body.beat-rush-open {
  overflow: hidden;
}

.beat-rush-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000000;
  display: grid;
  place-items: center;
  padding: 28px;
  color: #fff;
}

.beat-rush-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(216, 124, 190, 0.24), transparent 32%),
    radial-gradient(circle at 82% 24%, rgba(105, 121, 255, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(5, 5, 10, 0.88), rgba(17, 9, 19, 0.92));
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.beat-rush-modal {
  position: relative;
  width: min(1180px, 96vw);
  height: min(760px, 92vh);
  border: 1px solid rgba(255, 214, 235, 0.16);
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(22, 20, 28, 0.86), rgba(31, 14, 29, 0.84)),
    rgba(10, 10, 16, 0.78);
  box-shadow:
    0 28px 100px rgba(0, 0, 0, 0.66),
    0 0 48px rgba(208, 117, 184, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.beat-rush-modal::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 84%);
  pointer-events: none;
}

.beat-rush-close {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 5;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.beat-rush-close:hover {
  transform: translateY(-1px);
  background: rgba(255, 159, 211, 0.18);
  box-shadow: 0 0 22px rgba(220, 122, 190, 0.22);
}

.beat-rush-content {
  position: relative;
  z-index: 1;
  height: 100%;
  overflow: auto;
}

.beat-rush-empty,
.beat-rush-start,
.beat-rush-countdown,
.beat-rush-result {
  min-height: 100%;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 24px;
  padding: 56px;
  text-align: center;
}

.beat-rush-empty-icon {
  width: 76px;
  height: 76px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  font-size: 30px;
  background: linear-gradient(135deg, rgba(218, 128, 205, 0.34), rgba(91, 116, 255, 0.24));
  box-shadow: 0 0 38px rgba(218, 128, 205, 0.26);
}

.beat-rush-empty-icon.pulse {
  animation: beatRushPulse 1.1s ease-in-out infinite;
}

.beat-rush-empty h2,
.beat-rush-start h2,
.beat-rush-result h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 0.95;
  font-family: "Dela Gothic One", "IBM Plex Sans", sans-serif;
  letter-spacing: 0;
}

.beat-rush-countdown {
  gap: 22px;
}

.beat-rush-count-number {
  width: min(240px, 42vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 190, 231, 0.26);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(244, 139, 209, 0.24), rgba(127, 146, 255, 0.16)),
    rgba(255, 255, 255, 0.06);
  color: #fff;
  font-family: "Dela Gothic One", "IBM Plex Sans", sans-serif;
  font-size: clamp(58px, 10vw, 118px);
  line-height: 1;
  box-shadow:
    0 0 52px rgba(241, 144, 208, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.beat-rush-count-number.pop {
  animation: beatRushCountdownPop 0.42s ease;
}

.beat-rush-countdown p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-weight: 800;
}

.beat-rush-empty p,
.beat-rush-start p,
.beat-rush-note-text {
  max-width: 560px;
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 16px;
}

.beat-rush-kicker {
  color: #f3a8d1;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
}

.beat-rush-hero {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 14px;
}

.beat-rush-track-card {
  width: min(520px, 100%);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  text-align: left;
}

.beat-rush-track-card img,
.beat-rush-game-track img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.36);
}

.beat-rush-track-card span,
.beat-rush-game-track span,
.beat-rush-result-grid span,
.beat-rush-stats span {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.beat-rush-track-card strong,
.beat-rush-game-track strong {
  display: block;
  margin-top: 3px;
  font-size: 18px;
}

.beat-rush-track-card small,
.beat-rush-game-track small {
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.66);
}

.beat-rush-difficulty-grid {
  width: min(820px, 100%);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.beat-rush-difficulty {
  min-height: 154px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.035)),
    rgba(255, 255, 255, 0.04);
  color: #fff;
  cursor: pointer;
  text-align: left;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.beat-rush-difficulty:hover {
  transform: translateY(-4px);
  border-color: rgba(247, 153, 213, 0.44);
  background:
    linear-gradient(150deg, rgba(214, 122, 202, 0.22), rgba(88, 116, 255, 0.12)),
    rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 50px rgba(211, 112, 191, 0.18);
}

.beat-rush-difficulty span {
  font-size: 22px;
}

.beat-rush-difficulty strong {
  display: block;
  margin-top: 18px;
  font-size: 22px;
}

.beat-rush-difficulty small {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.35;
}

