:root {
  --bg: #070b1f;
  --panel: rgba(14, 22, 48, 0.78);
  --text: #eef2ff;
  --lane-a: #f9f3ff;
  --lane-b: #eaf5ff;
  --tile: #06080f;
  --hit-line: #24d2ff;
  --pink: #ff4db8;
  --cyan: #31d7ff;
  --violet: #7b63ff;
  --bad: #ff5f6d;
  --ok: #31d0aa;
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
}

body {
  margin: 0;
  font-family: Inter, system-ui, Arial, sans-serif;
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 77, 184, 0.18), transparent 35%),
    radial-gradient(circle at 80% 16%, rgba(49, 215, 255, 0.16), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(123, 99, 255, 0.22), transparent 40%),
    linear-gradient(160deg, #0a1030 0%, var(--bg) 45%, #050714 100%);
  color: var(--text);
  min-height: 100vh;
}

.app {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 16px 24px calc(24px + env(safe-area-inset-bottom));
}

.screen {
  display: block;
}

.screen.hidden {
  display: none;
}

#songScreen {
  min-height: calc(100vh - 36px);
  display: flex;
  flex-direction: column;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

#songScreen.hidden,
#gameScreen.hidden {
  display: none;
}

#songScreen .song-controls {
  flex: 1;
  align-content: start;
}

#songScreen > .topbar,
#songScreen > .song-main {
  width: 100%;
}

.song-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  flex: 1;
  min-height: 0;
}

.song-left-stack {
  display: grid;
  gap: 12px;
  align-content: start;
}

.hero-panel {
  position: relative;
  margin-bottom: 12px;
  padding: 16px 14px 14px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(20, 33, 72, 0.88), rgba(10, 16, 38, 0.9));
  border: 1px solid rgba(146, 177, 246, 0.35);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: -55px;
  top: -75px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(49, 215, 255, 0.35), transparent 70%);
}

.hero-panel::after {
  content: "";
  position: absolute;
  width: 190px;
  height: 190px;
  left: -65px;
  bottom: -110px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 77, 184, 0.25), transparent 70%);
}

.hero-kicker {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #7ad7ff;
  font-weight: 700;
}

.hero-panel h1 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
  color: #f5f7ff;
}

.hero-subtitle {
  margin: 8px 0 12px;
  color: #b8c8ef;
  font-size: 13px;
}

.hero-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-chips span {
  font-size: 11px;
  font-weight: 700;
  color: #d6e5ff;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(111, 145, 223, 0.25);
  border: 1px solid rgba(160, 192, 255, 0.3);
}

.topbar, .controls {
  background: var(--panel);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 12px;
  border: 1px solid rgba(151, 185, 255, 0.22);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

#gameScreen {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.3px;
  background: linear-gradient(90deg, #fff, #afe6ff 45%, #ffb7e6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stats {
  display: flex;
  gap: 10px;
  font-size: 14px;
}

.controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.song-controls {
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 0;
}

.song-left,
.song-right {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 0;
}

.song-right {
  min-height: 0;
  margin-bottom: 0;
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.search-row button {
  min-width: 92px;
}

.game-controls {
  grid-template-columns: repeat(3, 1fr);
}

.option-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.option-field {
  display: grid;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: #c5d5ff;
}

.option-field select {
  width: 100%;
  min-height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(153, 191, 255, 0.26);
  background: rgba(10, 16, 35, 0.85);
  color: #f2f6ff;
  padding: 8px 10px;
}

.toggle-field {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #c5d5ff;
  user-select: none;
}

.toggle-field input {
  width: 18px;
  height: 18px;
  min-height: 18px !important;
  padding: 0 !important;
  border: 1px solid rgba(147, 178, 241, 0.55) !important;
  border-radius: 4px !important;
  background: rgba(10, 16, 35, 0.95) !important;
  accent-color: #31d7ff;
  appearance: auto;
  -webkit-appearance: checkbox;
  flex: 0 0 auto;
}

