:root {
  --page: #f2f4f3;
  --surface: #ffffff;
  --surface-muted: #e9edeb;
  --ink: #172024;
  --ink-soft: #5c696e;
  --line: #cbd2cf;
  --line-strong: #9ea9a5;
  --viewer: #101719;
  --viewer-raised: #1a2427;
  --viewer-line: #334145;
  --white: #f9fbfa;
  --accent: #087f8c;
  --accent-deep: #045966;
  --heat: #d95534;
  --energy: #d9ad22;
  --focus: #0a6be8;
  --radius: 4px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--page);
  color: var(--ink);
}

button,
input {
  font: inherit;
}

button {
  letter-spacing: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.intro-band__inner,
.sample-band__inner,
.comparison-section {
  width: min(100% - 40px, 1680px);
  margin-inline: auto;
}

.intro-band {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.intro-band__inner {
  min-height: 218px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  align-items: end;
  gap: 56px;
  padding-block: 46px 42px;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  max-width: 860px;
  margin: 0;
  font-size: 44px;
  line-height: 1.02;
  font-weight: 760;
}

.oscar-acronym,
.oscar-expansion {
  display: block;
}

.oscar-expansion {
  max-width: 980px;
  margin-top: 12px;
  font-size: 24px;
  font-weight: 500;
  line-height: 1.25;
}

.oscar-expansion strong {
  color: var(--accent-deep);
  font-weight: 800;
}

.intro-note {
  align-self: end;
}

.intro-note > p {
  max-width: 620px;
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.55;
}

.listening-note {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.listening-note svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.8;
}

.sample-band {
  border-bottom: 1px solid var(--line-strong);
  background: var(--surface-muted);
}

.sample-band__inner {
  padding-block: 24px 20px;
}

.section-index {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.section-index > span {
  padding-top: 3px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
}

.section-index h2 {
  margin: 0;
  font-size: 19px;
  line-height: 1.2;
}

.sample-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
  margin-top: 18px;
  padding: 2px;
}

.sample-tab {
  min-width: 0;
  width: 100%;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.sample-tab:hover {
  border-color: var(--accent);
  background: var(--surface);
}

.sample-tab[aria-selected="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.sample-tab:disabled {
  cursor: wait;
  opacity: 0.6;
}

.sample-tab__number {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  font-weight: 800;
}

.sample-tab[aria-selected="true"] .sample-tab__number {
  color: var(--energy);
}

.sample-tab__id {
  min-width: 0;
  overflow: hidden;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.comparison-section {
  padding-block: 42px 64px;
}

.comparison-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 24px;
}

.comparison-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 14px;
}

.display-mode-control {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(76px, 1fr));
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.display-mode-control button {
  min-height: 34px;
  padding: 6px 14px;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.display-mode-control button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--white);
}

.sync-control {
  position: relative;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.sync-control input {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.sync-control__track {
  position: relative;
  width: 36px;
  height: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
}

.sync-control__track::after {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-soft);
  content: "";
  transition: translate 140ms ease, background 140ms ease;
}

.sync-control input:checked + .sync-control__track {
  border-color: var(--accent);
  background: var(--accent);
}

.sync-control input:checked + .sync-control__track::after {
  background: var(--white);
  translate: 16px 0;
}

.sync-control input:focus-visible + .sync-control__track {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.selected-sample {
  margin: 7px 0 0;
  color: var(--ink-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  overflow-wrap: anywhere;
}

.global-status {
  min-height: 24px;
  margin-bottom: 10px;
  color: var(--ink-soft);
  font-size: 12px;
}

.global-status:empty {
  display: none;
}

.shared-transport {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
  padding: 12px;
  border: 1px solid var(--viewer-line);
  border-radius: var(--radius);
  background: var(--viewer-raised);
  color: var(--white);
}

.shared-transport[hidden] {
  display: none;
}

.shared-transport__timeline {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.shared-transport__timeline input,
.shared-transport__commands input {
  width: 100%;
  accent-color: var(--energy);
}

.shared-transport__commands {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 7px;
}

.shared-listening {
  max-width: 210px;
  margin-left: 6px;
  color: #c6d0cd;
  font-size: 10px;
  line-height: 1.35;
}

.shared-listening strong {
  color: var(--white);
  font-weight: 700;
}

.player-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.player-card {
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.player-card[data-audio-selected="true"][data-sync-enabled="true"] {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px var(--accent);
}

.player-card__header {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.player-card__method {
  min-width: 0;
}

.listen-control {
  max-width: 100%;
  padding: 4px 6px;
  margin: -4px -6px;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.listen-control[aria-pressed="true"] h3::after {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 7px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
  vertical-align: 2px;
}

