:root {
  --logo-x: 0vw;
  --logo-top: 13vh;
  --logo-size: clamp(3rem, 9vw, 8rem);

  --edge: clamp(1rem, 2.2vw, 1.75rem);
  --glass: rgba(255, 255, 255, 0.1);
  --glass-line: rgba(255, 255, 255, 0.2);
  --shadow-glass: 0 8px 40px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  --text-shadow: 0 1px 6px rgba(0, 0, 0, 0.55);

  --body: "Baloo 2", ui-rounded, system-ui, sans-serif;
  --ui: "Inter", ui-sans-serif, system-ui, sans-serif;

  --swift: 140ms cubic-bezier(0.4, 0, 0.2, 1);
  --glide: 320ms cubic-bezier(0.4, 0, 0.2, 1);
  --settle: 620ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-settle: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--body);
  color: #fff;
  background: #0a1416;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

@keyframes rise {
  from { opacity: 0; transform: translate3d(0, 14px, 0); }
  to { opacity: 1; transform: none; }
}

@keyframes rise-left {
  from { opacity: 0; transform: translate3d(-16px, 0, 0); }
  to { opacity: 1; transform: none; }
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.topbar, .logo, .dock { animation: rise var(--settle) both; }
.topbar { animation-delay: 0.28s; }
.logo { animation-delay: 0.06s; }
.dock { animation-delay: 0.16s; }
.horns { animation: rise-left var(--settle) 0.34s both; }

.bg { position: fixed; inset: 0; z-index: -1; background-color: #0a1416; }
.bg__layer {
  position: absolute; inset: 0; background-size: cover; background-repeat: no-repeat; background-position: center; opacity: 0; transition: opacity 1.1s var(--ease-settle);
}
.bg__layer.is-active { opacity: 1; }
.bg__layer--1 { background-image: url("images/background.png"); }

.bg__scrim {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 30%, rgba(0,0,0,0.1) 60%, rgba(0,0,0,0.6) 100%);
}

.yt-host { position: fixed; top: 0; left: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; overflow: hidden; }

main {
  position: relative; min-height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: space-between;
  padding: max(var(--edge), env(safe-area-inset-top)) var(--edge) max(var(--edge), env(safe-area-inset-bottom));
}

.topbar {
  position: fixed; top: max(1.15rem, env(safe-area-inset-top)); left: var(--edge); right: var(--edge); z-index: 20;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 0.75rem; text-shadow: var(--text-shadow);
}

.clock { justify-self: start; font-family: var(--ui); font-size: 0.82rem; font-weight: 500; font-variant-numeric: tabular-nums; color: rgba(255,255,255,0.92); }

.presence { justify-self: center; display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--ui); font-size: 0.82rem; font-weight: 500; color: rgba(255,255,255,0.92); }
.presence__dot { width: 10px; height: 10px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 8px rgba(74,222,128,0.9); position: relative; }
.presence__dot::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: #4ade80; opacity: 0.75; animation: ping 1.9s cubic-bezier(0,0,0.2,1) infinite; }
.presence__count { font-variant-numeric: tabular-nums; }
.presence__label { font-weight: 400; color: rgba(255,255,255,0.62); }

@keyframes ping { 75%, 100% { transform: scale(2.2); opacity: 0; } }

.horns { position: fixed; left: var(--edge); top: 50%; translate: 0 -50%; z-index: 20; }
.horn {
  display: flex; align-items: center; gap: 0.45rem; padding: 0.28rem 0.7rem 0.28rem 0.3rem; border: 1px solid var(--glass-line); border-radius: 999px; background: var(--glass);
  backdrop-filter: blur(20px) saturate(150%); -webkit-backdrop-filter: blur(20px) saturate(150%);
  box-shadow: 0 6px 22px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.22); color: #fff; font-family: var(--body); cursor: pointer; transition: background var(--swift), transform var(--swift), border-color var(--swift);
}
.horn:hover { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.4); }
.horn:active { transform: scale(0.95); }
.horn.is-blaring { animation: honk 0.45s ease; }
.horn__icon { display: grid; place-items: center; width: 1.6rem; height: 1.6rem; border-radius: 50%; background: rgba(255,255,255,0.16); color: #fff; }
.horn__icon svg { width: 15px; height: 15px; }
.horn.is-blaring .horn__icon { background: #fff; color: #111; }
.horn__text { display: flex; flex-direction: column; line-height: 1.1; text-align: left; }
.horn__deva { font-size: 0.76rem; font-weight: 700; }
.horn__en { font-size: 0.58rem; font-weight: 600; letter-spacing: 0.04em; color: rgba(255,255,255,0.62); }

