:root {
  --bg: #14241c;
  --panel: rgba(12, 26, 18, 0.88);
  --panel-border: rgba(255, 210, 63, 0.45);
  --gold: #ffd23f;
  --gold-dark: #c78a1e;
  --banana: #ffd23f;
  --leaf: #58c432;
  --leaf-dark: #2e7d1e;
  --text: #f6f1e6;
  --muted: #b9c7b4;
  --danger: #ff6b5c;
  --shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
  --radius: 14px;
}

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

html, body { height: 100%; }

body {
  background: radial-gradient(120% 120% at 50% 20%, #1d3a2c 0%, var(--bg) 70%);
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: auto;
}

#ui {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}

#ui > * { pointer-events: auto; }

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
}

.hidden { display: none !important; }

.btn {
  appearance: none;
  border: 2px solid var(--panel-border);
  background: linear-gradient(180deg, #ffd23f 0%, #f0a31c 100%);
  color: #3a2400;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.4px;
  padding: 13px 30px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.08s ease, filter 0.12s ease;
}

.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(2px) scale(0.98); }

.btn.ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn.small { font-size: 0.9rem; padding: 9px 18px; }
.btn.danger { background: linear-gradient(180deg, #ff8a6b, #e0553f); color: #fff; }

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 30px;
  max-width: 92vw;
  max-height: 90vh;
  overflow: auto;
  backdrop-filter: blur(4px);
}

.title {
  font-size: clamp(2.4rem, 8vw, 4rem);
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--gold);
  text-shadow: 0 3px 0 var(--gold-dark), 0 8px 22px rgba(0, 0, 0, 0.55);
  line-height: 1;
  text-align: center;
}

.subtitle {
  color: var(--muted);
  font-size: 1rem;
  text-align: center;
}

.menu-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: min(320px, 86vw);
  margin-top: 10px;
}

.hud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 12px 16px;
  pointer-events: none;
  gap: 12px;
}

.hud-panel {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(10, 24, 14, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 8px 14px;
  min-width: 120px;
  backdrop-filter: blur(3px);
}

.hud-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.hud-banana { color: var(--gold); font-size: 1.05rem; }
.hud-score { color: var(--text); font-size: 0.95rem; }

.progress-wrap {
  position: absolute;
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
  width: min(46vw, 460px);
  pointer-events: none;
}

.progress-track {
  height: 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.22);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--leaf), #9bdb4b);
  transition: width 0.15s linear;
}

.progress-label {
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 4px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.hud-btns {
  display: flex;
  gap: 8px;
  pointer-events: auto;
}

.icon-btn {
  appearance: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(10, 24, 14, 0.6);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  backdrop-filter: blur(3px);
}

.icon-btn:active { transform: scale(0.94); }

.level-grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(44px, 64px));
  gap: 8px;
  justify-content: center;
}

.level-cell {
  position: relative;
  aspect-ratio: 1;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.28);
  background: linear-gradient(160deg, #2c4a37, #1a3325);
  color: var(--text);
  font-weight: 800;
  font-size: 1.02rem;
  cursor: pointer;
  transition: transform 0.08s ease;
}

.level-cell:active { transform: scale(0.94); }

.level-cell.locked {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--muted);
  cursor: not-allowed;
}

.level-cell.current { border-color: var(--gold); box-shadow: 0 0 0 2px var(--gold); }

.cell-stars {
  position: absolute;
  bottom: 3px;
  left: 0;
  right: 0;
  font-size: 0.62rem;
  color: var(--gold);
  letter-spacing: -1px;
  line-height: 1;
}

.pager {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}

.page-info { color: var(--muted); font-weight: 700; min-width: 96px; text-align: center; }

.jump-input {
  width: 90px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 1rem;
  text-align: center;
  font-weight: 700;
}

.jump-input:focus { outline: 2px solid var(--gold); }

.stars-display {
  display: flex;
  gap: 6px;
  justify-content: center;
  font-size: 2.2rem;
}

.star { color: rgba(255, 255, 255, 0.18); }
.star.lit { color: var(--gold); text-shadow: 0 0 12px rgba(255, 210, 63, 0.6); }

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 18px;
  min-width: 260px;
}

.stat { display: flex; justify-content: space-between; gap: 14px; font-size: 1rem; }
.stat b { color: var(--gold); }

.overlay-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.help-list {
  text-align: left;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 440px;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.4;
}

.help-list b { color: var(--text); }
.help-list .kbd {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 6px;
  padding: 1px 8px;
  font-weight: 800;
  color: var(--text);
  font-size: 0.85rem;
}

.powerup-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 4px 10px;
  font-weight: 800;
  font-size: 0.8rem;
}

.powerup-tag.rocket { color: #ffb35c; }
.powerup-tag.shield { color: #7fe0ff; }
.powerup-tag.magnet { color: #ff8a8a; }

.toast {
  position: absolute;
  top: 64px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 800;
  color: var(--text);
  transition: opacity 0.3s ease;
}

.toast.fade { opacity: 0; }

@media (max-width: 720px) {
  .level-grid { grid-template-columns: repeat(5, minmax(44px, 58px)); }
  .hud-panel { min-width: 92px; padding: 6px 10px; }
  .panel { padding: 18px 16px; }
}