:root {
  --bg-top: #09131c;
  --bg-bottom: #050910;
  --panel: rgba(8, 16, 24, 0.82);
  --panel-strong: rgba(7, 13, 20, 0.95);
  --panel-edge: rgba(119, 211, 255, 0.28);
  --chip-bg: rgba(76, 201, 255, 0.12);
  --text-main: #eef8ff;
  --text-soft: rgba(191, 225, 247, 0.86);
  --accent: #4cc9ff;
  --accent-warm: #ffd16f;
  --accent-mint: #86ffcb;
  --danger: #ff8f84;
  --shadow: 0 22px 56px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 12% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 34%),
    radial-gradient(circle at 86% 6%, color-mix(in srgb, var(--accent-warm) 16%, transparent), transparent 26%),
    linear-gradient(180deg, var(--bg-top) 0%, color-mix(in srgb, var(--bg-top) 56%, #091d29) 48%, var(--bg-bottom) 100%);
  color: var(--text-main);
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  overflow-x: hidden;
}

body {
  padding: 0;
}

.prism-shell {
  width: 100%;
  margin: 0;
}

.btn,
.icon-btn,
.control-btn {
  border: 1px solid var(--panel-edge);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.stage-shell {
  position: relative;
  overflow: hidden;
  min-height: clamp(680px, 88svh, 1120px);
  border-radius: 28px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  background:
    radial-gradient(circle at 74% 18%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 16%),
    linear-gradient(180deg, rgba(8, 14, 22, 0.82), rgba(4, 8, 14, 0.98));
  box-shadow: var(--shadow);
  touch-action: pan-y;
}

.stage-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(3, 7, 14, 0.1) 30%, rgba(3, 7, 14, 0.45) 100%);
  pointer-events: none;
}

.stage-shell.is-modal-open::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(2, 5, 10, 0.34);
  z-index: 3;
}

#gameStage {
  width: 100%;
  height: clamp(680px, 88svh, 1120px);
  touch-action: pan-y;
}

#gameStage canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  touch-action: pan-y;
}

.prism-shell.is-playing #gameStage,
.prism-shell.is-playing #gameStage canvas {
  touch-action: none;
}

.engine-fallback {
  display: grid;
  place-items: center;
  min-height: inherit;
  padding: 2rem;
  color: var(--text-soft);
  text-align: center;
}

.stage-preview-card {
  position: absolute;
  right: 40px;
  bottom: 32px;
  top: auto;
  transform: none;
  z-index: 4;
  width: min(244px, calc(100% - 56px));
  min-height: 676px;
  height: auto;
  display: grid;
  align-content: start;
  justify-items: stretch;
  text-align: center;
  gap: 0.68rem;
  padding: 0.88rem 0.86rem 0.92rem;
  background: linear-gradient(180deg, rgba(11, 18, 28, 0.72), rgba(7, 13, 20, 0.5));
  border-color: color-mix(in srgb, var(--accent) 18%, transparent);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.22);
}

.side-card.stage-preview-card {
  min-height: unset;
}

.side-card,
.overlay-card,
.info-card,
.mobile-controls,
.saved-run {
  background: linear-gradient(180deg, rgba(11, 18, 28, 0.94), rgba(7, 13, 20, 0.9));
  backdrop-filter: blur(10px);
}

.side-card {
  border: 1px solid color-mix(in srgb, var(--accent) 24%, transparent);
  border-radius: 22px;
  padding: 14px;
  min-height: 100%;
}

.side-label {
  margin: 0 0 0.32rem;
  font: 700 0.69rem/1 "Orbitron", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--accent) 70%, white);
}

.preview-piece-group {
  width: 100%;
  display: grid;
  justify-items: center;
  gap: 0.5rem;
  align-content: start;
}

.preview-piece-group:first-child {
  width: min(168px, 100%);
  margin-inline: auto;
  min-height: 220px;
  padding: 0.1rem 0 0.3rem;
}

.queue-preview-list {
  width: 100%;
  display: grid;
  gap: 0.56rem;
  margin-top: 0.22rem;
}

.queue-preview-item {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.66rem;
  padding: 0.54rem 0.6rem;
  min-height: 84px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(13, 23, 35, 0.7), rgba(7, 13, 20, 0.42));
  border: 1px solid color-mix(in srgb, var(--accent) 12%, transparent);
}

.queue-preview-item .next-piece-preview {
  width: 58px;
  height: 48px;
  margin: 0;
}

.queue-preview-item .preview-cell {
  width: 10px;
  height: 10px;
  border-radius: 4px;
}

.queue-preview-copy {
  display: grid;
  gap: 0.14rem;
  text-align: left;
  align-content: center;
  min-width: 0;
}

.queue-preview-copy strong {
  font-size: 0.74rem;
  color: #fff7de;
  line-height: 1.15;
}

.queue-preview-copy span {
  font-size: 0.61rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent) 55%, white);
}

.side-copy {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.76rem;
  line-height: 1.35;
}

