:root {
  --bg: #f4f7ec;
  --panel: #ffffff;
  --ink: #20311e;
  --muted: #6c7968;
  --green: #4f8f45;
  --green-dark: #2f6c35;
  --green-soft: #d9ead4;
  --grid-a: #d9eac4;
  --grid-b: #cee3b8;
  --apple: #e94a3f;
  --theme-glow: #92be7a;
  --game-border: #2f6c35;
  --shadow: 0 20px 60px rgba(49, 78, 42, 0.14);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: ui-rounded, "Avenir Next", Avenir, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 10%, color-mix(in srgb, var(--theme-glow) 18%, transparent), transparent 28%),
    radial-gradient(circle at 80% 90%, color-mix(in srgb, var(--theme-glow) 14%, transparent), transparent 28%),
    var(--bg);
  transition: background-color 260ms ease, color 260ms ease;
  color: var(--ink);
}

button { font: inherit; }

.page-shell {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.game-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(74, 111, 63, 0.1);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 30px);
  backdrop-filter: blur(10px);
}

.topbar,
.controls-row,
.leaderboard-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar { margin-bottom: 18px; }

.eyebrow {
  margin: 0 0 4px;
  color: var(--green-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

h1, h2, p { margin-top: 0; }

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

h2 { margin-bottom: 8px; }


.score-panel {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.score-box {
  min-width: 116px;
  background: color-mix(in srgb, var(--green-soft) 58%, white);
  border: 1px solid color-mix(in srgb, var(--green-soft) 85%, white);
  border-radius: 18px;
  padding: 10px 16px;
  text-align: center;
}

.score-box span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.score-box strong {
  display: block;
  font-size: 1.8rem;
  line-height: 1.05;
}

.game-wrap {
  position: relative;
  width: min(100%, 650px);
  margin: 0 auto;
  border: 8px solid var(--game-border);
  transition: border-color 260ms ease, background-color 260ms ease;
  border-radius: 24px;
  overflow: hidden;
  background: var(--grid-a);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.2);
  touch-action: none;
}

#gameCanvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(31, 64, 35, 0.38);
  backdrop-filter: blur(4px);
}

.overlay.hidden { display: none; }

.overlay-card {
  width: min(380px, 92%);
  text-align: center;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 24px;
  padding: 26px;
  box-shadow: 0 18px 45px rgba(24, 50, 25, 0.2);
}

.overlay-card p {
  color: var(--muted);
  line-height: 1.5;
}

.apple-mark {
  width: 42px;
  height: 42px;
  margin: 0 auto 12px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: transparent;
  background: var(--apple);
  box-shadow: inset -8px -8px 0 rgba(160, 40, 35, 0.12);
}

.primary-button,
.dpad-button {
  border: 0;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

.primary-button {
  min-width: 150px;
  padding: 13px 22px;
  border-radius: 999px;
  background: var(--green-dark);
  color: white;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(47, 108, 53, 0.25);
}

.primary-button:hover { transform: translateY(-1px); }
.primary-button:active { transform: translateY(1px); }
.primary-button:focus-visible,
.dpad-button:focus-visible { outline: 3px solid #e5b83e; outline-offset: 3px; }

.controls-row {
  margin-top: 20px;
  padding: 18px;
  background: #f8fbf5;
  border: 1px solid #e4eddf;
  border-radius: 20px;
}

.how-to { max-width: 620px; }
.how-to h2 { font-size: 1rem; }
.how-to p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.dpad {
  display: grid;
  grid-template-columns: repeat(3, 44px);
  grid-template-rows: repeat(2, 44px);
  gap: 6px;
  flex: 0 0 auto;
}

.dpad-button {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-weight: 900;
}

.dpad-button:hover { background: color-mix(in srgb, var(--green-soft) 78%, var(--green)); }
.dpad-button:active { transform: scale(0.95); }
.dpad .up { grid-column: 2; grid-row: 1; }
.dpad .left { grid-column: 1; grid-row: 2; }
.dpad .down { grid-column: 2; grid-row: 2; }
.dpad .right { grid-column: 3; grid-row: 2; }

.leaderboard-card {
  margin-top: 20px;
  padding: 18px;
  border: 1px solid #e4eddf;
  border-radius: 20px;
  background: white;
  align-items: flex-start;
}

.leaderboard-card h2 {
  margin: 0;
  font-size: 1.1rem;
}

#mis-leaderboard {
  flex: 1;
  min-width: 0;
}

@media (max-width: 720px) {
  .page-shell { padding: 12px; }
  .game-card { border-radius: 22px; padding: 14px; }
  .game-wrap { border-width: 6px; border-radius: 18px; }
  .controls-row,
  .leaderboard-card { align-items: stretch; flex-direction: column; }
  .dpad { align-self: center; }
  .score-box { min-width: 94px; }
}

@media (max-width: 420px) {
  .topbar { align-items: flex-end; }
  h1 { font-size: 2rem; }
  .score-box { padding: 8px 12px; }
  .score-box strong { font-size: 1.5rem; }
  .overlay-card { padding: 22px 18px; }
}