/* ── Reset ───────────────────────────────────────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Design tokens ───────────────────────────────────────────────────────────── */

:root {
  /* Single variable to scale all player text — adjust until it feels right */
  --ts: clamp(9px, 2.8vw, 22px);

  /* Palette */
  --bg: #f0e7e8;
  --brand-color: #646464;
  --tape-bg: #969293;
  --cover-bg: #474747;
  --track-strip-bg: rgba(13, 16, 23, 0.71);
  --track-text: #ff8d28;
  --grill-bar: #b1b1b1;
  --grill-hi: #c8c7c7;
  --btn-outer: #1e1e1e;
  --btn-body: #93969d;
  --btn-top: #ccc;
  --btn-face: #ede8ee;
  --btn-bot: #93969d;
  --label-text: #454b48;
  --spacer-color: #e6e6e7;
  --center-bg: #f4ebec;
  --center-border: #d9d9d9;
  --display-bg: #0d1017;
  --display-text: #e4e4e4;
  --display-accent: #ff8d28;
  --vol-white: #edecec;
  --vol-orange-drk: #d74107;
  --vol-sliver: #ff7d4a;
  --vol-dark: #242323;
  --vol-border: rgba(183, 183, 183, 0.21);

  /* Overlay (queue panel + browser) */
  --surface: #f4ebee;
  --surface2: #e6dfe2;
  --border: #c4c0c4;
  --text: #434847;
  --subtle: #6f7478;
  --accent: #ff8d28;
  --danger: #d94b36;
  --nav-bg: #9b999a;
  --radius: 2px;
}

/* ── Body layout ─────────────────────────────────────────────────────────────── */

html {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
}

body {
  height: 100dvh;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--bg);
  color: var(--label-text);
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  text-shadow: 0 1px 0 rgba(177, 177, 177, 0.28);
  -webkit-text-size-adjust: 100%;
  display: flex;
  flex-direction: column;
}

/* ── Desktop frame (non-touch devices) ───────────────────────────────────────── */

@media (hover: hover) and (pointer: fine) {
  :root {
    --ts: 11px; /* vw resolves to full viewport on desktop, not the 393px frame */
  }

  html {
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    /* height: 100% and overflow: hidden inherited from global rule —
       frame clips symmetrically if viewport < 852px, no scrollbar */
  }

  body {
    width: 393px;
    height: 852px;
    flex-shrink: 0;
    border-radius: 8px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.65);
    /* transform creates a containing block for position:fixed children (overlays),
       keeping them within the frame instead of covering the full viewport */
    transform: translateZ(0);
  }
}

/* ── Header ──────────────────────────────────────────────────────────────────── */

.dcd-header {
  flex-shrink: 0;
  position: relative;
  background: linear-gradient(180deg, #f8f6f7 0%, #eeeceb 42%, #e8e5e7 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--ts) * 0.6) calc(var(--ts) * 1.2);
  padding-top: calc(var(--ts) * 0.6 + env(safe-area-inset-top));
  border-top: 1px solid #dddadc;
  border-bottom: 1px solid #c8c5c7;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.65),
    inset 0 -1px 0 rgba(120, 118, 122, 0.18);
}

.dcd-header::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.18) 0,
    rgba(255, 255, 255, 0.18) 1px,
    transparent 1px,
    transparent 5px
  );
}

.brand-name {
  font-family: "Georgia", serif;
  font-size: calc(var(--ts) * 1.1);
  font-weight: 600;
  color: var(--brand-color);
  letter-spacing: -0.09em;
  white-space: nowrap;
  text-shadow: 0 1px 0 rgba(177, 177, 177, 0.28);
}

.brand-product {
  opacity: 50%;
  text-shadow: 0 1px 0 rgba(177, 177, 177, 0.28);
}

.brand-product-outer {
  position: relative;
  border-radius: 10px;
  padding: 0px 4px;
}

.brand-product-outer::before,
.brand-product-outer::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  border-left: 2px solid var(--brand-color);
  border-radius: 10px;
}
.brand-product-outer::before {
  left: 0;
}
.brand-product-outer::after {
  right: 0;
  border-left: none;
  border-right: 2px solid var(--brand-color);
}

.brand-product-inner {
  position: relative;
  border-radius: 10px;
  padding: 0px 6px;
  font-size: calc(var(--ts) * 0.75);
  font-weight: 600;
  letter-spacing: 0.11em;
  white-space: nowrap;
}

