*{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#FF8C42;
  --primary-light:#FFB07A;
  --secondary:#6BCB77;
  --sky:#87CEEB;
  --brown:#8B5E3C;
  --brown-light:#C49A6C;
  --brown-dark:#5C3A1E;
  --dirt:#A0754A;
  --bg-top:#FFE5CC;
  --bg-bot:#FFF5EB;
  --card-bg:rgba(255,255,255,0.92);
  --radius:18px;
  --shadow:0 8px 28px rgba(139,94,60,0.18);
}
body{
  min-height:100vh;
  background:linear-gradient(135deg,var(--bg-top),var(--bg-bot));
  font-family:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  display:flex;flex-direction:column;align-items:center;
  overflow-x:hidden;
  user-select:none;-webkit-user-select:none;
  cursor:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 32 32"><text y="28" font-size="28">🔨</text></svg>') 4 4,auto;
}
.back-btn{
  position:fixed;top:16px;left:16px;z-index:100;
  background:var(--card-bg);color:var(--brown);
  padding:8px 18px;border-radius:30px;
  text-decoration:none;font-size:15px;font-weight:600;
  box-shadow:var(--shadow);transition:transform .2s;
}
.back-btn:hover{transform:scale(1.06)}
.game-wrap{
  position:relative;
  width:min(440px,94vw);
  margin:60px auto 30px;
}
/* HUD */
.hud{
  display:flex;justify-content:space-around;
  background:var(--card-bg);border-radius:var(--radius);
  padding:12px 8px;margin-bottom:18px;
  box-shadow:var(--shadow);
}
.hud-item{display:flex;flex-direction:column;align-items:center}
.hud .label{font-size:13px;color:#999;font-weight:600}
.hud .val{font-size:28px;font-weight:800;color:var(--brown-dark)}
#timer{color:var(--primary)}
#score{color:var(--secondary)}
/* Board */
.board{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  padding:24px 16px 16px;
  background:linear-gradient(180deg,#C8E6C9 0%,#A5D6A7 100%);
  border-radius:var(--radius);
  box-shadow:var(--shadow),inset 0 2px 0 rgba(255,255,255,0.4);
}
/* Hole */
.hole{
  position:relative;
  width:100%;padding-bottom:90%;
  overflow:hidden;
  cursor:inherit;
}
.dirt{
  position:absolute;bottom:0;left:5%;width:90%;height:38%;
  background:radial-gradient(ellipse at center,var(--dirt) 0%,var(--brown) 100%);
  border-radius:50%;z-index:3;
  box-shadow:inset 0 -4px 6px rgba(0,0,0,0.25);
}
/* Mole */
.mole{
  position:absolute;
  bottom:8%;left:50%;
  width:64%;height:70%;
  transform:translateX(-50%) translateY(100%);
  transition:transform .15s ease-out;
  z-index:2;
  pointer-events:none;
}
.mole::before{
  content:'';display:block;
  width:100%;height:100%;
  background:radial-gradient(circle at 50% 40%,#D4A574 0%,var(--brown) 80%);
  border-radius:50% 50% 40% 40%;
  position:relative;
  box-shadow:inset 0 -6px 10px rgba(0,0,0,0.2),0 4px 8px rgba(0,0,0,0.15);
}
/* Eyes */
.mole::after{
  content:'👀';
  position:absolute;top:22%;left:50%;
  transform:translateX(-50%);
  font-size:min(5vw,22px);
  line-height:1;
}
/* Mole up */
.hole.up .mole{
  transform:translateX(-50%) translateY(10%);
  pointer-events:auto;
}
/* Whacked */
.hole.whacked .mole{
  transform:translateX(-50%) translateY(100%) scale(0.8);
  transition:transform .12s ease-in;
}
.hole.whacked .mole::after{
  content:'😵';
}
/* Golden mole */
.hole.golden .mole::before{
  background:radial-gradient(circle at 50% 40%,#FFD700 0%,#FFA500 80%);
}
.hole.golden .mole::after{
  content:'🤩';
}
/* Bomb mole */
.hole.bomb .mole::before{
  background:radial-gradient(circle at 50% 40%,#555 0%,#222 80%);
}
.hole.bomb .mole::after{
  content:'💣';
}
.hole.bomb.whacked .mole::after{
  content:'💥';
}
/* Hit effect */
.hit-fx{
  position:absolute;top:10%;left:50%;transform:translateX(-50%);
  font-size:24px;font-weight:800;
  color:var(--secondary);z-index:10;
  animation:hitUp .6s ease-out forwards;
  pointer-events:none;
}
.hit-fx.gold{color:#FFD700;font-size:28px}
.hit-fx.bad{color:#E53935}
@keyframes hitUp{
  0%{opacity:1;transform:translateX(-50%) translateY(0)}
  100%{opacity:0;transform:translateX(-50%) translateY(-50px)}
}
/* Overlay */
.overlay{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,245,235,0.85);
  border-radius:var(--radius);
  z-index:20;
  opacity:0;pointer-events:none;
  transition:opacity .3s;
}
.overlay.show{opacity:1;pointer-events:auto}
.card{
  background:var(--card-bg);
  border-radius:var(--radius);
  padding:32px 28px;text-align:center;
  box-shadow:var(--shadow);
  animation:pop .35s ease-out;
  max-width:320px;width:90%;
}
.card-emoji{font-size:48px;margin-bottom:8px}
.card h2{font-size:26px;color:var(--brown-dark);margin-bottom:8px}
.card p{color:#888;font-size:15px;line-height:1.6;margin-bottom:16px}
.card .final-score{font-size:52px;font-weight:800;color:var(--primary);margin:8px 0}
.card .best-line{font-size:14px;color:#aaa;margin-bottom:12px}
.btn-start{
  display:inline-block;
  padding:14px 44px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;border:none;border-radius:30px;
  font-size:18px;font-weight:700;
  cursor:pointer;
  box-shadow:0 4px 14px rgba(255,140,66,0.4);
  transition:transform .15s,box-shadow .15s;
}
.btn-start:hover{transform:scale(1.05);box-shadow:0 6px 20px rgba(255,140,66,0.5)}
.btn-start:active{transform:scale(0.97)}
/* Particle */
.particle{
  position:fixed;
  width:12px;height:12px;
  border-radius:50%;
  pointer-events:none;z-index:50;
  animation:particleFly .5s ease-out forwards;
}
@keyframes particleFly{
  0%{opacity:1;transform:translate(0,0) scale(1)}
  100%{opacity:0;transform:translate(var(--dx),var(--dy)) scale(0.3)}
}
@keyframes pop{
  0%{transform:scale(0.7);opacity:0}
  70%{transform:scale(1.05)}
  100%{transform:scale(1);opacity:1}
}
/* Shake board on bomb */
.board.shake{animation:shakeBoard .4s ease-in-out}
@keyframes shakeBoard{
  0%,100%{transform:translateX(0)}
  20%{transform:translateX(-8px)}
  40%{transform:translateX(8px)}
  60%{transform:translateX(-6px)}
  80%{transform:translateX(6px)}
}
/* Responsive */
@media(max-width:420px){
  .game-wrap{margin-top:50px}
  .hud .val{font-size:22px}
  .board{gap:8px;padding:18px 10px 10px}
  .card{padding:24px 18px}
  .card h2{font-size:22px}
  .btn-start{padding:12px 36px;font-size:16px}
}