/* Layout: four sections (Hum, Notes, Chords, Play) under a top bar, with a playback bar always in reach.
   On phones the section tabs sit at the bottom of the screen, like an app. */
:root {
  --paper: #f3f6fb;      /* bright, cool page */
  --sheet: #ffffff;      /* raised panels */
  --ink: #161c2d;
  --ink-soft: #586377;
  --rule: #dde3ee;
  --accent: #2f5be0;     /* cobalt: live pitch, active note, actions */
  --accent-ink: #ffffff;
  --accent-wash: #e7edff;
  --warm: #c25400;       /* chords, the sharp/flat needle */
  --warm-wash: #fff0dc;
  --good: #18864b;
  --wood: #5a3b28;       /* rosewood fretboard */
  --wood-2: #6b4630;
  --fret: #c9c2b4;
  --string: #e7dfcf;
  --inlay: #efe9dc;
  --key-white: #ffffff;
  --key-black: #161c2d;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --font-music: "Noto Music", "Bravura", "Segoe UI Symbol", serif;
  --radius: 10px;
  --rec: #c62f2f;        /* recording */
  --appbar-h: 56px; --tabbar-h: 62px; --player-h: 62px;
  /* One wash per mood, for the mood strip. */
  --m-bright: #ffe8a3; --m-bittersweet: #fcd9e8; --m-dark: #d8def2; --m-hopeful: #d0f0da; --m-bluesy: #cfe5fc;
  --m-dreamy: #e6dafc; --m-epic: #fdd6c8; --m-jazzy: #f3e5c2; --m-floating: #c9eeea;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121817; --sheet: #1a2120; --ink: #e6ece9; --ink-soft: #9aa7a3; --rule: #2d3735;
    --accent: #8ea6ff; --accent-ink: #0f1530; --accent-wash: #1f2846;
    --warm: #e2a54f; --warm-wash: #3a2c17; --good: #6cc492;
    --wood: #3a271b; --wood-2: #45301f; --fret: #8d877c; --string: #cfc6b4; --inlay: #9b9381;
    --key-white: #e9ece9; --key-black: #0c1010; --rec: #e0524f;
    --m-bright: #3d3416; --m-bittersweet: #3b2631; --m-dark: #232a3d; --m-hopeful: #1f3526; --m-bluesy: #1d2d40;
    --m-dreamy: #2d2542; --m-epic: #40261e; --m-jazzy: #35301e; --m-floating: #1b3634;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #121817; --sheet: #1a2120; --ink: #e6ece9; --ink-soft: #9aa7a3; --rule: #2d3735;
  --accent: #8ea6ff; --accent-ink: #0f1530; --accent-wash: #1f2846;
  --warm: #e2a54f; --warm-wash: #3a2c17; --good: #6cc492;
  --wood: #3a271b; --wood-2: #45301f; --fret: #8d877c; --string: #cfc6b4; --inlay: #9b9381;
  --key-white: #e9ece9; --key-black: #0c1010; --rec: #e0524f;
  --m-bright: #3d3416; --m-bittersweet: #3b2631; --m-dark: #232a3d; --m-hopeful: #1f3526; --m-bluesy: #1d2d40;
  --m-dreamy: #2d2542; --m-epic: #40261e; --m-jazzy: #35301e; --m-floating: #1b3634;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
/* ---- App frame ---- */
.appbar { position: sticky; top: 0; z-index: 20; background: var(--sheet); border-bottom: 1px solid var(--rule); padding-top: env(safe-area-inset-top, 0px); }
.appbar-in { max-width: 980px; margin: 0 auto; height: var(--appbar-h); padding: 0 16px; display: flex; align-items: center; gap: 14px; }
.appbar h1 { font: 700 21px/1 var(--font-display); letter-spacing: -0.02em; margin: 0; white-space: nowrap; }
.appbar h1 span { color: var(--accent); }
.context {
  margin-left: auto; min-height: 36px; padding: 8px 12px; border-color: transparent; background: var(--warm-wash); color: var(--ink);
  font: 700 13px/1.1 var(--font-display); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 52vw; display: inline-block;
}
.context[hidden] { display: none; }
/* Colours: match the device, light or dark. */
.theme { flex: none; width: 40px; height: 40px; padding: 0; justify-content: center; border-color: transparent; background: transparent; color: var(--ink-soft); }
.theme svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme .fill { fill: currentColor; stroke: none; }
.context:not([hidden]) + .theme { margin-left: 0; }
.context[hidden] + .theme { margin-left: auto; }
.tabs { display: flex; gap: 2px; }
.tabs button { border: 0; background: transparent; border-radius: 10px; color: var(--ink-soft); font: 600 14px/1 var(--font-body); padding: 9px 12px; gap: 7px; }
.tabs svg { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tabs button[aria-selected="true"] { color: var(--accent); background: var(--accent-wash); }
.wrap { max-width: 980px; margin: 0 auto; padding: 16px 16px calc(var(--player-h) + 40px); }
.view { display: grid; gap: 16px; min-width: 0; }
.view[hidden] { display: none; }

