body[data-page='music-timeline'] {
  color-scheme: dark;
  --mt-bg: #080b13;
  --mt-surface: #111725;
  --mt-surface-strong: #182136;
  --mt-line: rgba(255, 255, 255, 0.12);
  --mt-text: #f8f5eb;
  --mt-muted: rgba(248, 245, 235, 0.65);
  --mt-violet: #a78bfa;
  --mt-cyan: #55d9e8;
  --mt-green: #62dda2;
  --mt-red: #ff7e78;
  --mt-yellow: #ffd166;
  min-height: 100dvh;
  margin: 0;
  color: var(--mt-text);
  background:
    radial-gradient(circle at 8% -5%, rgba(167, 139, 250, 0.23), transparent 32rem),
    radial-gradient(circle at 95% 22%, rgba(85, 217, 232, 0.13), transparent 30rem),
    var(--mt-bg);
  font-family: var(--font-body, system-ui, sans-serif);
}

body[data-page='music-timeline'] *,
body[data-page='music-timeline'] *::before,
body[data-page='music-timeline'] *::after {
  box-sizing: border-box;
}

body[data-page='music-timeline'] [hidden] {
  display: none !important;
}

body[data-page='music-timeline'] h1,
body[data-page='music-timeline'] h2,
body[data-page='music-timeline'] h3,
body[data-page='music-timeline'] p {
  margin-top: 0;
}

body[data-page='music-timeline'] h1,
body[data-page='music-timeline'] h2,
body[data-page='music-timeline'] h3 {
  color: var(--mt-text);
  font-family: var(--font-display, ui-serif, Georgia, serif);
}

body[data-page='music-timeline'] button,
body[data-page='music-timeline'] input {
  font: inherit;
}

body[data-page='music-timeline'] button:focus-visible,
body[data-page='music-timeline'] a:focus-visible,
body[data-page='music-timeline'] input:focus-visible {
  outline: 3px solid var(--mt-cyan);
  outline-offset: 3px;
}

.mt-skip {
  position: fixed;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  border-radius: 0.75rem;
  color: #080b13;
  background: var(--mt-text);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-160%);
}

.mt-skip:focus {
  transform: translateY(0);
}

.mt-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100%, 88rem);
  margin: 0 auto;
  padding: max(0.85rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 0.85rem
    max(1rem, env(safe-area-inset-left));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mt-brand,
.mt-topbar__actions,
.mt-connection,
.mt-section-head,
.mt-gamebar,
.mt-dialog-head {
  display: flex;
  align-items: center;
}

.mt-brand {
  gap: 0.7rem;
  color: var(--mt-text);
  text-decoration: none;
}

.mt-brand > span {
  display: grid;
  width: 2.55rem;
  height: 2.55rem;
  place-items: center;
  border-radius: 50%;
  color: #101422;
  background: linear-gradient(145deg, var(--mt-cyan), var(--mt-violet));
  box-shadow: 0 0.7rem 1.7rem rgba(85, 217, 232, 0.2);
  font-size: 1.25rem;
}

.mt-topbar__actions {
  gap: 0.55rem;
}

.mt-connection {
  gap: 0.45rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--mt-muted);
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.75rem;
  font-weight: 750;
}

.mt-connection i {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #72798a;
}

.mt-connection[data-state='online'] i {
  background: var(--mt-green);
  box-shadow: 0 0 0.8rem rgba(98, 221, 162, 0.7);
}

.mt-connection[data-state='connecting'] i {
  background: var(--mt-yellow);
}

.mt-connection[data-state='offline'] i {
  background: var(--mt-red);
}

.mt-shell {
  width: min(100%, 88rem);
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2.4rem) max(1rem, env(safe-area-inset-right))
    max(3rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}

.mt-screen {
  animation: mt-enter 240ms ease-out both;
}

.mt-hero,
.mt-stage-head,
.mt-layout,
.mt-setup-grid {
  display: grid;
  gap: clamp(1rem, 3vw, 2rem);
}

.mt-hero {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin: clamp(1.4rem, 5vw, 4rem) 0 clamp(1.3rem, 4vw, 3rem);
}

.mt-hero h1,
.mt-stage-head h1,
.mt-final h1 {
  max-width: 15ch;
  margin-bottom: 0.65rem;
  font-size: clamp(2.15rem, 7vw, 5rem);
  line-height: 0.98;
}

