:root {
  --ink: #f4efff;
  --mute: #9a8fd0;
  --faint: #5f559c;
  --lav: #cdbdff;
  --pix: #fff;
  --display: "Pixelify Sans", "VT323", monospace;
  --ui: "VT323", "Pixelify Sans", monospace;
  --sill-px: 90px;
  --duo-top-px: 330px;
  --inset-px: 80px;
  --curt-px: 70px; --cluster-px: 700px;
  --pad: clamp(18px, 4vw, 64px);
  --panel: none; --btn: none;
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body { background: #04061a; color: var(--ink); font-family: var(--ui); font-size: 20px; overflow: hidden; -webkit-font-smoothing: none; font-smooth: never; }

#scene { position: fixed; z-index: 0; display: block; image-rendering: pixelated; image-rendering: crisp-edges; image-rendering: -moz-crisp-edges; }

button { font: inherit; color: inherit; }
svg { shape-rendering: crispEdges; }
.bare {
  appearance: none; border: 0; background: none; cursor: pointer; width: 52px; height: 52px; display: grid; place-items: center; color: var(--mute);
}
.bare svg { height: 22px; width: auto; fill: currentColor; }
.bare { position: relative; }
.bare:hover { color: #fff; box-shadow: inset 0 0 0 2px #3b3178; background: rgba(143, 108, 240, .14); }
.bare:active { transform: translateY(2px); background: rgba(143, 108, 240, .28); }
.bare[aria-pressed="true"] { color: #ffd98a; }
:focus-visible { outline: 2px dashed var(--lav); outline-offset: 3px; }

/* top */
.top {
  position: fixed; z-index: 6; left: 0; right: 0; top: 0; padding: calc(env(safe-area-inset-top) + 16px) var(--pad) 0;
  display: flex; justify-content: space-between; align-items: center;
  opacity: 0; transition: opacity 1.2s steps(6) 1.2s;
}
body.on .top { opacity: 1; }
.brand, .hint { font-size: 20px; letter-spacing: .16em; text-transform: uppercase; color: var(--mute); text-shadow: 2px 2px 0 #0a0620; white-space: nowrap; }
.top-r { display: flex; align-items: center; gap: 12px; }
.hint { opacity: 0; animation: hint 1s steps(4) 5s forwards; }
@keyframes hint { to { opacity: .9; } }
body.clicked .hint { display: none; }
@media (max-width: 600px) { .hint { display: none; } .brand { font-size: 18px; letter-spacing: .1em; } }

/* animated title */
.title { position: fixed; z-index: 6; top: calc(env(safe-area-inset-top) + 7svh); left: 0; right: 0; text-align: center; pointer-events: none; font-family: var(--display); font-weight: 700; font-size: clamp(30px, 4.4vw, 64px); line-height: 1.05; color: #fff; opacity: 0; transition: opacity .6s steps(5) .8s; --o: #0a0620; }
body.on .title { opacity: 1; }
.title .tw { display: inline-block; white-space: nowrap; }
.title .c { display: inline-block; white-space: pre; animation: wave 2.4s steps(6) infinite, hue 6s steps(6) infinite; animation-delay: calc(var(--i) * 110ms); text-shadow: 4px 0 var(--o), -4px 0 var(--o), 0 4px var(--o), 0 -4px var(--o), 4px 4px var(--o), -4px 4px var(--o), 4px -4px var(--o), -4px -4px var(--o), 7px 7px 0 #5530b4; }
@keyframes wave { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes hue { 0%, 100% { color: #fff; } 50% { color: #e4d6ff; } }
@media (prefers-reduced-motion: reduce) { .title .c { animation: none; } }
@media (max-width: 899px) { .title { top: calc(env(safe-area-inset-top) + 8svh); } }

