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

:root {
  --mint: #7dffce;
  --gold: #ffd166;
  --danger: #ff5470;
  --bg: #07130c;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: #ecfff5;
  -webkit-user-select: none;
  user-select: none;
}

#game {
  position: fixed;
  inset: 0;
  display: block;
  cursor: crosshair;
}

/* ---------- HUD ---------- */
#hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 14px 26px;
  pointer-events: none;
}

.hud-left, .hud-right { display: flex; flex-direction: column; gap: 3px; }
.hud-right { text-align: right; }

.hud-row { display: flex; gap: 12px; align-items: baseline; }
.hud-end { justify-content: flex-end; }

.hud-label { font-size: 10px; letter-spacing: 3px; color: #6fae8f; }

.hud-value {
  font-size: 21px;
  font-weight: 700;
  color: var(--mint);
  text-shadow: 0 0 10px rgba(125,255,206,.45);
  font-variant-numeric: tabular-nums;
}

.hud-value.big { font-size: 30px; color: #fff; text-shadow: 0 0 18px rgba(255,255,255,.3); }

.mini-btn {
  margin-top: 5px;
  padding: 4px 12px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 2px;
  font-family: inherit;
  color: var(--mint);
  background: rgba(125,255,206,.07);
  border: 1px solid rgba(125,255,206,.4);
  border-radius: 12px;
  cursor: pointer;
  pointer-events: auto;
}

.mini-btn:hover { background: rgba(125,255,206,.2); }

#hintbar {
  position: fixed;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10.5px;
  letter-spacing: 2px;
  color: #4e8a6d;
  white-space: nowrap;
  pointer-events: none;
}

/* ---------- Overlays ---------- */
.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(7,26,15,.87) 0%, rgba(7,19,12,.97) 100%);
  z-index: 10;
  padding: 24px;
}

.hidden { display: none !important; }

.game-title {
  font-size: clamp(50px, 10vw, 100px);
  font-weight: 800;
  letter-spacing: 20px;
  line-height: 1;
  color: #f2fff8;
  margin-left: 20px;
}

.game-title span { color: var(--mint); text-shadow: 0 0 28px var(--mint), 0 0 70px rgba(125,255,206,.4); }

.tagline {
  font-size: clamp(14px, 2.2vw, 19px);
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gold);
  text-shadow: 0 0 14px rgba(255,209,102,.45);
}

.rules p { margin: 4px 0; color: #a9dcc2; font-size: clamp(13px, 1.7vw, 15.5px); }
.rules strong { color: var(--mint); }
.rules p:nth-child(4) strong { color: var(--gold); }

.btn {
  margin-top: 6px;
  padding: 15px 44px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--mint);
  background: transparent;
  border: 2px solid var(--mint);
  border-radius: 40px;
  cursor: pointer;
  transition: all .18s;
}

.btn:hover {
  background: rgba(125,255,206,.13);
  box-shadow: 0 0 30px rgba(125,255,206,.5), inset 0 0 20px rgba(125,255,206,.15);
  transform: translateY(-2px);
}

.btn.secondary { color: #86b89e; border-color: rgba(134,184,158,.5); }
.btn.secondary:hover { background: rgba(134,184,158,.09); box-shadow: none; }

.best { font-size: 13px; letter-spacing: 2px; color: var(--gold); }

h2 { font-size: clamp(28px, 5.5vw, 46px); letter-spacing: 7px; color: #f2fff8; }

.card-title { color: var(--mint); text-shadow: 0 0 26px rgba(125,255,206,.55); }

.score-table {
  display: grid;
  grid-template-columns: repeat(9, minmax(58px, 72px));
  gap: 7px;
}

.sc-cell {
  padding: 9px 0 7px;
  border-radius: 10px;
  border: 1px solid rgba(125,255,206,.22);
  background: rgba(125,255,206,.05);
}

.sc-cell .sc-hole { display: block; font-size: 9.5px; letter-spacing: 2px; color: #6fae8f; }
.sc-cell .sc-par { display: block; font-size: 10.5px; color: #86b89e; }
.sc-cell .sc-strokes { display: block; font-size: 21px; font-weight: 800; margin-top: 2px; color: #fff; }

.sc-cell.under { border-color: var(--mint); background: rgba(125,255,206,.13); }
.sc-cell.under .sc-strokes { color: var(--mint); }
.sc-cell.over { border-color: rgba(255,84,112,.5); }
.sc-cell.over .sc-strokes { color: var(--danger); }

.final-wrap { display: flex; flex-direction: column; gap: 5px; align-items: center; }
.final-label { font-size: 11px; letter-spacing: 4px; color: #6fae8f; }

.final-score {
  font-size: clamp(44px, 8.5vw, 76px);
  font-weight: 800;
  color: var(--mint);
  text-shadow: 0 0 30px var(--mint);
  font-variant-numeric: tabular-nums;
}

.btn-row { display: flex; gap: 13px; flex-wrap: wrap; justify-content: center; }

.dim { color: #5c8a70; }