/* ============================================================
   keyboard.css — the MIDI keyboard app (the index.html shell:
   solo / broadcast / spectator / playback / chord trainer).
   Loaded AFTER style.css, on keyboard pages only. Everything here
   assumes the full-viewport, non-scrolling stage.
   ============================================================ */

:root { --piano-scale: 1; }

/* instrument theming ([data-instrument] → --glow) lives in style.css so the
   studio inherits it too; the .toggle/.device/.enable-sound chrome does as well. */

html, body { height: 100%; }
body { overflow: hidden; }
/* overscroll-behavior:none stops a horizontal trackpad/two-finger swipe from
   triggering browser back/forward — but ONLY on /roll, where that gesture scrolls
   the piano roll. Every other keyboard mode (solo/broadcast/spectator/playback/
   chords) keeps native swipe-to-navigate. Scoped to the [data-mode] attribute
   net.js stamps on both <html> and <body> (the root must carry it so the
   viewport's overscroll is affected, not just the body box). */
html[data-mode="roll"], body[data-mode="roll"] { overscroll-behavior: none; }

/* ambient hall glow behind the keyboard, tinted by instrument */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(62% 52% at 50% 60%, color-mix(in srgb, var(--glow) 16%, transparent), transparent 72%),
    radial-gradient(120% 90% at 50% 120%, #000 30%, transparent 70%);
  transition: background .7s ease;
}

#trailCanvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* chord-trainer upcoming/saved-chord stack — its own layer, behind the piano
   like #trailCanvas so bars emerge from behind the felt */
#chordCanvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* ---------- stage / keyboard placement ---------- */
.stage {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.piano {
  /* Centred via translate, not flex/grid: the keyboard's intrinsic width
     (~1196px) is wider than small viewports, and a grid/flex track can't shrink
     below that, which pushed the piano off the right edge. Anchoring the box
     centre to the viewport centre keeps it centred at any size; the scale
     transform shrinks it to fit and overflow is clipped by body{overflow:hidden}. */
  position: absolute;
  left: 50%;
  top: 50%;
  padding: 0 12px 14px;
  border-radius: 12px 12px 14px 14px;
  background: linear-gradient(#20202b 0%, #14141d 38%, #0a0a11 100%);
  box-shadow:
    0 1px 0 rgba(255,255,255,.05) inset,
    0 28px 55px -18px rgba(0,0,0,.9),
    0 60px 120px -40px color-mix(in srgb, var(--glow) 30%, transparent);
  transform: translate(-50%, -50%) scale(var(--piano-scale));
  transform-origin: center center;
  transition: box-shadow .7s ease;
}

/* fallboard + red felt strip the black keys root into */
.piano-felt {
  height: 16px;
  margin: 0 -12px 0;
  border-radius: 12px 12px 0 0;
  background:
    linear-gradient(#2a2a37, #181821) padding-box,
    linear-gradient(#000, #000) border-box;
  box-shadow:
    inset 0 -3px 5px rgba(0,0,0,.6),
    inset 0 4px 0 color-mix(in srgb, var(--glow) 55%, #7a1226);
}

.keyboard {
  position: relative;
  height: 196px;
  margin: 0 auto;
  user-select: none;
}

/* ---------- keys ---------- */
.key {
  position: absolute;
  top: 0;
  box-sizing: border-box;
  --vel: 1; /* 0..1 strike intensity — set per note for piano, stays 1 for organ */
  transition: filter 70ms ease-out, box-shadow 120ms ease-out, transform 60ms ease-out;
}

.key.white {
  height: 196px;
  z-index: 1;
  border-radius: 0 0 5px 5px;
  background: linear-gradient(to bottom, #fffefa 0%, #f4efe0 72%, #e3dcc6 100%);
  box-shadow:
    inset -1.5px 0 1px rgba(60,50,30,.28),
    inset 1px 0 0 rgba(255,255,255,.7),
    inset 0 -7px 8px -6px rgba(80,65,40,.5);
}

.key.black {
  height: 122px;
  z-index: 2;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(to bottom, #34343f 0%, #1a1a22 52%, #08080c 100%);
  box-shadow:
    0 5px 6px -1px rgba(0,0,0,.7),
    inset 0 -4px 5px -2px rgba(255,255,255,.10),
    inset 0 2px 1px rgba(255,255,255,.18);
}