/* dock: the player is a little game-UI panel, framed like the rest of the scene */
.dock {
  position: fixed; z-index: 7; left: var(--pad); right: var(--pad);
  bottom: calc(var(--duo-top-px) + 12px);
  padding: 12px 16px 10px;
  border: 9px solid transparent; border-image: var(--panel) 3 fill / 9px / 0 stretch;
  image-rendering: pixelated;
  opacity: 0; transform: translateY(18px); transition: opacity 1.2s steps(6) 1.4s, transform 1.2s steps(6) 1.4s;
}
.dock::before { /* faint violet breathing behind the frame while music plays */
  content: ""; position: absolute; inset: -5px; z-index: -1; background: rgba(143, 108, 240, .16); opacity: 0; pointer-events: none;
}
body.playing .dock::before { animation: breathe 1.6s steps(3) infinite alternate; }
@keyframes breathe { from { opacity: .25; } to { opacity: 1; } }
body.on .dock { opacity: 1; transform: none; }
@media (min-width: 900px) { .dock { right: auto; left: 50%; width: min(940px, calc(100vw - 2 * var(--inset-px) - 40px)); bottom: auto; top: 22svh; translate: -50% 0; } }
.dock-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.meta { display: flex; align-items: center; gap: 14px; min-width: 0; flex: 1 1 auto; }
.cover-wrap { flex: none; position: relative; width: 96px; height: 96px; border: 3px solid #05040f; box-shadow: 0 0 0 3px #6f58c8, 4px 4px 0 3px #05040f; }
.cover { display: block; width: 100%; height: 100%; image-rendering: pixelated; }
.cover-wrap::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255, 255, 255, .16) 0 18%, transparent 18%); pointer-events: none; }
body.playing .cover-wrap { animation: nudge 2.4s steps(2) infinite; }
@keyframes nudge { 50% { transform: translateY(-2px); } }
.meta-t { min-width: 0; }
.k { font-size: 20px; letter-spacing: .34em; text-transform: uppercase; color: var(--faint); line-height: 1; }
.t { margin-top: 4px; font-family: var(--display); font-weight: 600; font-size: 32px; line-height: 1.1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-shadow: 2px 2px 0 #0a0620; }
.s { margin-top: 5px; display: flex; align-items: center; gap: 10px; font-size: 22px; letter-spacing: .24em; text-transform: uppercase; color: var(--mute); line-height: 1; }
body.playing .s { color: var(--lav); }
body.playing #sub::after { content: ""; display: inline-block; width: 1.4em; text-align: left; animation: dots 1.2s steps(1) infinite; }
@keyframes dots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }
.eq { width: 42px; height: 21px; image-rendering: pixelated; flex: none; }
.transport { display: flex; align-items: center; gap: 2px; flex: none; }
.play {
  appearance: none; cursor: pointer; margin: 0 10px; width: 84px; height: 84px; display: grid; place-items: center; color: #1a0f45;
  border: 9px solid transparent; border-image: var(--btn) 3 fill / 9px / 0 stretch; image-rendering: pixelated; background: none;
}
.play:hover { filter: brightness(1.15); }
.play:active { transform: translateY(3px); filter: brightness(.9); }
.play svg { height: 26px; width: auto; fill: currentColor; grid-area: 1/1; }
.play .i-pause { display: none; }
body.playing .play .i-play { display: none; }
body.playing .play .i-pause { display: block; }
.vol { display: flex; align-items: center; gap: 8px; margin-left: 10px; color: var(--mute); }
.vol svg { height: 20px; width: auto; fill: currentColor; }
#vol { width: 88px; -webkit-appearance: none; appearance: none; background: transparent; height: 24px; cursor: pointer; }
#vol::-webkit-slider-runnable-track { height: 4px; background: linear-gradient(90deg, var(--lav) var(--v, 85%), #3b3178 0); }
#vol::-webkit-slider-thumb { -webkit-appearance: none; width: 8px; height: 12px; background: #fff; margin-top: -4px; border: 0; border-radius: 0; }
#vol::-moz-range-track { height: 4px; background: #3b3178; }
#vol::-moz-range-progress { height: 4px; background: var(--lav); }
#vol::-moz-range-thumb { width: 8px; height: 12px; border: 0; border-radius: 0; background: #fff; }

.wave-row { display: flex; align-items: center; gap: 10px; margin-top: 6px; }
.time { font-size: 24px; letter-spacing: .08em; color: var(--mute); width: 48px; font-variant-numeric: tabular-nums; }
.time:last-child { text-align: right; }
.wave-wrap { position: relative; flex: 1; height: 64px; }
#wave, #seek { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#wave { image-rendering: pixelated; }
#seek { opacity: 0; cursor: pointer; margin: 0; }

.toast { position: fixed; z-index: 30; left: 50%; top: 20px; translate: -50% 0; padding: 8px 16px; background: #0c0830; border: 3px solid #6f58c8; font-size: 20px; opacity: 0; pointer-events: none; }
.toast.show { opacity: 1; }