.toggle-field span {
  line-height: 1.2;
}

.install-btn {
  background: linear-gradient(135deg, #19c7a5 0%, #31d7ff 100%) !important;
  color: #082026 !important;
  font-weight: 800;
}

.track-list {
  grid-column: 1 / -1;
  display: grid;
  gap: 10px;
  max-height: 62vh;
  overflow: auto;
  padding-right: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(132, 174, 255, 0.55) transparent;
  overscroll-behavior: contain;
}

.track-list::-webkit-scrollbar {
  width: 7px;
}

.track-list::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(132, 174, 255, 0.5);
}

.track-item {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 9px;
  border-radius: 12px;
  background: rgba(7, 12, 30, 0.72);
  border: 1px solid rgba(138, 170, 238, 0.28);
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, box-shadow 120ms ease;
}

.track-item:hover {
  transform: translateY(-1px);
  border-color: rgba(128, 206, 255, 0.65);
  box-shadow: 0 8px 20px rgba(11, 20, 49, 0.42);
}

.track-item.active {
  border-color: rgba(84, 215, 255, 0.85);
  box-shadow: 0 0 0 1px rgba(84, 215, 255, 0.45);
}

.track-art {
  width: 54px;
  height: 54px;
  border-radius: 10px;
  object-fit: cover;
  background: rgba(255, 255, 255, 0.08);
}

.track-meta {
  min-width: 0;
}

.track-title,
.track-artist {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-title {
  font-size: 14px;
  font-weight: 700;
  color: #f4f7ff;
}

.track-artist {
  font-size: 12px;
  color: #b9c8eb;
}

.track-extra {
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: #9eb3e0;
}

.track-badge {
  padding: 2px 6px;
  border-radius: 999px;
  border: 1px solid rgba(139, 175, 255, 0.4);
  color: #d4e5ff;
}

.track-preview-progress {
  margin-top: 6px;
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: rgba(130, 155, 215, 0.22);
  overflow: hidden;
}

.track-preview-progress > div {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #ff4db8, #31d7ff);
  transition: width 120ms linear;
}

.track-actions {
  display: grid;
  gap: 6px;
}

.track-favorite-btn {
  min-height: 30px;
  min-width: 52px;
  border-radius: 999px;
  border: 1px solid rgba(147, 178, 241, 0.45);
  color: #ffd76a;
  background: rgba(13, 22, 46, 0.9);
  font-size: 15px;
  cursor: pointer;
}

.track-preview-btn {
  min-height: 36px;
  min-width: 52px;
  border-radius: 999px;
  border: 0;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #ff4db8 0%, #7b63ff 45%, #31d7ff 100%);
  cursor: pointer;
}

.controls input, .controls select, .controls button {
  width: 100%;
  border: 0;
  border-radius: 10px;
  padding: 10px;
  min-height: 42px;
  color: #f2f6ff;
  background: rgba(10, 16, 35, 0.85);
  border: 1px solid rgba(153, 191, 255, 0.26);
}

.controls button {
  cursor: pointer;
  font-weight: 700;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  color: #fff;
  border: 0;
  box-shadow: 0 8px 18px rgba(72, 124, 255, 0.35);
  transition: transform 120ms ease, filter 120ms ease;
}

.controls button:hover {
  filter: brightness(1.08);
}

.controls button:active {
  transform: translateY(1px) scale(0.99);
}

.board {
  position: relative;
  width: min(100%, 520px);
  aspect-ratio: 9/16;
  border-radius: 14px;
  overflow: hidden;
  background: #d8deea;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  touch-action: manipulation;
  border: 1px solid rgba(159, 197, 255, 0.25);
  animation: boardFloat 4.5s ease-in-out infinite;
  margin: 0 auto;
}

