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

/* ── Design tokens ── */
:root {
  color-scheme: dark;
  --portal-max:    720px;
  --player-offset: 70px;  /* lifts the player above centre to leave room for the queue */

  /* Warm ink ramp: a dark room lit by one lamp. Chrome stays neutral; the
     amber accent marks only the current selection or an "on" state. */
  --ink:             #0b0a09;
  --surface:         rgba(17,15,13,0.96);
  --text-1:          rgba(250,244,234,0.88);
  --text-2:          rgba(250,244,234,0.58);
  --text-3:          rgba(250,244,234,0.34);
  --hairline:        rgba(250,244,234,0.08);
  --hairline-strong: rgba(250,244,234,0.16);
  --accent:          #e0b06a;
  --accent-soft:     rgba(224,176,106,0.22);
  --danger:          #e2907f;
  --ok:              #a9c99a;
  --info:            #a5bdd6;

  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 160ms;
  --dur:      240ms;
}

html { background: var(--ink); overflow: hidden; height: 100%; }
body { height: 100%; overflow: hidden; background: var(--ink); font-family: 'DM Mono', monospace; position: relative; }

/* ── Background ── */
.bg { position: fixed; inset: 0; z-index: 0; overflow: hidden; transition: opacity 0.5s ease; }
/* Switching backgrounds dips the whole layer to dark, swaps media, fades back */
.bg.is-swapping { opacity: 0; }
/* bg-video: pre-rendered loop. Blur/dim/pan/rays/dust are all baked into the
   video pixels, and the loop itself is mathematically seamless (camera pan and
   every ray's sweep share a period that evenly divides the clip length) — a
   plain <video loop> plays it straight, no crossfade mechanism needed. */
.bg-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.2s ease; }
/* bg-static: a plain still, blurred frame shown in place of the video — while
   motion is paused, and while the video is still loading in (see .is-loading,
   toggled in app.js once canplaythrough fires) so there's never a black screen
   or stuck low-res frame during the initial buffer. The still follows the
   selected background (set inline by app.js). */
.bg-static { position: absolute; inset: 0; width: 100%; height: 100%; background: center/cover no-repeat; filter: blur(4px) brightness(0.35); opacity: 0; transition: opacity 1.2s ease; }
body.no-motion .bg-static.is-active,
.bg-static.is-active.is-loading { opacity: 1; }
.bg-video.is-active { opacity: 1; }
/* overlay-shake: translate-only drift for the ambient light-wash glow — it
   covers the full viewport, so there's no edge to reveal and no scale needed */
@keyframes overlay-shake {
  0%   { transform: translate(0px,  0px); }
  15%  { transform: translate(-3px, -2px); }
  30%  { transform: translate(2px,  -3px); }
  45%  { transform: translate(-2px,  2px); }
  60%  { transform: translate(3px,   1px); }
  75%  { transform: translate(-1px,  3px); }
  90%  { transform: translate(2px,  -1px); }
  100% { transform: translate(0px,  0px); }
}
#bg-effects {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 2s ease;
  animation: overlay-shake 8s ease-in-out infinite;
  animation-play-state: paused;
  background:
    radial-gradient(ellipse 75% 60% at 103% -3%,
      rgba(255,220,130,0.38) 0%,
      rgba(255,180,80,0.18)  30%,
      rgba(220,130,50,0.08)  55%,
      transparent 72%
    ),
    radial-gradient(ellipse 50% 55% at 50% 38%,
      rgba(255,210,120,0.16) 0%,
      rgba(255,185,85,0.08)  45%,
      rgba(220,140,50,0.03)  68%,
      transparent 82%
    ),
    radial-gradient(ellipse 55% 65% at 62% 50%,
      rgba(255,195,90,0.08) 0%,
      rgba(220,150,60,0.03) 50%,
      transparent 70%
    );
}
#bg-effects.is-active { opacity: 1; animation-play-state: running; }

/* ── Fixed top bar ── */
.top-bar { position: fixed; top: 0; left: 0; right: 0; z-index: 200; display: flex; align-items: center; padding: max(1rem, env(safe-area-inset-top, 1rem)) 1.5rem 0.75rem; pointer-events: none; }
/* iOS-style progressive blur behind the fixed top bar — keeps the top-bar text
   legible over the background on every platform. Two stacked layers create a
   graduated blur: a gentle, taller layer with a faint legibility gradient,
   plus a stronger, shorter layer concentrated at the very top. Both fade out
   downward via a mask so the page below stays sharp. */
.top-bar::before,
.top-bar::after {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0;
  pointer-events: none;
  z-index: -1;
}
.top-bar::before {
  height: calc(env(safe-area-inset-top, 0px) + 100px);
  -webkit-backdrop-filter: blur(7px);
          backdrop-filter: blur(7px);
  background: linear-gradient(to bottom, rgba(8,8,12,0.50) 0%, rgba(8,8,12,0.16) 50%, rgba(8,8,12,0) 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
}
.top-bar::after {
  height: calc(env(safe-area-inset-top, 0px) + 72px);
  -webkit-backdrop-filter: blur(16px);
          backdrop-filter: blur(16px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 32%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 0%, #000 32%, transparent 100%);
}
#top-title { font-family: 'Quicksand', sans-serif; font-weight: 700; font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-1); user-select: none; white-space: nowrap; }