/* glow intensity scales with --vel: a soft strike tints faintly, a hard one blazes */
.key.is-active.white {
  background: linear-gradient(to bottom,
    color-mix(in srgb, var(--glow-2) calc(28% + var(--vel) * 42%), #fffefa) 0%,
    color-mix(in srgb, var(--glow)   calc(23% + var(--vel) * 42%), #f4efe0) 100%);
  box-shadow:
    0 0 calc(6px + var(--vel) * 16px) -2px color-mix(in srgb, var(--glow) calc(40% + var(--vel) * 55%), transparent),
    inset 0 0 calc(5px + var(--vel) * 9px) color-mix(in srgb, var(--glow-2) calc(28% + var(--vel) * 52%), transparent);
  transform: translateY(1.5px);
}

.key.is-active.black {
  background: linear-gradient(to bottom,
    color-mix(in srgb, var(--glow-2) calc(22% + var(--vel) * 33%), #2a2a33) 0%,
    color-mix(in srgb, var(--glow)   calc(28% + var(--vel) * 42%), #111) 100%);
  box-shadow:
    0 0 calc(6px + var(--vel) * 14px) -1px color-mix(in srgb, var(--glow) calc(45% + var(--vel) * 50%), transparent),
    inset 0 0 calc(5px + var(--vel) * 7px) color-mix(in srgb, var(--glow-2) calc(25% + var(--vel) * 35%), transparent);
  transform: translateY(1.5px);
}

/* chord-trainer learner key states (painted by chords.js; main.js is-active is off):
   ct-member = a note in the current chord, shown solid in the instrument colour;
   ct-correct = a chord note you're pressing (green); ct-wrong = a pressed note that
   isn't in the chord (red). */
.key.ct-member.white {
  background: linear-gradient(to bottom,
    color-mix(in srgb, var(--glow-2) 60%, #fffefa) 0%,
    color-mix(in srgb, var(--glow) 58%, #f4efe0) 100%);
  box-shadow: 0 0 16px -2px color-mix(in srgb, var(--glow) 80%, transparent),
    inset 0 0 12px color-mix(in srgb, var(--glow-2) 65%, transparent);
}
.key.ct-member.black {
  background: linear-gradient(to bottom,
    color-mix(in srgb, var(--glow-2) 42%, #2a2a33) 0%,
    color-mix(in srgb, var(--glow) 55%, #111) 100%);
  box-shadow: 0 0 14px -1px color-mix(in srgb, var(--glow) 80%, transparent),
    inset 0 0 10px color-mix(in srgb, var(--glow-2) 45%, transparent);
}
.key.ct-correct.white {
  background: linear-gradient(to bottom, #d8ffdb 0%, #57cf69 100%);
  box-shadow: 0 0 18px -2px rgba(70,220,110,.85), inset 0 0 12px rgba(150,255,170,.7);
}
.key.ct-correct.black {
  background: linear-gradient(to bottom, #2f7a3a 0%, #4ccf66 100%);
  box-shadow: 0 0 16px -1px rgba(70,220,110,.85), inset 0 0 10px rgba(150,255,170,.5);
}
.key.ct-wrong.white {
  background: linear-gradient(to bottom, #ffd9dd 0%, #e0566b 100%);
  box-shadow: 0 0 18px -2px rgba(224,86,107,.85), inset 0 0 12px rgba(255,150,165,.65);
}
.key.ct-wrong.black {
  background: linear-gradient(to bottom, #7a2330 0%, #d0566a 100%);
  box-shadow: 0 0 16px -1px rgba(224,86,107,.85), inset 0 0 10px rgba(255,150,165,.5);
}

/* ---------- wordmark hud placement + readout (top-left) ---------- */
.hud-left {
  position: fixed;
  top: 24px;
  left: 30px;
  z-index: 5;
}

.readout {
  margin: 6px 0 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: lowercase;
  color: var(--dim);
  max-width: 42ch;
}

/* ---------- sustain (just above the keyboard, right side, fades on/off) ---------- */
.sustain {
  position: absolute;
  right: 8px;
  bottom: 100%;
  margin-bottom: 12px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 11px;
  opacity: .16;
  filter: saturate(.35) brightness(.8);
  transition: opacity .55s ease, filter .55s ease;
}
.sustain.is-active {
  opacity: 1;
  filter: none;
}