.brand-product-inner::before,
.brand-product-inner::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  border-left: 2px solid var(--brand-color);
}
.brand-product-inner::before {
  left: 0;
}
.brand-product-inner::after {
  right: 0;
  border-left: none;
  border-right: 2px solid var(--brand-color);
}

/* ── Player sections ─────────────────────────────────────────────────────────── */

.dcd-player {
  flex: 1;
  min-height: 0;
  height: 0;
  display: flex;
  flex-direction: column;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(72, 71, 74, 0.18);
}

/* ── Tape area ───────────────────────────────────────────────────────────────── */

.tape {
  flex: 1;
  min-height: 0;
  background: linear-gradient(180deg, #a5a1a3 0%, #969293 46%, #878385 100%);
  display: flex;
  flex-direction: row;
  align-items: stretch;
  border-bottom: 1px solid #7a777a;
  box-shadow:
    inset 0 2px 0 rgba(255, 255, 255, 0.28),
    inset 0 -2px 0 rgba(60, 58, 62, 0.32);
}

.tape-side {
  flex: 0 0 15%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: calc(var(--ts) * 0.8);
  gap: calc(var(--ts) * 0);
}

.deck-label {
  position: absolute;
  top: calc(var(--ts) * 1.25);
  left: 50%;
  transform: translateX(-50%);
  font-size: calc(var(--ts) * 0.8);
  font-weight: 700;
  color: #4b4a4a;
  letter-spacing: 0.1em;
  white-space: nowrap;
  opacity: 0.6;
  user-select: none;
}

.deck-num {
  display: inline-block;
  border: 1.5px solid currentColor;
  font-size: calc(var(--ts) * 0.7);
  line-height: 1;
  padding: 1px calc(var(--ts) * 0.19) 1px calc(var(--ts) * 0.185);
  border-radius: 1px;
  opacity: 0.85;
}

.knob-label {
  font-size: calc(var(--ts) * 0.85);
  font-weight: 600;
  color: #4b4a4a;
  letter-spacing: 0.1em;
  white-space: nowrap;
  text-align: center;
}

.knob-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  width: min(15vw, 64px);
  height: min(15vw, 64px);
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}

.knob-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.knob-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  isolation: isolate;
}

.knob-noise {
  mix-blend-mode: overlay;
  pointer-events: none;
}

#level-knob-noise {
  transform-box: fill-box;
  transform-origin: center;
}

/* iOS Safari compositing bug: knob noise circles render offset; hidden until resolved */
@supports (-webkit-touch-callout: none) {
  .knob-noise {
    display: none;
  }
}

.tape-center {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: stretch;
}

/* ── Cover area ──────────────────────────────────────────────────────────────── */

.cover-area {
  flex: 1;
  background: var(--cover-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
}

.cover-art {
  position: absolute;
  bottom: calc(var(--ts) * 1.8); /* flush with track strip top */
  left: 50%;
  transform: translateX(-50%);
  aspect-ratio: 1;
  height: calc(100% - var(--ts) * 1.8);
  width: auto;
  max-width: 100%;
  object-fit: cover;
}

.cover-ph {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: calc(var(--ts) * 1.8);
  background: var(--cover-bg);
}

.track-strip {
  width: 100%;
  flex-shrink: 0;
  background: var(--track-strip-bg);
  border-bottom: 2px solid var(--cover-bg);
  padding: calc(var(--ts) * 0.15) calc(var(--ts) * 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(var(--ts) * 1.8);
  z-index: 1;
}

.track-strip-text {
  font-size: var(--ts);
  font-weight: 600;
  color: var(--track-text);
  letter-spacing: 0.1em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
  max-width: 100%;
}

.cover-inset {
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow:
    inset 0 -10px 22px 8px rgba(100, 97, 97, 0.34),
    inset 0 0 12px 4px rgba(100, 97, 97, 0.14);
  border: 3px solid var(--cover-bg);
}

/* ── Decorative grill ────────────────────────────────────────────────────────── */

.dcd-grill {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--grill-hi);
  padding: 1px 0;
}

.grill-bar {
  position: relative;
  height: 6px;
  background: var(--grill-bar);
  overflow: hidden;
}

.grill-bar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -12px;
  height: 0;
  border-bottom: 12px solid var(--grill-hi);
  pointer-events: none;
}

.grill-progress {
  background: #837d7e;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  overflow: visible;
  --sp: 0;
}

.grill-seg-elapsed {
  flex-shrink: 0;
  width: calc(var(--sp) * (100% - calc(var(--ts) * 0.5)));
  background: #ebebeb;
}