/* ── Layout ── */
.portal {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: min(calc(55vh - var(--player-offset)), calc(100vh - 400px)) 1.5rem 0;
  gap: 1.2rem;
  transition: padding-top 0.7s cubic-bezier(0.4,0,0.2,1);
}
#player-wrap { width: 100%; max-width: var(--portal-max); display: flex; flex-direction: column; gap: 0; }

/* General-purpose visibility toggle used by JS */
.hidden-el { opacity: 0 !important; pointer-events: none !important; }

/* ── Seek line + player bar ── */
.seek-line { width: 100%; max-width: var(--portal-max); display: flex; align-items: center; gap: 10px; border-bottom: 0.5px solid transparent; padding-bottom: 0; transition: border-bottom-color 0.8s ease, padding-bottom 0.4s ease; position: relative; }
.seek-line:has(.player-bar:not(.hidden-el)) { min-height: 2.5rem; border-bottom-color: rgba(255,255,255,0.15); }

/* Player bar — hidden until boot via .hidden-el on the HTML element */
.player-bar {
  position: absolute;
  left: 0; right: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.8s ease;
}
#player-controls { position: relative; display: flex; align-items: center; flex-shrink: 0; gap: 0; height: 1.2rem; }
.ctrl-prev, .ctrl-next { display: inline-flex; align-items: center; justify-content: center; font-size: 0.7rem; color: var(--text-3); cursor: pointer; transition: color 0.2s; padding: 0 8px; flex-shrink: 0; height: 1.2rem; line-height: 1; }
.ctrl-prev:hover, .ctrl-next:hover { color: var(--text-1); }
.ctrl-pause { display: inline-flex; align-items: center; justify-content: center; width: 1rem; height: 1.2rem; color: var(--text-2); transition: color 0.2s; cursor: pointer; flex-shrink: 0; line-height: 1; font-size: 0.85rem; }
.ctrl-pause:hover { color: var(--text-1); }

/* Song label and time counter in the player bar */
.player-song-el {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--text-2);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
}
.player-time-el {
  font-size: 0.65rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Connection error / retry UI in the player bar */
.conn-error { opacity: 0.5; }
.conn-retry {
  margin-left: 10px;
  font-style: normal;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-1);
  cursor: pointer;
  opacity: 0.8;
}

/* Volume */
.vol-wrap { display: flex; align-items: center; gap: 8px; flex-shrink: 0; position: relative; margin-left: -4px; }
.vol-icon { cursor: pointer; opacity: 0.35; transition: opacity 0.2s; flex-shrink: 0; }
.vol-icon:hover { opacity: 0.7; }
.vol-slider-wrap {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-width 0.3s ease, opacity 0.3s ease;
  display: flex;
  align-items: center;
  padding: 6px 0;
}
.vol-wrap:hover .vol-slider-wrap,
.vol-slider-wrap:hover {
  max-width: 90px;
  opacity: 1;
}
.vol-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 75px;
  height: 3px;
  border-radius: 2px;
  outline: none;
  border: none;
  cursor: pointer;
}
.vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-1);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease);
}
.vol-slider::-webkit-slider-thumb:hover { background: rgba(255,255,255,0.95); }
.vol-slider::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-1);
  cursor: pointer;
  border: none;
}
.vol-slider::-moz-range-track {
  height: 3px;
  border-radius: 2px;
  background: var(--hairline-strong);
}
.vol-slider::-moz-range-progress {
  height: 3px;
  border-radius: 2px;
  background: var(--text-2);
}