.mt-hero p:not(.mt-kicker),
.mt-stage-head p:not(.mt-kicker) {
  max-width: 58ch;
  color: var(--mt-muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.mt-record {
  display: grid;
  width: clamp(7.5rem, 20vw, 13rem);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--mt-violet) 0 8%, #0e1320 9% 17%, transparent 18%),
    repeating-radial-gradient(circle, #202a3e 0 3px, #101624 4px 8px);
  box-shadow: 0 1.8rem 4rem rgba(0, 0, 0, 0.35);
  animation: mt-spin 14s linear infinite;
}

.mt-record span {
  color: white;
  font-size: 1.25rem;
}

.mt-kicker {
  margin-bottom: 0.45rem;
  color: var(--mt-cyan);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mt-setup-grid,
.mt-layout {
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.75fr);
  align-items: start;
}

.mt-card,
.mt-continue {
  border: 1px solid var(--mt-line);
  border-radius: 1.35rem;
  background: linear-gradient(145deg, rgba(24, 33, 54, 0.92), rgba(14, 20, 33, 0.94));
  box-shadow: 0 1.3rem 4rem rgba(0, 0, 0, 0.24);
}

.mt-card {
  padding: clamp(1rem, 3vw, 1.6rem);
}

.mt-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mt-stack > * {
  margin-bottom: 0;
}

.mt-continue {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 0.8rem 1rem;
}

.mt-continue div {
  display: flex;
  gap: 0.55rem;
}

.mt-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

body[data-page='music-timeline'] label {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  color: var(--mt-muted);
  font-size: 0.82rem;
  font-weight: 750;
}

body[data-page='music-timeline'] input[type='text'],
body[data-page='music-timeline'] input[type='number'] {
  width: 100%;
  min-height: 3rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--mt-line);
  border-radius: 0.8rem;
  color: var(--mt-text);
  background: rgba(3, 6, 12, 0.46);
}

body[data-page='music-timeline'] fieldset {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  border: 0;
}

body[data-page='music-timeline'] legend {
  margin-bottom: 0.65rem;
  font-weight: 800;
}

body[data-page='music-timeline'] fieldset label {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem;
  border: 1px solid var(--mt-line);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.035);
  cursor: pointer;
}

body[data-page='music-timeline'] fieldset label:has(input:checked) {
  border-color: rgba(85, 217, 232, 0.55);
  background: rgba(85, 217, 232, 0.09);
}

body[data-page='music-timeline'] fieldset input {
  width: 1.2rem;
  height: 1.2rem;
  accent-color: var(--mt-cyan);
}

body[data-page='music-timeline'] fieldset span,
body[data-page='music-timeline'] fieldset small {
  display: block;
}

body[data-page='music-timeline'] fieldset strong {
  color: var(--mt-text);
}

body[data-page='music-timeline'] fieldset small,
.mt-hint {
  color: var(--mt-muted);
}

body[data-page='music-timeline'] button,
.button-link {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1rem;
  border: 0;
  border-radius: 0.85rem;
  color: #0b1020;
  background: linear-gradient(135deg, var(--mt-cyan), #8de3c2);
  box-shadow: 0 0.85rem 1.8rem rgba(85, 217, 232, 0.15);
  font-weight: 850;
  text-decoration: none;
  cursor: pointer;
}

body[data-page='music-timeline'] button:hover,
.button-link:hover {
  transform: translateY(-1px);
}

body[data-page='music-timeline'] button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

body[data-page='music-timeline'] .ghost {
  border: 1px solid var(--mt-line);
  color: var(--mt-text);
  background: rgba(255, 255, 255, 0.035);
  box-shadow: none;
}

body[data-page='music-timeline'] .danger {
  border-color: rgba(255, 126, 120, 0.32);
  color: var(--mt-red);
}

.mt-icon-button {
  min-height: 2.6rem !important;
  padding: 0.45rem 0.8rem !important;
  border: 1px solid var(--mt-line) !important;
  color: var(--mt-text) !important;
  background: rgba(255, 255, 255, 0.035) !important;
  box-shadow: none !important;
}

.mt-toast {
  position: fixed;
  top: 5rem;
  left: 50%;
  z-index: 90;
  width: min(calc(100% - 2rem), 34rem);
  padding: 0.8rem 1rem;
  border: 1px solid rgba(85, 217, 232, 0.35);
  border-radius: 0.85rem;
  color: var(--mt-text);
  background: rgba(13, 20, 33, 0.96);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.4);
  text-align: center;
  transform: translateX(-50%);
}

.mt-toast[data-kind='error'] {
  border-color: rgba(255, 126, 120, 0.55);
}

.mt-stage-head {
  grid-template-columns: 1fr auto;
  align-items: center;
  margin: 1.5rem 0 1.2rem;
}

