@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Nunito:wght@400;700;900&display=swap');

:root {
  --frog-green: #22c55e;
  --frog-dark: #15803d;
  --lily: #4ade80;
  --pond: #22d3ee;
  --grass: #16a34a;
  --road: #374151;
  --danger: #ef4444;
  --bg: #0f172a;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  user-drag: none;
}

body {
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: 'Nunito', sans-serif;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* ── Header ── */
#ui-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 420px;
  padding: 0 8px 8px;
}

h1 {
  font-family: 'Fredoka One', cursive;
  font-size: 2rem;
  color: #4ade80;
  text-shadow: 0 0 18px #16a34a, 3px 3px 0 #14532d;
  letter-spacing: 1px;
}

#score-panel {
  display: flex;
  gap: 10px;
}

.score-box {
  background: rgba(74,222,128,0.12);
  border: 2px solid #4ade80;
  border-radius: 12px;
  padding: 3px 12px;
  text-align: center;
  min-width: 68px;
}

.score-label {
  font-size: 0.6rem;
  color: #86efac;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}

.score-value {
  font-family: 'Fredoka One', cursive;
  font-size: 1.3rem;
  color: #fff;
}

/* ── Canvas ── */
#canvas-wrap {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(74,222,128,0.25), 0 0 100px rgba(0,0,0,0.7);
  border: 3px solid #4ade80;
}

canvas { display: block; }

/* ── Overlay ── */
#overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.8);
  z-index: 10;
  gap: 12px;
  padding: 24px;
}

#overlay h2 {
  font-family: 'Fredoka One', cursive;
  font-size: 2.4rem;
  color: #4ade80;
  text-shadow: 0 0 24px #16a34a;
  text-align: center;
}

#overlay .subtitle {
  color: #d1fae5;
  font-size: 1rem;
  text-align: center;
  font-weight: 700;
  line-height: 1.5;
}

#overlay .final-score {
  font-family: 'Fredoka One', cursive;
  font-size: 1.6rem;
  color: #fbbf24;
}

#start-btn {
  background: #4ade80;
  color: #14532d;
  border: none;
  border-radius: 50px;
  padding: 13px 38px;
  font-family: 'Fredoka One', cursive;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 6px 0 #16a34a, 0 8px 20px rgba(0,0,0,0.4);
  transition: transform 0.1s, box-shadow 0.1s;
  margin-top: 6px;
}

#start-btn:active { transform: translateY(3px);  box-shadow: 0 3px 0 #16a34a; }

/* ── Mobile D-pad ── */
#dpad {
  display: grid;
  grid-template-areas:
    ". up ."
    "left . right"
    ". down .";
  grid-template-columns: 60px 60px 60px;
  grid-template-rows:    60px 60px 60px;
  gap: 4px;
  margin-top: 14px;
}

.dpad-btn {
  background: rgba(74,222,128,0.18);
  border: 2px solid #4ade80;
  border-radius: 12px;
  color: #4ade80;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.1s, transform 0.08s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.dpad-btn:active {
  background: rgba(74,222,128,0.45);
  transform: scale(0.92);
}

#btn-up    { grid-area: up;    }
#btn-left  { grid-area: left;  }
#btn-right { grid-area: right; }
#btn-down  { grid-area: down;  }

/* ── Responsive ── */
@media (max-width: 500px) {
  h1 { font-size: 1.5rem; }
  .score-value { font-size: 1.1rem; }
}
/* ── HOME BUTTON (overlay / start screen) ── */
.btn-home {
  background: transparent;
  color: rgba(255,255,255,0.55);
  border: 2px solid rgba(74,222,128,0.3);
  border-radius: 50px;
  padding: 8px 26px;
  font-family: 'Fredoka One', cursive;
  font-size: 1rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  margin-top: 2px;
}

.btn-home:active { transform: scale(0.95); }

/* ── HOME BUTTON (HUD / game screen) ── */
.btn-home-hud {
  background: rgba(74,222,128,0.12);
  border: 2px solid #4ade80;
  border-radius: 10px;
  color: #4ade80;
  font-size: 1.2rem;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.1s, transform 0.08s;
  flex-shrink: 0;
}
.btn-home-hud:active {
  background: rgba(74,222,128,0.35);
  transform: scale(0.92);
}