.lane {
  background: var(--lane-a);
  position: relative;
  overflow: hidden;
}

.lane:nth-child(even) {
  background: var(--lane-b);
}

.lane::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 22%, transparent);
  pointer-events: none;
}

.lane::before {
  content: "";
  position: absolute;
  left: -30%;
  top: -60%;
  width: 160%;
  height: 80%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent);
  transform: rotate(8deg);
  animation: laneShine 2.8s linear infinite;
  opacity: 0.35;
  pointer-events: none;
}

.lane.wrong-flash::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 78, 116, 0.35), rgba(255, 78, 116, 0.12) 45%, transparent 72%);
  animation: wrongFlash 240ms ease-out forwards;
  pointer-events: none;
  z-index: 5;
}

.lane.missed-lane::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 95, 109, 0.36), rgba(255, 95, 109, 0.12) 48%, transparent 78%);
  pointer-events: none;
  z-index: 4;
}

.tile {
  position: absolute;
  left: 0;
  width: 100%;
  height: 17%;
  border-radius: 2px;
  background: linear-gradient(180deg, #0f1322, var(--tile));
  box-shadow: 0 10px 20px rgba(0,0,0,.28), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  cursor: pointer;
  border: 1px solid rgba(230, 240, 255, 0.08);
  transition: transform 90ms ease, filter 100ms ease;
}

.tile.long-tile {
  background: linear-gradient(180deg, #0f121f 0%, #090c14 100%);
}

.tile.long-tile::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background: linear-gradient(90deg, rgba(255, 77, 184, 0.65), rgba(49, 215, 255, 0.65));
}

.tile.long-tile.holding {
  box-shadow: inset 0 0 0 2px rgba(49, 215, 255, 0.8);
}

.tile.missed-tile {
  background: linear-gradient(180deg, #45121e, #9f2438);
  border: 1px solid rgba(255, 160, 160, 0.62);
  box-shadow: 0 0 0 2px rgba(255, 95, 109, 0.45), 0 0 18px rgba(255, 95, 109, 0.55);
}

.tile::before {
  content: "";
  position: absolute;
  left: 8%;
  top: 8%;
  width: 55%;
  height: 16%;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 999px;
}

.hit-line {
  position: absolute;
  left: 0;
  width: 100%;
  bottom: 16%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--hit-line), transparent);
  box-shadow: 0 0 8px rgba(36, 210, 255, 0.7), 0 0 18px rgba(255, 77, 184, 0.45);
  pointer-events: none;
  z-index: 4;
  animation: hitLinePulse 1.05s ease-in-out infinite;
}

.judge-text {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, 0);
  color: #fff;
  font-weight: 800;
  letter-spacing: 1px;
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.5), 0 0 18px rgba(49, 215, 255, 0.5);
  animation: judgeFade 420ms ease-out forwards;
  z-index: 6;
  pointer-events: none;
}

.points-popup {
  position: absolute;
  transform: translate(-50%, -50%);
  color: #ffe37d;
  font-weight: 700;
  font-size: 18px;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5), 0 0 14px rgba(255, 220, 110, 0.55);
  animation: pointsRise 480ms ease-out forwards;
  z-index: 6;
  pointer-events: none;
}

.wrong-tap-marker {
  position: absolute;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 3px solid rgba(255, 87, 120, 0.95);
  background: radial-gradient(circle at center, rgba(255, 68, 108, 0.5), rgba(255, 68, 108, 0.14) 62%, transparent 80%);
  transform: translate(-50%, -50%);
  animation: wrongMarker 420ms ease-out forwards;
  pointer-events: none;
  z-index: 10;
}

.wrong-tap-marker::before,
.wrong-tap-marker::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 65%;
  height: 3px;
  background: rgba(255, 230, 236, 0.92);
  border-radius: 999px;
}

.wrong-tap-marker::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.wrong-tap-marker::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

@keyframes judgeFade {
  0% { opacity: 0; transform: translate(-50%, 10px) scale(0.92); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -18px) scale(1.02); }
}