.preview-progress {
  margin-top: 0.14rem;
  font-size: 0.76rem;
  color: color-mix(in srgb, var(--accent) 52%, white);
}

.preview-progress strong {
  display: inline-flex;
  align-items: center;
  padding: 0.14rem 0.44rem;
  margin-left: 0.18rem;
  border-radius: 999px;
  color: #fff7df;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-warm) 62%, #fff1c6), color-mix(in srgb, var(--accent) 34%, #0e2232));
  box-shadow: 0 0 0 1px rgba(255, 235, 188, 0.16), 0 6px 16px rgba(255, 188, 116, 0.18);
}

.preview-stats {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.44rem;
  margin-top: 0.04rem;
  align-content: start;
}

.preview-stat {
  display: grid;
  gap: 0.14rem;
  align-content: start;
  justify-items: start;
  text-align: left;
  min-height: 68px;
  padding: 0.5rem 0.54rem 0.46rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  background:
    linear-gradient(180deg, rgba(12, 21, 32, 0.7), rgba(8, 14, 23, 0.5)),
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%);
  text-align: left;
}

.preview-stat-wide {
  grid-column: 1 / -1;
}

.preview-stat-label {
  font: 700 0.54rem/1 "Orbitron", sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--accent) 60%, white);
}

.preview-stat strong {
  display: inline-block;
  font-size: 0.76rem;
  color: #fff7de;
  line-height: 1.2;
  word-break: break-word;
}

.score-tick {
  animation: scoreTickPop 260ms ease;
}

.score-card-hit {
  animation: scoreCardHit 360ms ease;
}

.combo-pulse {
  animation: comboPulse 460ms ease;
}

.next-piece-preview {
  position: relative;
  width: 104px;
  height: 36px;
  margin: 0 auto;
}

.preview-cell {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 8px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--piece-color) 92%, white), var(--piece-color));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.34),
    0 0 18px color-mix(in srgb, var(--piece-glow) 32%, transparent),
    0 8px 18px rgba(0, 0, 0, 0.25);
  border: 1px solid color-mix(in srgb, var(--piece-glow) 72%, white);
}

.preview-cell::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 4px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.26);
}

.overlay-card {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  width: min(420px, calc(100% - 44px));
  padding: 22px;
  border-radius: 28px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.42);
}

.overlay-card.hidden,
.hidden {
  display: none !important;
}

.overlay-tag {
  margin: 0 0 10px;
  font: 700 0.76rem/1 "Orbitron", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: color-mix(in srgb, var(--accent) 70%, white);
}

.overlay-title,
.overlay-card h2,
.info-card h2 {
  margin: 0;
  font-family: "Orbitron", sans-serif;
}

.overlay-title {
  font-size: clamp(2rem, 4vw, 2.7rem);
}

.overlay-card h2 {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
}

.overlay-copy,
.saved-run,
.overlay-note {
  margin: 12px 0 0;
  color: var(--text-soft);
  line-height: 1.58;
}

.overlay-note {
  font-size: 0.88rem;
}

.overlay-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.overlay-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.overlay-kpis span {
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  padding: 12px 14px;
  color: var(--text-soft);
}

.saved-run {
  padding: 0;
  background: transparent;
}

.btn,
.icon-btn,
.control-btn {
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--text-main);
  font: 700 0.95rem/1 "Space Grotesk", sans-serif;
  cursor: pointer;
  text-decoration: none;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.btn {
  padding: 12px 18px;
}

.btn:hover,
.btn:focus-visible,
.icon-btn:hover,
.icon-btn:focus-visible,
.control-btn:hover,
.control-btn:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 46%, white);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  outline: none;
}

.btn:active,
.icon-btn:active,
.control-btn:active {
  transform: translateY(0) scale(0.98);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 70%, white));
  color: #04111c;
}

.btn.donate {
  background: linear-gradient(135deg, var(--accent-warm), #ffa067);
  color: #331504;
  border-color: color-mix(in srgb, var(--accent-warm) 60%, white);
}

.game-control-strip {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.icon-btn {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.fx-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 6;
}

.combo-callout,
.score-burst,
.level-burst {
  position: absolute;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  border-radius: 999px;
  padding: 12px 18px;
  border: 1px solid color-mix(in srgb, var(--accent) 36%, transparent);
  background: rgba(7, 13, 20, 0.8);
  font-family: "Orbitron", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0;
}

.combo-callout {
  top: 88px;
  color: color-mix(in srgb, var(--accent-warm) 70%, white);
}

.score-burst {
  top: 140px;
  color: color-mix(in srgb, var(--accent) 70%, white);
  transform-origin: center;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 22%, transparent),
    0 10px 24px rgba(0, 0, 0, 0.28),
    0 0 26px color-mix(in srgb, var(--accent-warm) 18%, transparent);
}

.level-burst {
  top: 194px;
  color: color-mix(in srgb, var(--accent-mint) 70%, white);
}

.combo-callout.visible,
.score-burst.visible,
.level-burst.visible {
  animation: calloutIn 860ms ease forwards;
}