/* Playback bar: floats at the bottom (above the tabs on phones). */
.player {
  position: fixed; z-index: 22; left: 50%; transform: translateX(-50%); bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  width: min(560px, calc(100% - 24px)); display: flex; gap: 8px; padding: 8px;
  background: var(--sheet); border: 1px solid var(--rule); border-radius: 999px; box-shadow: 0 8px 28px rgb(0 0 0 / .14);
}
.player button { flex: 1 1 0; min-width: 0; justify-content: center; min-height: 44px; padding: 10px 8px; white-space: nowrap; }
.player button.playing { background: var(--ink); border-color: var(--ink); color: var(--paper); }

/* Messages: a toast above the playback bar. Tap to close. */
.toast {
  position: fixed; z-index: 23; left: 50%; transform: translateX(-50%); bottom: calc(var(--player-h) + 24px + env(safe-area-inset-bottom, 0px));
  width: max-content; max-width: min(620px, calc(100% - 24px)); margin: 0; padding: 12px 16px; border-radius: 12px;
  background: var(--ink); color: var(--paper); font-size: 14px; line-height: 1.4; box-shadow: 0 8px 28px rgb(0 0 0 / .2); cursor: pointer;
}
.toast[hidden] { display: none; }
.toast.warn { background: var(--warm); color: var(--paper); }

.step-n {
  display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 8px; vertical-align: 2px;
  border-radius: 50%; background: var(--accent); color: var(--accent-ink); font: 700 12px/1 var(--font-body);
}
details.help summary {
  list-style: none; cursor: pointer; min-height: 44px; display: flex; align-items: center; gap: 6px;
  font: 600 14px/1.2 var(--font-body); color: var(--accent);
}
details.help summary::-webkit-details-marker { display: none; }
details.help summary::before { content: "▸"; transition: transform .15s; }
details.help[open] summary::before { transform: rotate(90deg); }
.toolbox .label { display: block; margin: 6px 0 8px; }
.toolbox .chords + .label { margin-top: 16px; }

/* About Surilo: the promise, and an optional tip. */
.about-row { display: flex; flex-wrap: wrap; gap: 10px; }
.about-row a { text-decoration: none; min-height: 44px; justify-content: center; }
.about-row a[hidden] { display: none; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* Setting the tempo of an upload or sample. */
.tempo-row { display: flex; gap: 8px; }
.tempo-row .tool[hidden] { display: none; }
.tempo-sheet { display: grid; gap: 10px; padding: 12px; border: 1px solid var(--accent); border-radius: 10px; background: var(--accent-wash); }
.tempo-sheet[hidden] { display: none; }
.tempo-sheet input[type=number] {
  width: 5.5em; min-height: 44px; padding: 8px 10px; font: 700 18px/1 var(--font-display); text-align: center;
  color: var(--ink); background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px;
}
.tempo-sheet .step { min-width: 44px; min-height: 44px; justify-content: center; font-size: 20px; padding: 0; }
.tempo-sheet #ts-clear[hidden] { display: none; }
.player .play-click { flex: 0 0 48px; padding: 0; }
.player .play-click[hidden] { display: none; }
.player .play-click svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; }
.player .play-click[aria-pressed="true"] { background: var(--accent-wash); border-color: var(--accent); color: var(--accent); }