.player-card__method h3 {
  margin: 0;
  font-size: 14px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.player-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  color: var(--ink-soft);
  font-size: 10px;
}

.player-status::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line-strong);
  content: "";
}

.player-status[data-state="ready"]::before,
.player-status[data-state="playing"]::before {
  background: var(--accent);
}

.player-status[data-state="playing"]::before {
  box-shadow: 0 0 0 3px rgb(8 127 140 / 16%);
}

.player-status[data-state="error"] {
  color: #a33122;
}

.player-status[data-state="error"]::before {
  background: var(--heat);
}

.viewer-shell {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--viewer);
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.viewer-shell[data-dragging="true"] {
  cursor: grabbing;
}

.viewer-shell[data-display-mode="flat"] {
  cursor: default;
  touch-action: auto;
}

.viewer-shell canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.media-source {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.viewer-shell[data-display-mode="flat"] .media-source {
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 1;
  object-fit: contain;
}

.viewer-shell[data-display-mode="flat"] canvas,
.viewer-shell[data-display-mode="flat"] .view-bearing,
.viewer-shell[data-display-mode="flat"] .view-reticle {
  display: none !important;
}

.viewer-shell[data-display-mode="flat"] .viewer-message {
  z-index: 2;
}

.viewer-message {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--viewer);
  color: #c2cdca;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  line-height: 1.5;
  text-align: center;
  pointer-events: none;
}

.viewer-message[hidden] {
  display: none;
}

.view-bearing {
  position: absolute;
  top: 10px;
  left: 10px;
  min-width: 72px;
  padding: 5px 7px;
  border: 1px solid rgb(255 255 255 / 22%);
  background: rgb(8 12 13 / 72%);
  color: var(--white);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 9px;
  pointer-events: none;
}

.view-reticle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  border: 1px solid rgb(255 255 255 / 72%);
  border-radius: 50%;
  translate: -50% -50%;
  pointer-events: none;
}

.view-reticle::before,
.view-reticle::after {
  position: absolute;
  background: rgb(255 255 255 / 72%);
  content: "";
}

.view-reticle::before {
  top: 5px;
  left: -5px;
  width: 20px;
  height: 1px;
}

.view-reticle::after {
  top: -5px;
  left: 5px;
  width: 1px;
  height: 20px;
}

.player-controls {
  padding: 12px;
  background: var(--viewer-raised);
  color: var(--white);
}

.timeline-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 32px;
}

.timeline-row input[type="range"],
.volume-control input[type="range"] {
  width: 100%;
  accent-color: var(--energy);
  cursor: pointer;
}

.time-label {
  min-width: 72px;
  color: #c6d0cd;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  text-align: right;
}

.control-row {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
}

.player-card[data-sync-enabled="true"] .timeline-row,
.player-card[data-sync-enabled="true"] .play-control,
.player-card[data-sync-enabled="true"] .stop-control,
.player-card[data-sync-enabled="true"] .mute-control,
.player-card[data-sync-enabled="true"] .volume-control {
  display: none;
}

.player-card[data-sync-enabled="true"] .control-row {
  margin-top: 0;
}

.player-card[data-display-mode="flat"] .reset-control {
  display: none;
}

.icon-button {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--viewer-line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.icon-button:hover {
  border-color: #728286;
  background: #253135;
}

.icon-button--primary {
  border-color: var(--accent);
  background: var(--accent);
}

.icon-button--primary:hover {
  border-color: #0b9aaa;
  background: #0b8f9d;
}

.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.icon-button svg {
  width: 17px;
  height: 17px;
  stroke-width: 1.8;
}

.control-spacer {
  flex: 1 1 auto;
}

.volume-control {
  min-width: 72px;
  max-width: 106px;
  display: flex;
  align-items: center;
  flex: 1 1 96px;
}

noscript {
  display: block;
  padding: 18px;
  background: #ffe4dd;
  color: #842516;
  text-align: center;
}

@media (max-width: 1179px) {
  .player-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .intro-band__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 699px) {
  .intro-band__inner,
  .sample-band__inner,
  .comparison-section {
    width: min(100% - 24px, 1680px);
  }

  .intro-band__inner {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 22px;
    padding-block: 34px 30px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.05;
  }

  .oscar-expansion {
    margin-top: 10px;
    font-size: 20px;
  }

  .comparison-section {
    padding-block: 34px 48px;
  }

  .comparison-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .comparison-tools {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .display-mode-control {
    flex: 1 1 auto;
  }

  .shared-transport {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .shared-transport__commands {
    flex-wrap: wrap;
  }

  .shared-listening {
    max-width: none;
    flex: 1 1 140px;
  }

  .player-grid {
    grid-template-columns: 1fr;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}