/* mixer-extras.css — sleek mixer additions (Sub-batch B)
 * Replaces the old presets/AB-slider/notch styles. The mixer is now a
 * standalone player with prev/next, A/B compare, segmented TR SAUCE,
 * and red-when-changed BPM/Key cells.
 */

/* ---- Player at bottom: separation + chrome-like polish ------------- */
.mx-panel .mx-player {
  margin-top: 6px;
  padding: 6px 10px;
}
.mx-panel .mx-player__wave {
  height: 24px;
  gap: 2px;
}
.mx-panel .mx-player__bar {
  border-radius: 1.5px;
  width: 2px;
}

/* ---- Stem faders — properly aligned thumb (rotated horizontal) ----- */
.mx-stem__fader { width: 26px; height: 130px; }
.mx-stem__fader::before { display: none; }
.mx-stem__range--v {
  -webkit-appearance: none;
  appearance: none;
  writing-mode: horizontal-tb;
  direction: ltr;
  width: 130px;
  height: 4px;
  background: linear-gradient(to right,
    rgba(255,255,255,0.10) 0%,
    rgba(255,255,255,0.10) calc((1 - var(--p, 0.83)) * 100%),
    color-mix(in oklch, var(--accent) 85%, transparent) calc((1 - var(--p, 0.83)) * 100%),
    color-mix(in oklch, var(--accent) 85%, transparent) 100%);
  border-radius: 2px;
  transform: rotate(-90deg);
  transform-origin: center;
  margin: 0;
  padding: 0;
  cursor: pointer;
  outline: none;
}
:root[data-theme="light"] .mx-stem__range--v {
  background: linear-gradient(to right,
    rgba(28,26,22,0.10) 0%,
    rgba(28,26,22,0.10) calc((1 - var(--p, 0.83)) * 100%),
    color-mix(in oklch, var(--accent) 85%, transparent) calc((1 - var(--p, 0.83)) * 100%),
    color-mix(in oklch, var(--accent) 85%, transparent) 100%);
}
.mx-stem__range--v::-webkit-slider-runnable-track { height: 4px; background: transparent; border: 0; }
.mx-stem__range--v::-moz-range-track { height: 4px; background: transparent; border: 0; }
.mx-stem__range--v::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #1a0e02;
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 55%, transparent);
  cursor: grab;
  margin-top: -6px;
}
.mx-stem__range--v::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #1a0e02;
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 55%, transparent);
  cursor: grab;
}
.mx-stem__range--v:active::-webkit-slider-thumb { cursor: grabbing; }

/* ---- Mini player nav buttons (prev / next) -------------------------- */
.mx-player--withnav {
  grid-template-columns: 28px 36px 1fr auto 28px;
}
.mx-player__nav {
  width: 28px; height: 28px; border-radius: 999px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--text-dim);
  display: grid; place-items: center;
  cursor: pointer;
  transition: color 120ms ease, background 120ms ease, opacity 120ms ease;
}
.mx-player__nav:hover:not(:disabled) {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}
.mx-player__nav:disabled {
  opacity: 0.30;
  cursor: not-allowed;
}
:root[data-theme="light"] .mx-player__nav {
  border-color: rgba(28,26,22,0.12);
}

