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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-color, #ffffff);
  transition: background-color 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-container {
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
  overscroll-behavior-y: none;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  scroll-timeline-name: --page-scroll;
  scroll-timeline-axis: block;
}

.scroll-container::-webkit-scrollbar {
  display: none;
}

.wrap,
.menu {
  position: relative;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.scroll-hint {
  position: absolute;
  bottom: 5vh;
  bottom: 5dvh;
  left: 50%;
  transform: translateX(-50%);
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--logo-color, #000000);
  opacity: 0.45;
  transition: color 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  user-select: none;
}

@keyframes scroll-hint-fade {
  from { opacity: 0.45; }
  to { opacity: 0; }
}

@supports (scroll-timeline-name: --x) {
  .scroll-hint {
    position: fixed;
    animation: scroll-hint-fade linear both;
    animation-timeline: --page-scroll;
    animation-range: 0% 60%;
  }
}

.menu {
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  background: var(--bg-color, #ffffff);
  transition: background-color 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  overflow: hidden;
  contain: layout;
}

.menu-body {
  position: relative;
  flex: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.menu-list {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.menu-list.is-hidden {
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
}

.menu-list a {
  color: var(--logo-color, #000000);
  text-decoration: none;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
  outline: none;
}

.menu-list a:hover,
.menu-list a:focus-visible {
  opacity: 1;
  text-decoration: underline;
}

.detail-title-slot {
  position: absolute;
  top: 10vh;
  top: 10dvh;
  left: 50%;
  transform: translateX(-50%);
  touch-action: none;
}

.detail-close {
  position: absolute;
  top: 10vh;
  top: 10dvh;
  right: 6vw;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  line-height: 1;
  color: var(--logo-color, #000000);
  opacity: 0;
  pointer-events: none;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  transition: opacity 0.3s ease;
  z-index: 5;
}

.menu.has-detail-open .detail-close {
  opacity: 0.5;
  pointer-events: auto;
}

.menu.has-detail-open .detail-close:hover,
.menu.has-detail-open .detail-close:focus-visible {
  opacity: 1;
}

.detail-title-slot a {
  display: block;
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--logo-color, #000000);
  text-decoration: underline;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  outline: none;
}

.detail-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12vw;
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.detail-content.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.detail-content-music {
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 1.1rem;
  padding: 17dvh 24px 0;
}

.player-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.9rem;
  width: 100%;
  max-width: 420px;
}

.player-cover {
  width: min(56vw, 220px);
  height: min(56vw, 220px);
  flex: none;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.player-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.player-header-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

@media (min-width: 700px) {
  .player-header {
    flex-direction: row;
    text-align: left;
  }

  .player-cover {
    width: 150px;
    height: 150px;
  }

  .player-header-info {
    align-items: flex-start;
  }
}

.player-header-title {
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  color: var(--logo-color, #000000);
}

.player-header-meta {
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  color: var(--logo-color, #000000);
  opacity: 0.5;
}

.player-header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.15rem;
}

.track-list {
  list-style: none;
  counter-reset: tracknum;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
  max-height: 38vh;
  overflow-y: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  touch-action: none;
  width: min(56vw, 220px);
}

@media (min-width: 700px) {
  .track-list {
    width: 150px;
  }
}

.track-list::-webkit-scrollbar {
  display: none;
}

.track-list li {
  counter-increment: tracknum;
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}

.track-list li::before {
  content: counter(tracknum);
  flex: none;
  width: 1.1em;
  text-align: right;
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  color: var(--logo-color, #000000);
  opacity: 0.3;
}

.track-list button {
  background: none;
  border: none;
  padding: 0.1rem 0;
  text-align: left;
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--logo-color, #000000);
  opacity: 0.5;
  cursor: pointer;
  transition: opacity 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  outline: none;
}

.track-list button:hover,
.track-list button:focus-visible {
  opacity: 1;
  text-decoration: underline;
}

.track-list button.is-playing {
  opacity: 1;
  text-decoration: underline;
}

.track-list button.is-loading,
.mini-player-icon.is-loading {
  animation: track-pulse 1s ease-in-out infinite;
}

@keyframes track-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.9; }
}

.player-btn {
  background: none;
  border: none;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--logo-color, #000000);
  opacity: 0.5;
  cursor: pointer;
  transition: opacity 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  outline: none;
}

.player-btn:hover,
.player-btn:focus-visible {
  opacity: 1;
}

.player-toggle {
  font-size: 1.3rem;
}

.player-bar {
  position: relative;
  width: 100%;
  max-width: 220px;
  height: 2px;
  background: rgba(0, 0, 0, 0.15);
}

.player-bar-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: var(--logo-color, #000000);
}

.detail-content p {
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--logo-color, #000000);
  opacity: 0.65;
}

.menu-logo-slot {
  flex: none;
  width: 40px;
  height: auto;
  aspect-ratio: 2495 / 2025;
  opacity: 0;
  pointer-events: none;
}

.logo-size {
  width: 10.2vw;
  min-width: 68px;
  max-width: 187px;
  aspect-ratio: 2495 / 2025;
  height: auto;
}

@media (pointer: fine) and (hover: hover) {
  .logo-size {
    width: 7.14vw;
    min-width: 48px;
    max-width: 131px;
  }
}

.hero-logo-slot {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  pointer-events: none;
}

.logo {
  z-index: 10;
  aspect-ratio: 2495 / 2025;
  height: auto;
  cursor: pointer;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  background-color: var(--logo-color, #000000);
  -webkit-mask-image: url('../assets/Union.svg');
  mask-image: url('../assets/Union.svg');
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
  transition: background-color 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, background-color;
}

@keyframes logo-morph {
  from {
    transform: translate(var(--m-from-x, 0px), var(--m-from-y, 0px)) scale(var(--m-from-scale, 1));
  }
  to {
    transform: translate(var(--m-to-x, 0px), var(--m-to-y, 0px)) scale(var(--m-to-scale, 1));
  }
}

.logo.morph-driven {
  animation: logo-morph linear both;
  animation-timeline: --page-scroll;
}

.mini-player {
  position: fixed;
  top: 3vh;
  top: 3dvh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 70vw;
  padding: 0.3rem 0.8rem;
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--logo-color, #000000);
  opacity: 0;
  pointer-events: none;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 0.35s ease;
}

.mini-player.is-visible {
  opacity: 0.7;
  pointer-events: auto;
}

.mini-player.is-visible:hover {
  opacity: 1;
}

.mini-player-icon {
  flex: none;
  font-size: 0.7rem;
}

.mini-player-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 7px;
  height: 7px;
  margin-left: -3.5px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: #ffffff;
  mix-blend-mode: difference;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  will-change: transform;
}

.custom-cursor.is-visible {
  opacity: 1;
}

@media (pointer: fine) and (hover: hover) {
  html.has-custom-cursor,
  html.has-custom-cursor * {
    cursor: none !important;
  }
}