/* ════════════════════════════════════════════════════════
   MIXER — Mix Master page styles
   Dark theme throughout (body[data-theme="dark"])
   Mobile-first: base = 375px → 768px → 1280px
   ════════════════════════════════════════════════════════ */


/* ── Root layout ─────────────────────────────────────────── */
.mixer-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--color-near-black);
}


/* ── Mobile notice banner ────────────────────────────────── */
.mixer-notice {
  background: rgba(200, 82, 10, 0.08);
  border-bottom: 1px solid rgba(200, 82, 10, 0.20);
  padding: 10px 16px;
  font-size: 12px;
  color: rgba(200, 82, 10, 0.85);
  text-align: center;
  line-height: 1.55;
  flex-shrink: 0;
  display: none;
}

@media (max-width: 767px) {
  .mixer-notice--visible { display: block; }
}


/* ══════════════════════════════════════════════════════════
   EMPTY STATE
   ══════════════════════════════════════════════════════════ */

.mixer-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  gap: 16px;
  overflow: auto;
}

.mixer-empty__icon {
  width: 56px;
  height: 56px;
  background: var(--color-near-black-2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(242, 237, 227, 0.07);
  flex-shrink: 0;
}

.mixer-empty__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 28px);
  color: var(--color-text-on-dark);
  line-height: 1;
  letter-spacing: var(--tracking-heading);
}

.mixer-empty__sub {
  font-size: var(--text-body-lg);
  color: var(--color-text-on-dark-dim);
  line-height: var(--leading-body);
  max-width: 360px;
}

.mixer-empty__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 4px;
}

.mixer-empty__note {
  font-size: var(--text-overline);
  color: var(--color-text-on-dark-dim);
  opacity: 0.6;
  line-height: 1.6;
  max-width: 300px;
}

/* Upload session zip button */
.btn--mixer-upload {
  background: var(--color-accent);
  color: var(--color-cream);
  font-size: var(--text-button);
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: none;
  box-shadow: var(--glow-btn-sm);
  text-decoration: none;
  letter-spacing: var(--tracking-button);
  transition: filter var(--duration-fast), box-shadow var(--duration-fast);
}
.btn--mixer-upload:hover {
  filter: brightness(1.08);
  box-shadow: var(--glow-btn);
}
.btn--mixer-upload:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Back to recording button */
.btn--mixer-back {
  background: transparent;
  color: var(--color-text-on-dark-mid);
  font-size: var(--text-button);
  font-weight: 500;
  padding: 10px 22px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1.5px solid rgba(242, 237, 227, 0.07);
  text-decoration: none;
  letter-spacing: var(--tracking-button);
  transition: border-color var(--duration-base), color var(--duration-base);
}
.btn--mixer-back:hover {
  border-color: rgba(242, 237, 227, 0.22);
  color: var(--color-text-on-dark);
}
.btn--mixer-back:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}


/* ══════════════════════════════════════════════════════════
   ACTIVE STATE — DAW layout
   ══════════════════════════════════════════════════════════ */

.mixer-daw-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}


/* ── Toolbar ─────────────────────────────────────────────── */
.mixer-toolbar {
  background: var(--color-near-black-2);
  border-bottom: 1px solid rgba(242, 237, 227, 0.07);
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* Icon buttons */
.mx-tbtn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(242, 237, 227, 0.07);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--duration-micro);
}
.mx-tbtn svg { opacity: 0.5; transition: opacity var(--duration-micro); }
.mx-tbtn:hover { background: rgba(242, 237, 227, 0.06); }
.mx-tbtn:hover svg { opacity: 0.9; }
.mx-tbtn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* Play/pause button */
.mx-play-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-near-black-3);
  border: 1px solid rgba(242, 237, 227, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out);
}
.mx-play-btn--active {
  background: var(--color-accent);
  border-color: transparent;
  box-shadow: 0 0 12px 2px rgba(200, 82, 10, 0.30);
}
.mx-play-btn:hover { filter: brightness(1.12); }
.mx-play-btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* Toolbar divider */
.mx-tdivr {
  width: 1px;
  height: 18px;
  background: rgba(242, 237, 227, 0.07);
  flex-shrink: 0;
}

/* Progress bar */
.mx-progress {
  flex: 1;
  height: 3px;
  background: rgba(242, 237, 227, 0.07);
  border-radius: 2px;
  min-width: 40px;
  cursor: ew-resize;
  position: relative;
}
.mx-progress__fill {
  width: 0%;
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  pointer-events: none;
}
.mx-progress__head {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  box-shadow: 0 0 6px rgba(200, 82, 10, 0.5);
  pointer-events: none;
}

.mx-time-label {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-text-on-dark-dim);
  white-space: nowrap;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}