.sustain-label {
  font-size: 11px;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--glow-2);
}

.sustain-glyph {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--glow);
  background: radial-gradient(circle at 50% 38%, transparent, transparent);
  box-shadow: 0 0 0 0 transparent;
  transition: box-shadow .55s ease, background .55s ease;
}
.sustain.is-active .sustain-glyph {
  background: radial-gradient(circle at 50% 38%, var(--glow-2), transparent 68%);
  box-shadow: 0 0 26px -2px var(--glow), inset 0 0 13px color-mix(in srgb, var(--glow-2) 70%, transparent);
}

/* ---------- controls (instrument toggle + device) ---------- */
.controls {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 5;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 14px;
}

/* .toggle / .toggle-btn / .device and the .enable-sound autoplay gate are shared
   chrome — defined in style.css. Keyboard-specific extensions (e.g. the
   .settings-toggle / .chord-demo-seg segment tweaks) stay below. */

@media (max-width: 560px) {
  .sustain-label { display: none; }
  .controls { flex-direction: column; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .piano, body::after, .sustain, .sustain-glyph, .key, .toggle-btn { transition: none; }
}

/* ---------- broadcast / spectator UI ---------- */
.net-badge {
  position: fixed;
  top: 68px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--glow-2);
}
.net-badge:empty { display: none; }

.net-share-row {
  position: fixed;
  top: 92px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 8px;
}
.net-share {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--glow) 50%, transparent);
  padding-bottom: 2px;
}
.net-share:empty { display: none; }
.net-share:hover { color: var(--glow-2); }
.net-share-copy {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; padding: 0;
  color: var(--text); background: transparent; border: 0; border-radius: 6px;
  cursor: pointer;
  transition: color .15s ease, background .15s ease;
}
.net-share-copy svg { width: 15px; height: 15px; display: block; }
.net-share-copy:hover { color: var(--glow-2); background: rgba(255,255,255,.08); }

.net-peers {
  position: fixed;
  top: 30px;
  right: 68px;
  z-index: 6;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--dim);
  display: none;
}
body[data-net-peers="on"] .net-peers { display: block; }

.net-overlay {
  position: fixed;
  inset: 0;
  z-index: 15;
  display: none;
  place-items: center;
  text-align: center;
  padding: 24px;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--text);
  background: color-mix(in srgb, var(--ink) 78%, transparent);
  backdrop-filter: blur(6px);
}
.net-overlay.is-visible { display: grid; }
.net-overlay__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.net-overlay__msg { display: block; }
.net-overlay__home {
  display: inline-block;
  color: var(--glow-2);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--glow-2) 45%, transparent);
  padding-bottom: 1px;
  letter-spacing: .06em;
}
.net-overlay__home:hover { color: var(--text); border-bottom-color: var(--text); }
.net-overlay__home:focus-visible { outline: 2px solid var(--glow-2); outline-offset: 3px; }

/* ---------- broadcast room-name input ---------- */
.room-name {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  width: min(260px, 70vw);
  text-align: center;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text);
  background: rgba(255,255,255,.04);
  border: 1px solid color-mix(in srgb, var(--glow) 35%, transparent);
  border-radius: 999px;
  padding: 7px 14px;
}
.room-name::placeholder { color: var(--dim); }
.room-name:focus-visible { outline: 2px solid var(--glow-2); outline-offset: 2px; }
.room-name[hidden] { display: none; }

/* ---------- settings: gear + dropdown ---------- */
.settings-gear {
  position: fixed;
  top: 26px;
  right: 28px;
  z-index: 7;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
  color: var(--dim);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 999px;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}
.settings-gear:hover { color: var(--text); transform: rotate(30deg); }
.settings-gear:focus-visible { outline: 2px solid var(--glow-2); outline-offset: 2px; }
.settings-gear[hidden] { display: none; }

.settings-menu {
  position: fixed;
  top: 64px;
  right: 28px;
  z-index: 7;
  min-width: 220px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--ink-2) 92%, transparent);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px -20px #000;
}
.settings-menu[hidden] { display: none; }

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 6px 0;
}
.settings-row[hidden] { display: none; }
.settings-label {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text);
}
/* the duration pills are compact and fill the row */
.settings-toggle { width: 100%; }
.settings-toggle .toggle-btn { flex: 1; padding: 6px 0; letter-spacing: .12em; }