/* ── Seek fill ── */
#seek-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  width: 0%;
  background: rgba(255,255,255,0.55);
  pointer-events: none;
  z-index: 1;
  transform: translateY(50%);
}
#seek-fill.seek-active {
  box-shadow: 0 0 6px 2px rgba(255,255,255,0.35), 0 0 14px 4px rgba(255,255,255,0.12);
}
@keyframes seek-glow {
  0%   { background: rgba(255,255,255,0.55); box-shadow: none; }
  30%  { background: rgba(255,255,255,1);    box-shadow: 0 0 6px 2px rgba(255,255,255,0.8); }
  100% { background: rgba(255,255,255,1);    box-shadow: 0 0 10px 3px rgba(255,255,255,0.95); }
}
@keyframes seek-drain {
  0%   { width: 100%; background: rgba(255,255,255,0.9); box-shadow: 0 0 8px 2px rgba(255,255,255,0.7); }
  100% { width: 0%;   background: rgba(255,255,255,0.55); box-shadow: none; }
}
.seek-glowing { animation: seek-glow 0.4s ease forwards; }
.seek-draining { animation: seek-drain 0.9s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
/* Hover dot showing where a click on the seek line will land */
#seek-dot { position: absolute; bottom: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--text-1); transform: translateX(-50%); opacity: 0; transition: opacity var(--dur-fast) var(--ease); pointer-events: none; z-index: 2; }

/* ── Song title animations ── */
@keyframes shimmer-in {
  0%   { opacity: 0; transform: translateX(-18px); filter: brightness(2.5) saturate(0); }
  40%  { opacity: 1; transform: translateX(2px);   filter: brightness(1.8) saturate(0.3); }
  70%  { transform: translateX(0);                 filter: brightness(1.3) saturate(0.7); }
  100% { opacity: 1; transform: translateX(0);     filter: brightness(1)   saturate(1); }
}
.song-shimmer { animation: shimmer-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards; }
@property --gleam-pos {
  syntax: '<percentage>';
  inherits: false;
  initial-value: -20%;
}
@keyframes author-shimmer {
  0%   { --gleam-pos: -20%; }
  100% { --gleam-pos: 120%; }
}
.player-author.shimmer-pass {
  background-image: linear-gradient(90deg,
    var(--text-2) calc(var(--gleam-pos) - 18%),
    rgba(255,255,255,1)   var(--gleam-pos),
    var(--text-2) calc(var(--gleam-pos) + 18%)
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: author-shimmer 0.55s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
@keyframes player-marquee {
  0%, 15%  { transform: translateX(0); }
  70%, 85% { transform: translateX(var(--marquee-dist, 0px)); }
  100%     { transform: translateX(0); }
}
.player-track-marquee {
  animation: player-marquee 14s ease-in-out infinite;
  will-change: transform;
}

/* ── Queue ── */
/* Panel — initial state (JS manipulates max-height/opacity/transition dynamically) */
#queue-panel {
  width: 100%;
  max-width: var(--portal-max);
  display: flex;
  flex-direction: column;
  gap: 0;
  opacity: 0;
  pointer-events: none;
  max-height: 0;
  overflow: hidden;
  margin: 0;
  transition: opacity 0.6s ease, max-height 0.5s ease;
}
#queue-viewport {
  width: 100%;
  height: 238px;
  overflow-y: scroll;
  overflow-x: hidden;
  scrollbar-width: none;
  position: relative;
  perspective: 520px;
  perspective-origin: 50% 50%;
  mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 20%, black 80%, transparent 100%);
}
#queue-viewport::-webkit-scrollbar { display: none; }
#queue-scroller {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 100px 0;
}
.queue-item {
  flex-shrink: 0;
  padding: 0.45rem 0.25rem;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  user-select: none;
  width: 100%;
  transform-origin: center center;
}
.queue-item:hover .queue-track { color: rgba(255,255,255,0.9); }
.queue-item.is-current .queue-author,
.queue-item.is-current .queue-track { color: rgba(255,255,255,0.9); }
.queue-item.is-current { position: relative; isolation: isolate; }
@keyframes mote-spread {
  0%   { transform: translateX(-50%) scaleX(0.04); opacity: 0; }
  8%   { opacity: 0.9; }
  55%  { transform: translateX(-50%) scaleX(0.80); opacity: 0.5; }
  100% { transform: translateX(-50%) scaleX(1.00); opacity: 0; }
}
.queue-item.is-current::before,
.queue-item.is-current::after {
  content: '';
  position: absolute;
  top: calc(50% - 1px);
  left: 50%;
  transform: translateX(-50%) scaleX(0.04);
  transform-origin: center;
  height: 2px;
  width: 100%;
  background: radial-gradient(ellipse at center, rgba(255,250,240,0.9) 0%, rgba(255,236,204,0.35) 40%, transparent 100%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  animation: mote-spread 2.8s ease-out infinite;
}
.queue-item.is-current::after {
  animation-delay: 1.4s;
  animation-fill-mode: backwards;
}
.queue-author {
  font-family: 'Cormorant Garamond', serif;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-1);
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}
.queue-track {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 300;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.queue-dot {
  font-size: 0.55rem;
  color: var(--text-3);
  flex-shrink: 0;
  align-self: center;
}