.grill-seg-sliver {
  flex-shrink: 0;
  width: calc(var(--ts) * 0.5);
  background: var(--vol-sliver);
}

.grill-seg-rem {
  flex: 1;
  min-width: 0;
  background: #837d7e;
}

.grill-seek {
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  bottom: -10px;
  width: 100%;
  opacity: 0;
  cursor: pointer;
  margin: 0;
  padding: 0;
  -webkit-appearance: none;
  z-index: 3;
}

/* ── Button labels row ───────────────────────────────────────────────────────── */

.btn-labels {
  flex-shrink: 0;
  background: linear-gradient(180deg, #ffffff 0%, #f5f5f5 100%);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: calc(var(--ts) * 0.35) calc(var(--ts) * 1) 0;
  gap: calc(var(--ts) * 1);
  border-top: 1px solid #dadada;
}

.btn-label-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 calc(var(--ts) * 0.35);
  font-size: calc(var(--ts) * 0.85);
  font-weight: 600;
  color: var(--label-text);
  letter-spacing: 0.1em;
  white-space: nowrap;
  user-select: none;
  gap: 2px;
}

/* Match button flex widths */
.btn-lbl-browse {
  flex: 216;
}
.btn-lbl-back {
  flex: 144;
}
.btn-lbl-next {
  flex: 144;
}
.btn-lbl-play {
  flex: 216;
}
.btn-lbl-stop {
  flex: 112;
}
.btn-lbl-pause {
  flex: 112;
}

.btn-icon {
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  font-style: normal;
  font-size: calc(var(--ts) * 0.9);
  font-variant-emoji: text;
}

/* ── Button actions row ──────────────────────────────────────────────────────── */

.btn-actions {
  flex-shrink: 0;
  background: linear-gradient(180deg, #fbfbf9 0%, #eeeceb 100%);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: calc(var(--ts) * 0.35) calc(var(--ts) * 1) calc(var(--ts) * 0.5);
  gap: calc(var(--ts) * 1);
  border-top: 1px solid #d9d7d6;
}

.dcd-btn {
  background: var(--btn-outer);
  border: none;
  border-radius: 2px;
  padding: calc(var(--ts) * 0.35);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.dcd-btn:disabled {
  opacity: 0.4;
  cursor: default;
}
/* ── Pressed state: tap flash (all buttons) + latch (play / pause) ──────────── */
.dcd-btn.btn-pressed .btn-color-fade,
.dcd-btn.btn-tapping .btn-color-fade {
  height: calc(var(--ts) * 0.625);
  transition: height 60ms ease-out;
}
.dcd-btn.btn-pressed .btn-color-pure,
.dcd-btn.btn-tapping .btn-color-pure {
  height: calc(var(--ts) * 1.875);
  transition: height 60ms ease-out;
}
.dcd-btn.btn-pressed .btn-top-edge,
.dcd-btn.btn-tapping .btn-top-edge {
  height: calc(var(--ts) * 0.1);
  transition: height 60ms ease-out;
}
.dcd-btn.btn-pressed .btn-face,
.dcd-btn.btn-tapping .btn-face {
  height: calc(var(--ts) * 0.1);
  transition: height 60ms ease-out;
}

/* Button width ratios matching Figma proportions */
.dcd-btn-browse {
  flex: 216;
}
.dcd-btn-back {
  flex: 144;
}
.dcd-btn-next {
  flex: 144;
}
.dcd-btn-play {
  flex: 216;
}
.dcd-btn-stop {
  flex: 112;
}
.dcd-btn-pause {
  flex: 112;
}

.btn-inner {
  background: var(--btn-body);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.btn-color-fade {
  height: calc(var(--ts) * 0.55);
  width: calc(100% - 4px);
  background: var(--btn-clr, transparent);
  transition: height 220ms cubic-bezier(0.65, 0, 1, 1);
  border-radius: 1px 1px 0 0;
}

.btn-color-pure {
  height: calc(var(--ts) * 0.37);
  width: calc(100% - 4px);
  background: var(--btn-clr, transparent);
  transition: height 220ms cubic-bezier(0.65, 0, 1, 1);
  border-radius: 0 0 2px 2px;
}

/* Browse + Play have wider color bar (91%) */
.dcd-btn-browse .btn-color-fade,
.dcd-btn-browse .btn-color-pure,
.dcd-btn-play .btn-color-fade,
.dcd-btn-play .btn-color-pure {
  width: 91%;
}