/* ---- Session-style Mix & Tune player --------------------------------
   Mirrors the vault mobile player proportions: art block, dense waveform,
   centered transport, and speed controls separated from the playback row. */
.mx-session-player {
  margin-top: 10px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    radial-gradient(circle at 18% 8%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0.052), rgba(255,255,255,0.022));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 18px 48px rgba(0,0,0,0.30);
  display: grid;
  gap: 13px;
}
:root[data-theme="light"] .mx-session-player {
  background:
    radial-gradient(circle at 18% 8%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0.78), rgba(255,255,255,0.46));
  border-color: rgba(28,26,22,0.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.55), 0 18px 48px rgba(28,24,18,0.12);
}
.mx-session-player__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}
.mx-session-player__tool-label {
  color: var(--text-mute);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.mx-session-player__speeds { flex: 0 0 auto; }
.mx-session-player__body {
  display: block;
}
.mx-session-player__main {
  min-width: 0;
  display: grid;
  gap: 12px;
}
.mx-session-player__meta {
  min-width: 0;
  display: grid;
  gap: 4px;
}
.mx-session-player__title {
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mx-session-player__sub {
  color: var(--text-mute);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mx-session-player__chips {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.mx-session-player__chips span {
  display: inline-flex;
  align-items: center;
  min-height: 21px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text-dim);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
:root[data-theme="light"] .mx-session-player__chips span {
  background: rgba(28,26,22,0.035);
  border-color: rgba(28,26,22,0.08);
}
.mx-session-player__wave-row {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 38px;
  gap: 9px;
  align-items: center;
}
.mx-session-player__time {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-align: left;
}
.mx-session-player__time--total { text-align: right; color: var(--text-mute); }
.mx-session-player__wave {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 1px;
  min-width: 0;
  cursor: pointer;
  border-radius: 10px;
  padding: 4px 0;
}
.mx-session-player__bar {
  flex: 1 1 0;
  min-width: 0;
  border-radius: 2px;
  background: color-mix(in oklch, var(--accent) 16%, rgba(255,255,255,0.34));
  transition: background 120ms ease, opacity 120ms ease;
  opacity: 0.86;
}
.mx-session-player__bar.is-played {
  background: color-mix(in srgb, var(--accent) 88%, white 12%);
  opacity: 1;
  box-shadow: 0 0 7px color-mix(in oklch, var(--accent) 32%, transparent);
}
:root[data-theme="light"] .mx-session-player__bar {
  background: color-mix(in oklch, var(--accent) 18%, rgba(28,26,22,0.30));
}
.mx-session-player__transport {
  display: grid;
  grid-template-columns: 44px 74px 44px;
  gap: 12px;
  align-items: center;
  justify-content: center;
}
.mx-session-player__ctrl,
.mx-session-player__play {
  appearance: none;
  border: 0;
  cursor: pointer;
  color: var(--text);
  font-family: inherit;
}
.mx-session-player__ctrl {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-dim);
}
.mx-session-player__ctrl:hover:not(:disabled) {
  color: var(--text);
  background: rgba(255,255,255,0.075);
}
.mx-session-player__ctrl:disabled {
  opacity: 0.34;
  cursor: not-allowed;
}
.mx-session-player__ctrl .icon {
  width: 20px;
  height: 20px;
}
.mx-session-player__play {
  width: 74px;
  height: 74px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  position: relative;
  background: transparent;
}
.mx-session-player__play-ring { display: none; }
.mx-session-player__play-inner {
  position: relative;
  z-index: 1;
  width: auto;
  height: auto;
  border-radius: 0;
  background: transparent;
  color: #fff;
  display: grid;
  place-items: center;
  border: 0;
  transform: none;
}
.mx-session-player__play-inner.is-glyph-play { transform: translateX(1.5px); }
.mx-session-player__play-inner.is-glyph-pause { transform: none; }
.mx-session-player__play-inner .icon {
  width: 25px;
  height: 25px;
  fill: currentColor;
  stroke: none;
}
@media (max-width: 720px) {
  .mx-session-player__wave-row { grid-template-columns: 34px minmax(0, 1fr) 34px; gap: 7px; }
  .mx-session-player__toolbar { align-items: flex-start; flex-direction: column; }
}