/* Chevron toggle bar — initial state */
#queue-chevron-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: max-height 0.4s ease, opacity 0.4s ease;
}
#queue-chevron-btn {
  background: none; border: none; cursor: pointer;
  padding: 10px 60px;
  display: flex; align-items: center; justify-content: center;
}
#queue-chevron-btn svg {
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1), stroke 0.2s;
  transform: rotate(180deg);
}
#queue-chevron-btn:hover svg { stroke: var(--text-2) !important; }
#queue-chevron-btn.collapsed svg { transform: rotate(0deg); }

/* Particle canvas (track-switch burst effect) */
#particle-canvas { position: fixed; inset: 0; pointer-events: none; z-index: 999; }

/* ── Ambient soundscape bar ── */
#ambient-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  width: 100%;
  padding-top: 16px;
  transition: opacity 0.8s ease;
}
.amb-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  opacity: 0.28;
  color: #fff;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
  line-height: 0;
}
.amb-btn svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: block;
}
.amb-btn:hover { opacity: 0.52; }
.amb-btn.is-active {
  opacity: 1;
  color: var(--accent);
}

/* ── Top-bar buttons ── */
#fullscreen-btn,
#player-settings-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 4px;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.28);
  cursor: pointer;
  pointer-events: auto;
  transition: color 0.2s ease;
}
#fullscreen-btn:hover,
#player-settings-btn:hover { color: rgba(255, 255, 255, 0.6); }
#fullscreen-btn .fs-icon-compress { display: none; }
#fullscreen-btn.is-fullscreen .fs-icon-expand { display: none; }
#fullscreen-btn.is-fullscreen .fs-icon-compress { display: block; }
#player-settings-btn.is-active { color: var(--text-1); }

/* ── Player settings panel — same glass styling as #settings-panel ── */
#player-settings-panel {
  position: fixed;
  top: 52px;
  right: 24px;
  width: 240px;
  background: var(--surface);
  border: 0.5px solid var(--hairline-strong);
  border-radius: 12px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 16px 20px;
  z-index: 302;
  box-shadow: 0 8px 32px rgba(0,0,0,0.55);
}
#player-settings-panel .sp-title { text-align: center; width: 100%; }
.ps-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}
.ps-row > svg { flex-shrink: 0; color: var(--text-3); }
.ps-label {
  flex: 1;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-2);
}
.ps-info {
  background: none;
  border: none;
  padding: 2px;
  cursor: pointer;
  color: var(--text-3);
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: color var(--dur-fast) var(--ease);
}
.ps-info:hover { color: var(--text-1); }

/* Floating tooltip shown below the settings panel via JS */
#ps-tooltip {
  display: none;
  position: fixed;
  width: 210px;
  background: var(--surface);
  border: 0.5px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 7px 10px;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-1);
  line-height: 1.5;
  pointer-events: none;
  z-index: 400;
  white-space: normal;
}

/* iOS-style toggle */
.ps-toggle {
  position: relative;
  display: inline-block;
  width: 30px;
  height: 17px;
  flex-shrink: 0;
}
.ps-toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.ps-toggle-track {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--hairline);
  border-radius: 9px;
  border: 0.5px solid var(--hairline-strong);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.ps-toggle-track::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 2px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--text-3);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.ps-toggle input:checked + .ps-toggle-track {
  background: var(--accent);
  border-color: var(--accent);
}
.ps-toggle input:checked + .ps-toggle-track::before {
  transform: translateX(13px);
  background: var(--ink);
}

/* Section label inside the player settings */
.ps-section {
  display: block;
  font-family: 'DM Mono', monospace;
  font-weight: 400;
  font-size: 11px;
  color: var(--text-3);
  margin-bottom: 8px;
}

/* Background thumbnail grid */
.ps-bg-grid {
  display: flex;
  gap: 8px;
}
.ps-bg-thumb {
  flex: 1;
  background: none;
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur-fast) var(--ease);
}
.ps-bg-thumb:hover { border-color: var(--text-3); }
.ps-bg-thumb.active { border-color: var(--accent); }
.ps-bg-thumb-img {
  width: 100%;
  aspect-ratio: 16/10;
  background-size: cover;
  background-position: center;
}