/* ── Three-panel DAW ─────────────────────────────────────── */
/* Mobile + tablet: stacked                                  */
/* Desktop 1280px+: 160px | 1fr | 200px                     */
.mixer-daw {
  flex: 1;
  overflow: hidden;
  min-height: 0;
  /* stacked on mobile — flex column is the default on body  */
  display: flex;
  flex-direction: column;
}

@media (min-width: 1280px) {
  .mixer-daw {
    display: grid;
    grid-template-columns: 160px 1fr 200px;
    grid-template-rows: 1fr;
  }
}


/* ── Shared sidebar header ───────────────────────────────── */
.mixer-sb-hdr {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(242, 237, 227, 0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-near-black-2);
  flex-shrink: 0;
}

.mixer-sb-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text-on-dark-dim);
}

.mixer-sb-action {
  font-size: 10px;
  color: var(--color-accent);
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: none;
  border: none;
  padding: 0;
  transition: opacity var(--duration-micro);
}
.mixer-sb-action:hover { opacity: 0.7; }
.mixer-sb-action:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }


/* ── Left sidebar: FX library ────────────────────────────── */
/* Hidden on mobile + tablet; shown at 1280px+               */
.mixer-lsb {
  border-right: 1px solid rgba(242, 237, 227, 0.07);
  display: none;
  flex-direction: column;
  overflow-y: auto;
}

@media (min-width: 1280px) {
  .mixer-lsb { display: flex; }
}

.mixer-fx-group {
  border-bottom: 1px solid rgba(242, 237, 227, 0.07);
}

.mixer-fx-group-hdr {
  padding: 6px 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-on-dark-dim);
  background: var(--color-near-black-2);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: none;
  width: 100%;
  text-align: left;
  transition: background var(--duration-micro);
}
.mixer-fx-group-hdr:hover { background: var(--color-near-black-3); }
.mixer-fx-group-hdr:focus-visible { outline: 2px solid var(--color-accent); outline-offset: -2px; }

.mixer-fx-arrow {
  font-size: 10px;
  opacity: 0.4;
  display: inline-block;
  transition: transform var(--duration-base);
}
.mixer-fx-group--collapsed .mixer-fx-arrow { transform: rotate(-90deg); }
.mixer-fx-group--collapsed .mixer-fx-group__items { display: none; }

.mixer-fx-item {
  padding: 5px 10px 5px 18px;
  font-size: 11px;
  color: var(--color-text-on-dark-mid);
  cursor: grab;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(242, 237, 227, 0.04);
  transition: background var(--duration-micro), color var(--duration-micro);
}
.mixer-fx-item:last-child { border-bottom: none; }
.mixer-fx-item:hover { background: var(--color-near-black-2); color: var(--color-text-on-dark); }
.mixer-fx-item:active { cursor: grabbing; opacity: 0.7; }

.mixer-fx-shortcut {
  font-size: 10px;
  color: var(--color-text-on-dark-dim);
  font-family: var(--font-mono);
  background: var(--color-near-black-3);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  flex-shrink: 0;
}


/* ── Center: timeline ────────────────────────────────────── */
.mixer-center {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  flex: 1;
}

/* Time ruler */
.mixer-ruler {
  height: 18px;
  background: var(--color-near-black-2);
  border-bottom: 1px solid rgba(242, 237, 227, 0.07);
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 52px;
  flex-shrink: 0;
  overflow: hidden;
}

.mixer-ruler-mark {
  font-size: 10px;
  color: var(--color-text-on-dark-dim);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* Scrollable track list */
.mixer-tracks {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

/* Track row */
.mx-track {
  background: var(--color-near-black-2);
  border-radius: var(--radius-lg);
  margin: 4px 8px;
  overflow: hidden;
  border: 1px solid rgba(242, 237, 227, 0.07);
  cursor: pointer;
  transition: border-color var(--duration-micro);
}
.mx-track:hover { border-color: rgba(242, 237, 227, 0.15); }
.mx-track--selected { border-color: rgba(200, 82, 10, 0.40); }
.mx-track:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 1px; }

.mx-track__header {
  padding: 6px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(242, 237, 227, 0.05);
  background: var(--color-near-black-3);
}

.mx-track__name {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-on-dark);
  flex: 1;
}

/* M / S control buttons */
.mx-track__ctrl {
  font-size: 10px;
  color: var(--color-text-on-dark-dim);
  padding: 2px 6px;
  border: 1px solid rgba(242, 237, 227, 0.07);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: transparent;
  letter-spacing: 0.3px;
  transition: color var(--duration-micro), border-color var(--duration-micro);
}
.mx-track__ctrl:hover {
  color: var(--color-text-on-dark);
  border-color: rgba(242, 237, 227, 0.20);
}
.mx-track__ctrl--active {
  color: var(--color-accent);
  border-color: rgba(200, 82, 10, 0.30);
}
.mx-track__ctrl:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 1px; }