/* Humming to a beat: the setup above the record button, and the dots that keep time. */
.rec-setup { display: grid; gap: 10px; padding: 12px; border: 1px solid var(--rule); border-radius: 10px; background: var(--paper); }
.rec-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; }
.rec-row .seg button { min-height: 40px; }
.rec-row[hidden], .rec-setup .hint:empty { display: none; }
#rec-tempo { min-height: 40px; font: 700 14px/1 var(--font-display); font-variant-numeric: tabular-nums; }
.rec-dots { justify-content: center; min-height: 40px; }
.rec-dots[hidden] { display: none; }
.rec-dots .dot { width: 30px; height: 30px; }
.live-note.counting .name { color: var(--accent); }
@media (max-width: 720px) {
  #click-mode, #ts-sig, #ts-start { width: 100%; }
  #click-mode button, #ts-sig button, #ts-start button { flex: 1 1 auto; padding: 8px 8px; font-size: 13px; white-space: nowrap; }
  .rec-row .toggle { padding: 8px 12px; }
}
button.rec.big { min-height: 58px; font-size: 17px; justify-content: center; justify-self: start; min-width: 280px; }
.or-row { display: flex; flex-wrap: wrap; gap: 10px; }

@media (max-width: 720px) {
  .appbar-in { padding: 0 12px; }
  .appbar h1 { font-size: 19px; }
  .appbar-in { gap: 8px; }
  .context { max-width: 46vw; }
  .tabs {
    position: fixed; z-index: 21; left: 0; right: 0; bottom: 0; gap: 0; justify-content: space-around;
    background: var(--sheet); border-top: 1px solid var(--rule); padding: 4px 6px calc(4px + env(safe-area-inset-bottom, 0px));
  }
  .tabs button { flex: 1 1 0; flex-direction: column; justify-content: center; gap: 4px; min-height: 52px; padding: 6px 2px; font-size: 12px; }
  .tabs svg { width: 22px; height: 22px; }
  .player { bottom: calc(var(--tabbar-h) + 8px + env(safe-area-inset-bottom, 0px)); border-radius: 16px; }
  .player button { font-size: 14px; padding: 10px 4px; }
  .toast { bottom: calc(var(--tabbar-h) + var(--player-h) + 20px + env(safe-area-inset-bottom, 0px)); }
  .wrap { padding: 12px 12px calc(var(--tabbar-h) + var(--player-h) + 36px + env(safe-area-inset-bottom, 0px)); }
  .view { gap: 12px; }
  .panel { padding: 14px; gap: 12px; }
  button.rec.big { justify-self: stretch; min-width: 0; }
  .or-row > * { flex: 1 1 140px; justify-content: center; }
  .fact .v { font-size: 17px; }
  .journey .presets { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; margin-inline: -14px; padding-inline: 14px; scrollbar-width: none; }
  .journey .presets button { flex: none; }
  /* The note buttons only appear (docked at the bottom) once a note is selected. */
  .tools:not(.docked) .tool-group { display: none; }
  .tools:not(.docked) .ed-name { font: 400 14px/1.3 var(--font-body); color: var(--ink-soft); }
  .editor-bar { flex-wrap: nowrap; }
  .editor-acts .tool { padding: 7px 9px; }
  /* Editing a note: the docked toolbar takes the bottom of the screen. */
  body.has-dock .tabs, body.has-dock .player { display: none; }
}

.panel { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: 18px; display: grid; gap: 14px; min-width: 0; }
.panel h2 { font: 650 18px/1.2 var(--font-display); margin: 0; letter-spacing: -0.01em; }
.panel-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.label { font: 600 11px/1 var(--font-body); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); }
.hint { color: var(--ink-soft); font-size: 14px; margin: 0; }

