:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #05070a;
  color: #f7fafc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow: hidden;
}

button {
  font: inherit;
}

#app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 24% 16%, rgba(74, 222, 128, 0.12), transparent 28%),
    linear-gradient(135deg, #080b10 0%, #111827 46%, #101419 100%);
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  outline: none;
}

.hud {
  position: fixed;
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(10, 14, 21, 0.68);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.hud-main {
  top: 18px;
  left: 18px;
  width: min(270px, calc(100vw - 36px));
  padding: 14px;
  border-radius: 8px;
}

.floor-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.floor-chip .label,
.stat-row span,
.roster-title,
.motion-readout span {
  color: rgba(247, 250, 252, 0.66);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

.floor-chip strong {
  color: #6ee7b7;
  font-size: 34px;
  line-height: 0.95;
  letter-spacing: 0;
}

.floor-chip strong.stage-name {
  max-width: 160px;
  font-size: 23px;
  line-height: 1.08;
  text-align: right;
  white-space: normal;
}

.stat-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.stat-row + .stat-row {
  margin-top: 8px;
}

.stat-row strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #f7fafc;
  font-size: 14px;
  letter-spacing: 0;
}

.roster {
  top: 18px;
  right: 18px;
  width: min(250px, calc(100vw - 36px));
  max-height: calc(100vh - 132px);
  padding: 12px;
  border-radius: 8px;
}

.roster-list {
  display: grid;
  gap: 6px;
  margin-top: 10px;
  overflow: auto;
  max-height: calc(100vh - 190px);
  padding-right: 2px;
}

.roster-item {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 6px;
  padding: 5px 8px;
  color: rgba(247, 250, 252, 0.72);
  background: rgba(255, 255, 255, 0.045);
}

.roster-item.active {
  color: #f7fafc;
  border-color: rgba(110, 231, 183, 0.38);
  background: rgba(16, 185, 129, 0.14);
}

.roster-swatch {
  width: 9px;
  height: 18px;
  border-radius: 3px;
  background: var(--swatch);
}

.roster-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.roster-floor {
  color: rgba(247, 250, 252, 0.5);
  font-size: 11px;
}

.motion-readout {
  left: 18px;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: min(360px, calc(100vw - 36px));
  min-height: 42px;
  padding: 9px 12px;
  border-radius: 8px;
}

.motion-readout strong {
  color: #facc15;
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.controls {
  right: 18px;
  bottom: 18px;
  display: flex;
  gap: 8px;
  padding: 8px;
  border-radius: 8px;
}

.controls button {
  width: 42px;
  min-width: 42px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  color: #f7fafc;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.controls button:hover {
  border-color: rgba(110, 231, 183, 0.6);
  background: rgba(110, 231, 183, 0.16);
}

.rhythm-hud {
  left: 50%;
  bottom: 18px;
  width: min(540px, calc(100vw - 420px));
  min-width: 360px;
  padding: 12px;
  border-radius: 8px;
  transform: translateX(-50%);
}

.rhythm-hud.hidden {
  display: none;
}

.rhythm-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.rhythm-heading span,
.rhythm-stats span {
  color: rgba(247, 250, 252, 0.62);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

.rhythm-heading strong {
  color: #facc15;
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
}

.life-meter {
  width: 100%;
  height: 12px;
  overflow: hidden;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
}

.life-meter span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #34d399, #facc15);
  transition:
    width 140ms ease,
    background 140ms ease;
}

.life-meter span.danger {
  background: linear-gradient(90deg, #fb7185, #facc15);
}

.survival-meter span {
  background: linear-gradient(90deg, #38bdf8, #34d399);
}

.gothic-meter span {
  background: linear-gradient(90deg, #38bdf8, #a78bfa, #f472b6);
}

.bullet-meter span {
  width: 0;
  background: linear-gradient(90deg, #22d3ee, #facc15, #fb7185);
}

.rhythm-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.rhythm-stats div {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 6px;
  padding: 7px 8px;
  background: rgba(255, 255, 255, 0.045);
}

.rhythm-stats strong {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #f7fafc;
  font-size: 13px;
  letter-spacing: 0;
}

.message {
  position: fixed;
  z-index: 6;
  left: 50%;
  top: 24px;
  width: min(520px, calc(100vw - 36px));
  transform: translateX(-50%);
  border: 1px solid rgba(110, 231, 183, 0.5);
  border-radius: 8px;
  padding: 12px 16px;
  text-align: center;
  color: #f7fafc;
  background: rgba(8, 13, 19, 0.82);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(18px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.message.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -8px);
}

.popup {
  position: fixed;
  z-index: 12;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(3, 7, 12, 0.58);
  backdrop-filter: blur(10px);
}

.popup.hidden {
  display: none;
}

.popup-panel {
  width: min(430px, 100%);
  max-height: calc(100vh - 44px);
  overflow: auto;
  border: 1px solid rgba(110, 231, 183, 0.36);
  border-radius: 8px;
  padding: 20px;
  background: rgba(8, 13, 19, 0.94);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.44);
}

.popup-panel strong {
  display: block;
  color: #6ee7b7;
  font-size: 24px;
  line-height: 1.18;
  letter-spacing: 0;
}

.popup-panel p {
  margin: 12px 0 0;
  color: rgba(247, 250, 252, 0.78);
  font-size: 15px;
  line-height: 1.6;
  white-space: pre-line;
  overflow-wrap: anywhere;
}

.popup-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.popup-actions button {
  min-width: 92px;
  min-height: 38px;
  border: 1px solid rgba(110, 231, 183, 0.44);
  border-radius: 6px;
  color: #07131a;
  background: #6ee7b7;
  cursor: pointer;
  font-weight: 800;
}

.popup-actions button:hover {
  background: #99f6e4;
}

.popup-actions button.hidden {
  display: none;
}

.loading {
  position: fixed;
  z-index: 10;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 12px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(45, 212, 191, 0.16), transparent 28%),
    #06080c;
}

.loading strong {
  font-size: clamp(22px, 4vw, 42px);
  line-height: 1;
  letter-spacing: 0;
}

.loading span {
  color: rgba(247, 250, 252, 0.64);
  font-size: 14px;
}

.loading.hidden {
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease;
}

@media (max-width: 760px) {
  .hud-main,
  .roster,
  .motion-readout,
  .controls {
    left: 12px;
    right: 12px;
    width: auto;
  }

  .hud-main {
    top: 12px;
  }

  .roster {
    top: auto;
    bottom: 76px;
    max-height: 160px;
  }

  .roster-list {
    max-height: 105px;
  }

  .motion-readout {
    bottom: 12px;
    right: auto;
    width: calc(100vw - 168px);
  }

  .rhythm-hud {
    left: 12px;
    right: 12px;
    top: 154px;
    bottom: auto;
    width: auto;
    min-width: 0;
    transform: none;
  }

  .rhythm-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .controls {
    left: auto;
    bottom: 12px;
    width: 136px;
  }

  .controls button {
    min-width: 42px;
    padding-inline: 6px;
  }
}