:root{
  --music-panel-bg: rgba(10,18,32,0.85);
  --music-surface: rgba(16,26,45,0.92);
  --music-border: rgba(79,123,255,0.2);
  --music-shadow: 0 24px 48px rgba(8,15,28,0.45);
  --music-tag-bg: rgba(79,123,255,0.14);
  --music-tag-text: rgba(211,225,255,0.92);
  --music-timeline-pill: rgba(79,123,255,0.16);
  --music-active-pill: linear-gradient(135deg, rgba(79,123,255,0.9), rgba(167,139,250,0.9));
}

:root[data-theme="light"]{
  --music-panel-bg: rgba(255,255,255,0.94);
  --music-surface: rgba(255,255,255,0.96);
  --music-border: rgba(79,123,255,0.28);
  --music-shadow: 0 24px 46px rgba(79,123,255,0.24);
  --music-tag-bg: rgba(79,123,255,0.14);
  --music-tag-text: rgba(51,65,92,0.92);
  --music-timeline-pill: rgba(79,123,255,0.18);
}

body.music-page{
  background: radial-gradient(circle at top right, rgba(79,123,255,0.14), transparent 45%),
    radial-gradient(circle at bottom left, rgba(167,139,250,0.18), transparent 55%),
    var(--bg);
  color: var(--ink);
}

.music-app{
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  min-height: calc(100vh - var(--nav-height, 72px));
  padding: clamp(16px, 4vw, 24px);
}

.music-topbar{
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 18px;
  background: var(--music-panel-bg);
  border: 1px solid var(--music-border);
  border-radius: 18px;
  box-shadow: var(--music-shadow);
}

.music-topbar__title{
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  margin: 0;
}

.music-topbar__actions{
  margin-left: auto;
  display: flex;
  gap: 10px;
}

.music-topbar__btn{
  border-radius: 14px;
  border: 1px solid var(--music-border);
  background: rgba(12,20,34,0.8);
  color: var(--text, #f8fbff);
  padding: 10px 16px;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}

:root[data-theme="light"] .music-topbar__btn{
  background: #fff;
  color: var(--ink);
}

.music-topbar__btn:hover,
.music-topbar__btn:focus-visible{
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(79,123,255,0.28);
  border-color: rgba(79,123,255,0.45);
  outline: none;
}

.music-topbar__btn:active{
  transform: translateY(1px);
}

.music-timeline{
  background: var(--music-panel-bg);
  border: 1px solid var(--music-border);
  border-radius: 18px;
  padding: 14px clamp(12px, 3vw, 18px);
  box-shadow: var(--music-shadow);
}

.music-timeline__label{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.music-timeline__label h2{
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.music-timeline__carousel{
  display: flex;
  align-items: stretch;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x proximity;
}

.music-timeline__item{
  min-width: 160px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid transparent;
  background: var(--music-timeline-pill);
  display: grid;
  gap: 6px;
  cursor: pointer;
  scroll-snap-align: start;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}

.music-timeline__item strong{
  font-size: 15px;
  font-weight: 600;
}

.music-timeline__item span{
  font-size: 13px;
  color: var(--muted);
}

.music-timeline__item[aria-pressed="true"],
.music-timeline__item:hover,
.music-timeline__item:focus-visible{
  background: var(--music-active-pill);
  color: var(--cta-text);
  border-color: rgba(255,255,255,0.35);
  transform: translateY(-2px);
  box-shadow: 0 20px 36px rgba(79,123,255,0.34);
  outline: none;
}

.music-layout{
  display: grid;
  gap: clamp(14px, 3vw, 20px);
  grid-template-columns: minmax(220px, 260px) minmax(0, 1.1fr) minmax(280px, 320px);
  min-height: 0;
}

@media (max-width: 1080px){
  .music-layout{
    grid-template-columns: minmax(200px, 240px) minmax(0, 1fr);
    grid-template-areas:
      "tracks tracks"
      "scenes panel";
  }
  .music-scenes{grid-area: scenes;}
  .music-tracks{grid-area: tracks;}
  .music-panel{grid-area: panel;}
}

@media (max-width: 880px){
  .music-layout{
    grid-template-columns: 1fr;
    grid-template-areas:
      "tracks"
      "scenes"
      "panel";
  }
}

.music-scenes,
.music-tracks,
.music-panel{
  background: var(--music-panel-bg);
  border: 1px solid var(--music-border);
  border-radius: 20px;
  box-shadow: var(--music-shadow);
  padding: clamp(16px, 3vw, 22px);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.music-scenes{
  gap: 12px;
}

.music-scenes header{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.music-scenes header h2{
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.music-scenes__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  overflow-y: auto;
}

.music-scene-btn{
  border-radius: 14px;
  border: 1px solid transparent;
  padding: 10px 12px;
  background: rgba(14,24,40,0.9);
  color: inherit;
  text-align: left;
  display: grid;
  gap: 4px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}

.music-scene-btn strong{font-size: 14px;}
.music-scene-btn span{font-size: 12px; color: var(--muted);}

.music-scene-btn:hover,
.music-scene-btn:focus-visible{
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(79,123,255,0.28);
  border-color: rgba(79,123,255,0.35);
  outline: none;
}