.mt-qr {
  display: grid;
  width: 9.5rem;
  min-height: 9.5rem;
  place-items: center;
  padding: 0.5rem;
  border-radius: 1rem;
  background: white;
}

.mt-qr canvas,
.mt-qr img {
  max-width: 100%;
}

.mt-section-head,
.mt-gamebar,
.mt-dialog-head {
  justify-content: space-between;
  gap: 1rem;
}

.mt-section-head h2,
.mt-dialog-head h2 {
  margin-bottom: 0;
}

.mt-teams,
.mt-scoreboard {
  display: grid;
  gap: 0.55rem;
}

.mt-team,
.mt-score-row {
  display: grid;
  align-items: center;
  gap: 0.7rem;
  min-height: 3.2rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.035);
}

.mt-team {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.mt-score-row {
  grid-template-columns: auto minmax(0, 1fr) auto auto;
}

.mt-team.is-current,
.mt-score-row.is-current {
  border-color: rgba(167, 139, 250, 0.55);
  background: rgba(167, 139, 250, 0.1);
}

.mt-team__index,
.mt-score-row__rank {
  display: grid;
  width: 1.8rem;
  height: 1.8rem;
  place-items: center;
  border-radius: 50%;
  color: #0b1020;
  background: var(--mt-violet);
  font-size: 0.72rem;
  font-weight: 900;
}

.mt-team button {
  min-height: 2.2rem !important;
  padding: 0.3rem 0.65rem !important;
  color: var(--mt-red) !important;
  background: transparent !important;
  box-shadow: none !important;
}

.mt-team__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}

.mt-team button[data-reset-phone] {
  color: var(--mt-cyan) !important;
}

.mt-phone-status {
  color: var(--mt-yellow);
  font-size: 0.72rem;
  font-weight: 750;
}

.mt-reset-phone {
  min-height: 2rem !important;
  padding: 0.25rem 0.55rem !important;
  color: var(--mt-cyan) !important;
  font-size: 0.7rem;
}

.mt-gamebar {
  margin: 1rem 0;
}

.mt-gamebar h1 {
  margin-bottom: 0.25rem;
  font-size: clamp(1.75rem, 5vw, 3rem);
}

.mt-timer {
  display: grid;
  min-width: 5rem;
  min-height: 5rem;
  place-items: center;
  align-content: center;
  border: 1px solid rgba(85, 217, 232, 0.35);
  border-radius: 50%;
  background: rgba(85, 217, 232, 0.08);
}

.mt-timer strong {
  font-size: 1.65rem;
  line-height: 1;
}

.mt-timer small {
  color: var(--mt-muted);
  font-size: 0.65rem;
}

.mt-timer.is-low {
  border-color: rgba(255, 126, 120, 0.6);
  color: var(--mt-red);
  animation: mt-pulse 1s ease-in-out infinite;
}

.mt-layout--game {
  grid-template-columns: minmax(0, 1.65fr) minmax(16rem, 0.65fr);
}

.mt-play {
  min-height: 24rem;
}

.mt-audio-panel,
.mt-active-panel,
.mt-wait,
.mt-reveal {
  min-height: 20rem;
}

.mt-audio-panel,
.mt-active-panel,
.mt-reveal {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
}

.mt-player {
  position: relative;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 1rem;
  background: #05070c;
}

.mt-player iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.mt-player > .mt-hint {
  display: grid;
  min-height: 100%;
  margin: 0;
  padding: 2rem;
  place-items: center;
  text-align: center;
}

.mt-player-fallback-actions {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
}

.mt-player-cover {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.7rem;
  background:
    radial-gradient(circle at center, rgba(167, 139, 250, 0.2), transparent 45%),
    linear-gradient(145deg, #101727, #080c15);
  text-align: center;
}

.mt-player-cover__note {
  display: grid;
  width: 4.5rem;
  height: 4.5rem;
  place-items: center;
  border: 1px solid rgba(85, 217, 232, 0.35);
  border-radius: 50%;
  color: var(--mt-cyan);
  background: rgba(85, 217, 232, 0.08);
  font-size: 2rem;
  animation: mt-pulse 1.8s ease-in-out infinite;
}

.mt-player-cover button {
  min-height: 2.5rem !important;
  padding: 0.45rem 0.8rem !important;
}

.mt-wait {
  display: grid;
  place-items: center;
  align-content: center;
  color: var(--mt-muted);
  text-align: center;
}

.mt-wait > span {
  display: grid;
  width: 5.2rem;
  height: 5.2rem;
  place-items: center;
  margin-bottom: 0.8rem;
  border-radius: 50%;
  color: var(--mt-cyan);
  background: rgba(85, 217, 232, 0.08);
  font-size: 2.2rem;
  animation: mt-pulse 1.8s ease-in-out infinite;
}