/* Cache row */
.ps-cache-size {
  font-size: 11px;
  color: var(--text-3);
  flex: 1;
  text-align: right;
  margin-right: 6px;
  white-space: nowrap;
}
.ps-cache-clear {
  background: var(--hairline);
  border: 0.5px solid var(--hairline-strong);
  border-radius: 6px;
  color: var(--text-2);
  font-size: 11px;
  font-family: 'DM Mono', monospace;
  padding: 2px 8px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.ps-cache-clear:hover { background: var(--hairline-strong); color: var(--text-1); }

/* no-motion: pause all VFX animations */
body.no-motion #bg-effects { animation-play-state: paused !important; }
body.no-motion .queue-item.is-current::before,
body.no-motion .queue-item.is-current::after { display: none !important; }

/* tab-hidden: pause all CSS animations when the tab is not visible.
   Canvas rAF loops are paused via JS; audio continues uninterrupted. */
body.tab-hidden #bg-effects { animation-play-state: paused !important; }
body.tab-hidden .queue-item.is-current::before,
body.tab-hidden .queue-item.is-current::after { animation-play-state: paused !important; }

/* ── Sign-in widget ── */
.top-bar-right {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  overflow: hidden;
  /* Items squeezed toward the left edge fade out gracefully */
  -webkit-mask-image: linear-gradient(to right, transparent 0, black 2.5rem);
  mask-image: linear-gradient(to right, transparent 0, black 2.5rem);
}
#signin-widget {
  display: flex;
  align-items: center;
  white-space: nowrap;
}

/* Three mutually-exclusive panels; collapsed = max-width:0 + opacity:0 */
#signin-trigger,
#signin-flow,
#signin-loggedin {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, max-width 0.3s ease;
}

/* s0: show trigger */
#signin-widget[data-state="s0"] #signin-trigger {
  max-width: 120px;
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
  font-family: 'Quicksand', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: opacity 0.25s ease, max-width 0.3s ease, color 0.2s ease;
}
#signin-widget[data-state="s0"] #signin-trigger:hover { color: var(--text-1); }
/* User icon in the top bar is always full white (the label text keeps its own colour) */
#signin-trigger > svg,
#signin-loggedin > svg { stroke: #fff; }

/* s1 / s2: show flow */
#signin-widget[data-state="s1"] #signin-flow,
#signin-widget[data-state="s2"] #signin-flow {
  max-width: 440px;
  opacity: 1;
  pointer-events: auto;
}

/* s3: show logged-in chip */
#signin-widget[data-state="s3"] #signin-loggedin {
  max-width: 200px;
  opacity: 1;
  pointer-events: auto;
}

/* Flow typography — unified with #top-title / #signin-trigger sizing */
#signin-flow { color: var(--text-2); gap: 0; }
#signin-back,
#signin-back-sep,
#signin-uname-hint,
#signin-uname-static,
#signin-pwd-hint {
  font-family: 'Quicksand', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-2);
}
#signin-back-sep { color: var(--text-3); }
#signin-uname-static { color: var(--text-1); }
#signin-loggedin {
  font-family: 'Quicksand', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-1);
  gap: 0.4rem;
}

/* Spacing: all flow children get right margin; collapsed items get 0 */
#signin-flow > * { margin-right: 0.45rem; }
#signin-flow > *:last-child { margin-right: 0; }

/* Flow: elements collapsed by default — zero width AND zero margin */
#signin-back,
#signin-back-sep,
#signin-uname-static,
#signin-lock-svg,
#signin-pwd-hint,
#signin-pwd-input {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  margin-right: 0;
  transition: opacity 0.2s ease, max-width 0.25s ease, margin-right 0.25s ease;
}

/* Flow: elements visible by default in s1 */
#signin-uname-hint  { max-width: 80px;  opacity: 1; transition: opacity 0.2s ease, max-width 0.25s ease, margin-right 0.25s ease; }
#signin-uname-input { max-width: 110px; opacity: 1; pointer-events: auto; transition: opacity 0.2s ease, max-width 0.25s ease, margin-right 0.25s ease; }

/* s1: back visible (no separator) */
#signin-widget[data-state="s1"] #signin-back { max-width: 60px; opacity: 1; pointer-events: auto; cursor: pointer; margin-right: 0.45rem; }