.score-burst.score-burst-travel.visible {
  animation: scoreBurstTravel 760ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes calloutIn {
  0% {
    opacity: 0;
    transform: translateX(-50%) translateY(18px) scale(0.92);
  }
  12% {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
  }
  88% {
    opacity: 1;
    transform: translateX(-50%) translateY(-6px) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(-18px) scale(0.98);
  }
}

@keyframes scoreBurstTravel {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.66);
  }
  14% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.06);
  }
  72% {
    opacity: 1;
    transform: translate(calc(-50% + var(--score-burst-to-x) * 0.82), calc(-50% + var(--score-burst-to-y) * 0.82)) scale(0.96);
  }
  100% {
    opacity: 0;
    transform: translate(calc(-50% + var(--score-burst-to-x)), calc(-50% + var(--score-burst-to-y))) scale(0.58);
  }
}

@keyframes scoreTickPop {
  0% {
    transform: scale(1);
    color: #fff7de;
  }
  35% {
    transform: scale(1.12);
    color: color-mix(in srgb, var(--accent-warm) 74%, white);
    text-shadow: 0 0 18px color-mix(in srgb, var(--accent-warm) 28%, transparent);
  }
  100% {
    transform: scale(1);
    color: #fff7de;
  }
}

@keyframes comboPulse {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.14);
    color: color-mix(in srgb, var(--accent-mint) 70%, white);
    text-shadow: 0 0 20px color-mix(in srgb, var(--accent-mint) 28%, transparent);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes scoreCardHit {
  0% {
    transform: translateY(0) scale(1);
    box-shadow: 0 0 0 rgba(76, 201, 255, 0);
  }
  35% {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 0 0 1px rgba(76, 201, 255, 0.26), 0 14px 28px rgba(76, 201, 255, 0.16);
  }
  100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 0 0 rgba(76, 201, 255, 0);
  }
}

.mobile-controls {
  position: absolute;
  right: 20px;
  top: 20px;
  z-index: 4;
  width: min(240px, calc(100% - 40px));
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 22px;
  display: none;
  gap: 10px;
}

.mobile-row {
  display: grid;
  gap: 8px;
}

.mobile-row:first-child {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mobile-row:last-child {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.control-btn {
  min-height: 48px;
  padding: 10px 12px;
  font-size: 0.84rem;
}

.control-btn.drop {
  background: linear-gradient(135deg, var(--accent-warm), #ffa067);
  color: #331504;
}

.info-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-card {
  border: 1px solid color-mix(in srgb, var(--accent) 16%, transparent);
  border-radius: 24px;
  padding: 18px;
}

.info-card p,
.info-card li {
  color: var(--text-soft);
  line-height: 1.6;
}

.info-card ul {
  margin: 0;
  padding-left: 18px;
}

.inline-controls {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
}

.inline-controls-label {
  margin: 0 0 8px;
  font: 700 0.76rem/1 "Orbitron", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: color-mix(in srgb, var(--accent) 70%, white);
}

.footer {
  margin-top: 18px;
}

@media (max-width: 1080px) {
  .stage-shell {
    min-height: clamp(620px, 74svh, 900px);
  }

  #gameStage {
    height: clamp(620px, 74svh, 900px);
  }

  .stage-preview-card {
    width: 208px;
  }

  .overlay-card {
    width: min(380px, calc(100% - 36px));
  }

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

@media (max-width: 860px) {
  body {
    padding: 14px 10px 28px;
  }

  .stage-shell {
    min-height: auto;
    display: grid;
    gap: 12px;
    padding-bottom: 12px;
  }

  #gameStage {
    height: clamp(440px, 58svh, 680px);
  }

  .stage-preview-card {
    position: static;
    width: calc(100% - 24px);
    margin: 0 12px;
    padding: 0.8rem 0.85rem 0.9rem;
    min-height: auto;
  }

  .next-piece-preview {
    width: 104px;
    height: 38px;
  }

  .mobile-controls {
    position: static;
    display: grid;
    width: calc(100% - 24px);
    margin: 0 12px;
    padding: 12px;
  }

  .overlay-card {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(360px, calc(100% - 28px));
  }
}

@media (max-width: 640px) {
  .stage-shell {
    min-height: auto;
    border-radius: 22px;
  }

  #gameStage {
    height: clamp(400px, 52svh, 560px);
  }

  .side-card {
    padding: 12px;
  }

  .stage-preview-card {
    position: static;
    width: min(100%, 22rem);
    margin: 12px 12px 0;
    transform: none;
  }

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

  .overlay-card {
    left: 12px;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
    padding: 18px;
  }

  .overlay-actions {
    flex-direction: column;
  }

  .overlay-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .mobile-controls {
    left: 12px;
    right: 12px;
    width: auto;
    bottom: auto;
  }

  .mobile-row:first-child {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mobile-row:last-child {
    grid-template-columns: 1fr 1fr;
  }

  .game-control-strip {
    justify-content: center;
  }
}