.music-scene-btn[aria-pressed="true"]{
  background: linear-gradient(135deg, rgba(79,123,255,0.75), rgba(167,139,250,0.75));
  border-color: rgba(255,255,255,0.45);
  color: var(--cta-text);
}

.music-tracks{
  gap: 16px;
  overflow: hidden;
}

.music-tracks header{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.music-tracks header h2{
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.music-tracks__list{
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  overflow-y: auto;
  padding-right: 6px;
}

.music-track{
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(79,123,255,0.2);
  background: var(--music-surface);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position: relative;
}

.music-track[data-selected="true"]{
  border-color: rgba(255,255,255,0.4);
  box-shadow: 0 20px 38px rgba(79,123,255,0.32);
}

.music-track:hover{
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(79,123,255,0.24);
}

.music-track__meta{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.music-track__meta h3{
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.music-track__scene{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.music-track__scene a{
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}

.music-track__tags{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.music-tag{
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--music-tag-bg);
  color: var(--music-tag-text);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.music-track__controls{
  display: flex;
  align-items: center;
  gap: 12px;
}

.music-track__play{
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(79,123,255,0.3);
  background: linear-gradient(135deg, rgba(79,123,255,0.45), rgba(167,139,250,0.45));
  color: var(--cta-text);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}

.music-track__play:hover,
.music-track__play:focus-visible{
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(79,123,255,0.4);
  outline: none;
}

.music-track__duration{
  font-size: 12px;
  color: var(--muted);
}

.music-track__assign{
  border-radius: 12px;
  border: 1px solid rgba(79,123,255,0.28);
  background: transparent;
  color: var(--acc);
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.music-track__assign:hover,
.music-track__assign:focus-visible{
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(79,123,255,0.28);
  border-color: rgba(79,123,255,0.45);
  outline: none;
}

.music-track__assign:active{
  transform: translateY(1px);
}

.music-panel{
  gap: 16px;
}

.music-panel__tabs{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}

.music-panel__tab{
  border-radius: 12px;
  border: 1px solid rgba(79,123,255,0.24);
  background: rgba(13,24,40,0.85);
  color: inherit;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.music-panel__tab[aria-selected="true"]{
  background: linear-gradient(135deg, rgba(79,123,255,0.88), rgba(167,139,250,0.88));
  color: var(--cta-text);
  border-color: rgba(255,255,255,0.35);
  box-shadow: 0 20px 36px rgba(79,123,255,0.34);
}

.music-panel__tab:hover,
.music-panel__tab:focus-visible{
  transform: translateY(-1px);
  box-shadow: 0 18px 32px rgba(79,123,255,0.26);
  outline: none;
}

.music-panel__content{
  background: rgba(12,20,34,0.85);
  border-radius: 16px;
  border: 1px solid rgba(79,123,255,0.2);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
  overflow-y: auto;
}

.music-panel__content[hidden]{
  display: none;
}

:root[data-theme="light"] .music-panel__content{
  background: rgba(255,255,255,0.92);
}

.music-panel__section h3{
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
}

.music-panel__section p{
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.music-panel__grid{
  display: grid;
  gap: 12px;
}

.music-panel__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.music-panel__card{
  border-radius: 12px;
  border: 1px solid rgba(79,123,255,0.24);
  padding: 12px;
  background: rgba(11,20,34,0.82);
  display: grid;
  gap: 6px;
}

:root[data-theme="light"] .music-panel__card{
  background: rgba(255,255,255,0.96);
}

.music-panel__card h4{
  margin: 0;
  font-size: 14px;
}

.music-panel__card p{
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.music-panel__textarea{
  width: 100%;
  min-height: 120px;
  border-radius: 12px;
  border: 1px solid rgba(79,123,255,0.22);
  background: rgba(11,20,34,0.82);
  color: inherit;
  padding: 12px;
  font: inherit;
  resize: vertical;
}

:root[data-theme="light"] .music-panel__textarea{
  background: rgba(255,255,255,0.95);
}

.music-panel__empty{
  font-size: 13px;
  color: var(--muted);
}

.music-scenes__filters{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.music-scenes__filters button{
  border-radius: 10px;
  border: 1px solid rgba(79,123,255,0.24);
  background: rgba(12,20,34,0.75);
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.music-scenes__filters button[aria-pressed="true"]{
  background: linear-gradient(135deg, rgba(79,123,255,0.8), rgba(167,139,250,0.8));
  color: var(--cta-text);
  border-color: rgba(255,255,255,0.35);
}

.music-scenes__filters button:hover,
.music-scenes__filters button:focus-visible{
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(79,123,255,0.24);
  outline: none;
}

.music-track__waveform{
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(79,123,255,0.6), rgba(167,139,250,0.6));
  position: relative;
  overflow: hidden;
}

.music-track__waveform::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.12), transparent);
  animation: musicWave 2.6s linear infinite;
}

@keyframes musicWave{
  from{transform: translateX(-60%);}
  to{transform: translateX(120%);}
}

.music-topbar__summary{
  font-size: 13px;
  color: var(--muted);
}

.music-topbar__summary strong{color: var(--acc);}

.music-link{
  color: var(--acc);
  text-decoration: none;
  font-weight: 600;
}

.music-link:hover,
.music-link:focus-visible{
  text-decoration: underline;
  outline: none;
}