .nb-b { min-width: 36px; height: 36px; padding: 0 6px; border: 0; border-radius: 8px; background: transparent; color: inherit; font: inherit; font-size: 15px; font-weight: 600; cursor: pointer; }
.note-bar .nb-b:hover, .note-bar .nb-b:focus-visible { background: color-mix(in srgb, var(--bg, #fff) 22%, transparent); outline: none; }
#score ellipse.nh { cursor: pointer; }
@media print { .note-bar { display: none !important; } }

/* ---------- a newer version is ready ---------- */
.upd-bar { position: fixed; z-index: 90; left: 50%; transform: translateX(-50%); top: calc(env(safe-area-inset-top, 0px) + 10px); display: flex; gap: 12px; align-items: center; padding: 10px 12px 10px 16px; border-radius: 14px; background: #1f2a44; color: #fff; box-shadow: 0 10px 30px rgba(0,0,0,.3); max-width: calc(100vw - 24px); flex-wrap: wrap; font-weight: 600; }
/* older Safari: plain colours where color-mix() is not known, and the prefixed blur */
.inst-tabs { background: var(--bg, #fff); -webkit-backdrop-filter: blur(6px); }
@supports (background: color-mix(in srgb, red 50%, blue)) { .inst-tabs { background: color-mix(in srgb, var(--bg, #fff) 92%, transparent); } }
dialog:not([open]) { display: none; }

/* "show me": jumping from a problem to its place */
.issue.jumpable { cursor: pointer; border-radius: 8px; transition: background .15s; }
.issue.jumpable:hover, .issue.jumpable:focus-visible { background: color-mix(in srgb, var(--accent) 10%, transparent); outline: none; }
.issue.jumpable b::after { content: " ›"; color: var(--accent); }
.msg .msg-jump { margin-left: 6px; vertical-align: baseline; }
@keyframes jumpFlash { 50% { fill: #e8590c; stroke: #e8590c; } }
ellipse.nh.flash { animation: jumpFlash 1.2s ease-in-out 2; }
@keyframes jumpRing { 0%, 100% { box-shadow: 0 0 0 0 transparent; } 30% { box-shadow: 0 0 0 4px rgba(232, 89, 12, .45); } }
textarea.flash { animation: jumpRing 1.2s ease-in-out 2; }

/* fixes under a problem, sound check, online search */
.fix-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; flex-basis: 100%; }
.issue { flex-wrap: wrap; }
.imp-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.imp-check-out { margin-top: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel, var(--bg)); display: grid; gap: 8px; min-width: 0; }
.chk-list { display: grid; gap: 6px; }
.chk-row { display: grid; grid-template-columns: minmax(80px, auto) minmax(90px, 160px) 1fr auto; gap: 8px; align-items: center; padding: 6px 8px; border-radius: 8px; }
.chk-row.best { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.chk-row.cur b::after { content: " ●"; color: var(--accent); }
.chk-row small { color: var(--muted); min-width: 0; }
.chk-score { position: relative; display: block; height: 18px; border-radius: 9px; background: var(--line); font-size: 12px; font-weight: 700; line-height: 18px; text-align: center; overflow: hidden; }
.chk-score i { position: absolute; inset: 0 auto 0 0; width: var(--v); background: color-mix(in srgb, var(--accent) 55%, transparent); z-index: 0; }
.chk-score { isolation: isolate; } .chk-score i { z-index: -1; }
.chk-btns { display: flex; gap: 6px; }
.online-links { display: flex; flex-wrap: wrap; gap: 8px; }
.ask-box p { margin: 6px 0 0; line-height: 1.5; }
@media (max-width: 640px) { .chk-row { grid-template-columns: 1fr auto; } .chk-row small { grid-column: 1 / -1; } .chk-score { grid-column: 1 / -1; } }
.online-q { width: 100%; max-width: 520px; }