/* s2: hide username entry (zero width + zero margin = no phantom gap) */
#signin-widget[data-state="s2"] #signin-uname-hint  { max-width: 0; opacity: 0; pointer-events: none; margin-right: 0; }
#signin-widget[data-state="s2"] #signin-uname-input { max-width: 0; opacity: 0; pointer-events: none; margin-right: 0; }
/* s2: reveal password section */
#signin-widget[data-state="s2"] #signin-back        { max-width: 60px;  opacity: 1; pointer-events: auto; cursor: pointer; margin-right: 0.45rem; }
#signin-widget[data-state="s2"] #signin-back-sep    { max-width: 16px;  opacity: 1; margin-right: 0.45rem; }
#signin-widget[data-state="s2"] #signin-uname-static { max-width: 120px; opacity: 1; margin-right: 0.45rem; }
#signin-widget[data-state="s2"] #signin-lock-svg    { max-width: 18px;  opacity: 1; margin-right: 0.45rem; }
#signin-widget[data-state="s2"] #signin-pwd-hint    { max-width: 80px;  opacity: 1; margin-right: 0.45rem; }
#signin-widget[data-state="s2"] #signin-pwd-input   { max-width: 110px; opacity: 1; pointer-events: auto; margin-right: 0.45rem; }

/* Input fields */
#signin-uname-input,
#signin-pwd-input {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--hairline-strong);
  outline: none;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-1);
  width: 90px;
  padding: 0 0 2px;
  caret-color: var(--text-1);
  -webkit-appearance: none;
  appearance: none;
}
#signin-uname-input:focus,
#signin-pwd-input:focus { border-bottom-color: var(--accent); }

/* Submit button */
#signin-submit {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--text-2);
  display: flex;
  align-items: center;
  transition: color 0.2s ease;
}
#signin-submit:hover { color: var(--text-1); }
#signin-back { display: flex; align-items: center; gap: 0.3rem; }

/* SVG icons inside widget */
/* translateY nudge: the glyph ink sits low in its viewBox, so optically
   centre it with the adjacent all-caps text on the top bar */
#signin-user-svg, #signin-lock-svg,
#signin-loggedin svg { flex-shrink: 0; color: var(--text-2); transform: translateY(-1.5px); }
/* trigger icon: inherits trigger text colour (white-ish) */
#signin-trigger svg { flex-shrink: 0; transform: translateY(-1.5px); }
/* signed-in user icon: white */
#signin-loggedin svg { color: rgba(255,255,255,0.9); }

/* Shake on bad password */
@keyframes signin-shake {
  0%,100% { transform: translateX(0); }
  25%      { transform: translateX(-4px); }
  75%      { transform: translateX(4px); }
}
.signin-shake { animation: signin-shake 0.35s ease; }

/* Logged-in chip is clickable */
#signin-loggedin { cursor: pointer; }
#signin-loggedin:hover span { color: var(--text-1); }

/* ── Account panel ── */
#settings-panel {
  display: none;
  position: fixed;
  top: 52px;
  right: 24px;
  width: 240px;
  background: var(--surface);
  border: 0.5px solid var(--hairline-strong);
  border-radius: 12px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 16px 20px;
  z-index: 300;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  transition: width var(--dur) var(--ease);
}
#settings-panel > div { display: none; }
#settings-panel[data-view="main"]        #sp-main        { display: block; }
#settings-panel[data-view="users"]       #sp-users       { display: block; }
#settings-panel[data-view="perms"]       #sp-perms       { display: block; }
#settings-panel[data-view="adduser"]     #sp-adduser     { display: block; }
#settings-panel[data-view="changepwd"]   #sp-changepwd   { display: block; }
#settings-panel[data-view="trackmgmt"]   { width: 460px; }
#settings-panel[data-view="trackmgmt"]   #sp-trackmgmt   { display: block; }
#settings-panel[data-view="addtrack"]    { width: 460px; }
#settings-panel[data-view="addtrack"]    #sp-addtrack    { display: block; }
#settings-panel[data-view="history"]     { width: 620px; }
#settings-panel[data-view="history"]     #sp-history     { display: block; }
#settings-panel[data-view="renametrack"] { width: 460px; }
#settings-panel[data-view="renametrack"] #sp-renametrack { display: block; }

.sp-title {
  font-family: 'DM Mono', monospace;
  font-weight: 400;
  font-size: 13px;
  color: var(--text-2);
  display: block;
}
.sp-header-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sp-header-row svg { color: var(--text-2); flex-shrink: 0; }
.sp-divider {
  height: 0.5px;
  background: var(--hairline);
  margin: 12px 0;
}
.sp-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: none;
  border: none;
  padding: 4px 0;
  cursor: pointer;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-2);
  text-align: left;
  transition: color var(--dur-fast) var(--ease);
}
.sp-row:hover { color: var(--text-1); }
.sp-row svg   { flex-shrink: 0; color: var(--text-3); transition: color var(--dur-fast) var(--ease); }
.sp-row:hover svg { color: var(--text-1); }
.sp-footer-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.sp-back-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-2);
  margin-right: auto;
  transition: color var(--dur-fast) var(--ease);
  padding: 0;
}
.sp-back-btn:hover { color: var(--text-1); }
.sp-action-btn {
  background: none;
  border: 0.5px solid var(--hairline-strong);
  border-radius: 6px;
  padding: 3px 10px;
  cursor: pointer;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-2);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.sp-action-btn:hover { color: var(--text-1); border-color: var(--text-3); }
.sp-action-btn.sp-save { border-color: var(--text-3); color: var(--text-1); }
.sp-action-btn.sp-save:hover { color: rgba(255,255,255,0.95); border-color: var(--text-2); }
.sp-signout-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-3);
  padding: 0;
  transition: color var(--dur-fast) var(--ease);
}
.sp-signout-btn:hover { color: var(--danger); }