/* ---- A/B compare bar (replaces presets row) ------------------------- */
.mx-abbar {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  flex-wrap: wrap;
}
:root[data-theme="light"] .mx-abbar {
  background: rgba(28,26,22,0.02);
  border-color: rgba(28,26,22,0.08);
}
.mx-abbar__label {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 600;
}
.mx-abbar__group {
  display: inline-flex;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.10);
}
:root[data-theme="light"] .mx-abbar__group {
  border-color: rgba(28,26,22,0.12);
}
.mx-ab__btn {
  appearance: none; cursor: pointer;
  background: transparent;
  color: var(--text-dim);
  border: 0;
  padding: 6px 12px;
  font: inherit;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: background 120ms ease, color 120ms ease;
}
.mx-ab__btn + .mx-ab__btn { border-left: 1px solid rgba(255,255,255,0.08); }
.mx-ab__btn:hover:not(:disabled) { color: var(--text); }
.mx-ab__btn:disabled {
  opacity: 0.35; cursor: not-allowed;
}
.mx-ab__btn.is-on {
  background: var(--accent);
  color: #1a0e02;
  font-weight: 600;
}
.mx-abbar__hint {
  margin-left: auto;
  font-size: 10.5px;
  color: var(--text-mute);
  letter-spacing: 0.02em;
}
.mx-abbar__hint.is-on { color: var(--accent); }

/* ---- Sleek BPM/Key cells: tighter, value can go red on change ------ */
.mx-tune--sleek .mx-tune__cell {
  padding: 8px 12px 10px;
  gap: 4px;
}
.mx-tune--sleek .mx-tune__row {
  grid-template-columns: 28px 1fr 28px;
  gap: 6px;
}
.mx-tune--sleek .mx-tune__value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.mx-tune--sleek .mx-step {
  height: 26px;
  font-size: 15px;
}
.mx-tune--sleek .mx-check {
  font-size: 11px;
  padding-top: 0;
  margin-top: 2px;
}

/* Red signal when a value differs from the original. */
.mx-tune__value.is-changed {
  color: #ff5d5d;
  text-shadow: 0 0 16px rgba(255, 93, 93, 0.25);
}
.mx-tune__cell.is-changed {
  border-color: color-mix(in srgb, #ff5d5d 35%, transparent);
  background: color-mix(in srgb, #ff5d5d 5%, rgba(255,255,255,0.02));
}
:root[data-theme="light"] .mx-tune__value.is-changed {
  color: #d83a3a;
  text-shadow: none;
}
:root[data-theme="light"] .mx-tune__cell.is-changed {
  border-color: color-mix(in srgb, #d83a3a 38%, transparent);
  background: color-mix(in srgb, #d83a3a 4%, rgba(28,26,22,0.02));
}

/* ---- TR SAUCE segmented (replaces slider+notches) ------------------ */
.mx-sauce--seg {
  display: grid !important;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 4px 10px;
  padding: 6px 12px 8px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  cursor: default;
}
.mx-sauce--seg:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.mx-sauce--seg .mx-sauce__lbl {
  grid-row: 1; grid-column: 1;
  font-weight: 600; letter-spacing: 0.10em;
  font-size: 10.5px;
}
.mx-sauce--seg .mx-sauce__live {
  grid-row: 1; grid-column: 2;
  justify-self: start;
  font-style: normal;
  font-size: 9px; font-weight: 600; letter-spacing: 0.18em;
  padding: 2px 5px; border-radius: 3px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
}
.mx-seg--four {
  grid-row: 2;
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin-top: 2px;
}
.mx-seg--four .mx-seg__btn {
  height: 26px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.mx-seg--four .mx-seg__btn:disabled {
  opacity: 0.35; cursor: not-allowed;
}

/* ---- Print summary line (kept) ------------------------------------- */
.mx-print-summary {
  padding: 8px 12px;
  margin-top: 2px;
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
  border: 1px dashed rgba(255,255,255,0.08);
  font-size: 11.5px;
  color: var(--text-muted, var(--text-dim));
  letter-spacing: 0.02em;
}
:root[data-theme="light"] .mx-print-summary {
  background: rgba(28,26,22,0.02);
  border-color: rgba(28,26,22,0.10);
}

/* ---- Empty state when there are zero tracks in the library --------- */
.mx-panel--empty { padding: 28px 20px; }
.mx-empty {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 16px 8px 4px;
  text-align: center;
}
.mx-empty h3 {
  margin: 4px 0 0;
  font-size: 16px; font-weight: 600;
  color: var(--text);
}
.mx-empty p {
  margin: 0 0 8px;
  font-size: 12.5px;
  color: var(--text-mute);
}
.mx-empty .mx-action {
  min-width: 140px;
}