:root {
  --background: #080808;
  --surface: #141414;
  --text: #f7f7f7;
  --muted: #929292;
  --dim: #5c5c5c;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #f13eae;
  --track-height: 4px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 72%, rgba(241, 62, 174, 0.055), transparent 34rem),
    var(--background);
  color: var(--text);
  font-family: Arial, "Helvetica Neue", "Pretendard", "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

.experience,
.deck-view,
.selected-view {
  width: 100%;
  height: 100vh;
  position: relative;
}

.deck-view,
.selected-view {
  position: absolute;
  inset: 0;
}

.deck-view {
  opacity: 1;
  visibility: visible;
  transition:
    opacity 520ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.deck-view.is-gone {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.deck-view::before,
.deck-view::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: -22%;
  opacity: 0;
  pointer-events: none;
  will-change: opacity, transform;
}

.deck-view::before {
  background:
    radial-gradient(circle at 50% 58%, rgba(255, 255, 255, 0.11), transparent 17%),
    radial-gradient(circle at 50% 58%, rgba(241, 62, 174, 0.2), transparent 38%);
  filter: blur(12px);
  transform: scale(0.72);
  transition:
    opacity 680ms cubic-bezier(0.4, 0, 0.2, 1),
    transform 880ms cubic-bezier(0.16, 1, 0.3, 1);
}

.deck-view::after {
  display: none;
  background: repeating-conic-gradient(
    from 0deg at 50% 58%,
    transparent 0deg 5.4deg,
    rgba(255, 255, 255, 0.14) 5.8deg 6.15deg,
    transparent 6.55deg 10.8deg,
    rgba(241, 62, 174, 0.18) 11.15deg 11.55deg,
    transparent 11.95deg 17deg
  );
  filter: blur(0.7px);
  -webkit-mask-image: radial-gradient(circle at 50% 58%, transparent 0 23%, #000 39%, #000 60%, transparent 77%);
  mask-image: radial-gradient(circle at 50% 58%, transparent 0 23%, #000 39%, #000 60%, transparent 77%);
  transform-origin: 50% 58%;
}

.deck-view.is-spinning::before {
  opacity: 0.58;
  transform: scale(1);
}

.deck-brand {
  position: absolute;
  z-index: 20;
  top: clamp(34px, 7vh, 76px);
  left: 50%;
  margin: 0;
  color: #f7f7f7;
  font-size: clamp(2.7rem, 5.7vw, 5.6rem);
  font-weight: 720;
  line-height: 0.9;
  letter-spacing: -0.075em;
  text-shadow: 0 12px 42px rgba(0, 0, 0, 0.58);
  transform: translateX(-50%);
  user-select: none;
  pointer-events: none;
  animation: brand-enter 1100ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.deck-brand::after {
  content: ".";
  color: var(--accent);
  text-shadow: 0 0 24px rgba(241, 62, 174, 0.5);
}

@keyframes brand-enter {
  from {
    opacity: 0;
    filter: blur(8px);
    transform: translate3d(-50%, 18px, 0) scale(0.96);
  }

  to {
    opacity: 1;
    filter: blur(0);
    transform: translate3d(-50%, 0, 0) scale(1);
  }
}

.orbit-stage {
  width: min(1120px, 100vw);
  height: min(700px, 80vh);
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 58%;
  border: 0;
  background: transparent;
  cursor: pointer;
  transform: translate(-50%, -50%);
  perspective: 1200px;
  isolation: isolate;
}

.orbit-stage:disabled {
  cursor: default;
}

.orbit-shadow {
  width: min(720px, 65vw);
  height: 110px;
  position: absolute;
  left: 50%;
  top: 72%;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.8);
  filter: blur(35px);
  transform: translateX(-50%);
  pointer-events: none;
}

.orbit-card {
  width: 154px;
  aspect-ratio: 0.76;
  padding: 5px;
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 9px;
  background: #181818;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.52);
  transform-origin: center;
  will-change: transform, opacity;
  transition:
    border-color 440ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 560ms cubic-bezier(0.16, 1, 0.3, 1);
}

.orbit-card.is-near {
  border-color: rgba(255, 255, 255, 0.42);
  box-shadow: 0 24px 66px rgba(0, 0, 0, 0.68), 0 0 0 1px rgba(241, 62, 174, 0.2);
}

