:root {
  color-scheme: dark;
  --bg: #080812;
  --panel: rgba(10, 12, 22, 0.76);
  --panel-strong: rgba(15, 18, 30, 0.93);
  --line: rgba(147, 226, 198, 0.32);
  --text: #f4fff8;
  --muted: #aec3bd;
  --mint: #75f7c8;
  --gold: #ffd166;
  --rose: #f46f9c;
  --violet: #9a7cff;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  display: grid;
  min-height: 100vh;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 20%, rgba(117, 247, 200, 0.14), transparent 24rem),
    radial-gradient(circle at 82% 88%, rgba(244, 111, 156, 0.12), transparent 24rem),
    linear-gradient(135deg, #05050b, #111018 46%, #09090f);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button {
  min-height: 2.7rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 0.72rem 1rem;
  background: linear-gradient(180deg, rgba(117, 247, 200, 0.96), rgba(255, 209, 102, 0.9));
  color: #121206;
  font: inherit;
  font-weight: 850;
  cursor: pointer;
  box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.32);
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
  outline: 2px solid rgba(244, 111, 156, 0.88);
  outline-offset: 2px;
}

.game-shell {
  width: min(97vw, 1220px);
  display: grid;
  gap: 0.72rem;
}

.hud,
.controls,
.multiplayer {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.28);
}

.hud {
  display: grid;
  grid-template-columns: repeat(13, minmax(0, 1fr));
  gap: 0.42rem;
  padding: 0.66rem;
}

.hud div {
  min-width: 0;
  display: grid;
  gap: 0.12rem;
  text-align: center;
}

.label {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hud strong {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: clamp(0.95rem, 1.8vw, 1.38rem);
  line-height: 1.05;
}

.stage-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 280px;
  overflow: hidden;
  border: 1px solid rgba(147, 226, 198, 0.34);
  border-radius: 8px;
  background: #05050b;
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.42);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.88rem;
  padding: clamp(1rem, 4vw, 2rem);
  text-align: center;
  background: linear-gradient(180deg, rgba(5, 5, 11, 0.42), rgba(5, 5, 11, 0.84));
}

.overlay.hidden {
  display: none;
}

.sigil {
  width: clamp(3.4rem, 10vw, 6.2rem);
  height: auto;
  filter: drop-shadow(0 0 1.2rem rgba(117, 247, 200, 0.45));
}

.overlay h1 {
  margin: 0;
  color: #ffffff;
  font-size: clamp(2.4rem, 8vw, 6.6rem);
  line-height: 0.9;
  text-shadow:
    0 0 1.8rem rgba(117, 247, 200, 0.5),
    0 0 3rem rgba(244, 111, 156, 0.28);
}

.overlay p {
  max-width: 39rem;
  margin: 0;
  color: #e7f7ee;
  font-size: clamp(0.98rem, 1.8vw, 1.22rem);
}

.upgrade-grid {
  width: min(42rem, 92vw);
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.upgrade-grid.visible {
  display: grid;
}

.upgrade-card {
  min-height: 7.2rem;
  display: grid;
  align-content: start;
  gap: 0.35rem;
  padding: 0.85rem;
  background: rgba(16, 19, 31, 0.94);
  color: var(--text);
  text-align: left;
}

.upgrade-card b {
  color: var(--gold);
  font-size: 1rem;
}

.upgrade-card span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.28;
}

.loot-card {
  border-color: rgba(255, 209, 102, 0.34);
  background:
    linear-gradient(180deg, rgba(255, 209, 102, 0.12), rgba(16, 19, 31, 0.95)),
    rgba(16, 19, 31, 0.94);
  cursor: default;
}

.loot-card:disabled {
  opacity: 1;
  color: var(--text);
}

.toast-stack {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  z-index: 3;
  width: min(22rem, calc(100% - 1.6rem));
  display: grid;
  gap: 0.45rem;
  pointer-events: none;
}

.toast {
  border: 1px solid rgba(255, 209, 102, 0.38);
  border-radius: 8px;
  padding: 0.65rem 0.76rem;
  background: rgba(9, 11, 20, 0.88);
  box-shadow: 0 0.9rem 2rem rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(12px);
  animation: toast-in 180ms ease-out;
}

