.chart-btn {
  flex: 0.78;
  min-width: 0;
  padding: 10px 9px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 9px;
  background: var(--bg4);
  color: var(--text);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
}
.chart-btn:hover {
  border-color: rgba(255,255,255,0.35);
  background: #303044;
  transform: translateY(-1px);
}
.card-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}
.card-actions .dl-btn {
  flex: 1.22;
  width: auto;
  margin-top: 0;
}

.chart-player-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  width: auto;
  max-width: 100%;
  max-height: 100%;
  overflow: hidden;
  background: rgba(4,4,8,0.82);
  backdrop-filter: blur(7px);
}
.chart-player-modal,
.chart-player-modal * { box-sizing: border-box; }
.chart-player-modal.is-open { display: flex; }
.chart-player-dialog {
  min-width: 0;
  max-width: min(980px, 100%);
  width: min(980px, 100%);
  max-height: calc(100vh - 36px);
  overflow: auto;
  border: 1px solid rgba(255,255,255,0.13);
  border-radius: 18px;
  background: #14141d;
  box-shadow: 0 24px 80px rgba(0,0,0,0.58);
}
.chart-player-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px 14px;
}
.chart-player-head > div { min-width: 0; }
.chart-player-kicker {
  color: #ff6479;
  font-family: 'Oswald', sans-serif;
  font-size: 0.72rem;
  letter-spacing: 1.5px;
}
.chart-player-title {
  margin-top: 3px;
  font-size: 1.03rem;
  font-weight: 800;
  line-height: 1.4;
}
.chart-player-close {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  background: var(--bg3);
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}
.chart-player-overview {
  display: none;
  gap: 6px;
  margin: 0 20px 12px;
}
.chart-player-overview.is-ready { display: grid; }
.chart-player-overview-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.68rem;
}
.chart-player-overview-head span:first-child {
  color: #f0eef6;
  font-weight: 800;
}
.chart-player-overview-viewport {
  position: relative;
  max-height: 176px;
  overflow-x: hidden;
  overflow-y: auto;
  border: 1px solid rgba(255,255,255,0.11);
  border-radius: 10px;
  background: #1b1d26;
  scrollbar-color: rgba(255,255,255,0.3) transparent;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  cursor: crosshair;
}
.chart-player-overview-viewport:focus-visible {
  outline: 2px solid #ff506b;
  outline-offset: 2px;
}
.chart-player-overview-content {
  position: relative;
  min-width: 100%;
}
#chartPlayerOverviewCanvas {
  display: block;
  width: 100%;
}
.chart-player-overview-cursor {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
  width: 4px;
  height: 38px;
  border-radius: 2px;
  background: #fff;
  box-shadow: 0 0 0 2px #ff2148, 0 0 10px 3px rgba(255,33,72,0.9);
  pointer-events: none;
  will-change: transform;
}
.chart-player-overview-cursor::before {
  content: '';
  position: absolute;
  top: -5px;
  left: -5px;
  border-right: 7px solid transparent;
  border-left: 7px solid transparent;
  border-top: 8px solid #ff2148;
}
.chart-player-stage {
  position: relative;
  width: calc(92.7% - 37px);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 13px;
  background: #090a10;
  aspect-ratio: 3 / 1;
  min-height: 210px;
}
#chartPlayerCanvas {
  display: block;
  width: 100%;
  height: 100%;
}
.chart-player-state {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(9,10,16,0.78);
  color: #d8d6e3;
  text-align: center;
  font-size: 0.9rem;
}
.chart-player-state.is-visible { display: grid; }
.chart-player-controls {
  display: grid;
  grid-template-columns: auto auto auto minmax(140px, 1fr) auto auto;
  align-items: end;
  gap: 10px;
  padding: 14px 20px 8px;
}
.chart-control-btn,
.chart-control-select {
  height: 38px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 8px;
  background: var(--bg3);
  color: var(--text);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
}
.chart-control-btn {
  padding: 0 14px;
  cursor: pointer;
}
.chart-control-btn.is-primary {
  min-width: 88px;
  border-color: transparent;
  background: var(--red);
}
.chart-control-field {
  display: grid;
  gap: 4px;
  min-width: 0;
}
.chart-control-field label {
  color: var(--muted);
  font-size: 0.66rem;
}
.chart-control-select { padding: 0 30px 0 10px; }
.chart-player-progress-row {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  align-items: center;
  gap: 9px;
  padding: 8px 20px 2px;
  color: var(--muted);
  font-family: 'Oswald', sans-serif;
  font-size: 0.72rem;
  text-align: center;
}
#chartPlayerProgress {
  width: 100%;
  accent-color: var(--red);
  cursor: pointer;
}
.chart-player-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 20px 17px;
  color: var(--muted);
  font-size: 0.68rem;
}

@media (max-width: 680px), (hover: none) and (pointer: coarse) {
  .chart-player-modal {
    align-items: stretch;
    width: auto;
    height: auto;
    max-width: none;
    max-height: none;
    overflow: hidden;
    padding: max(6px, env(safe-area-inset-top)) max(6px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
  }
  .chart-player-dialog {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    width: 100%;
    max-width: 100%;
    height: auto;
    min-height: 0;
    min-width: 0;
    max-height: none;
    overflow-x: hidden;
    overflow-y: auto;
    border-radius: 12px;
    overscroll-behavior: contain;
  }
  .chart-player-head { padding: 10px 12px 8px; }
  .chart-player-title { font-size: 0.92rem; }
  .chart-player-close { width: 32px; height: 32px; }
  .chart-player-overview { width: calc(100% - 16px); margin: 0 auto 8px; gap: 4px; }
  .chart-player-overview-head { font-size: 0.6rem; }
  .chart-player-overview-viewport { width: 100%; max-width: 100%; max-height: 118px; }
  .chart-player-stage {
    flex: 0 0 auto;
    width: calc(100% - 16px);
    max-width: calc(100% - 16px);
    height: auto;
    min-height: 0;
    max-height: none;
    margin: 0 auto;
    aspect-ratio: 3 / 1;
  }
  #chartPlayerCanvas { max-width: 100%; }
  .chart-player-controls {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 7px;
    padding: 9px 8px 5px;
  }
  .chart-control-btn { grid-column: span 2; padding-inline: 6px; }
  .chart-control-field.course { grid-column: 1 / -1; }
  .chart-control-field:not(.course) { grid-column: span 3; }
  .chart-control-select { width: 100%; padding-right: 22px; }
  .chart-player-progress-row { padding: 6px 8px 1px; }
  .chart-player-foot { padding: 7px 8px 10px; flex-direction: column; gap: 3px; }
}

@media (max-height: 600px) and (max-width: 900px), (max-height: 600px) and (hover: none) and (pointer: coarse) {
  .chart-player-head { padding-block: 7px 5px; }
  .chart-player-overview-viewport { max-height: 86px; }
  .chart-player-foot { display: none; }
}