:root {
  color-scheme: dark;
  --ink: #101316;
  --panel: #161b20;
  --panel-strong: #202730;
  --paper: #f4f7f2;
  --muted: #9ba7a0;
  --line: rgba(244, 247, 242, 0.15);
  --aqua: #34d1bf;
  --mint: #8be36a;
  --coral: #ff7b5f;
  --sun: #f6c85f;
  --shadow: rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 320px;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

button {
  color: inherit;
  font: inherit;
}

.app {
  width: 100%;
  height: 100dvh;
  min-height: 520px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background:
    radial-gradient(circle at 18% 20%, rgba(52, 209, 191, 0.16), transparent 30%),
    radial-gradient(circle at 80% 30%, rgba(246, 200, 95, 0.12), transparent 26%),
    linear-gradient(135deg, #101316 0%, #171c1b 45%, #1b1715 100%);
}

.hud {
  min-height: 76px;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr);
  align-items: center;
  gap: 18px;
  padding: 14px clamp(14px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
  background: rgba(16, 19, 22, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  text-transform: uppercase;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid rgba(52, 209, 191, 0.45);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(52, 209, 191, 0.22), rgba(139, 227, 106, 0.12));
  color: var(--aqua);
  font-size: 13px;
  font-weight: 800;
}

.brand-text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 850;
  letter-spacing: 0;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(82px, 112px));
  gap: 8px;
}

.metric {
  height: 48px;
  display: grid;
  align-content: center;
  justify-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(32, 39, 48, 0.72);
  box-shadow: 0 14px 34px var(--shadow);
}

.metric span {
  line-height: 1;
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 850;
}

.metric small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}

.controls {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}

.control,
.launch {
  position: relative;
  height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(244, 247, 242, 0.18);
  border-radius: 8px;
  background: rgba(244, 247, 242, 0.08);
  cursor: pointer;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.control {
  padding: 0 14px;
}

.control.icon-only {
  width: 44px;
  padding: 0;
}

.control.primary,
.launch {
  border-color: rgba(52, 209, 191, 0.5);
  background: linear-gradient(135deg, rgba(52, 209, 191, 0.32), rgba(139, 227, 106, 0.22));
}

.control:hover,
.launch:hover {
  transform: translateY(-1px);
  border-color: rgba(244, 247, 242, 0.38);
  background: rgba(244, 247, 242, 0.13);
}

.control.primary:hover,
.launch:hover {
  border-color: rgba(139, 227, 106, 0.72);
  background: linear-gradient(135deg, rgba(52, 209, 191, 0.42), rgba(139, 227, 106, 0.28));
}

.control svg,
.launch svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.control svg path[fill="none"],
.launch svg path[fill="none"] {
  fill: none;
}

#resetBtn svg {
  fill: none;
}

.stage {
  position: relative;
  min-height: 0;
  overflow: hidden;
  border-block: 1px solid rgba(244, 247, 242, 0.06);
  background:
    linear-gradient(rgba(244, 247, 242, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 247, 242, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
}

#gameCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
  touch-action: none;
}

.start-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(16, 19, 22, 0.86), rgba(16, 19, 22, 0.18)),
    radial-gradient(circle at 70% 55%, rgba(52, 209, 191, 0.22), transparent 34%);
  opacity: 1;
  transition:
    opacity 0.24s ease,
    visibility 0.24s ease;
}

.start-overlay.hidden {
  visibility: hidden;
  opacity: 0;
}

.splash-lockup {
  width: min(560px, calc(100vw - 44px));
  display: grid;
  gap: 18px;
  justify-items: start;
}

.splash-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(246, 200, 95, 0.38);
  border-radius: 8px;
  color: var(--sun);
  font-size: 12px;
  font-weight: 800;
}

h1 {
  margin: 0;
  max-width: 8ch;
  font-size: clamp(58px, 12vw, 132px);
  line-height: 0.9;
  letter-spacing: 0;
  text-transform: uppercase;
}

.launch {
  pointer-events: auto;
  min-width: 146px;
  padding: 0 18px;
  font-weight: 800;
}