@keyframes pointsRise {
  0% { opacity: 0; transform: translate(-50%, -20%) scale(0.9); }
  20% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -170%) scale(1.03); }
}

@keyframes boardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes laneShine {
  0% { transform: translateY(-20%) rotate(8deg); opacity: 0; }
  10% { opacity: 0.32; }
  100% { transform: translateY(145%) rotate(8deg); opacity: 0; }
}

@keyframes hitLinePulse {
  0%, 100% { opacity: 0.75; filter: brightness(1); }
  50% { opacity: 1; filter: brightness(1.2); }
}

@keyframes wrongFlash {
  0% { opacity: 0; }
  30% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes wrongMarker {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.72); }
  20% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.32); }
}

.board.board-hit {
  animation: hitPulse 140ms ease-out;
}

@keyframes hitPulse {
  0% { filter: brightness(1); }
  45% { filter: brightness(1.13); }
  100% { filter: brightness(1); }
}

:fullscreen .app,
:-webkit-full-screen .app {
  max-width: min(92vw, 760px);
  padding: 10px;
}

:fullscreen .board,
:-webkit-full-screen .board {
  max-height: 88vh;
  margin: 0 auto;
}

@media (min-width: 768px) and (max-width: 1280px) {
  .app {
    max-width: none;
    width: 100%;
    padding: 20px;
  }

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

  .controls input,
  .controls select,
  .controls button {
    min-height: 48px;
    font-size: 16px;
  }

  .board {
    max-width: 680px;
    margin: 0 auto;
    border-radius: 16px;
  }

  .stats {
    font-size: 16px;
    gap: 14px;
  }

  .tile {
    border-radius: 14px;
  }
}

@media (min-width: 1100px) {
  #songScreen {
    display: grid;
    grid-template-columns: minmax(360px, 42%) minmax(520px, 1fr);
    gap: 16px;
    align-items: start;
  }

  #songScreen > .topbar {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  #songScreen > .hero-panel {
    margin-bottom: 0;
    position: sticky;
    top: 16px;
  }

  #songScreen > .song-controls {
    min-height: calc(100vh - 110px);
    margin-bottom: 0;
  }

  .track-list {
    max-height: calc(100vh - 360px);
  }
}

@media (min-width: 860px) {
  .song-main {
    grid-template-columns: minmax(340px, 38%) minmax(480px, 1fr);
    gap: 14px;
    align-items: start;
  }

  .song-left-stack {
    position: sticky;
    top: 14px;
  }

  .track-list {
    max-height: calc(100vh - 140px);
  }
}

.game-progress {
  margin: 4px 0 12px;
}

.game-progress span {
  display: inline-block;
  font-size: 12px;
  color: #bcd1ff;
  margin-bottom: 6px;
}

.progress-bar {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(130, 155, 215, 0.2);
  overflow: hidden;
}

#progressFill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #ff4db8, #31d7ff);
  transition: width 120ms linear;
}

.overlay-stats {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 13px;
  color: #bdd2ff;
}

.share-card {
  margin: 4px 0 10px;
  padding: 10px;
  border-radius: 12px;
  background: rgba(13, 20, 45, 0.75);
  border: 1px solid rgba(144, 176, 245, 0.24);
}

.share-card p {
  margin: 0 0 8px;
  color: #d2e2ff;
  font-size: 12px;
}

.share-card button {
  min-width: 130px;
}

body.low-effects * {
  animation: none !important;
  transition: none !important;
}

body.low-effects .topbar,
body.low-effects .controls,
body.low-effects .hero-panel,
body.low-effects .track-item,
body.low-effects .board,
body.low-effects .modal {
  box-shadow: none !important;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  display: grid;
  place-items: center;
}

.modal {
  width: min(90vw, 420px);
  background: linear-gradient(155deg, rgba(22, 33, 68, 0.95), rgba(8, 14, 33, 0.95));
  border-radius: 14px;
  padding: 20px;
  text-align: center;
  border: 1px solid rgba(149, 185, 255, 0.3);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

