:root{
  --pink:#FF8FB1;
  --blue:#7FD8FF;
  --yellow:#FFD66B;
  --bg1:#FFF4F8;
  --bg2:#FFE9F1;
  --ink:#5b4a52;
  --card:#ffffff;
  --radius:20px;
  --shadow:0 10px 24px rgba(255,143,177,.25);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;}
body{
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:linear-gradient(160deg,var(--bg1),var(--bg2));
  display:flex;justify-content:center;align-items:center;
  min-height:100vh;overflow:hidden;
}
#app{
  position:relative;width:100%;max-width:460px;height:100vh;max-height:860px;
  background:var(--card);border-radius:28px;overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
}

/* 视图切换 */
.view{display:none;flex-direction:column;height:100%;padding:16px;}
.view.active{display:flex;}

/* 大厅 */
#lobby{
  background:
    linear-gradient(180deg,rgba(255,255,255,.78),rgba(255,255,255,.92)),
    url("keyvisual.png") center 18% / cover no-repeat;
}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:8px;}
.chip{
  background:rgba(255,255,255,.85);border-radius:999px;padding:6px 14px;font-weight:700;
  box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.icon-btn{
  border:none;background:rgba(255,255,255,.85);border-radius:50%;width:40px;height:40px;
  font-size:18px;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.pet-stage{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;}
.pet{
  font-size:96px;line-height:1;cursor:pointer;user-select:none;
  filter:drop-shadow(0 8px 12px rgba(255,143,177,.4));
  transition:transform .15s ease;
}
.pet.bounce{animation:bounce .5s ease;}
.pet-name{font-size:24px;font-weight:800;}
.pet-stat{font-size:14px;opacity:.75;}
.big-btn{
  border:none;background:linear-gradient(135deg,var(--pink),#ff6f9d);color:#fff;
  font-size:20px;font-weight:800;padding:16px;border-radius:var(--radius);
  cursor:pointer;box-shadow:0 8px 18px rgba(255,111,157,.45);margin:8px 0 12px;
  transition:transform .1s ease;
}
.big-btn:active{transform:scale(.97);}
.tabs{display:flex;justify-content:space-around;gap:4px;}
.tab{
  flex:1;border:none;background:rgba(255,255,255,.7);border-radius:14px;padding:10px 0;
  font-size:13px;font-weight:700;color:var(--ink);cursor:pointer;
}
.tab.active{background:var(--pink);color:#fff;}
.toast{text-align:center;font-size:13px;color:#a07;min-height:18px;margin-top:8px;opacity:0;transition:opacity .3s;}
.toast.show{opacity:1;}

/* 战斗 */
#battle{background:radial-gradient(circle at 50% 0%,#3a2a4d,#1d1530);color:#fff;}
.battle-hud{padding-top:6px;}
.boss-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;}
.boss-name{font-size:20px;font-weight:800;letter-spacing:1px;}
.phase-tag{font-size:12px;font-weight:800;background:var(--yellow);color:#5b4a00;padding:3px 10px;border-radius:999px;opacity:0;transition:opacity .3s;}
.phase-tag.show{opacity:1;}

.arena{
  position:relative;flex:1;display:flex;align-items:center;justify-content:space-around;
  margin:10px 0;
}
.fighter{font-size:84px;line-height:1;filter:drop-shadow(0 8px 14px rgba(0,0,0,.45));}
.fighter.pet{transform:scaleX(1);}
.fighter.boss{transform:scaleX(-1);}
.fighter.hit{animation:hit .35s ease;}
.fighter.attack-r{animation:lunge-r .35s ease;}
.fighter.attack-l{animation:lunge-l .35s ease;}
.fighter.guard{animation:guardPulse .5s ease;}