.deck-view.is-spinning .orbit-card {
  border-color: rgba(255, 255, 255, 0.24);
  transition-duration: 140ms;
}

.album-art {
  width: 100%;
  height: 100%;
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 5px;
  transform: translateZ(0);
  transition:
    transform 620ms cubic-bezier(0.16, 1, 0.3, 1),
    filter 620ms cubic-bezier(0.16, 1, 0.3, 1);
}

.orbit-card.is-near .album-art {
  filter: saturate(1.08) brightness(1.06);
  transform: translateY(-7px) scale(1.035);
}

.album-art > i,
.picked-index {
  position: absolute;
  z-index: 4;
  top: 13px;
  left: 14px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.53rem;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.13em;
  display: none;
}

.album-art.has-cover-image,
.picked-album.has-cover-image,
.flying-cover.has-cover-image {
  background-image: var(--cover-image);
  background-position: center;
  background-size: cover;
}

.album-art.has-cover-image::before,
.picked-album.has-cover-image::before,
.flying-cover.has-cover-image::before {
  display: none;
}

.cover-one,
.cover-two,
.cover-three,
.cover-four,
.cover-five,
.cover-six,
.cover-seven,
.cover-eight {
  isolation: isolate;
}

.cover-one {
  background:
    radial-gradient(circle at 72% 24%, rgba(255, 186, 224, 0.95) 0 8%, transparent 9%),
    linear-gradient(145deg, #a42070, #48122f 52%, #180d14);
}

.cover-one::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 75%;
  height: 42%;
  left: -12%;
  bottom: 14%;
  border-radius: 50%;
  background: #ef62b5;
  filter: blur(12px);
  transform: rotate(-18deg);
}

.cover-two {
  background:
    linear-gradient(25deg, transparent 0 47%, rgba(255,255,255,.18) 48% 49%, transparent 50%),
    linear-gradient(145deg, #d3a68d, #6e4136 58%, #261713);
}

.cover-two::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 21% 17%;
  border: 1px solid rgba(255, 238, 227, 0.66);
  border-radius: 50%;
}

.cover-three {
  background:
    radial-gradient(circle at 30% 72%, rgba(121, 204, 255, 0.72), transparent 24%),
    linear-gradient(135deg, #315e8f, #192e49 55%, #0d1625);
}

.cover-three::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 125%;
  height: 40%;
  left: -15%;
  top: 28%;
  border: 1px solid rgba(212, 238, 255, 0.28);
  border-radius: 50%;
  transform: rotate(28deg);
}

.cover-four {
  background:
    repeating-linear-gradient(90deg, transparent 0 15px, rgba(255,255,255,.09) 16px 17px),
    linear-gradient(155deg, #9f8164, #43352c 58%, #1d1714);
}

.cover-four::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 58%;
  aspect-ratio: 1;
  right: -12%;
  bottom: -4%;
  border-radius: 50%;
  background: #d0ae8d;
  opacity: 0.42;
}

.cover-five {
  background:
    linear-gradient(45deg, transparent 48%, rgba(255,255,255,.25) 49% 50%, transparent 51%),
    linear-gradient(135deg, #a9adb9, #535660 52%, #24262d);
}

.cover-five::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 48%;
  height: 130%;
  left: 28%;
  top: -14%;
  background: rgba(23, 24, 30, 0.62);
  transform: rotate(22deg);
}

.cover-six {
  background:
    radial-gradient(circle at 50% 50%, transparent 0 18%, rgba(255,255,255,.13) 19% 20%, transparent 21%),
    linear-gradient(150deg, #ca718e, #6b3045 57%, #25131a);
}

.cover-six::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 70%;
  aspect-ratio: 1;
  left: 15%;
  top: 18%;
  border-radius: 50%;
  background: rgba(255, 194, 214, 0.22);
}

.cover-seven {
  background:
    radial-gradient(ellipse at 32% 28%, rgba(206, 232, 190, 0.38), transparent 26%),
    linear-gradient(145deg, #718c6b, #33442f 56%, #172015);
}