/* ---- Metronome ---- */
.metro { gap: 12px; }
.metro-head { display: flex; align-items: center; gap: 8px 12px; flex-wrap: wrap; }
.metro-head h2 { margin-right: auto; }
.metro-sum { min-height: 44px; font: 700 16px/1 var(--font-display); font-variant-numeric: tabular-nums; }
.metro-sum .chev { width: 8px; height: 8px; border: solid var(--ink-soft); border-width: 0 2px 2px 0; transform: rotate(45deg) translateY(-2px); transition: transform .15s; }
.metro-sum[aria-expanded="true"] .chev { transform: rotate(-135deg) translate(-2px, 0); }
.metro-pulse { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.metro-go { min-height: 44px; min-width: 88px; justify-content: center; }
.metro.running .metro-go { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.beat-dots { display: flex; align-items: center; gap: 10px; min-height: 26px; }
.beat-dots .dot { width: 24px; height: 24px; border-radius: 50%; background: var(--rule); flex: none; }
.beat-dots .dot.first { box-shadow: inset 0 0 0 3px var(--accent); background: transparent; }
.beat-dots .dot.group { margin-left: 12px; }
.beat-dots .dot.on { background: var(--ink); }
.beat-dots .dot.first.on { background: var(--accent); }
.metro-body { display: grid; gap: 14px; }
.metro-body[hidden] { display: none; }
.bpm-row { display: flex; align-items: center; justify-content: center; gap: 18px; }
.bpm { display: grid; justify-items: center; gap: 2px; min-width: 4.2ch; }
.bpm output { font: 700 72px/0.95 var(--font-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.step { width: 56px; height: 56px; justify-content: center; padding: 0; font-size: 28px; border-radius: 50%; touch-action: manipulation; -webkit-user-select: none; user-select: none; }
#bpm-slider { width: 100%; height: 44px; margin: 0; accent-color: var(--accent); }
.metro-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.tap { min-height: 44px; min-width: 148px; justify-content: center; touch-action: manipulation; -webkit-user-select: none; user-select: none; font-variant-numeric: tabular-nums; }
.tap:active { background: var(--accent-wash); border-color: var(--accent); }
.seg.big button { min-height: 44px; min-width: 56px; justify-content: center; font: 700 16px/1 var(--font-display); }
.toggle { min-height: 44px; }
.toggle::before { content: ""; width: 12px; height: 12px; border-radius: 50%; border: 2px solid currentColor; flex: none; }
.toggle[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-wash); }
.toggle[aria-pressed="true"]::before { background: var(--accent); border-color: var(--accent); }
@media (max-width: 720px) {
  .bpm output { font-size: 84px; }
  .metro-row { flex-wrap: nowrap; gap: 8px; }
  .metro-row .tap { flex: 1 1 0; min-width: 0; padding: 11px 8px; }
  .seg.big button { min-width: 46px; padding: 8px 10px; }
  .metro-row .toggle { flex: 1 1 0; min-width: 0; justify-content: center; padding: 11px 8px; font-size: 14px; }
}

/* Floating pill while the metronome runs and its card is off screen. */
.metro-mini {
  position: fixed; top: calc(var(--appbar-h) + 8px + env(safe-area-inset-top, 0px)); left: 50%; transform: translateX(-50%); z-index: 25;
  display: flex; align-items: center; gap: 12px; padding: 6px 6px 6px 8px;
  background: var(--sheet); border: 1px solid var(--rule); border-radius: 999px; box-shadow: 0 6px 20px rgb(0 0 0 / .14);
}
.metro-mini[hidden] { display: none; }
.metro-mini .beat-dots { gap: 7px; min-height: 0; }
.metro-mini .beat-dots .dot { width: 16px; height: 16px; }
.metro-mini .beat-dots .dot.group { margin-left: 6px; }
.metro-mini-bpm { border: 0; background: transparent; padding: 8px 6px; min-height: 40px; font: 400 13px/1 var(--font-body); color: var(--ink-soft); }
.metro-mini-bpm b { font: 700 18px/1 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; }
.metro-mini-stop { min-height: 40px; padding: 8px 14px; }

/* ---- Live tuner ---- */
.tuner { display: grid; grid-template-columns: minmax(150px, 220px) 1fr; gap: 18px; align-items: center; }
@media (max-width: 620px) { .tuner { grid-template-columns: 1fr; } }
.live-note { display: grid; justify-items: center; gap: 4px; padding: 10px 0; }
.live-note .name { font: 700 76px/0.95 var(--font-display); letter-spacing: -0.03em; color: var(--ink); font-variant-numeric: tabular-nums; }
.live-note .name sub { font-size: 0.38em; color: var(--ink-soft); vertical-align: baseline; margin-left: 2px; }
.live-note.idle .name { color: var(--rule); }
.live-note .hz { font: 13px/1 var(--font-mono); color: var(--ink-soft); }
.live-chords { font: 600 14px/1.2 var(--font-body); color: var(--warm); min-height: 1.2em; text-align: center; }
.live-note.idle .live-chords { opacity: 0.45; }