/* on/off switch */
.switch { position: relative; display: inline-block; width: 42px; height: 22px; flex: none; }
.switch input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.switch-track {
  position: absolute; inset: 0; border-radius: 999px;
  background: rgba(255,255,255,.14); transition: background .2s ease;
}
.switch-track::before {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #cfcfd6; transition: transform .2s ease, background .2s ease;
}
.switch input:checked + .switch-track { background: color-mix(in srgb, var(--glow) 70%, transparent); }
.switch input:checked + .switch-track::before { transform: translateX(20px); background: var(--glow-2); }

/* the record pedal's binding row — a sub-row under its toggle, so "off with the binding
   remembered" reads as distinct from "unbound" */
.settings-row--sub { padding-top: 0; }
.settings-link {
  font: inherit; font-size: 12px; text-align: left; color: var(--dim);
  background: transparent; border: none; padding: 0; cursor: pointer;
}
.settings-link:hover { color: var(--text); }
.settings-link:focus-visible { outline: 2px solid var(--glow-2); outline-offset: 2px; }

/* custom tape-delay seconds input */
.settings-custom { display: flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: .1em; color: var(--dim); }
#tapeCustom {
  width: 56px;
  padding: 5px 8px;
  font: inherit;
  font-size: 13px;
  text-align: center;
  color: var(--text);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
}
#tapeCustom:focus-visible { outline: 2px solid var(--glow-2); outline-offset: 1px; }

/* ---------- recording widget (broadcast only) ---------- */
.recorder-stack {
  position: fixed;
  right: 28px;
  bottom: 24px;
  z-index: 8;
  display: flex;
  flex-direction: column; /* DOM order = top→bottom: kept cards above, active card (appended last) at the bottom; stack grows upward. Saved recordings also live in the right-hand drawer */
  gap: 10px;
  align-items: flex-end;
}
.recorder-stack[hidden] { display: none; }

.rec-card {
  min-width: 132px;
  max-width: 300px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--ink-2) 92%, transparent);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px -20px #000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
/* kept card carries the playback link + Copy on one row — size to fit it */
.rec-card--kept {
  width: fit-content;
  max-width: min(440px, 90vw);
}

.rec-row { display: flex; align-items: center; gap: 10px; justify-content: space-between; }

.rec-btn {
  font: inherit;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  padding: 7px 12px;
  cursor: pointer;
  flex-shrink: 0; /* keep buttons their size when sharing a row with the link */
  transition: background .15s ease, border-color .15s ease, opacity .15s ease;
}
.rec-btn:hover { background: rgba(255,255,255,.12); }
.rec-btn--icon { display: inline-flex; align-items: center; justify-content: center; padding: 7px; }
.rec-btn--icon svg { width: 16px; height: 16px; display: block; }
.rec-btn:disabled { opacity: .4; cursor: default; }
.rec-btn--primary { border-color: color-mix(in srgb, var(--glow) 60%, transparent); color: var(--glow-2); }
.rec-btn--danger { border-color: color-mix(in srgb, #e0566b 60%, transparent); color: #e0566b; }
.rec-btn--danger:hover { background: color-mix(in srgb, #e0566b 16%, transparent); }
.rec-record::before { content: '\25CF'; color: #e0566b; margin-right: 8px; } /* ● */
.rec-card--recording .rec-clock-dot { color: #e0566b; animation: rec-pulse 1.1s ease-in-out infinite; }

.rec-title { font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--dim); }
.rec-close {
  font: inherit; font-size: 16px; line-height: 1;
  color: var(--dim); background: transparent; border: 0; cursor: pointer; padding: 2px 4px;
}
.rec-close:hover { color: var(--text); }

.rec-clock { font-size: 14px; letter-spacing: .08em; color: var(--text); }
.rec-clock-dot { margin-right: 8px; }
.rec-hint { font-size: 11px; letter-spacing: .1em; color: var(--dim); }
.rec-error { font-size: 11px; letter-spacing: .06em; color: #e0566b; }

.rec-name {
  flex: 1 1 auto; /* shares its row with the delete button now */
  min-width: 0;   /* allow shrinking below intrinsic width so the button fits */
  font: inherit;
  font-size: 13px;
  color: var(--text);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  padding: 6px 9px;
}
.rec-link {
  flex: 1; /* grow to fill the row; copy button sits to its right */
  min-width: 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--glow-2);
  white-space: nowrap; /* keep link on one line — card widens to fit (see .rec-card--kept) */
  border-bottom: 1px solid color-mix(in srgb, var(--glow-2) 45%, transparent);
  padding-bottom: 1px;
}
.rec-link:hover { color: var(--glow); }

