* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #050810;
  --panel: #0c1220;
  --text: #e8eefc;
  --muted: #8b9bb8;
  --accent: #5eb3ff;
  --food: #ffb347;
  --border: rgba(120, 160, 255, 0.22);
}

html,
body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(94, 179, 255, 0.12), transparent),
    var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  justify-content: center;
}

#app {
  width: 100%;
  max-width: 440px;
  padding: 20px 16px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.top {
  text-align: center;
}

.top h1 {
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}

.top .sub {
  font-size: 0.82rem;
  color: var(--muted);
}

.top .sub strong {
  color: var(--accent);
}

.scoreboard {
  display: flex;
  gap: 12px;
  width: 100%;
}

.score-box {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.score-box .label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.score-box .value {
  font-size: 1.6rem;
  font-weight: 700;
}

.board-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
}

#board {
  width: 100%;
  height: 100%;
  display: block;
  background: #0c1424;
  border: 1px solid var(--border);
  border-radius: 12px;
  image-rendering: pixelated;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(5, 8, 16, 0.78);
  border-radius: 12px;
  cursor: pointer;
  text-align: center;
  padding: 16px;
}

.overlay.hidden {
  display: none;
}

#overlay-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}

#overlay-sub {
  font-size: 0.82rem;
  color: var(--muted);
}

.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
}

#btn-restart {
  background: rgba(30, 45, 80, 0.6);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 20px;
  font-size: 0.9rem;
  cursor: pointer;
}

#btn-restart:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hint {
  font-size: 0.7rem;
  color: var(--muted);
}

.dpad {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.dpad-mid {
  display: flex;
  gap: 6px;
}

.dir {
  width: 56px;
  height: 48px;
  font-size: 1.1rem;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}

.dir:active {
  background: rgba(94, 179, 255, 0.25);
  border-color: var(--accent);
}

.bottom {
  display: flex;
  justify-content: space-between;
  width: 100%;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 4px;
}

.bottom a {
  color: var(--accent);
  text-decoration: none;
}

/* D-pad utamanya untuk mobile; di desktop keyboard cukup. */
@media (min-width: 760px) and (pointer: fine) {
  .dpad {
    opacity: 0.55;
  }
}