.meter { position: relative; height: 34px; margin-top: 6px; width: 100%; max-width: 220px; }
.meter .scale { position: absolute; inset: 14px 0 auto; height: 2px; background: var(--rule); }
.meter .tick { position: absolute; top: 8px; width: 1px; height: 14px; background: var(--ink-soft); opacity: .5; }
.meter .tick.zero { background: var(--good); opacity: 1; width: 2px; height: 18px; top: 6px; }
.meter .needle { position: absolute; top: 4px; width: 4px; height: 22px; margin-left: -2px; border-radius: 2px; background: var(--warm); transition: left .08s linear; }
.meter .needle.in-tune { background: var(--good); }
.meter .cents { position: absolute; left: 0; right: 0; bottom: -4px; text-align: center; font: 12px/1 var(--font-mono); color: var(--ink-soft); }

.input-meter { display: flex; align-items: center; gap: 8px; width: 100%; max-width: 220px; margin-top: 10px; }
.input-meter .bar { flex: 1; height: 6px; border-radius: 3px; background: var(--rule); overflow: hidden; }
.input-meter .bar div { height: 100%; width: 0; background: var(--good); transition: width .06s linear; }

.trace-box { position: relative; min-width: 0; }
canvas.trace { width: 100%; height: 190px; display: block; border-radius: 8px; background: var(--paper); border: 1px solid var(--rule); }

button, .btn, select {
  font: 600 15px/1 var(--font-body);
  border-radius: 999px; border: 1px solid var(--rule); background: var(--sheet); color: var(--ink);
  padding: 11px 16px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px;
}
select { padding-right: 12px; }
button:hover, .btn:hover, select:hover { border-color: var(--ink-soft); }
button:focus-visible, .btn:focus-within, select:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
button:disabled { opacity: .45; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.rec .dot { width: 10px; height: 10px; border-radius: 50%; background: currentColor; }
button.rec.on { background: var(--rec); border-color: var(--rec); color: #fff; }
button.rec.on .dot { border-radius: 2px; animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.btn input[type=file] { position: absolute; width: 1px; height: 1px; opacity: 0; }
.btn { position: relative; }
.status { font-size: 14px; color: var(--ink-soft); min-height: 1.4em; margin: 0; }
.status.warn { color: var(--warm); }

/* ---- Summary chips ---- */
.facts { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.fact { display: grid; gap: 4px; }
.fact .v { font: 700 20px/1.1 var(--font-display); }
.fact .v small { font: 400 13px var(--font-body); color: var(--ink-soft); margin-left: 6px; }

/* ---- Piano-roll editor ---- */
.editor { display: grid; gap: 8px; min-width: 0; }
.editor-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.editor-acts { display: flex; align-items: center; gap: 8px; }
.editor-acts .tool { min-height: 40px; }
.editor-acts .tool[hidden] { display: none; }
.zoom { display: inline-flex; align-items: center; gap: 6px; }
.zoom .tool { width: 36px; justify-content: center; padding: 6px 0; font-size: 17px; }
.tools { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.ed-head { display: flex; align-items: center; gap: 10px; }
.ed-name { font: 700 15px/1.2 var(--font-display); min-width: 7.5em; }
.ed-name small { font: 400 12px var(--font-mono); color: var(--ink-soft); margin-left: 4px; }
.ed-done { display: none; }
.tool-group { display: flex; flex-wrap: wrap; gap: 6px; }
.tool { padding: 7px 11px; font-size: 13px; border-radius: 7px; justify-content: center; }

/* On phones, the toolbar docks to the bottom of the screen while a note is selected. */
.tools.docked {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  background: var(--sheet); border-top: 1px solid var(--rule);
  box-shadow: 0 -8px 24px rgb(0 0 0 / .12);
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
  display: grid; gap: 8px;
}
.tools.docked .ed-head { justify-content: space-between; }
.tools.docked .ed-done { display: inline-flex; }
.tools.docked .tool-group { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.tools.docked .ed-pitch { grid-template-columns: 1fr 2fr 2fr 1fr; }
.tools.docked .ed-last { grid-template-columns: repeat(2, 1fr); }
.tools.docked .tool { min-height: 44px; font-size: 14px; padding: 8px 4px; }
.tools.docked .tool.big { font-size: 16px; font-weight: 700; }
body.has-dock { padding-bottom: 230px; }
.roll { border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; background: var(--paper); }
/* One scroller for both axes; the note names stick to the left edge. */
.roll-scroll { max-height: min(340px, 60vh); overflow: auto; overscroll-behavior: contain; outline: none; -webkit-user-select: none; user-select: none; }
.roll-inner { display: flex; width: max-content; }
.roll-labels { flex: none; position: sticky; left: 0; z-index: 1; background: var(--paper); border-right: 1px solid var(--rule); }
.roll-labels svg, .roll-grid svg { display: block; }
.roll-scroll:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }
.roll .note { cursor: grab; touch-action: none; }
.edit-count { color: var(--warm); font-weight: 700; margin-left: 4px; }