@keyframes honk {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px) rotate(-1.6deg); }
  50% { transform: translateX(5px) rotate(1.6deg); }
  75% { transform: translateX(-2px); }
}

.logo {
  margin: var(--logo-top) 0 0; translate: var(--logo-x) 0; display: flex; align-items: baseline; font-family: var(--body); font-weight: 800; font-size: var(--logo-size); line-height: 1; letter-spacing: -0.01em; color: #fff; text-align: center; filter: drop-shadow(0 4px 24px rgba(0,0,0,0.5)); user-select: none;
}
.logo.is-shaking { animation: truck-shake 720ms cubic-bezier(0.36, 0.07, 0.19, 0.97) both; }

@keyframes truck-shake {
  0% { transform: translate3d(0,0,0) rotate(0deg); }
  8% { transform: translate3d(-4px,2px,0) rotate(-1.1deg); }
  18% { transform: translate3d(4px,-2px,0) rotate(0.9deg); }
  28% { transform: translate3d(-3px,1px,0) rotate(-0.75deg); }
  38% { transform: translate3d(3px,-1px,0) rotate(0.6deg); }
  50% { transform: translate3d(-2px,1px,0) rotate(-0.45deg); }
  62% { transform: translate3d(2px,0,0) rotate(0.3deg); }
  74% { transform: translate3d(-1px,0,0) rotate(-0.18deg); }
  86% { transform: translate3d(1px,0,0) rotate(0.08deg); }
  100% { transform: none; }
}

.bottom-container { display: flex; flex-direction: column; align-items: center; width: 100%; gap: 1.5rem; }
.dock { position: relative; width: 100%; max-width: 48rem; margin-bottom: 0; }
.player {
  display: flex; align-items: center; gap: 1.2rem; padding: 0.8rem 1.6rem 0.8rem 0.8rem; border-radius: 999px; border: 1px solid var(--glass-line); background: var(--glass);
  backdrop-filter: blur(28px) saturate(150%); -webkit-backdrop-filter: blur(28px) saturate(150%); box-shadow: var(--shadow-glass);
}

.disc { position: relative; width: 5.5rem; height: 5.5rem; flex: none; transition: transform var(--glide); }
.disc__ring {
  width: 100%; height: 100%; border-radius: 50%; overflow: hidden; box-shadow: 0 4px 14px rgba(0,0,0,0.4); outline: 1px solid rgba(255,255,255,0.2); outline-offset: -1px; background: #1a1a1a; animation: spin 8s linear infinite; animation-play-state: paused;
}
.player.is-playing .disc__ring { animation-play-state: running; }
.player.is-playing .disc { transform: scale(1.03); }
.disc__art { width: 100%; height: 100%; object-fit: cover; display: block; }
.disc__hub { position: absolute; left: 50%; top: 50%; width: 0.5rem; height: 0.5rem; transform: translate(-50%,-50%); border-radius: 50%; background: rgba(0,0,0,0.7); box-shadow: 0 0 0 2px rgba(255,255,255,0.4); }

@keyframes spin { to { transform: rotate(360deg); } }

.meta { flex: 1; min-width: 0; }
.meta__title, .meta__artist { transition: opacity 220ms ease; }
.player.is-swapping .meta__title, .player.is-swapping .meta__artist { opacity: 0; }