/* Stop + Pause have narrower color bar (84%) */
.dcd-btn-stop .btn-color-fade,
.dcd-btn-stop .btn-color-pure,
.dcd-btn-pause .btn-color-fade,
.dcd-btn-pause .btn-color-pure {
  width: 84%;
}

.btn-top-edge {
  height: calc(var(--ts) * 0.28);
  width: 100%;
  background: var(--btn-top);
  transition: height 220ms cubic-bezier(0.65, 0, 1, 1);
}

.btn-face {
  height: calc(var(--ts) * 1.5);
  width: 100%;
  background: linear-gradient(180deg, #f0edf1 0%, #e0dce1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(var(--ts) * 0.8);
  color: #555;
  transition: height 220ms cubic-bezier(0.65, 0, 1, 1);
}

.btn-bot-edge {
  height: calc(var(--ts) * 0.37);
  width: 100%;
  background: var(--btn-bot);
}

/* ── Player bottom spacer ────────────────────────────────────────────────────── */

.player-spacer {
  flex-shrink: 0;
  height: calc(var(--ts) * 0.55);
  background: var(--tape-bg);
}

.player-spacer::before {
  content: "";
  position: absolute;
  inset: calc(var(--ts) * -0.28);
  border: calc(var(--ts) * 0.28) solid var(--spacer-color);
  pointer-events: none;
}

/* ── Center controls ─────────────────────────────────────────────────────────── */

.dcd-center {
  flex-shrink: 0;
  background: linear-gradient(180deg, #faf2f3 0%, #f4ebec 40%, #ece3e5 100%);
  position: relative;
  overflow: hidden;
  border-top: 1px solid #d8d2d4;
  border-bottom: 1px solid #bfb8ba;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -1px 0 rgba(117, 113, 116, 0.22);
}

.center-border {
  position: absolute;
  inset: 0;
  border: calc(var(--ts) * 0.55) solid var(--center-border);
  pointer-events: none;
  z-index: 1;
}

.center-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: calc(var(--ts) * 1.4);
  padding: calc(var(--ts) * 1.15) calc(var(--ts) * 1.4);
}

.level-section {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--ts) * 0);
}

.level-knob-wrap {
  width: min(22vw, 90px);
  height: min(22vw, 90px);
  flex-shrink: 0;
  touch-action: none;
  cursor: ns-resize;
}

.knob-dragging .level-knob-pointer {
  transition: none !important;
}

.level-knob-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.level-knob-pointer {
  transition: transform 120ms linear;
}

.level-label {
  font-size: calc(var(--ts) * 0.9);
  font-weight: 600;
  color: var(--label-text);
  letter-spacing: 0.1em;
}

/* ── Display screen ──────────────────────────────────────────────────────────── */

.dcd-display-edges {
  flex: 1;
  min-width: 0;
  background: var(--display-bg);
  border-radius: 4px;
  padding: 4px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 1px 0 rgba(79, 76, 79, 0.25);
}

.dcd-display {
  width: 100%;
  height: 100%;
  border-radius: 3px;
  border: 3px solid #ffffff;
  overflow: hidden;
}

.dcd-display-inner {
  display: flex;
  flex-direction: column;
  gap: calc(var(--ts) * 0.3);
  padding: calc(var(--ts) * 0.5) calc(var(--ts) * 0.7);
}

.disp-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 9px;
}

.disp-deck-num {
  display: inline-block;
  border: 1.5px solid currentColor;
  font-size: calc(var(--ts) * 0.7);
  font-weight: 700;
  line-height: 1;
  padding: 1px calc(var(--ts) * 0.19) 1px calc(var(--ts) * 0.185);
  border-radius: 1px;
  color: var(--display-text);
  opacity: 0.7;
  letter-spacing: 0;
}

.disp-stat {
  font-size: calc(var(--ts) * 0.85);
  font-weight: 600;
  color: var(--display-text);
  letter-spacing: 0.1em;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.disp-time {
  margin-left: auto;
  font-size: calc(var(--ts) * 0.85);
  font-weight: 600;
  color: var(--display-accent);
  letter-spacing: 0.1em;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ── Meter bars ──────────────────────────────────────────────────────────────── */

.meter-display {
  display: flex;
  flex-direction: column;
  gap: calc(var(--ts) * 1.2);
  padding: calc(var(--ts) * 0.2) 0;
}

.meter-track {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  height: calc(var(--ts) * 1.4);
  --mr: 0;
  --mp: 0;
  --sliver: calc(var(--ts) * 0.55);
}