/* ---- Test mode ---- */
.test-kit { display: grid; gap: 10px; padding: 12px; border: 1px dashed var(--accent); border-radius: 8px; background: var(--accent-wash); }
.test-kit[hidden] { display: none; }
.test-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.test-head .label { color: var(--accent); }
.test-row { display: flex; flex-wrap: wrap; gap: 8px; }
.test-row input {
  flex: 1 1 200px; min-width: 0; min-height: 44px; padding: 10px 14px;
  font: 16px/1.2 var(--font-body); /* 16px stops iOS zooming in on focus */
  color: var(--ink); background: var(--sheet); border: 1px solid var(--rule); border-radius: 999px;
}
.test-row input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.test-row button { min-height: 44px; }
#test-why:empty { display: none; }

/* ---- Note blocks ---- */
.blocks { display: flex; flex-wrap: wrap; gap: 26px 6px; padding-top: 22px; }
.block {
  position: relative; min-width: 62px; height: 84px; border-radius: 8px; border: 1px solid var(--rule);
  background: var(--paper); display: grid; align-content: center; justify-items: center; gap: 4px; padding: 6px 4px;
  cursor: pointer; transition: transform .1s, background .1s;
}
.block .n { font: 700 20px/1 var(--font-display); }
.block .n sub { font-size: 11px; color: var(--ink-soft); vertical-align: baseline; }
.block .f { font: 11px/1.25 var(--font-mono); color: var(--ink-soft); white-space: nowrap; text-align: center; }
.block .val { position: absolute; bottom: 3px; left: 6px; font: 15px/1 var(--font-music); color: var(--ink-soft); }
.block.active .val { color: var(--accent-ink); }
.block .chord { position: absolute; top: -21px; left: 0; font: 700 13px/1 var(--font-display); color: var(--warm); white-space: nowrap; }
.block.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); transform: translateY(-3px); }
.block.active .f, .block.active .n sub { color: var(--accent-ink); }
.block.sel { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.block .off { position: absolute; bottom: 3px; right: 5px; font: 10px/1 var(--font-mono); color: var(--warm); }
.block.guess { border-style: dashed; }
.block .guess-mark { position: absolute; top: 3px; right: 5px; font: 700 13px/1 var(--font-body); color: var(--warm); }
.block.active .guess-mark { color: var(--accent-ink); }
.guess-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 10px 12px; border: 1px dashed var(--warm); border-radius: 8px; background: var(--warm-wash); }
.guess-bar[hidden] { display: none; }
.guess-bar p { margin: 0; flex: 1 1 260px; font-size: 14px; }
.guess-bar .small { display: block; color: var(--ink-soft); font-size: 12px; margin-top: 2px; }
.block.active .off { color: var(--accent-ink); }

/* ---- Segmented control ---- */
.seg { display: inline-flex; border: 1px solid var(--rule); border-radius: 999px; padding: 3px; gap: 2px; background: var(--paper); }
.seg button { border: 0; padding: 8px 14px; background: transparent; font-size: 14px; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }
svg text { font-family: var(--font-body); }
.fretboard, .piano, .staff { display: block; }