.cover-seven::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 2px;
  height: 80%;
  left: 53%;
  top: 10%;
  background: rgba(234, 255, 223, 0.42);
  box-shadow: -20px 10px 0 rgba(234,255,223,.12), 25px -8px 0 rgba(234,255,223,.18);
  transform: rotate(19deg);
}

.cover-eight {
  background:
    conic-gradient(from 210deg at 64% 38%, transparent, rgba(213, 176, 255, 0.46), transparent 36%),
    linear-gradient(140deg, #80609e, #412d56 58%, #1d1427);
}

.cover-eight::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 84%;
  height: 30%;
  left: 7%;
  bottom: 18%;
  border: 1px solid rgba(240, 220, 255, 0.34);
  border-radius: 50%;
  transform: rotate(-13deg);
}

.selected-view {
  z-index: 10;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: scale(0.985);
  transition:
    opacity 580ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 840ms cubic-bezier(0.16, 1, 0.3, 1),
    visibility 580ms;
}

.selected-view.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
}

.player-layout {
  width: min(980px, 90vw);
  display: grid;
  grid-template-columns: minmax(300px, 430px) minmax(300px, 1fr);
  align-items: center;
  gap: clamp(48px, 7vw, 96px);
  transform: translateX(-3vw);
}

.picked-album {
  width: 100%;
  aspect-ratio: 1;
  position: relative;
  overflow: hidden;
  border-radius: 7px;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.62);
  transition:
    transform 900ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 900ms cubic-bezier(0.16, 1, 0.3, 1);
}

.picked-index {
  top: 18px;
  left: 19px;
}

.player-panel {
  min-width: 0;
  padding-top: 4px;
  opacity: 0;
  transform: translate3d(34px, 0, 0);
  transition:
    opacity 580ms cubic-bezier(0.22, 1, 0.36, 1) 150ms,
    transform 880ms cubic-bezier(0.16, 1, 0.3, 1) 120ms;
}

.selected-view.is-visible .player-panel {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.track-copy > span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.track-copy h1 {
  margin: 9px 0 0;
  font-size: clamp(2.8rem, 5vw, 5.1rem);
  line-height: 0.96;
  letter-spacing: -0.075em;
  word-break: keep-all;
}

.track-copy p {
  min-height: 0.7rem;
  margin: 14px 0 0;
  color: var(--dim);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.transport-row {
  margin-top: clamp(42px, 7vh, 72px);
  display: flex;
  align-items: center;
  gap: 18px;
}

.play-button,
.redraw-button,
.loop-button {
  border: 0;
  cursor: pointer;
}

.play-button {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 12px 30px rgba(241, 62, 174, 0.22);
  transition: transform 180ms ease, background 180ms ease;
}

.play-button:hover,
.play-button:focus-visible {
  background: #ff59bd;
  transform: scale(1.06);
}

.play-button span {
  width: 0;
  height: 0;
  margin-left: 4px;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid #250116;
}

.selected-view.is-playing .play-button span {
  width: 11px;
  height: 14px;
  margin: 0;
  border: 0;
  border-left: 3px solid #250116;
  border-right: 3px solid #250116;
}

.timeline {
  min-width: 0;
  flex: 1;
}

input[type="range"] {
  --progress: 0%;
  width: 100%;
  height: 30px;
  margin: 0;
  display: block;
  appearance: none;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--text) var(--progress), #3c3c3c var(--progress)) center / 100% var(--track-height) no-repeat;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  width: 12px;
  height: 12px;
  appearance: none;
  border: 0;
  border-radius: 50%;
  background: #fff;
  opacity: 0;
  transition: opacity 160ms ease, transform 160ms ease;
}

input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  opacity: 0;
}

input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:focus-visible::-webkit-slider-thumb,
input[type="range"]:hover::-moz-range-thumb,
input[type="range"]:focus-visible::-moz-range-thumb {
  opacity: 1;
}

.time-row {
  margin-top: -2px;
  display: flex;
  justify-content: space-between;
  color: #666;
  font-size: 0.59rem;
  font-variant-numeric: tabular-nums;
}

.secondary-controls {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.utility-controls {
  display: flex;
  align-items: center;
  gap: 9px;
}