.meta__title { margin: 0; font-weight: 700; font-size: 1.4rem; font-family: var(--ui); line-height: 1.25; text-shadow: 0 1px 2px rgba(0,0,0,0.35); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meta__artist { margin: 0; font-size: 1rem; font-family: var(--ui); font-weight: 600; line-height: 1.25; color: rgba(255,255,255,0.7); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.seek { position: relative; height: 16px; margin-top: 0.3rem; cursor: pointer; touch-action: none; }
.seek__rail { position: absolute; inset-inline: 0; top: 50%; height: 6px; transform: translateY(-50%); border-radius: 999px; overflow: hidden; background: rgba(255,255,255,0.2); }
.seek__fill { height: 100%; width: 100%; border-radius: 999px; background: rgba(255,255,255,0.9); transform: scaleX(0); transform-origin: left center; will-change: transform; }
.seek__knob { position: absolute; top: 50%; left: 0; width: 16px; height: 16px; transform: translate(-50%,-50%); border-radius: 50%; background: #fff; box-shadow: 0 1px 4px rgba(0,0,0,0.5); opacity: 0; transition: opacity var(--swift); will-change: transform; }
.seek:hover .seek__knob, .seek:focus-visible .seek__knob { opacity: 1; }
.time-row { display: flex; justify-content: space-between; margin-top: 0.05rem; }
.time { font-family: var(--ui); font-size: 0.9rem; font-weight: 600; font-variant-numeric: tabular-nums; color: rgba(255,255,255,0.6); }

.controls { display: flex; align-items: center; gap: 0.15rem; flex: none; }
.btn { display: grid; place-items: center; width: 2.8rem; height: 2.8rem; border: none; border-radius: 50%; background: transparent; color: rgba(255,255,255,0.8); cursor: pointer; transition: background var(--swift), color var(--swift), transform var(--swift); }
.btn svg { width: 24px; height: 24px; }
.btn:hover { background: rgba(255,255,255,0.15); color: #fff; }
.btn:active { transform: scale(0.92); }
.btn--play { width: 3.6rem; height: 3.6rem; background: #fff; color: #000; box-shadow: 0 4px 14px rgba(0,0,0,0.35); }
.btn--play svg { width: 28px; height: 28px; }
.i-pause, .player.is-playing .i-play { display: none; }
.player.is-playing .i-pause { display: block; }
.btn--play:hover { background: #fff; color: #000; transform: scale(1.06); }
.btn--play:disabled { opacity: 0.5; cursor: default; transform: none; }
.btn--toggle.is-on { color: #fff; background: rgba(255,255,255,0.2); }

.list {
  position: absolute; bottom: calc(100% + 0.7rem); left: 0; right: 0; z-index: 5; max-height: min(48dvh, 24rem); overflow-y: auto; overscroll-behavior: contain;
  border-radius: 1.35rem; border: 1px solid var(--glass-line); background: rgba(20, 20, 22, 0.55); backdrop-filter: blur(28px) saturate(150%); -webkit-backdrop-filter: blur(28px) saturate(150%);
  box-shadow: var(--shadow-glass);
  opacity: 0; visibility: hidden; transform: translate3d(0, 10px, 0) scale(0.985); transform-origin: bottom center;
  transition: opacity var(--glide), transform var(--glide), visibility 0s linear 320ms;
}
.list.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity var(--glide), transform 420ms var(--ease-settle), visibility 0s; }
.list { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.28) transparent; }
.list::-webkit-scrollbar { width: 6px; }
.list::-webkit-scrollbar-track { background: transparent; }
.list::-webkit-scrollbar-thumb { background-color: rgba(255,255,255,0.28); border-radius: 6px; }

.listItems { margin: 0; padding: 0.5rem; list-style: none; font-family: var(--ui); }
.listItems li { margin-bottom: 2px; }
.listItems button {
  width: 100%; text-align: left; padding: 0.5rem 0.8rem; border: none; background: transparent; border-radius: 0.8rem; color: #fff; cursor: pointer; transition: background 0.15s ease;
}
.listItems button:hover { background: rgba(255,255,255,0.1); }
.listItems li.is-current button { background: rgba(255,255,255,0.2); }
.t-title { display: block; font-size: 0.85rem; font-weight: 600; }
.t-artist { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-top: 2px; }

.bumper { text-align: center; max-width: 80%; cursor: pointer; padding-bottom: 0; }
.bumper__text { font-size: 1.25rem; margin: 0; font-family: 'Baloo 2', sans-serif; text-shadow: 0 1px 4px rgba(0,0,0,0.5); transition: opacity 0.25s ease; }
.bumper__text.is-swapping { opacity: 0; }