.meter-track::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background: repeating-linear-gradient(90deg, transparent 0, transparent 4px, rgba(13, 16, 23, 0.38) 4px, rgba(13, 16, 23, 0.38) 6px);
}

.meter-seg-normal {
  flex-shrink: 0;
  width: calc(min(var(--mr), 0.55) * (100% - var(--sliver)));
  background: var(--vol-white);
  box-shadow: inset 0 0 0 3px var(--vol-border);
}

.meter-seg-hot {
  flex-shrink: 0;
  width: clamp(0%, calc((var(--mr) - 0.55) * (100% - var(--sliver))), calc(0.45 * (100% - var(--sliver))));
  background: var(--vol-orange-drk);
  box-shadow: inset 0 0 0 3px var(--vol-border);
}

.meter-seg-gap {
  flex-shrink: 0;
  width: clamp(0%, calc((var(--mp) - var(--mr)) * (100% - var(--sliver))), 100%);
  background: var(--vol-dark);
}

.meter-seg-peak {
  flex-shrink: 0;
  width: calc(var(--sliver) * min(1, var(--mp) * 1000));
  background: var(--vol-sliver);
  outline: 3px solid var(--vol-border);
  outline-offset: -3px;
  opacity: min(1, calc(var(--mp) * 10));
  transition:
    background 200ms ease,
    outline-color 200ms ease;
}

.meter-track.knob-active .meter-seg-peak {
  background: #ffcc00;
  outline-color: rgba(255, 204, 0, 0.35);
}

.meter-seg-bg {
  flex: 1;
  min-width: 0;
  background: var(--vol-dark);
}

/* ── Overlays (browser + queue panel) ───────────────────────────────────────── */

#overlay-sheet {
  position: fixed;
  inset: 0;
  height: 100dvh;
  z-index: 100;
  overflow: hidden;
  visibility: hidden;
  display: flex;
  flex-direction: column;
  /* visibility delay matches the longest close animation (panels: 210ms) */
  transition: visibility 0s ease 220ms;
}

#overlay-sheet.open {
  visibility: visible;
  transition: visibility 0s ease 0s;
}

.dual-panels {
  flex: 1;
  min-height: 0;
  position: relative;
}

.overlay-panel {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--text);
  background: linear-gradient(180deg, #e9e0e3 0%, #f5eef0 36%, #f1e9eb 100%);
  box-shadow:
    inset 0 0 0 calc(var(--ts) * 0.45) #d7d4d7,
    inset 0 0 0 calc(var(--ts) * 0.62) #bbb9bc;
}

#panel-queue {
  left: 0;
  z-index: 1;
  transform: translateX(-100%);
  transition: transform 210ms ease-in;
}

#panel-browser {
  right: 0;
  z-index: 1;
  transform: translateX(100%);
  transition: transform 210ms ease-in;
}

/* Panels slide in from their sides as the sheet opens */
#overlay-sheet.open #panel-queue,
#overlay-sheet.open #panel-browser {
  transform: translateX(0);
  transition: transform 260ms cubic-bezier(0.2, 0, 0.5, 1);
}

/* Focused panel rises; directional shadow falls toward the peeking strip */
#overlay-sheet.focus-browser #panel-browser {
  z-index: 2;
  box-shadow:
    -10px 0 20px rgba(0, 0, 0, 0.32),
    inset 0 0 0 calc(var(--ts) * 0.45) #d7d4d7,
    inset 0 0 0 calc(var(--ts) * 0.62) #bbb9bc;
}

#overlay-sheet.focus-queue #panel-queue {
  z-index: 2;
  box-shadow:
    10px 0 20px rgba(0, 0, 0, 0.32),
    inset 0 0 0 calc(var(--ts) * 0.45) #d7d4d7,
    inset 0 0 0 calc(var(--ts) * 0.62) #bbb9bc;
}

.sheet-footer {
  flex-shrink: 0;
  transform: translateY(100%);
  transition: transform 220ms ease-in;
}

#overlay-sheet.open .sheet-footer {
  transform: translateY(0);
  transition: transform 270ms cubic-bezier(0.2, 0, 0.5, 1);
}

.sheet-actions {
  display: flex;
  gap: calc(var(--ts) * 0.65);
  padding: calc(var(--ts) * 0.55) calc(var(--ts) * 0.75);
  padding-bottom: calc(var(--ts) * 0.55 + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, #eeeceb 0%, #e0dedf 100%);
  border-top: 1px solid #ccc9cb;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.nav-up-btn {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--label-text);
  font-size: calc(var(--ts) * 1.6);
  line-height: 1;
  padding: 0 calc(var(--ts) * 0.7) 0 calc(var(--ts) * 0.4);
  min-width: calc(var(--ts) * 3.5);
  min-height: calc(var(--ts) * 3.5);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  visibility: hidden;
  -webkit-tap-highlight-color: transparent;
}