/* ---------------------------------------------------------------- start screen (AGMars Interactive presents Duo Craft) */
html.splashing, html.splashing body { overflow: hidden; }
.splash { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; overflow: hidden; color: #eef3ff; cursor: pointer;
  background: radial-gradient(120% 90% at 50% 40%, #0b1a33 0%, #050a16 45%, #000 100%); transition: opacity .65s ease, transform .65s ease; }
.splash.out { opacity: 0; transform: scale(1.03); pointer-events: none; }
.sp-stars { position: absolute; inset: 0; width: 100%; height: 100%; }
.sp-glow { position: absolute; left: 50%; top: 46%; width: 90vmin; height: 90vmin; translate: -50% -50%; border-radius: 50%;
  background: radial-gradient(circle, rgba(58, 141, 255, .22) 0%, rgba(58, 141, 255, .06) 40%, transparent 68%); animation: spPulse 4.5s ease-in-out infinite; }
@keyframes spPulse { 50% { transform: scale(1.08); opacity: .8; } }
.sp-stage { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 14px; padding: 24px max(16px, env(safe-area-inset-left, 0px)); text-align: center; }
/* 1 · the studio */
.sp-studio { animation: spStudio 2.5s ease forwards; }
@keyframes spStudio { 0% { opacity: 0; } 12% { opacity: 1; } 84% { opacity: 1; } 100% { opacity: 0; visibility: hidden; } }
.sp-logo { position: relative; width: min(92vw, 640px); aspect-ratio: 5 / 2; 
  animation: spLogo 2.4s cubic-bezier(.2, .7, .2, 1) both; }
.sp-logo img { width: 100%; height: 100%; display: block; object-fit: cover; -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 14%, #000 90%, transparent 100%); mask-image: linear-gradient(to bottom, transparent 0, #000 14%, #000 90%, transparent 100%); }
@keyframes spLogo { 0% { opacity: 0; transform: scale(1.08); filter: blur(6px) brightness(.6); } 35% { opacity: 1; filter: blur(0) brightness(1); } 100% { transform: scale(1); } }
.sp-sheen { position: absolute; inset: 0; background: linear-gradient(105deg, transparent 35%, rgba(200, 230, 255, .35) 48%, rgba(255, 255, 255, .55) 50%, rgba(200, 230, 255, .3) 52%, transparent 65%);
  background-size: 250% 100%; background-position: 130% 0; animation: spSheen 1.3s .75s ease-in-out both;
  -webkit-mask: url(agmars-logo.webp) center / 100% 100% no-repeat; mask: url(agmars-logo.webp) center / 100% 100% no-repeat; }
@keyframes spSheen { 0% { background-position: 130% 0; opacity: 1; } 90% { opacity: 1; } 100% { background-position: -40% 0; opacity: 0; } }
.sp-presents { font: 500 13px/1 var(--f-body, "IBM Plex Sans", system-ui, sans-serif); letter-spacing: .55em; text-transform: uppercase; color: #9fc2ef; padding-left: .55em; opacity: 0; animation: spUp .8s 1.05s ease forwards; }
/* 2 · the title */
.sp-title { opacity: 0; animation: spIn .7s 2s ease forwards; gap: 6px; }
@keyframes spIn { to { opacity: 1; } }
.sp-music { width: min(86vw, 760px); height: auto; overflow: visible; margin-bottom: -18px; }
.sp-staff line { stroke-dasharray: 720; stroke-dashoffset: 720; animation: spDraw 1s 2.1s cubic-bezier(.4, 0, .2, 1) forwards; }
.sp-staff line:nth-child(2) { animation-delay: 2.15s; } .sp-staff line:nth-child(3) { animation-delay: 2.2s; } .sp-staff line:nth-child(4) { animation-delay: 2.25s; } .sp-staff line:nth-child(5) { animation-delay: 2.3s; }
.sp-line { fill: none; stroke-width: 3.2; stroke-linecap: round; stroke-dasharray: 900; stroke-dashoffset: 900; animation: spDraw 1.5s 2.35s cubic-bezier(.45, 0, .2, 1) forwards; }
.sp-l2 { animation-delay: 2.55s; stroke-width: 2.6; }
@keyframes spDraw { to { stroke-dashoffset: 0; } }
.sp-n { opacity: 0; transform-box: fill-box; transform-origin: center; animation: spPop .55s calc(2.7s + var(--d) * .17s) cubic-bezier(.3, 1.6, .5, 1) forwards; }
@keyframes spPop { from { opacity: 0; transform: translateY(10px) scale(.6); } to { opacity: 1; transform: none; } }
.sp-name { margin: 0; font: 600 clamp(46px, 11vw, 96px)/1 var(--f-display, "Spectral", Georgia, serif); letter-spacing: .02em;
  filter: drop-shadow(0 4px 22px rgba(241, 197, 106, .28)); }
.sp-name span { background: linear-gradient(180deg, #fff6dc 0%, #f1c56a 45%, #b9822a 100%); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; padding: 0 .04em .08em; display: inline-block; opacity: 0; transform: translateY(18px); animation: spUp .8s 2.75s cubic-bezier(.2, .8, .2, 1) forwards; }
.sp-name span + span { animation-delay: 2.9s; }
@keyframes spUp { to { opacity: 1; transform: none; } }
.sp-tag { margin: 6px 0 0; font: 500 clamp(12px, 2.6vw, 15px)/1.4 var(--f-body, "IBM Plex Sans", system-ui, sans-serif); letter-spacing: .32em; text-transform: uppercase; color: #a9c4ea; opacity: 0; animation: spUp .8s 3.2s ease forwards; }
.sp-load { width: min(220px, 50vw); height: 2px; margin-top: 22px; border-radius: 2px; background: rgba(159, 194, 239, .18); overflow: hidden; opacity: 0; animation: spIn .5s 3.25s ease forwards; }
.sp-load i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #3a8dff, #f1c56a); transition: width .25s linear; }
.sp-skip { position: absolute; right: max(16px, env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px)); padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(159, 194, 239, .35);
  background: rgba(5, 10, 22, .5); color: #cfe0fa; font: 500 13px/1 var(--f-body, "IBM Plex Sans", system-ui, sans-serif); cursor: pointer; opacity: 0; animation: spIn .4s .8s ease forwards; }
.sp-skip:hover, .sp-skip:focus-visible { background: rgba(58, 141, 255, .25); outline: none; }
.sp-foot { position: absolute; left: 0; right: 0; bottom: calc(22px + env(safe-area-inset-bottom, 0px)); text-align: center; font: 500 11px/1 var(--f-body, "IBM Plex Sans", system-ui, sans-serif); letter-spacing: .28em; text-transform: uppercase; color: rgba(169, 196, 234, .55); pointer-events: none; }
@media (max-width: 520px) { .sp-tag { letter-spacing: .16em; } .sp-foot { bottom: calc(64px + env(safe-area-inset-bottom, 0px)); } }
/* calm version: no movement, just the title */
.splash.reduce .sp-studio { display: none; }
.splash.reduce .sp-title, .splash.reduce .sp-title * { animation: none !important; opacity: 1 !important; transform: none !important; stroke-dashoffset: 0 !important; }

.linklike { background: none; border: 0; padding: 0 0 0 10px; color: inherit; font: inherit; text-decoration: underline; cursor: pointer; opacity: .8; }