/* ---- Moods ---- */
.moods { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(250px, 280px); align-items: start; gap: 10px; padding-bottom: 6px; scroll-snap-type: x proximity; }
.mood { scroll-snap-align: start; }
.mood { border: 1px solid var(--rule); border-radius: 10px; background: var(--paper); padding: 12px; display: grid; gap: 8px; align-content: start; }
.mood.on { border-color: var(--warm); box-shadow: inset 0 0 0 1px var(--warm); background: var(--warm-wash); }
.mood h3 { margin: 0; font: 700 17px/1.2 var(--font-display); }
.mood h3 small { display: block; font: 400 12px/1.3 var(--font-body); color: var(--ink-soft); margin-top: 2px; }
.mood p { margin: 0; font-size: 14px; color: var(--ink-soft); }
.mood .prog { display: flex; flex-wrap: wrap; gap: 4px; }
.mood .pc { display: grid; gap: 1px; padding: 4px 7px; border: 1px solid var(--rule); border-radius: 6px; background: var(--sheet); min-width: 38px; }
.mood .pc b { font: 700 14px/1.1 var(--font-display); color: var(--warm); }
.mood .pc i { font: normal 11px/1.1 var(--font-mono); color: var(--ink-soft); }
.mood .pc.borrowed { border-style: dashed; border-color: var(--warm); }
.mood .more { align-self: center; font-size: 13px; color: var(--ink-soft); }
.mood .row { display: flex; gap: 6px; }
.mood .row button { flex: 1 1 auto; justify-content: center; white-space: nowrap; }
.mood .row button { min-height: 44px; padding: 8px 10px; font-size: 13px; }
.mood .ver { font: 11px var(--font-mono); color: var(--ink-soft); }
.home-pick { display: inline-flex; align-items: center; gap: 8px; }
.home-pick select { min-height: 44px; }

/* ---- Mood strip (one part per chord slot) ---- */
.journey { display: grid; gap: 8px; min-width: 0; }
.journey[hidden] { display: none; }
.journey-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.journey-head .tool { min-height: 44px; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; }
.presets button { min-height: 44px; padding: 8px 12px; font-size: 13px; border-radius: 999px; }
.presets button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.strip { display: flex; gap: 3px; width: max-content; padding-bottom: 4px; }
.part {
  min-width: 56px; min-height: 52px; padding: 6px 8px; border: 1px solid var(--rule); border-radius: 8px;
  display: grid; align-content: center; gap: 2px; text-align: left; cursor: pointer;
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; touch-action: pan-x;
}
.part b { font: 700 13px/1.1 var(--font-display); color: var(--ink); white-space: nowrap; }
.part span { font: 11px/1.1 var(--font-mono); color: var(--ink-soft); white-space: nowrap; }
.part.sel { border-color: var(--accent); box-shadow: inset 0 0 0 2px var(--accent); }
.part[data-mood="bright"] { background: var(--m-bright); } .part[data-mood="bittersweet"] { background: var(--m-bittersweet); }
.part[data-mood="dark"] { background: var(--m-dark); } .part[data-mood="hopeful"] { background: var(--m-hopeful); }
.part[data-mood="bluesy"] { background: var(--m-bluesy); } .part[data-mood="dreamy"] { background: var(--m-dreamy); }
.part[data-mood="epic"] { background: var(--m-epic); } .part[data-mood="jazzy"] { background: var(--m-jazzy); }
.part[data-mood="floating"] { background: var(--m-floating); }
.strip-pick { display: grid; gap: 6px; padding: 10px 12px; border: 1px solid var(--accent); border-radius: 8px; background: var(--accent-wash); }
.strip-pick[hidden] { display: none; }
.strip-pick p { margin: 0; font-size: 14px; }
.strip-pick .opts { display: flex; flex-wrap: wrap; gap: 6px; }
.strip-pick .opts button { min-height: 44px; padding: 8px 12px; font-size: 13px; }
.strip-pick .opts button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---- Chords ---- */
.chords { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border-radius: 8px; border: 1px solid var(--rule); background: var(--paper); padding: 8px 12px; display: grid; gap: 2px; cursor: pointer; text-align: left; }
.chip b { font: 700 18px/1 var(--font-display); color: var(--warm); }
.chip span { font: 12px/1 var(--font-mono); color: var(--ink-soft); }
.chip.borrowed { border-style: dashed; border-color: var(--warm); }
.why { margin: 0; font-size: 14px; min-height: 1.4em; color: var(--ink-soft); }
.chip.active { background: var(--warm-wash); border-color: var(--warm); }

.empty { color: var(--ink-soft); font-size: 15px; padding: 18px; border: 1px dashed var(--rule); border-radius: 8px; text-align: center; }


@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}