.redraw-button,
.loop-button {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #8d8d8d;
  transition:
    color 220ms ease,
    transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.redraw-button svg,
.loop-button svg {
  width: 17px;
  height: 17px;
  transition: transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.redraw-button:hover,
.redraw-button:focus-visible,
.loop-button:hover,
.loop-button:focus-visible {
  color: #fff;
  transform: translateY(-1px);
}

.redraw-button:hover svg,
.redraw-button:focus-visible svg {
  transform: rotate(90deg);
}

.redraw-button:active,
.loop-button:active {
  transform: translateY(0) scale(0.94);
}

.loop-button.is-active {
  color: var(--accent);
}

.loop-button.is-active:hover,
.loop-button.is-active:focus-visible {
  color: #ff6bc5;
}

.redraw-button.is-animating svg {
  animation: redraw-turn 620ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes redraw-turn {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.volume-control {
  width: 164px;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 9px;
}

.volume-control input {
  --progress: 78%;
  min-width: 0;
  flex: 1;
  transition: opacity 180ms ease;
}

.volume-control input::-webkit-slider-thumb {
  width: 12px;
  height: 12px;
  opacity: 1;
}

.volume-control input::-moz-range-thumb {
  width: 12px;
  height: 12px;
  opacity: 1;
}

.volume-button {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #929292;
  cursor: pointer;
  transition:
    color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.volume-button svg {
  width: 20px;
  height: 20px;
  display: block;
}

.volume-button:hover,
.volume-button:focus-visible {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
}

.volume-button:active {
  transform: scale(0.92);
}

.volume-wave,
.mute-mark {
  transform-origin: 18px 12px;
  transition:
    opacity 180ms ease,
    transform 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

.mute-mark {
  opacity: 0;
  transform: scale(0.72);
}

.volume-control.is-low .volume-wave-outer {
  opacity: 0;
  transform: scale(0.72);
}

.volume-control.is-muted .volume-wave {
  opacity: 0;
  transform: scale(0.72);
}

.volume-control.is-muted .mute-mark {
  opacity: 1;
  transform: scale(1);
}

.volume-control.is-muted input {
  opacity: 0.48;
}

.impact-flash {
  position: fixed;
  z-index: 800;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.95), rgba(241, 62, 174, 0.42) 18%, transparent 55%);
  opacity: 0;
  pointer-events: none;
}

.particle-layer {
  position: fixed;
  z-index: 850;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.impact-particle {
  width: var(--size);
  height: calc(var(--size) * 0.28);
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 999px;
  background: var(--color);
  box-shadow: 0 0 12px var(--color);
}

.impact-ring {
  width: 88px;
  height: 88px;
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  box-shadow:
    0 0 28px rgba(241, 62, 174, 0.42),
    inset 0 0 22px rgba(241, 62, 174, 0.18);
  will-change: transform, opacity;
}

.flying-cover {
  position: fixed;
  z-index: 900;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background-color: #171717;
  box-shadow: 0 35px 110px rgba(0, 0, 0, 0.78);
  pointer-events: none;
  will-change: left, top, width, height, transform;
}

:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

@media (max-width: 760px) {
  .deck-brand {
    top: clamp(30px, 7vh, 56px);
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .orbit-stage {
    height: 70vh;
    top: 57%;
  }

  .orbit-card {
    width: 108px;
    border-radius: 7px;
  }

  .player-layout {
    width: min(88vw, 430px);
    grid-template-columns: 1fr;
    gap: 31px;
    transform: none;
  }

  .picked-album {
    width: min(76vw, 330px);
    justify-self: start;
  }

  .player-panel {
    width: 100%;
  }

  .track-copy h1 {
    margin-top: 6px;
    font-size: clamp(2.15rem, 11vw, 3.3rem);
  }

  .track-copy p {
    margin-top: 9px;
  }

  .transport-row {
    margin-top: 26px;
  }

  .play-button {
    width: 46px;
    height: 46px;
  }

  .secondary-controls {
    margin-top: 18px;
  }
}

@media (max-height: 720px) and (min-width: 761px) {
  .player-layout {
    width: min(850px, 88vw);
    grid-template-columns: minmax(280px, 350px) minmax(280px, 1fr);
  }

  .transport-row {
    margin-top: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}