/* gate */
.gate {
  position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; text-align: center;
  background: linear-gradient(rgba(3, 4, 16, .82), rgba(3, 4, 16, .82));
  transition: opacity .3s steps(3), visibility 0s .3s;
}
body.on .gate { opacity: 0; visibility: hidden; pointer-events: none; }
body.on .gate-in { transform: translateY(-14px); transition: transform .3s steps(3); }
.gate-in { display: flex; flex-direction: column; align-items: center; padding: 24px; }
.eyebrow { font-size: 22px; letter-spacing: .3em; text-transform: uppercase; color: var(--mute); margin-bottom: 18px; text-shadow: 2px 2px 0 #0a0620; }
.gate h1 {
  font-family: var(--display); font-weight: 700; font-size: clamp(42px, 9vw, 104px); line-height: 1.05; color: #fff;
  text-shadow: 4px 0 #0a0620, -4px 0 #0a0620, 0 4px #0a0620, 0 -4px #0a0620, 4px 4px #0a0620, -4px 4px #0a0620, 4px -4px #0a0620, -4px -4px #0a0620, 8px 8px 0 #5530b4, 4px 8px 0 #5530b4, 8px 4px 0 #5530b4;
}
#gateBtn {
  appearance: none; cursor: pointer; margin-top: clamp(28px, 6svh, 52px); width: 78px; height: 78px; display: grid; place-items: center; color: #1a0f45; background: none;
  border: 9px solid transparent; border-image: var(--btn) 3 fill / 9px / 0 stretch; image-rendering: pixelated;
  animation: bob 1.2s steps(2) infinite;
}
@keyframes bob { 50% { transform: translateY(-4px); } }
#gateBtn:hover { filter: brightness(1.15); }
#gateBtn svg { height: 28px; width: auto; fill: currentColor; }
.enter { margin-top: 12px; font-size: 22px; letter-spacing: .4em; text-transform: uppercase; color: var(--mute); padding-left: .4em; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

@media (max-height: 640px) and (max-width: 899px) { .dock { bottom: calc(var(--sill-px) + 12px); } }
@media (prefers-reduced-motion: reduce) { #gateBtn, .enter, .hint { animation: none; } .hint { opacity: .9; } }

/* debug: #ui skips the intro choreography */
body.dbg *, body.dbg *::before { transition: none !important; animation-delay: 0s !important; }

/* phones: a vertical poster. Title over the sky, the two of them on the city, a compact player floating on the ledge */
#sabProbe { position: fixed; left: 0; top: 0; width: 0; height: 0; visibility: hidden; padding-bottom: env(safe-area-inset-bottom); }
@media (max-width: 899px) {
  .title { top: calc(env(safe-area-inset-top) + 4svh); font-size: clamp(30px, 10.2vw, 62px); line-height: 1.04; padding: 0 var(--pad); }
  .title .tl { display: block; }
  .dock { left: 14px; right: 14px; bottom: calc(env(safe-area-inset-bottom) + 14px); padding: 4px 6px 2px; }
  .dock-row { flex-wrap: nowrap; gap: 6px; }
  .meta { flex: 1 1 auto; gap: 10px; }
  .cover-wrap { width: 56px; height: 56px; box-shadow: 0 0 0 3px #6f58c8, 3px 3px 0 3px #05040f; }
  .k { display: none; }
  .t { margin-top: 0; font-size: 20px; line-height: 1.05; white-space: normal; }
  .s { margin-top: 4px; font-size: 17px; gap: 6px; letter-spacing: .18em; }
  .eq { width: 28px; height: 14px; }
  .transport { flex: none; gap: 0; }
  #btnLoop, .vol { display: none; }
  .bare { width: 40px; height: 44px; }
  .play { width: 58px; height: 58px; margin: 0 2px; }
  .wave-row { margin-top: 2px; }
  .wave-wrap { height: 34px; }
  .time { font-size: 18px; width: 36px; }
}
@media (max-width: 359px) {
  #btnBack, #btnFwd { display: none; }
  .cover-wrap { width: 48px; height: 48px; }
  .t { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .title .c, body.playing .cover-wrap, body.playing .dock::before, body.playing #sub::after { animation: none; }
  body.playing #sub::after { content: "..."; }
}