.beat-rush-primary,
.beat-rush-secondary {
  min-width: 150px;
  height: 46px;
  padding: 0 20px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
  color: #fff;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.beat-rush-primary {
  background: linear-gradient(135deg, #d777bd, #7d8cff);
  box-shadow: 0 14px 38px rgba(213, 113, 190, 0.28);
}

.beat-rush-secondary {
  background: rgba(255, 255, 255, 0.08);
}

.beat-rush-primary:hover,
.beat-rush-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(213, 113, 190, 0.2);
}

.beat-rush-game {
  height: 100%;
  display: grid;
  grid-template-rows: auto 5px 1fr;
  gap: 18px;
  padding: 26px;
}

.beat-rush-game-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-right: 56px;
}

.beat-rush-game-track {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 14px;
}

.beat-rush-stats,
.beat-rush-result-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(100px, 1fr));
  gap: 12px;
}

.beat-rush-stats > div,
.beat-rush-result-grid > div {
  min-width: 108px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
}

.beat-rush-stats strong,
.beat-rush-result-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 23px;
  color: #fff;
}

.beat-rush-progress {
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
}

.beat-rush-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #f08cc9, #8092ff);
  box-shadow: 0 0 18px rgba(235, 139, 205, 0.5);
}

.beat-rush-stage {
  position: relative;
  min-height: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 26px;
  background:
    radial-gradient(circle at 50% 100%, rgba(226, 122, 199, 0.17), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02));
}

.beat-rush-lanes {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.beat-rush-lane {
  position: relative;
  overflow: hidden;
  border-left: 1px solid rgba(255, 255, 255, 0.06);
}

.beat-rush-lane:first-child {
  border-left: 0;
}

.beat-rush-lane.pressed {
  background: linear-gradient(180deg, transparent, rgba(255, 160, 217, 0.11));
}

.beat-rush-lane-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, rgba(255, 164, 220, 0.32), transparent);
}

.beat-rush-key {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 22px;
  font-weight: 900;
  box-shadow:
    0 0 26px rgba(236, 135, 204, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition:
    transform 0.14s ease,
    background 0.14s ease,
    border-color 0.14s ease,
    box-shadow 0.14s ease,
    color 0.14s ease;
}

.beat-rush-key::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 22px;
  border: 1px solid rgba(255, 168, 221, 0);
  opacity: 0;
  pointer-events: none;
}

.beat-rush-key.pressed {
  color: #fff;
  transform: translateX(-50%) translateY(5px) scale(0.92);
  border-color: rgba(255, 190, 231, 0.64);
  background:
    linear-gradient(135deg, rgba(244, 139, 209, 0.34), rgba(127, 146, 255, 0.22)),
    rgba(255, 255, 255, 0.11);
  box-shadow:
    0 0 34px rgba(241, 144, 208, 0.42),
    0 10px 26px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.beat-rush-key.pressed.hit {
  border-color: rgba(111, 255, 185, 0.74);
  background:
    linear-gradient(135deg, rgba(91, 255, 172, 0.34), rgba(86, 212, 255, 0.18)),
    rgba(255, 255, 255, 0.1);
  box-shadow:
    0 0 38px rgba(91, 255, 172, 0.48),
    0 10px 26px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.beat-rush-key.pressed.miss {
  border-color: rgba(255, 91, 119, 0.78);
  background:
    linear-gradient(135deg, rgba(255, 75, 110, 0.34), rgba(255, 128, 128, 0.16)),
    rgba(255, 255, 255, 0.08);
  box-shadow:
    0 0 38px rgba(255, 75, 110, 0.44),
    0 10px 26px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.beat-rush-key.pressed::after {
  animation: beatRushKeyPulse 0.24s ease forwards;
}

.beat-rush-key.pressed.hit::after {
  animation-name: beatRushKeyPulseHit;
}

.beat-rush-key.pressed.miss::after {
  animation-name: beatRushKeyPulseMiss;
}

.beat-rush-hitline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 83px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #ef92cf, #8d9bff, transparent);
  box-shadow: 0 0 22px rgba(239, 146, 207, 0.55);
}

.beat-rush-note {
  position: absolute;
  top: 0;
  left: 50%;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 24%, #fff, transparent 24%),
    linear-gradient(135deg, #f190d0, #7e8fff);
  box-shadow:
    0 0 24px rgba(240, 144, 208, 0.62),
    0 12px 28px rgba(0, 0, 0, 0.32);
  will-change: transform, opacity;
}

