:root {
  --bg: #05060f;
  --panel: rgba(12, 16, 38, 0.72);
  --gold: #ffe600;
  --blue: #4d7dff;
  --text: #e7eaff;
  --muted: #7d88b5;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  display: grid;
  place-items: center;
  overflow-x: hidden;
  background:
    radial-gradient(1200px 700px at 50% -10%, #16204d 0%, transparent 60%),
    radial-gradient(800px 500px at 50% 120%, #1b0f3d 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.game {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 14px;
}

/* ---------- HUD ---------- */

.hud {
  width: min(560px, 92vw);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 8px 14px;
  background: var(--panel);
  border: 1px solid rgba(90, 120, 255, 0.22);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(6px);
}

.hud-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.hud-item:nth-child(2),
.hud-item:nth-child(3) {
  text-align: center;
}

.hud-item:last-child {
  align-items: flex-end;
}

.label {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.value {
  font: 700 18px/1.15 "Courier New", ui-monospace, monospace;
  color: var(--gold);
  text-shadow: 0 0 12px rgba(255, 230, 0, 0.45);
}

.lives {
  display: flex;
  gap: 5px;
  height: 18px;
  align-items: center;
}

.life {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: conic-gradient(var(--gold) 0 68deg, transparent 68deg 112deg, var(--gold) 112deg 360deg);
  filter: drop-shadow(0 0 6px rgba(255, 230, 0, 0.5));
}

/* ---------- Board ---------- */

.board {
  width: min(92vw, 560px, calc((100vh - 210px) * 0.9032));
}

@supports (height: 100dvh) {
  .board {
    width: min(92vw, 560px, calc((100dvh - 210px) * 0.9032));
  }
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  background: #05060f;
  border: 1px solid rgba(80, 110, 255, 0.18);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.6),
    0 18px 50px rgba(0, 0, 0, 0.55),
    0 0 60px rgba(50, 80, 255, 0.16);
  touch-action: none;
}

/* ---------- Footer + touch pad ---------- */

.hint {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-align: center;
}

.dpad {
  display: none;
  grid-template-columns: repeat(3, 58px);
  grid-template-rows: repeat(2, 46px);
  gap: 8px;
  margin-top: 2px;
  user-select: none;
}

.dpad button {
  display: grid;
  place-items: center;
  font-size: 16px;
  color: #cfd8ff;
  background: linear-gradient(180deg, rgba(40, 55, 120, 0.9), rgba(18, 24, 60, 0.9));
  border: 1px solid rgba(90, 120, 255, 0.35);
  border-radius: 12px;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.45);
  touch-action: manipulation;
  cursor: pointer;
}

.dpad button:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.45);
  background: linear-gradient(180deg, rgba(70, 95, 190, 0.95), rgba(28, 38, 90, 0.95));
}

.dpad .up {
  grid-area: 1 / 2;
}

.dpad .left {
  grid-area: 2 / 1;
}

.dpad .down {
  grid-area: 2 / 2;
}

.dpad .right {
  grid-area: 2 / 3;
}

@media (hover: none), (max-width: 700px) {
  .dpad {
    display: grid;
  }
}