.modal-actions {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.modal button {
  min-width: 140px;
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: #fff;
  background: linear-gradient(135deg, #ff4db8 0%, #7b63ff 45%, #31d7ff 100%);
  box-shadow: 0 10px 22px rgba(103, 98, 255, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease;
}

.modal button:hover {
  filter: brightness(1.08);
}

.modal button:active {
  transform: translateY(1px) scale(0.98);
}

.song-controls,
#gameScreen .topbar,
#gameScreen .controls {
  background: rgba(9, 14, 32, 0.9);
  border: 1px solid rgba(133, 158, 212, 0.2);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

#gameScreen .brand {
  background: none;
  color: #dbe6ff;
}

.board {
  border-radius: 8px;
  background: #f1f4fb;
  border: 1px solid rgba(170, 188, 230, 0.45);
  animation: none;
}

.lane {
  background: #f7f9ff;
}

.lane:nth-child(even) {
  background: #eef2fb;
}

.lane::before,
.lane::after,
.tile::before {
  display: none;
}

.tile {
  background: #05070e;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.hit-line {
  background: linear-gradient(90deg, transparent, #ff5e7b, transparent);
  box-shadow: 0 0 8px rgba(255, 94, 123, 0.72);
}

@media (max-width: 1024px) {
  .app {
    padding: 14px 14px calc(16px + env(safe-area-inset-bottom));
  }

  .topbar, .controls {
    padding: 10px;
    margin-bottom: 10px;
  }

  .song-main {
    max-width: 100%;
  }

  .track-item {
    grid-template-columns: 48px 1fr auto;
    padding: 8px;
  }

  .track-art {
    width: 48px;
    height: 48px;
  }

  .track-preview-btn {
    min-height: 34px;
    min-width: 46px;
  }

  .track-favorite-btn {
    min-height: 28px;
    min-width: 46px;
  }

  .board {
    width: min(100%, 560px);
  }
}

@media (max-width: 768px) {
  .song-main {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .song-left-stack {
    position: static;
  }

  .song-controls {
    gap: 8px;
    padding: 10px;
  }

  .track-list {
    max-height: 48vh;
  }

  .modal {
    width: min(94vw, 430px);
    padding: 16px;
  }

  .modal-actions button {
    min-width: 120px;
  }
}

@media (max-width: 520px) {
  .app {
    padding: 10px 10px calc(14px + env(safe-area-inset-bottom));
  }

  .topbar {
    padding: 8px 10px;
  }

  .brand {
    font-size: 18px;
  }

  .stats {
    font-size: 12px;
    gap: 8px;
  }

  .search-row {
    grid-template-columns: 1fr;
  }

  .search-row button {
    min-width: 100%;
  }

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

  .track-list {
    max-height: 44vh;
  }

  .track-item {
    grid-template-columns: 42px 1fr auto;
    gap: 6px;
    padding: 7px;
  }

  .track-art {
    width: 42px;
    height: 42px;
  }

  .track-title {
    font-size: 12px;
  }

  .track-artist {
    font-size: 10px;
  }

  .track-extra {
    font-size: 10px;
    gap: 6px;
  }

  .track-preview-btn {
    min-height: 32px;
    min-width: 40px;
    font-size: 13px;
  }

  .track-favorite-btn {
    min-height: 24px;
    min-width: 40px;
    font-size: 12px;
  }

  .game-controls {
    grid-template-columns: 1fr;
  }

  .board {
    width: 100%;
    aspect-ratio: 9 / 15.5;
  }

  .modal button {
    min-width: 100%;
  }
}

@media (orientation: landscape) and (max-height: 600px) {
  .song-main {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .track-list {
    max-height: 58vh;
  }

  .board {
    width: min(100%, 420px);
  }
}

.hidden { display: none; }