.beat-rush-note.hit {
  opacity: 0;
  filter: brightness(1.35);
  transition: opacity 0.16s ease, filter 0.16s ease;
}

.beat-rush-note.missed {
  opacity: 0;
  filter: grayscale(0.8);
  transition: opacity 0.16s ease, filter 0.16s ease;
}

.beat-rush-feedback {
  position: absolute;
  left: 50%;
  top: 45%;
  transform: translate(-50%, -50%) scale(0.9);
  opacity: 0;
  font-family: "Dela Gothic One", "IBM Plex Sans", sans-serif;
  font-size: clamp(34px, 5vw, 64px);
  letter-spacing: 0;
  pointer-events: none;
  text-shadow: 0 0 28px rgba(255, 255, 255, 0.22);
}

.beat-rush-feedback.show {
  animation: beatRushFeedback 0.22s ease forwards;
}

.beat-rush-feedback.perfect {
  color: #ffb8df;
}

.beat-rush-feedback.good {
  color: #95a5ff;
}

.beat-rush-feedback.miss {
  color: rgba(255, 255, 255, 0.52);
}

.beat-rush-result-grid {
  width: min(760px, 100%);
  position: relative;
}

.beat-rush-result-subtitle {
  margin: -10px 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-weight: 700;
}

.beat-rush-boards {
  width: min(980px, 100%);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.beat-rush-board {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 22px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
    rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.beat-rush-board-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.beat-rush-board-head span {
  color: #f0a4d0;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.beat-rush-board-head strong {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.beat-rush-board-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.beat-rush-board-place {
  color: #ffd8eb;
  font-weight: 900;
}

.beat-rush-board-main {
  min-width: 0;
}

.beat-rush-board-main strong,
.beat-rush-board-main span {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.beat-rush-board-main strong {
  color: #fff;
}

.beat-rush-board-main span {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
}

.beat-rush-board-xp {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(111, 255, 185, 0.11);
  color: #9effcf;
  font-size: 12px;
  font-weight: 900;
}

.beat-rush-board-empty {
  padding: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.58);
  text-align: center;
}

.beat-rush-result-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

@keyframes beatRushPulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.72;
  }
  50% {
    transform: scale(1.07);
    opacity: 1;
  }
}

@keyframes beatRushCountdownPop {
  0% {
    transform: scale(0.78);
    opacity: 0;
  }
  45% {
    transform: scale(1.08);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes beatRushKeyPulse {
  0% {
    opacity: 0.95;
    transform: scale(0.85);
    border-color: rgba(255, 168, 221, 0.72);
  }
  100% {
    opacity: 0;
    transform: scale(1.28);
    border-color: rgba(255, 168, 221, 0);
  }
}

@keyframes beatRushKeyPulseHit {
  0% {
    opacity: 0.95;
    transform: scale(0.85);
    border-color: rgba(111, 255, 185, 0.76);
  }
  100% {
    opacity: 0;
    transform: scale(1.28);
    border-color: rgba(111, 255, 185, 0);
  }
}

@keyframes beatRushKeyPulseMiss {
  0% {
    opacity: 0.95;
    transform: scale(0.85);
    border-color: rgba(255, 91, 119, 0.78);
  }
  100% {
    opacity: 0;
    transform: scale(1.28);
    border-color: rgba(255, 91, 119, 0);
  }
}

@keyframes beatRushFeedback {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.85);
  }
  45% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.05);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -54%) scale(1);
  }
}

@media (max-width: 900px) {
  .beat-rush-overlay {
    padding: 14px;
  }

  .beat-rush-modal {
    height: 94vh;
  }

  .beat-rush-difficulty-grid,
  .beat-rush-stats,
  .beat-rush-result-grid,
  .beat-rush-boards {
    grid-template-columns: 1fr;
  }

  .beat-rush-game-head {
    align-items: stretch;
    flex-direction: column;
    padding-right: 48px;
  }

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

  .beat-rush-empty,
  .beat-rush-start,
  .beat-rush-result {
    padding: 38px 20px;
  }
}

@media (max-width: 620px) {
  .beat-rush-game {
    padding: 18px;
  }

  .beat-rush-key {
    width: 46px;
    height: 46px;
    bottom: 18px;
    border-radius: 14px;
    font-size: 18px;
  }

  .beat-rush-hitline {
    bottom: 64px;
  }

  .beat-rush-note {
    width: 34px;
    height: 34px;
  }
}