/* simplified playback transport at the bottom of a kept recording card */
.rec-pb-row { align-items: center; gap: 8px; }
.rec-pb-seek { flex: 1 1 auto; min-width: 0; accent-color: var(--glow); }
/* glyph (non-SVG) transport buttons: pinned to the same 32×32 box as the icon
   buttons (16px svg + 7px padding + 1px border each side), symbol centered */
.rec-pb-play, .rec-pb-loop {
  flex: 0 0 auto;
  width: 32px; height: 32px;
  padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  line-height: 1;
  letter-spacing: 0; /* a single glyph + .rec-btn's tracking would shift it right */
}
.rec-pb-play { font-size: 14px; }
.rec-pb-loop { font-size: 22px; }
.rec-pb-loop.is-active {
  background: color-mix(in srgb, var(--glow) 22%, transparent);
  border-color: color-mix(in srgb, var(--glow) 60%, transparent);
  color: var(--glow-2);
}
.rec-pb-loop.is-active:hover { background: color-mix(in srgb, var(--glow) 30%, transparent); }
.rec-pb-time { flex: 0 0 auto; font-variant-numeric: tabular-nums; opacity: 0.8; font-size: 0.85em; }

/* ---------- saved-recordings drawer ---------- */
:root { --drawer-w: min(360px, 80vw); }
.rec-drawer {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none; /* only the panel takes pointer events; the rest of the page stays live */
}
.rec-drawer-panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: var(--drawer-w); /* fixed so the page-displacement shift below stays in sync */
  display: flex;
  pointer-events: auto;
  flex-direction: column;
  background: color-mix(in srgb, var(--ink-2) 96%, transparent);
  border-left: 1px solid rgba(255,255,255,.1);
  box-shadow: -24px 0 60px -30px #000;
  backdrop-filter: blur(12px);
  transform: translateX(100%);
  transition: transform .28s cubic-bezier(.4,0,.2,1);
}
.rec-drawer.is-open .rec-drawer-panel { transform: translateX(0); }
.rec-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.rec-drawer-title { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--text); }
.rec-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.rec-drawer-empty { color: var(--dim); font-size: 13px; letter-spacing: .04em; }
/* relative-date group header between cards (Today / Yesterday / N days ago / …) */
.rec-drawer-section {
  color: var(--dim); font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase;
  margin-top: 6px;
}
.rec-drawer-section:first-child { margin-top: 0; }
.rec-drawer .rec-card--kept { width: auto; max-width: none; } /* fill the drawer width */

/* Open drawer displaces the whole page left instead of covering it: every
   page-level element shifts by half the drawer width so the app recentres into
   the space beside the drawer; the bottom-right recorder stack shifts the full
   width so its controls clear the panel entirely. Canvases are intentionally
   left untouched — the visualizer reads key geometry live each frame, so trails
   follow the shifted keyboard on their own. */
/* .settings-gear is omitted here on purpose: it already transitions transform
   (for its hover-rotate), and clobbering that would drop its colour fades. */
.stage, .recorder-stack, .net-peers, .settings-menu,
.net-badge, .net-share-row, .room-name, .controls {
  transition: transform .28s cubic-bezier(.4,0,.2,1);
}
/* Left-side chrome (logo, metronome, chat dock) stays put — the drawer opens on
   the right, so it never occludes them and shifting would only crowd the edge. */
body.drawer-open .stage { transform: translateX(calc(var(--drawer-w) / -2)); }
/* the top-right cluster shifts the FULL drawer width, not half: it sits right
   where the drawer opens, so a half-shift would leave it partly under the panel. */
body.drawer-open .net-peers,
body.drawer-open .settings-gear,
body.drawer-open .settings-menu { transform: translateX(calc(var(--drawer-w) * -1)); }
/* keep the gear's hover-rotate composed with the shift so it doesn't snap back */
body.drawer-open .settings-gear:hover { transform: translateX(calc(var(--drawer-w) * -1)) rotate(30deg); }
/* elements already centred with translateX(-50%) fold the shift into the calc */
body.drawer-open .net-badge,
body.drawer-open .net-share-row,
body.drawer-open .room-name,
body.drawer-open .controls { transform: translateX(calc(-50% - var(--drawer-w) / 2)); }
body.drawer-open .recorder-stack { transform: translateX(calc(var(--drawer-w) * -1)); }