.nav-up-btn.visible {
  visibility: visible;
}

.overlay-navbar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding-top: env(safe-area-inset-top, 0px);
  min-height: calc(var(--ts) * 3.5);
  background: linear-gradient(180deg, #f8f6f7 0%, #eeeceb 42%, #e8e5e7 100%);
  border-bottom: 1px solid #c8c5c7;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.65),
    inset 0 -1px 0 rgba(120, 118, 122, 0.18);
}

/* ── Navbar tab labels ───────────────────────────────────────────────────────── */

.nav-tab {
  display: flex;
  align-items: center;
  font-size: calc(var(--ts) * 0.82);
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
  text-shadow: none;
  padding: calc(var(--ts) * 0.35) calc(var(--ts) * 1);
}

.nav-tab-right {
  margin-left: auto;
  padding-right: 11px;
  border-radius: calc(var(--ts) * 0.275) 0 0 calc(var(--ts) * 0.275);
}

.nav-tab-left {
  border-radius: 0 calc(var(--ts) * 0.275) calc(var(--ts) * 0.275) 0;
}

.nav-tab-library,
.nav-tab-queue {
  background: rgba(190, 190, 190, 0.57);
}

.overlay-btn {
  --ov-btn-fade: rgba(0, 192, 232, 0.64);
  --ov-btn-pure: #00c0e8;
  position: relative;
  background: var(--btn-outer);
  border: none;
  border-radius: var(--radius);
  padding: calc(var(--ts) * 0.23);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.overlay-btn-stack {
  width: 100%;
  height: 100%;
  min-height: calc(var(--ts) * 2.5);
  background: var(--btn-body);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.overlay-btn-color-fade {
  height: calc(var(--ts) * 0.55);
  width: calc(100% - 4px);
  background: var(--ov-btn-fade);
  transition: height 220ms cubic-bezier(0.65, 0, 1, 1);
}

.overlay-btn-color-pure {
  height: calc(var(--ts) * 0.37);
  width: calc(100% - 4px);
  background: var(--ov-btn-pure);
  transition: height 220ms cubic-bezier(0.65, 0, 1, 1);
}

.overlay-btn-top-edge {
  height: calc(var(--ts) * 0.28);
  width: 100%;
  background: var(--btn-top);
  transition: height 220ms cubic-bezier(0.65, 0, 1, 1);
}

.overlay-btn-face {
  height: calc(var(--ts) * 1.46);
  width: 100%;
  background: var(--btn-face);
  transition: height 220ms cubic-bezier(0.65, 0, 1, 1);
}

.overlay-btn-bot-edge {
  height: calc(var(--ts) * 0.37);
  width: 100%;
  background: var(--btn-bot);
}

.overlay-btn-label {
  position: absolute;
  left: 50%;
  bottom: calc(var(--ts) * 0.52);
  transform: translateX(-50%);
  color: var(--label-text);
  font-family: inherit;
  font-size: calc(var(--ts) * 0.8);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  line-height: 1;
  pointer-events: none;
}

.overlay-btn.btn-tapping .overlay-btn-color-fade {
  height: calc(var(--ts) * 0.625);
  transition: height 60ms ease-out;
}
.overlay-btn.btn-tapping .overlay-btn-color-pure {
  height: calc(var(--ts) * 1.875);
  transition: height 60ms ease-out;
}
.overlay-btn.btn-tapping .overlay-btn-top-edge {
  height: calc(var(--ts) * 0.1);
  transition: height 60ms ease-out;
}
.overlay-btn.btn-tapping .overlay-btn-face {
  height: calc(var(--ts) * 0.1);
  transition: height 60ms ease-out;
}

.overlay-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.overlay-btn.overlay-btn-neutral {
  --ov-btn-fade: rgba(80, 84, 89, 0.62);
  --ov-btn-pure: #4f5458;
  color: #2f3438;
}

.overlay-btn.overlay-btn-red {
  --ov-btn-fade: rgba(196, 52, 46, 0.66);
  --ov-btn-pure: #bf332d;
  color: #6a211c;
}

.overlay-btn.overlay-btn-green {
  --ov-btn-fade: rgba(52, 199, 89, 0.62);
  --ov-btn-pure: #34c759;
  color: #1f5a32;
}