.float-layer{position:absolute;inset:0;pointer-events:none;}
.float-num{
  position:absolute;font-weight:900;font-size:26px;text-shadow:0 2px 4px rgba(0,0,0,.4);
  animation:floatUp .9s ease forwards;
}
.float-num.dmg{color:#ff5d6c;}
.float-num.heal{color:#7dffb0;}
.float-num.crit{color:#ffd66b;font-size:34px;}

.pet-status{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.energy{font-size:14px;font-weight:800;white-space:nowrap;}

/* 血条 */
.hp-bar{
  position:relative;flex:1;height:18px;background:rgba(0,0,0,.25);border-radius:999px;overflow:hidden;
}
.hp-bar > i{
  display:block;height:100%;width:100%;border-radius:999px;
  transition:width .4s ease;
}
.hp-bar.pet > i{background:linear-gradient(90deg,#7dffb0,#3fd0ff);}
.hp-bar.boss > i{background:linear-gradient(90deg,#ff5d6c,#ff9a3f);}
.hp-text{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.5);}

/* 技能按钮 */
.actions{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;}
.skill{
  border:none;border-radius:16px;padding:14px 0;font-size:15px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--blue),#5aa9ff);cursor:pointer;
  box-shadow:0 5px 12px rgba(90,169,255,.4);transition:transform .1s ease,opacity .2s;
}
.skill[data-skill="guard"]{background:linear-gradient(135deg,#9be88a,#5fc94f);box-shadow:0 5px 12px rgba(95,201,79,.4);}
.skill[data-skill="rage"]{background:linear-gradient(135deg,var(--yellow),#ff9a3f);box-shadow:0 5px 12px rgba(255,154,63,.4);}
.skill.flee{background:linear-gradient(135deg,#b0a8b8,#8a7f95);box-shadow:none;}
.skill:active{transform:scale(.95);}
.skill.disabled{opacity:.4;pointer-events:none;filter:grayscale(.4);}

/* 弹窗 */
.modal{position:absolute;inset:0;background:rgba(20,12,30,.6);display:flex;align-items:center;justify-content:center;z-index:10;}
.modal.hidden{display:none;}
.modal-card{
  background:#fff;color:var(--ink);border-radius:24px;padding:26px 22px;width:80%;max-width:320px;
  text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.4);animation:pop .3s ease;
}
.modal-card h2{font-size:26px;margin-bottom:10px;}
.modal-card p{font-size:15px;opacity:.85;line-height:1.6;margin-bottom:18px;white-space:pre-line;}
.modal-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;}
.modal-btns button{
  border:none;border-radius:14px;padding:12px 20px;font-size:15px;font-weight:800;cursor:pointer;color:#fff;
  background:linear-gradient(135deg,var(--pink),#ff6f9d);box-shadow:0 6px 14px rgba(255,111,157,.4);
}
.modal-btns button.ghost{background:#eee;color:var(--ink);box-shadow:none;}

/* 动画 */
@keyframes bounce{0%,100%{transform:translateY(0)}30%{transform:translateY(-22px)}55%{transform:translateY(0)}70%{transform:translateY(-8px)}}
@keyframes hit{0%,100%{transform:translateX(0)}20%{transform:translateX(-10px) rotate(-4deg)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(3px)}}
@keyframes lunge-r{0%{transform:translateX(0)}50%{transform:translateX(60px)}100%{transform:translateX(0)}}
@keyframes lunge-l{0%{transform:scaleX(-1) translateX(0)}50%{transform:scaleX(-1) translateX(60px)}100%{transform:scaleX(-1) translateX(0)}}
@keyframes guardPulse{0%,100%{filter:drop-shadow(0 8px 14px rgba(0,0,0,.45))}50%{filter:drop-shadow(0 0 18px #9be88a)}}
@keyframes floatUp{0%{opacity:0;transform:translateY(10px) scale(.8)}20%{opacity:1}100%{opacity:0;transform:translateY(-60px) scale(1.1)}}
@keyframes pop{0%{transform:scale(.8);opacity:0}100%{transform:scale(1);opacity:1}}