@keyframes rec-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) {
  .rec-card--recording .rec-clock-dot { animation: none; }
  .rec-drawer-panel, .stage, .recorder-stack { transition: none; }
}

/* ---------- playback transport ---------- */
.transport {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 8;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  max-width: calc(100vw - 24px);
  padding: 10px 16px;
  background: color-mix(in srgb, var(--ink-2) 92%, transparent);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px -20px #000;
}
.transport[hidden] { display: none; }

.transport-controls { display: flex; align-items: center; gap: 8px; }
.transport-controls button {
  font: inherit;
  font-size: 16px;
  line-height: 1;
  color: var(--text);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.transport-controls button:hover { background: rgba(255,255,255,.12); }
#tpBack, #tpFwd { padding: 6px 9px; }
#tpPlay {
  padding: 6px 12px;
  min-width: 44px;
  color: var(--glow-2);
  border-color: color-mix(in srgb, var(--glow) 60%, transparent);
}

.transport-seek { width: 220px; max-width: 48vw; accent-color: var(--glow); cursor: pointer; }
.transport-time {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--dim);
  min-width: 86px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---------- chord trainer ---------- */
.chord-instruct {
  position: fixed; top: 100px; left: 50%; transform: translateX(-50%); z-index: 6;
  font-family: 'Cormorant', Georgia, serif; font-style: italic; font-size: 23px;
  color: #e7d9b4; text-shadow: 0 0 18px color-mix(in srgb, var(--glow) 45%, transparent);
  white-space: nowrap; pointer-events: none;
}
.chord-toolbar {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 8;
  display: flex; align-items: center; gap: 12px; padding: 11px 14px;
  background: color-mix(in srgb, var(--ink-2) 92%, transparent);
  border: 1px solid rgba(255,255,255,.1); border-radius: 14px;
  backdrop-filter: blur(10px); box-shadow: 0 18px 50px -20px #000;
  width: max-content;
}
.chord-divider { width: 1px; height: 26px; background: rgba(255,255,255,.12); }
.chord-btn {
  font: inherit; font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px; padding: 8px 13px; cursor: pointer;
  transition: background .15s ease, border-color .15s ease, opacity .15s ease;
}
.chord-btn:hover { background: rgba(255,255,255,.12); }
.chord-btn:disabled { opacity: .4; cursor: default; }
.chord-btn--accent { color: var(--glow-2); border-color: color-mix(in srgb, var(--glow) 55%, transparent); }
.chord-btn--primary { color: #0a0a0f; border: 0; background: linear-gradient(135deg, var(--glow-2), var(--glow)); box-shadow: 0 0 20px -4px var(--glow); }
.chord-name {
  font: inherit; font-size: 13px; color: var(--text); background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12); border-radius: 8px; padding: 8px 11px; width: 180px;
}
.chord-kept-stack {
  position: fixed; right: 28px; bottom: 24px; z-index: 8;
  display: flex; flex-direction: column; gap: 10px; align-items: flex-end;
}
.chord-kept {
  min-width: 236px; max-width: 300px; padding: 12px 14px;
  background: color-mix(in srgb, var(--ink-2) 92%, transparent);
  border: 1px solid rgba(255,255,255,.1); border-radius: 12px; backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px -20px #000; display: flex; flex-direction: column; gap: 10px;
}
.chord-kept-row { display: flex; gap: 10px; justify-content: space-between; }
.chord-kept-row .chord-btn { flex: 1; text-align: center; }
.chord-link {
  font-size: 12px; letter-spacing: .04em; color: var(--glow-2); word-break: break-all;
  border-bottom: 1px solid color-mix(in srgb, var(--glow-2) 45%, transparent); padding-bottom: 1px;
}
.chord-link:hover { color: var(--glow); }
/* builder: the sustain affordance label stays lit; only the glyph toggles with the pedal */
.sustain.chord-sustain { opacity: 1; filter: none; }
.chord-praise {
  position: fixed; top: 104px; left: 50%; transform: translateX(-50%); z-index: 6;
  font-family: 'Cormorant', Georgia, serif; font-style: italic; font-size: 40px; color: var(--glow-2);
  text-shadow: 0 0 26px color-mix(in srgb, var(--glow) 70%, transparent);
  opacity: 0; transition: opacity .25s ease; pointer-events: none;
}
.chord-praise.is-visible { opacity: 1; }
.chord-reminder {
  position: fixed; top: 160px; left: 50%; transform: translateX(-50%); z-index: 6;
  font-size: 12px; letter-spacing: .06em; color: #cdbf98;
  background: color-mix(in srgb, var(--ink-2) 80%, transparent);
  border: 1px solid color-mix(in srgb, var(--glow-2) 25%, transparent);
  padding: 6px 12px; border-radius: 18px; pointer-events: none;
}
.chord-reminder[hidden] { display: none; }
.chord-transport {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 8;
  display: flex; align-items: center; gap: 14px; padding: 10px 16px;
  background: color-mix(in srgb, var(--ink-2) 92%, transparent);
  border: 1px solid rgba(255,255,255,.1); border-radius: 14px;
  backdrop-filter: blur(10px); box-shadow: 0 18px 50px -20px #000;
}
.chord-transport-controls { display: flex; align-items: center; gap: 8px; }
.chord-tbtn {
  font: inherit; font-size: 16px; color: var(--text);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px; padding: 6px 10px; cursor: pointer;
}
.chord-tbtn:hover { background: rgba(255,255,255,.12); }
.chord-reps { display: flex; align-items: baseline; gap: 8px; padding-left: 14px; border-left: 1px solid rgba(255,255,255,.12); }
.chord-reps-n { font-size: 22px; color: var(--glow-2); font-variant-numeric: tabular-nums; }
.chord-reps-l { font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }
.chord-demo { position: fixed; right: 28px; bottom: 30px; z-index: 8; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.chord-demo-label { font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }
.chord-demo-seg .toggle-btn { padding: 6px 14px; }