/* Waveform area */
.mx-track__waveform {
  margin: 6px 8px;
  height: 44px;
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

/* Playhead line */
.mx-playhead {
  position: absolute;
  top: 0;
  left: 0%;
  width: 1.5px;
  height: 100%;
  background: var(--color-accent);
  opacity: 0.8;
  pointer-events: none;
}


/* ── Right sidebar: effects rack ─────────────────────────── */
.mixer-rsb {
  border-left: 1px solid rgba(242, 237, 227, 0.07);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

@media (min-width: 1280px) {
  .mixer-rsb { overflow-y: auto; }
}

.mixer-rsb__scroll {
  overflow-y: auto;
  flex: 1;
  padding-bottom: 8px;
}

/* Rack entry (one effect plugin) */
.mx-rack-entry {
  margin: 6px 8px;
  border: 1px solid rgba(242, 237, 227, 0.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.mx-rack-entry--selected { border-color: rgba(200, 82, 10, 0.25); }

.mx-rack-hdr {
  padding: 6px 10px;
  background: var(--color-near-black-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(242, 237, 227, 0.05);
}

.mx-rack-name {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-on-dark);
}

/* On/off toggle switch */
.mx-rack-toggle {
  width: 22px;
  height: 12px;
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
  background: var(--color-accent);
  box-shadow: 0 0 6px rgba(200, 82, 10, 0.30);
  border: none;
  transition: background var(--duration-base), box-shadow var(--duration-base);
}
.mx-rack-toggle::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--color-cream);
  border-radius: var(--radius-full);
  top: 1px;
  right: 1px;
  transition: all var(--duration-base);
}
.mx-rack-toggle--off {
  background: var(--color-near-black-4);
  box-shadow: none;
  border: 1px solid rgba(242, 237, 227, 0.07);
}
.mx-rack-toggle--off::after {
  background: rgba(242, 237, 227, 0.35);
  right: auto;
  left: 1px;
}
.mx-rack-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* Parameter row */
.mx-rack-param {
  padding: 5px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mx-rack-label {
  font-size: 10px;
  color: var(--color-text-on-dark-dim);
  width: 64px;
  flex-shrink: 0;
}

.mx-rack-slider {
  flex: 1;
  height: 2px;
  background: var(--color-near-black-4);
  border-radius: 1px;
  position: relative;
  cursor: pointer;
}
.mx-rack-slider:hover .mx-rack-fill { filter: brightness(1.2); }

.mx-rack-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 1px;
  pointer-events: none;
}

.mx-rack-val {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--color-text-on-dark-dim);
  width: 36px;
  text-align: right;
  flex-shrink: 0;
}

/* Drop zone */
.mx-rack-drop {
  margin: 6px 8px;
  padding: 10px;
  border: 1.5px dashed rgba(242, 237, 227, 0.07);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 11px;
  color: var(--color-text-on-dark-dim);
  cursor: pointer;
  transition: border-color var(--duration-base), color var(--duration-base);
}
.mx-rack-drop:hover {
  border-color: rgba(200, 82, 10, 0.30);
  color: var(--color-accent);
}

/* Empty rack message */
.mx-rack-empty {
  padding: 24px 16px;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-on-dark-dim);
  line-height: 1.6;
}


/* ── Export / bottom bar ─────────────────────────────────── */
.mixer-bottom {
  background: var(--color-near-black-2);
  border-top: 1px solid rgba(242, 237, 227, 0.07);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .mixer-bottom { padding: 12px 20px; flex-wrap: nowrap; }
}

.mixer-bottom__info {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-text-on-dark-dim);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.mixer-bottom__exports {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.btn--mx-export {
  background: transparent;
  color: var(--color-text-on-dark-mid);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid rgba(242, 237, 227, 0.07);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  letter-spacing: 0.3px;
  transition: border-color var(--duration-base), color var(--duration-base);
}
.btn--mx-export:hover {
  border-color: rgba(242, 237, 227, 0.25);
  color: var(--color-text-on-dark);
}
.btn--mx-export:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.btn--mx-bounce {
  background: var(--color-accent);
  color: var(--color-cream);
  font-size: 12px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  letter-spacing: 0.3px;
  box-shadow: 0 0 14px 2px rgba(200, 82, 10, 0.22);
  transition: filter var(--duration-fast), box-shadow var(--duration-fast);
}
.btn--mx-bounce:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 20px 3px rgba(200, 82, 10, 0.30);
}
.btn--mx-bounce:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }


/* ── Reduced motion ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .mx-play-btn,
  .mx-rack-toggle,
  .mixer-fx-item,
  .mx-track,
  .btn--mx-export,
  .btn--mx-bounce,
  .btn--mixer-upload,
  .btn--mixer-back { transition: none; }
}