:root {
  color-scheme: dark;
  --bg: #151514;
  --panel: rgba(30, 31, 30, 0.78);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: #f4f1ea;
  --muted: #a7aaa2;
  --accent: #f0b84a;
}

* {
  box-sizing: border-box;
}

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

.game-shell {
  position: relative;
  width: 100vw;
  height: 100vh;
  min-width: 320px;
  min-height: 460px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0)),
    #151514;
}

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

.hud {
  position: absolute;
  top: max(18px, env(safe-area-inset-top));
  left: max(18px, env(safe-area-inset-left));
  display: grid;
  grid-template-columns: repeat(4, minmax(68px, 1fr));
  gap: 8px;
  width: min(430px, calc(100vw - 36px));
  pointer-events: none;
}

.hud[hidden] {
  display: none;
}

.split-hud {
  position: absolute;
  inset: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) auto max(18px, env(safe-area-inset-left));
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  pointer-events: none;
}

.split-hud[hidden] {
  display: none;
}

.split-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(52px, 74px));
  gap: 6px;
  align-items: start;
}

.brand {
  grid-column: 1 / -1;
  width: max-content;
  max-width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.stat {
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  background: var(--panel);
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
}

.stat strong {
  display: block;
  margin-top: 2px;
  font-size: clamp(18px, 4vw, 28px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.message {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  gap: 8px;
  min-width: min(280px, calc(100vw - 40px));
  transform: translate(-50%, -50%);
  padding: 20px 22px;
  border: 1px solid rgba(240, 184, 74, 0.48);
  border-radius: 8px;
  background: rgba(21, 21, 20, 0.9);
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  pointer-events: auto;
}

.message[hidden],
.menu-screen[hidden],
.pause-screen[hidden] {
  display: none;
}

.message strong {
  color: var(--accent);
  font-size: 26px;
  letter-spacing: 0;
}

.message span {
  color: var(--muted);
  font-size: 13px;
}

.game-over-result {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.game-over-result b {
  color: var(--text);
  font-size: 15px;
}

.menu-screen,
.pause-screen {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  gap: 12px;
  width: min(380px, calc(100vw - 40px));
  transform: translate(-50%, -50%);
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(21, 21, 20, 0.88);
  text-align: center;
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.42);
}

.menu-screen strong,
.pause-screen strong {
  color: var(--accent);
  font-size: clamp(28px, 8vw, 46px);
  line-height: 0.95;
  letter-spacing: 0;
}

.menu-screen span,
.pause-screen span {
  color: var(--text);
  font-size: 14px;
  line-height: 1.35;
}

.menu-screen em,
.pause-screen em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
}

.menu-screen p {
  margin: 2px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.menu-screen .split-controls[hidden] {
  display: none;
}

.mode-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: rgba(38, 39, 40, 0.58);
}

.toggle-button {
  min-height: 34px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: 800 12px/1 Inter, ui-sans-serif, system-ui, sans-serif;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, color 120ms ease;
}

.toggle-button:hover {
  transform: translateY(-2px);
  color: var(--text);
}

.toggle-button:active {
  transform: translateY(1px);
}

.toggle-button.is-active {
  background: rgba(240, 184, 74, 0.18);
  color: var(--accent);
}

.menu-button {
  display: block;
  width: 100%;
  min-height: 42px;
  border: 1px solid rgba(240, 184, 74, 0.42);
  border-radius: 6px;
  background: rgba(38, 39, 40, 0.92);
  color: var(--text);
  font: 800 14px/1 Inter, ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0;
  cursor: pointer;
  transform: translateY(0);
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

.menu-button:hover {
  border-color: rgba(240, 184, 74, 0.72);
  background: rgba(48, 49, 48, 0.96);
  transform: translateY(-2px);
}

.menu-button:active {
  transform: translateY(1px);
}

@media (max-width: 560px) {
  .hud {
    grid-template-columns: repeat(4, minmax(58px, 1fr));
    gap: 6px;
  }

  .split-panel {
    grid-template-columns: repeat(2, minmax(54px, 1fr));
  }

  .brand,
  .stat {
    padding: 7px 8px;
  }
}