/* Inputs */
.sp-input {
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--hairline-strong);
  outline: none;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-1);
  padding: 0 0 3px;
  margin-bottom: 8px;
  caret-color: var(--text-1);
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
}
.sp-input:focus { border-bottom-color: var(--accent); }
.sp-input::placeholder { color: var(--text-3); }

/* Checkboxes */
.sp-checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-2);
}
.sp-checkbox-row input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border: 1px solid var(--text-3);
  border-radius: 4px;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.sp-checkbox-row input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.sp-checkbox-row input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 2px; top: 0px;
  width: 5px; height: 8px;
  border: 1.5px solid var(--ink);
  border-top: none; border-left: none;
  transform: rotate(40deg);
}

/* Error text */
.sp-error {
  display: block;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--danger);
  min-height: 1em;
  margin: 4px 0 0;
}

/* User list rows */
.sp-user-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-1);
}
.sp-user-name { flex: 1; }
.sp-user-cog, .sp-user-del {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  transition: color var(--dur-fast) var(--ease);
}
.sp-user-cog:hover { color: var(--text-1); }
.sp-user-del:hover  { color: var(--danger); }
.sp-user-del-confirm {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--danger);
}
.sp-user-del-yes, .sp-user-del-no {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  padding: 1px 3px;
  color: var(--text-2);
  transition: color var(--dur-fast) var(--ease);
}
.sp-user-del-yes:hover { color: var(--danger); }
.sp-user-del-no:hover  { color: var(--text-1); }

.sp-no-users {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-3);
  padding: 4px 0;
}

/* ── Track Management ── */
/* Add Track — required label + field wrapper */
.sp-addtrack-field {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-bottom: 8px;
}
.sp-addtrack-field .sp-input {
  flex: 1;
  margin-bottom: 0;
}
.sp-addtrack-req {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-3);
  flex-shrink: 0;
  padding-bottom: 4px;
  white-space: nowrap;
}

/* Add Track — processing state */
.sp-addtrack-filename {
  text-align: center;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-1);
  margin: 0 0 16px;
  line-height: 1.45;
  word-break: break-word;
}
.sp-addtrack-status-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}
.sp-addtrack-status-text {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--text-2);
}

/* Spinning disc */
@keyframes sp-disc-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.sp-disc-spinner {
  animation: sp-disc-spin 1.2s linear infinite;
  transform-origin: center;
  flex-shrink: 0;
  display: flex;
}

.sp-track-count {
  margin-left: auto;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-3);
  flex-shrink: 0;
}

.sp-track-col-headers {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 4px;
  border-bottom: 0.5px solid var(--hairline);
  margin-bottom: 2px;
}
.sp-track-col-name {
  flex: 1;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-3);
  min-width: 0;
}
.sp-track-col-del, .sp-track-col-norm {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-3);
  flex-shrink: 0;
  width: 44px;
  text-align: center;
}

#sp-track-list {
  max-height: 230px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--hairline) transparent;
}
#sp-track-list::-webkit-scrollbar { width: 3px; }
#sp-track-list::-webkit-scrollbar-thumb { background: var(--hairline); border-radius: 2px; }

.sp-track-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 0.5px solid var(--hairline);
}
.sp-track-row:last-child { border-bottom: none; }

.sp-track-name {
  flex: 1;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.sp-track-del {
  flex-shrink: 0;
  width: 44px;
  display: flex;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-3);
  padding: 2px 4px;
  line-height: 1;
  transition: color var(--dur-fast) var(--ease);
  border-radius: 4px;
}
.sp-track-del:hover { color: var(--danger); }

.sp-track-rename {
  flex-shrink: 0;
  width: 26px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-3);
  padding: 2px 4px;
  line-height: 1;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  border-radius: 4px;
}
.sp-track-row:hover .sp-track-rename { opacity: 1; }
.sp-track-rename:hover { color: var(--text-1); }