.nav-btn {
  min-width: calc(var(--ts) * 2.6);
  min-height: calc(var(--ts) * 2.15);
  flex-shrink: 0;
}

.nav-btn-icon {
  min-width: calc(var(--ts) * 2.75);
}

.nav-btn-icon .overlay-btn-label {
  font-size: calc(var(--ts) * 1.05);
  letter-spacing: 0;
  text-transform: none;
}

.nav-btn-text {
  min-width: calc(var(--ts) * 4.2);
  font-size: calc(var(--ts) * 0.78);
  font-weight: 600;
}

.nav-btn-done {
  font-weight: 700;
}

.nav-spacer {
  width: calc(var(--ts) * 4.2);
  min-height: calc(var(--ts) * 2.2);
  flex-shrink: 0;
}

.qp-top-action,
.qp-top-spacer {
  flex: 0 0 calc(var(--ts) * 6.8);
}

.qp-top-action {
  display: flex;
  align-items: center;
  gap: calc(var(--ts) * 0.32);
}

.qp-top-action .nav-btn {
  min-width: calc(var(--ts) * 3.5);
  min-height: calc(var(--ts) * 2.15);
}

.qp-top-action-label {
  font-size: calc(var(--ts) * 0.76);
  font-weight: 600;
  color: #f1f1f1;
  letter-spacing: 0.09em;
  text-transform: lowercase;
  white-space: nowrap;
  user-select: none;
}

#browser-items,
#qp-items {
  flex: 1;
  min-height: 0;
  height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 calc(var(--ts) * 0.28);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  box-shadow: inset 0 3px 6px rgba(0, 0, 0, 0.09);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0) 22%),
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent calc(var(--ts) * 2.6),
      rgba(137, 132, 135, 0.09) calc(var(--ts) * 2.6),
      rgba(137, 132, 135, 0.09) calc(var(--ts) * 2.66)
    );
}

.btn-primary,
#btn-sheet-close {
  flex: 1.5;
  min-height: calc(var(--ts) * 3);
  white-space: nowrap;
}

#btn-sheet-clear {
  flex: 1;
  min-height: calc(var(--ts) * 3);
  white-space: nowrap;
}

.qp-action-labels {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: calc(var(--ts) * 0.65);
  padding: calc(var(--ts) * 0.35) calc(var(--ts) * 0.75) 0;
  background: linear-gradient(180deg, #ffffff 0%, #f5f5f5 100%);
  border-top: 1px solid #dadada;
}

.qp-action-label-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 0 calc(var(--ts) * 0.35);
  font-size: calc(var(--ts) * 0.85);
  font-weight: 600;
  color: var(--label-text);
  letter-spacing: 0.1em;
  white-space: nowrap;
  text-transform: lowercase;
  user-select: none;
}

.qp-action-label-icon {
  font-style: normal;
  font-size: calc(var(--ts) * 0.9);
  line-height: 1;
}

.browser-status {
  padding: calc(var(--ts) * 1.2) calc(var(--ts) * 1);
  color: var(--subtle);
  font-size: calc(var(--ts) * 0.92);
  text-align: center;
  letter-spacing: 0.03em;
}

.browser-item {
  display: flex;
  align-items: center;
  gap: calc(var(--ts) * 0.2);
  padding: calc(var(--ts) * 0.65) calc(var(--ts) * 0.85);
  min-height: calc(var(--ts) * 2.95);
  border-bottom: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  color: var(--text);
}

.browser-item:active {
  background: linear-gradient(180deg, #171b24 0%, #0d1017 100%);
  color: var(--track-text);
}

.browser-item.is-file {
  cursor: default;
  background: transparent;
}

.browser-item.is-file:active {
  background: linear-gradient(180deg, #ece5e8 0%, #ddd6d9 100%);
  color: var(--text);
}

.browser-item-icon {
  width: calc(var(--ts) * 1.5);
  height: calc(var(--ts) * 1.65);
  border: 1px solid #5f5d62;
  border-radius: 2px;
  background: #00c0e8;
  color: #1d2024;
  font-size: calc(var(--ts) * 0.58);
  font-weight: 700;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.browser-item.is-folder .browser-item-icon {
  width: calc(var(--ts) * 1.5);
  height: auto;
  border: none;
  border-radius: 0;
  background: transparent;
  color: #565a5f;
  font-size: calc(var(--ts) * 1.02);
  letter-spacing: 0;
  line-height: 1;
  padding: 0 0 3px 0;
  filter: grayscale(1);
  align-self: center;
  transform: translateY(calc(var(--ts) * 0.07));
}