/* ---- metronome (broadcaster only) ------------------------------------- */
/* bottom-left dock: metronome on top, chat at the corner. Pinned at the bottom
   so the column grows upward — opening chat pushes the metronome up. */
.dock-left {
  position: fixed;
  left: 28px;
  bottom: 24px;
  z-index: 8;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.mtr-stack[hidden] { display: none; }
.chat-stack[hidden] { display: none; }

.mtr-icon {
  width: 46px;
  height: 46px;
  font-size: 22px;
  line-height: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--text);
  background: color-mix(in srgb, var(--ink-2) 92%, transparent);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px -20px #000;
  cursor: pointer;
}
.mtr-icon[hidden] { display: none; } /* [hidden] alone loses to display: grid above */
.mtr-icon svg { width: 24px; height: 24px; display: block; }
.mtr-icon:hover { border-color: rgba(255,255,255,.22); }
.mtr-icon.is-running { border-color: color-mix(in srgb, var(--glow) 55%, transparent); }
/* the card chrome (.metro-*) is shared — see style.css. The dock just positions it. */
/* the chat card chrome (.chat-*) is shared too — see style.css. */

/* piano roll (/roll/:id) — replaces the keyboard stage for a read-only score view */
body[data-mode="roll"] .stage,
body[data-mode="roll"] #trailCanvas,
body[data-mode="roll"] #chordCanvas,
body[data-mode="roll"] .controls { display: none; }

body[data-mode="roll"] #pianoRoll { display: block; }
.piano-roll {
  position: fixed;
  left: 24px; right: 24px;
  top: 96px; bottom: 140px;
  border-radius: 14px;
  background: rgba(6, 8, 14, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.15);
  overflow: hidden;
}
/* touch-action:none: the canvas owns drag-scroll + pinch-zoom, so the browser
   doesn't pan/navigate out from under the roll's pointer handlers. */
.piano-roll-canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.piano-roll-zoom { position: absolute; top: 8px; right: 8px; display: flex; gap: 4px; }
.piano-roll-zoom button {
  width: 26px; height: 26px; border-radius: 7px; cursor: pointer;
  background: rgba(20, 24, 36, 0.9); color: #e2e8f0;
  border: 1px solid rgba(148, 163, 184, 0.25); font-size: 15px; line-height: 1;
}
.piano-roll-zoom button:hover { background: rgba(30, 36, 52, 1); }