.statusbar {
  min-height: 56px;
  display: grid;
  grid-template-columns: auto auto minmax(72px, 1fr);
  align-items: center;
  gap: 18px;
  padding: 10px clamp(14px, 3vw, 34px);
  border-top: 1px solid var(--line);
  background: rgba(16, 19, 22, 0.88);
}

.mode-bar,
.weapon-bar {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px;
  border: 1px solid rgba(244, 247, 242, 0.13);
  border-radius: 8px;
  background: rgba(32, 39, 48, 0.62);
}

.mode {
  --mode: var(--sun);
  height: 38px;
  min-width: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(244, 247, 242, 0.12);
  border-radius: 8px;
  background: rgba(244, 247, 242, 0.06);
  color: var(--paper);
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
  transition:
    transform 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease,
    box-shadow 0.16s ease;
}

.mode:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--mode), transparent 28%);
  background: color-mix(in srgb, var(--mode), transparent 86%);
}

.mode.active {
  border-color: color-mix(in srgb, var(--mode), white 6%);
  background: color-mix(in srgb, var(--mode), transparent 74%);
  box-shadow: 0 0 22px color-mix(in srgb, var(--mode), transparent 74%);
}

.mode[data-mode="code"] {
  --mode: #34d1bf;
}

.mode[data-mode="brain"] {
  --mode: #ff7b5f;
}

.weapon {
  --weapon: var(--aqua);
  height: 38px;
  min-width: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid rgba(244, 247, 242, 0.12);
  border-radius: 8px;
  background: rgba(244, 247, 242, 0.06);
  color: var(--paper);
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
  transition:
    transform 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease,
    box-shadow 0.16s ease;
}

.weapon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.15;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.weapon:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--weapon), transparent 28%);
  background: color-mix(in srgb, var(--weapon), transparent 86%);
}

.weapon.active {
  border-color: color-mix(in srgb, var(--weapon), white 6%);
  background: color-mix(in srgb, var(--weapon), transparent 72%);
  box-shadow: 0 0 22px color-mix(in srgb, var(--weapon), transparent 72%);
}

.weapon[data-weapon="water"] {
  --weapon: #34d1bf;
}

.weapon[data-weapon="fire"] {
  --weapon: #ff7b5f;
}

.weapon[data-weapon="ice"] {
  --weapon: #9ae8ff;
}

.weapon[data-weapon="laser"] {
  --weapon: #d47cff;
}

.round-state {
  min-width: 72px;
  color: var(--paper);
  font-size: 13px;
  font-weight: 750;
  text-align: right;
}

@media (max-width: 780px) {
  .app {
    min-height: 500px;
  }

  .hud {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand controls"
      "metrics metrics";
    gap: 10px;
    padding-block: 10px;
  }

  .brand {
    grid-area: brand;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }

  .metrics {
    grid-area: metrics;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

  .metric {
    height: 42px;
  }

  .controls {
    grid-area: controls;
  }

  .control {
    width: 42px;
    height: 42px;
    padding: 0;
  }

  .control span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .statusbar {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "mode state"
      "weapon weapon";
    gap: 8px;
    min-height: 106px;
  }

  .mode-bar {
    grid-area: mode;
    justify-self: start;
  }

  .weapon-bar {
    grid-area: weapon;
    justify-self: start;
    max-width: 100%;
    overflow-x: auto;
  }

  .weapon {
    width: 42px;
    min-width: 42px;
    padding: 0;
  }

  .weapon span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .round-state {
    grid-area: state;
    min-width: 0;
    text-align: left;
  }

  .splash-lockup {
    align-self: center;
  }
}

@media (max-width: 460px) {
  .brand-text {
    max-width: 122px;
  }

  .metric span {
    font-size: 16px;
  }

  .metric small {
    font-size: 10px;
  }

  .mode {
    min-width: 48px;
    padding-inline: 9px;
    font-size: 12px;
  }

  .splash-lockup {
    width: min(360px, calc(100vw - 30px));
  }

  h1 {
    font-size: clamp(48px, 18vw, 82px);
  }
}