.browser-item.is-file .browser-item-icon {
  background: transparent;
  border: none;
  color: var(--subtle);
  font-size: calc(var(--ts) * 0.92);
}

.browser-item.is-loaded.is-folder .browser-item-icon {
  filter: sepia(1) hue-rotate(85deg) saturate(4) brightness(0.77); /* similar to play button green */
}

.browser-item-name {
  flex: 1;
  font-size: calc(var(--ts) * 0.9);
  font-weight: 600;
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-item.is-file .browser-item-name {
  color: var(--subtle);
  font-size: calc(var(--ts) * 0.84);
}

.browser-item-chevron {
  color: #7b7c80;
  font-size: calc(var(--ts) * 1.15);
  flex-shrink: 0;
  line-height: 1;
  margin-right: 4px;
}

.qp-summary {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(var(--ts) * 0.4);
  padding: calc(var(--ts) * 0.4) calc(var(--ts) * 0.95);
  margin: 0;
  min-height: calc(var(--ts) * 2.2);
  border-bottom: 1px solid #545356;
  background: linear-gradient(180deg, #091012 0%, #071015 100%);
}

.qp-summary-stat {
  font-size: calc(var(--ts) * 0.78);
  font-weight: 600;
  color: #f0f0f0;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}

.qp-summary-stat:last-child {
  color: var(--track-text);
}

/* ── Track list items (queue panel) ──────────────────────────────────────────── */

.track-item {
  display: flex;
  align-items: center;
  gap: calc(var(--ts) * 0.6);
  padding: calc(var(--ts) * 0.45) calc(var(--ts) * 0.95) calc(var(--ts) * 0.45) calc(var(--ts) * 0.1);
  min-height: calc(var(--ts) * 2.8);
  margin: 0 calc(var(--ts) * 0.19);
  background: linear-gradient(180deg, #f9f5f6 0%, #ece5e7 100%);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.track-item:active {
  filter: brightness(0.93);
}

.track-play {
  margin-left: calc(var(--ts) * 0.75);
  width: calc(var(--ts) * 0.7);
  flex-shrink: 0;
  text-align: center;
  font-size: calc(var(--ts) * 0.72);
  color: var(--track-text);
  visibility: hidden;
}

.track-item.active .track-play {
  visibility: visible;
}

.track-num {
  width: calc(var(--ts) * 1.6);
  flex-shrink: 0;
  text-align: right;
  font-size: calc(var(--ts) * 0.76);
  color: var(--subtle);
  font-variant-numeric: tabular-nums;
}

.track-num.playing {
  color: var(--track-text);
  font-size: calc(var(--ts) * 0.72);
  font-weight: 700;
}

.track-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.track-title {
  font-size: calc(var(--ts) * 0.9);
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-artist {
  font-size: calc(var(--ts) * 0.73);
  color: var(--subtle);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-artist:empty {
  display: none;
}

.track-item.active {
  background: linear-gradient(180deg, #161a22 0%, #0d1017 100%);
  border-bottom-color: #2f3239;
}

.track-item.active .track-title {
  color: var(--track-text);
}

.track-item.active .track-artist,
.track-item.active .track-dur,
.track-item.active .track-num {
  color: #d7d7d7;
}

.track-item.active .track-num.playing {
  color: var(--track-text);
}

.track-dur {
  font-size: calc(var(--ts) * 0.72);
  color: var(--subtle);
  white-space: nowrap;
  min-width: calc(var(--ts) * 2.5);
  text-align: right;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.track-item.section-header {
  display: block;
  padding: calc(var(--ts) * 0.52) calc(var(--ts) * 0.95) calc(var(--ts) * 0.35);
  min-height: auto;
  font-size: calc(var(--ts) * 0.85);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #f0f0f0;
  background: linear-gradient(180deg, #818083 0%, #666467 100%);
  border-top: 1px solid #a8a6a9;
  border-bottom: 1px solid #545356;
  cursor: default;
}

.queue-empty {
  color: var(--subtle);
  font-size: calc(var(--ts) * 0.9);
  text-align: center;
  line-height: 1.6;
  letter-spacing: 0.03em;
  padding: calc(var(--ts) * 2);
}

#qp-items.qp-items-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

#qp-items.qp-items-empty:active {
  filter: brightness(0.96);
}

/* ── Utilities ───────────────────────────────────────────────────────────────── */

.hidden {
  display: none !important;
}