.toast b,
.toast span {
  display: block;
}

.toast b {
  color: var(--gold);
  font-size: 0.9rem;
}

.toast span {
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.25;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-0.35rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.controls,
.multiplayer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem;
}

.button-row {
  display: flex;
  flex: 0 0 auto;
  gap: 0.55rem;
}

.controls button,
.multiplayer button {
  background: var(--panel-strong);
  color: var(--text);
}

.volume-control {
  min-width: 8.5rem;
  display: grid;
  grid-template-columns: auto minmax(5.2rem, 1fr);
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.volume-control input {
  width: 100%;
  accent-color: var(--mint);
}

.controls p,
.multiplayer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: right;
}

.room-fields {
  display: grid;
  grid-template-columns: minmax(6rem, 10rem) minmax(7rem, 10rem);
  gap: 0.55rem;
}

.room-fields input {
  width: 100%;
  min-height: 2.7rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 0.66rem 0.78rem;
  background: rgba(5, 6, 12, 0.82);
  color: var(--text);
  font: inherit;
  font-weight: 720;
}

.room-fields input::placeholder {
  color: rgba(174, 195, 189, 0.72);
}

@media (max-width: 820px) {
  body {
    min-height: 100dvh;
    overflow: hidden;
    align-items: stretch;
    padding: 0;
  }

  .game-shell {
    width: 100vw;
    height: 100dvh;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    gap: 0.36rem;
    padding: 0.36rem;
  }

  .hud {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.22rem;
    padding: 0.38rem;
  }

  .label {
    font-size: 0.55rem;
  }

  .hud strong {
    font-size: 0.78rem;
  }

  .controls,
  .multiplayer {
    display: grid;
    gap: 0.38rem;
    padding: 0.42rem;
  }

  .stage-wrap {
    min-height: 0;
    height: 100%;
  }

  .button-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.36rem;
  }

  button {
    min-height: 2.1rem;
    padding: 0.46rem 0.5rem;
    font-size: 0.82rem;
  }

  .multiplayer .button-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .volume-control {
    width: min(18rem, 100%);
    justify-self: center;
    min-width: 0;
    font-size: 0.68rem;
  }

  .controls p {
    display: none;
  }

  .multiplayer p {
    text-align: center;
    font-size: 0.72rem;
    line-height: 1.15;
  }

  .room-fields {
    grid-template-columns: 1fr 1fr;
    gap: 0.36rem;
  }

  .room-fields input {
    min-height: 2.1rem;
    padding: 0.42rem 0.52rem;
    font-size: 0.82rem;
  }

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

  .toast-stack {
    top: 0.45rem;
    right: 0.45rem;
    width: min(18rem, calc(100% - 0.9rem));
  }

  .toast {
    padding: 0.5rem 0.58rem;
  }

  .toast b {
    font-size: 0.78rem;
  }

  .toast span {
    font-size: 0.68rem;
  }
}

@media (max-width: 430px) {
  .hud {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.18rem;
    padding: 0.32rem;
  }

  .label {
    font-size: 0.48rem;
  }

  .hud strong {
    font-size: 0.7rem;
  }

  .room-fields {
    grid-template-columns: 1fr 1fr;
  }

  .multiplayer .button-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-height: 760px) and (max-width: 430px) {
  .game-shell {
    gap: 0.28rem;
    padding: 0.28rem;
  }

  .hud {
    grid-template-columns: repeat(13, minmax(0, 1fr));
  }

  .label {
    display: none;
  }

  .hud strong {
    font-size: 0.58rem;
    line-height: 1;
  }

  .controls,
  .multiplayer {
    gap: 0.26rem;
    padding: 0.32rem;
  }

  button,
  .room-fields input {
    min-height: 1.86rem;
    padding: 0.34rem 0.36rem;
    font-size: 0.72rem;
  }

  .volume-control {
    display: none;
  }

  .multiplayer p {
    display: none;
  }
}