.sp-track-norm-cell {
  flex-shrink: 0;
  width: 44px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sp-track-norm-cell input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 11px;
  height: 11px;
  border: 1px solid var(--text-3);
  border-radius: 4px;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.sp-track-norm-cell input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.sp-track-norm-cell input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3px; top: 0px;
  width: 4px; height: 7px;
  border: 1.5px solid var(--ink);
  border-top: none; border-left: none;
  transform: rotate(40deg);
}

#sp-track-search { margin-bottom: 8px; }

/* ── Track History (audit log) ── */
.sp-history-col-headers {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 4px;
  border-bottom: 0.5px solid var(--hairline);
  margin-bottom: 2px;
}
.sp-history-col-name, .sp-history-col-user, .sp-history-col-date, .sp-history-col-del {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-3);
}
.sp-history-col-name { flex: 1; min-width: 0; }
.sp-history-col-user { flex-shrink: 0; width: 110px; }
.sp-history-col-date { flex-shrink: 0; width: 90px; }
.sp-history-col-del  { flex-shrink: 0; width: 44px; text-align: center; }

#sp-history-list {
  max-height: 320px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--hairline) transparent;
}
#sp-history-list::-webkit-scrollbar { width: 3px; }
#sp-history-list::-webkit-scrollbar-thumb { background: var(--hairline); border-radius: 2px; }

.sp-history-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 0.5px solid var(--hairline);
}
.sp-history-row:last-child { border-bottom: none; }
.sp-history-row.sp-history-deleted .sp-history-name { color: var(--text-3); text-decoration: line-through; text-decoration-color: var(--hairline-strong); }

.sp-history-name {
  flex: 1;
  min-width: 0;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sp-history-user {
  flex-shrink: 0;
  width: 110px;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sp-history-user.sp-history-added   { color: var(--ok); }
.sp-history-user.sp-history-removed { color: var(--danger); }
.sp-history-user.sp-history-renamed { color: var(--info); }
.sp-history-date {
  flex-shrink: 0;
  width: 90px;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--text-3);
  white-space: nowrap;
}
.sp-history-del {
  flex-shrink: 0;
  width: 44px;
  display: flex;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-3);
  padding: 2px 4px;
  line-height: 1;
  transition: color var(--dur-fast) var(--ease);
  border-radius: 4px;
}
.sp-history-del:hover { color: var(--danger); }

/* Mobile: iOS safe areas */
@media (max-width: 600px) {
  .portal {
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
  }
  .top-bar {
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
  }
}

/* ── Intro ── */
/* Title card over everything on open. The bars start fully closed so nothing
   behind them shows before the script runs; app.js drives every frame after. */
#intro { position: fixed; inset: 0; z-index: 1000; }
#intro.is-splitting { pointer-events: none; }
.intro-bar { position: absolute; left: 0; right: 0; height: calc(50% + 1px); background: #000; will-change: transform; }
.intro-bar-top { top: 0; }
.intro-bar-bot { bottom: 0; }
.intro-seam {
  position: absolute; left: 0; right: 0; top: 50%; height: 1px; margin-top: -0.5px;
  background: linear-gradient(90deg, transparent, rgba(205,218,255,0.85) 30%, #fff 50%, rgba(205,218,255,0.85) 70%, transparent);
  opacity: 0; transform: scaleX(0);
}
.intro-word-wrap { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; }
.intro-word {
  position: relative; font-family: 'Quicksand', sans-serif; font-size: clamp(22px, 3.6vw, 48px); font-weight: 700;
  letter-spacing: 0.14em; line-height: 1; white-space: nowrap;
  -webkit-mask-image: linear-gradient(90deg, #000 -30%, transparent -18%);
          mask-image: linear-gradient(90deg, #000 -30%, transparent -18%);
}
.intro-word-base, .intro-word-shine { display: block; -webkit-background-clip: text; background-clip: text; color: transparent; }
.intro-word-base { background-image: linear-gradient(180deg, #eef0f6 10%, #a3a8b8 55%, #6c7184 95%); }
.intro-word-shine {
  position: absolute; inset: 0; opacity: 0;
  background-image: linear-gradient(100deg, transparent 42%, rgba(214,226,255,0.55) 47%, #fff 50%, rgba(214,226,255,0.55) 53%, transparent 58%);
  background-size: 250% 100%; background-position: 100% 0; background-repeat: no-repeat;
}
.intro-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }

/* Keyboard focus, in the palette */
button:focus-visible, .sp-row:focus-visible, .amb-btn:focus-visible, .ps-bg-thumb:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
/* Figures line up */
.player-time-el, .ps-cache-size, .sp-track-count, .sp-history-date { font-variant-numeric: tabular-nums; }