.mt-callout {
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--mt-cyan);
  border-radius: 0.3rem 0.8rem 0.8rem 0.3rem;
  color: var(--mt-muted);
  background: rgba(85, 217, 232, 0.07);
}

.mt-timeline {
  display: flex;
  align-items: stretch;
  gap: 0.55rem;
  padding: 0.5rem 0 0.8rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: x proximity;
}

.mt-track-card {
  display: grid;
  flex: 0 0 8.5rem;
  min-height: 9.5rem;
  padding: 0.85rem;
  border: 1px solid var(--mt-line);
  border-radius: 1rem;
  background: linear-gradient(145deg, rgba(167, 139, 250, 0.16), rgba(85, 217, 232, 0.06));
  scroll-snap-align: center;
}

.mt-track-card strong {
  align-self: end;
  color: var(--mt-cyan);
  font-size: 1.5rem;
}

.mt-track-card span {
  font-weight: 800;
}

.mt-track-card small {
  color: var(--mt-muted);
}

.mt-slot {
  flex: 0 0 5.8rem;
  min-height: 9.5rem !important;
  padding: 0.55rem !important;
  border: 2px dashed rgba(85, 217, 232, 0.48) !important;
  color: var(--mt-cyan) !important;
  background: rgba(85, 217, 232, 0.05) !important;
  box-shadow: none !important;
  font-size: 0.76rem;
  line-height: 1.2;
}

.mt-slot:hover {
  border-style: solid !important;
  background: rgba(85, 217, 232, 0.12) !important;
}

.mt-reveal {
  align-items: center;
  text-align: center;
}

.mt-reveal h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 6vw, 4rem);
}

.mt-reveal > strong {
  color: var(--mt-cyan);
  font-size: clamp(3rem, 10vw, 6rem);
  line-height: 1;
}

.mt-result-badge {
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  color: #092017;
  background: var(--mt-green);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mt-result-badge.is-wrong {
  color: #2c0c0a;
  background: var(--mt-red);
}

.mt-all-timelines {
  margin-top: 1rem;
}

.mt-team-timeline + .mt-team-timeline {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--mt-line);
}

.mt-team-timeline h3 {
  margin-bottom: 0.1rem;
}

.mt-team-timeline > p {
  margin-bottom: 0.35rem;
  color: var(--mt-muted);
  font-size: 0.78rem;
}

.mt-final {
  display: flex;
  min-height: calc(100dvh - 9rem);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
}

.mt-trophy {
  display: grid;
  width: 7rem;
  height: 7rem;
  place-items: center;
  border-radius: 50%;
  color: #17120a;
  background: linear-gradient(145deg, #fff0a4, var(--mt-yellow));
  box-shadow: 0 1.5rem 4rem rgba(255, 209, 102, 0.2);
  font-size: 3rem;
}

.mt-scoreboard--final {
  width: min(100%, 34rem);
}

dialog#mt-rules {
  width: min(calc(100% - 2rem), 42rem);
  max-height: min(90dvh, 48rem);
  padding: 1.25rem;
  overflow: auto;
  border: 1px solid var(--mt-line);
  border-radius: 1.25rem;
  color: var(--mt-text);
  background: var(--mt-surface-strong);
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.55);
}

dialog#mt-rules::backdrop {
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(5px);
}

dialog#mt-rules li {
  margin-bottom: 0.7rem;
  color: var(--mt-muted);
}

@keyframes mt-enter {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
  }
}

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

@keyframes mt-pulse {
  50% {
    transform: scale(1.04);
  }
}

@media (max-width: 760px) {
  .mt-setup-grid,
  .mt-layout,
  .mt-layout--game {
    grid-template-columns: 1fr;
  }

  .mt-stage-head {
    grid-template-columns: 1fr;
  }

  .mt-qr {
    display: none;
  }

  .mt-record {
    width: 7rem;
  }

  .mt-connection span {
    display: none;
  }

  .mt-gamebar {
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .mt-hero {
    grid-template-columns: 1fr;
  }

  .mt-record {
    display: none;
  }

  .mt-fields,
  .mt-continue {
    grid-template-columns: 1fr;
  }

  .mt-continue {
    display: grid;
  }

  .mt-continue div {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .mt-topbar {
    align-items: flex-start;
  }

  .mt-brand strong {
    font-size: 0.92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mt-screen,
  .mt-record,
  .mt-wait > span,
  .mt-player-cover__note,
  .mt-timer.is-low {
    animation: none;
  }
}