:root{
  --red:#ff5a5f; --gold:#ffb703; --teal:#06d6a0; --purple:#7b2ff7;
  --blue:#3a86ff; --ink:#2b2233; --paper:#fffdf7; --muted:#8a8194;
  --shadow:0 12px 30px rgba(123,47,247,.15);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;height:100%;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  color:var(--ink);
  background:linear-gradient(135deg,#fff0e6 0%,#ffe8f0 35%,#f3e8ff 70%,#e6f7ff 100%);
  background-size:400% 400%;
  animation:bgshift 18s ease infinite;
  min-height:100%;
  overflow-x:hidden;
}
@keyframes bgshift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}

/* floating decorations */
.floaty{position:fixed;top:-60px;font-size:34px;opacity:.5;pointer-events:none;z-index:0;animation:fall linear infinite;}
@keyframes fall{0%{transform:translateY(-10vh) rotate(0)}100%{transform:translateY(110vh) rotate(360deg)}}

.wrap{position:relative;z-index:2;max-width:760px;margin:0 auto;padding:18px 16px 60px;}

/* header */
header.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.logo{font-family:"STKaiti","KaiTi","PingFang SC",serif;font-weight:700;font-size:26px;
  background:linear-gradient(90deg,var(--red),var(--gold),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent;
  display:flex;align-items:center;gap:8px;}
.logo .lantern{font-size:28px;-webkit-text-fill-color:initial;animation:sway 2.4s ease-in-out infinite;}
@keyframes sway{0%,100%{transform:rotate(-8deg)}50%{transform:rotate(8deg)}}
.iconbtn{background:var(--paper);border:none;border-radius:14px;padding:8px 12px;font-size:18px;
  box-shadow:var(--shadow);cursor:pointer;transition:transform .15s;}
.iconbtn:active{transform:scale(.9);}

/* screens */
.screen{display:none;animation:pop .4s ease;}
.screen.active{display:block;}
@keyframes pop{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* hero */
.hero{text-align:center;padding:14px 4px 6px;}
.hero h1{font-family:"STKaiti","KaiTi",serif;font-size:34px;margin:6px 0;letter-spacing:2px;
  background:linear-gradient(90deg,var(--red),var(--gold),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p{color:var(--muted);margin:4px 0 0;font-size:14px;}
.stats-row{display:flex;gap:10px;justify-content:center;margin:14px 0;flex-wrap:wrap;}
.stat{background:var(--paper);border-radius:16px;padding:10px 16px;text-align:center;box-shadow:var(--shadow);min-width:84px;}
.stat b{display:block;font-size:22px;color:var(--purple);}
.stat span{font-size:12px;color:var(--muted);}

/* section title */
.sec-title{font-weight:700;margin:22px 4px 10px;font-size:16px;display:flex;align-items:center;gap:6px;}

/* mode cards */
.modes{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.mode{background:var(--paper);border-radius:20px;padding:18px 14px;box-shadow:var(--shadow);cursor:pointer;
  transition:transform .18s, box-shadow .18s;position:relative;overflow:hidden;}
.mode:hover{transform:translateY(-4px) rotate(-.6deg);}
.mode:active{transform:scale(.97);}
.mode .emo{font-size:34px;display:block;margin-bottom:6px;animation:bob 2.2s ease-in-out infinite;}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.mode h3{margin:4px 0 2px;font-size:17px;}
.mode p{margin:0;font-size:12px;color:var(--muted);line-height:1.5;}
.mode.wide{grid-column:span 2;}

/* category chips */
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{background:var(--paper);border:2px solid transparent;border-radius:999px;padding:8px 14px;font-size:13px;
  cursor:pointer;box-shadow:var(--shadow);transition:all .15s;user-select:none;}
.chip:active{transform:scale(.92);}
.chip.sel{background:linear-gradient(90deg,var(--red),var(--gold));color:#fff;border-color:#fff;}

/* play card */
.play-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:10px;}
.badges{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.badge{background:var(--paper);border-radius:12px;padding:6px 10px;font-size:13px;box-shadow:var(--shadow);}
.badge b{color:var(--purple);}
.hearts{font-size:18px;letter-spacing:2px;}
.combo{color:var(--red);font-weight:700;}
.timerbar{height:10px;background:#fff;border-radius:999px;overflow:hidden;box-shadow:var(--shadow);margin:6px 0 14px;}
.timerbar i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--teal),var(--gold));transition:width 1s linear;}

.card{background:var(--paper);border-radius:24px;padding:26px 22px;box-shadow:var(--shadow);position:relative;overflow:hidden;}
.card::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 12% 12%,rgba(255,183,3,.10),transparent 30%),
  radial-gradient(circle at 88% 88%,rgba(123,47,247,.10),transparent 30%);pointer-events:none;}
.cat-tag{display:inline-block;background:linear-gradient(90deg,var(--blue),var(--teal));color:#fff;border-radius:999px;
  padding:4px 12px;font-size:12px;margin-bottom:14px;}
.puzzle{font-family:"STKaiti","KaiTi",serif;font-size:23px;line-height:1.7;margin:0 0 6px;position:relative;}
.puzzle .q{color:var(--red);font-size:26px;margin-right:4px;}
.hintline{color:var(--muted);font-size:13px;min-height:18px;margin:8px 0 14px;}
.hintline.show{color:var(--gold);font-weight:700;}

.answer-box{display:flex;gap:10px;margin-top:8px;}
.answer-box input{flex:1;border:2px solid #efe6f5;border-radius:14px;padding:13px 14px;font-size:17px;outline:none;
  transition:border .2s;background:#fff;}
.answer-box input:focus{border-color:var(--purple);}
.answer-box input.shake{animation:shake .4s;border-color:var(--red);}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-6px)}80%{transform:translateX(6px)}}

.btn{border:none;border-radius:14px;padding:13px 18px;font-size:15px;font-weight:700;cursor:pointer;color:#fff;
  background:linear-gradient(90deg,var(--red),var(--gold));box-shadow:var(--shadow);transition:transform .15s;}
.btn:active{transform:scale(.94);}
.btn.ghost{background:#fff;color:var(--ink);box-shadow:var(--shadow);}
.btn.teal{background:linear-gradient(90deg,var(--teal),var(--blue));}
.btn.block{width:100%;}
.btn-row{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap;}
.btn-row .btn{flex:1;min-width:120px;}

.reveal{margin-top:16px;padding:14px;border-radius:16px;background:#fff4e6;font-size:16px;display:none;}
.reveal.show{display:block;animation:pop .3s ease;}
.reveal b{color:var(--red);font-size:20px;font-family:"STKaiti","KaiTi",serif;}
.toast{position:fixed;left:50%;bottom:80px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;
  padding:10px 18px;border-radius:999px;font-size:14px;opacity:0;transition:all .3s;z-index:50;pointer-events:none;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* result */
.result{text-align:center;background:var(--paper);border-radius:24px;padding:30px 20px;box-shadow:var(--shadow);}
.result .big{font-size:54px;font-weight:800;background:linear-gradient(90deg,var(--red),var(--gold),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.result .sub{color:var(--muted);margin:6px 0 16px;}
.result .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0;}
.result .grid .stat{min-width:0;}

/* favorites */
.fav-list{display:flex;flex-direction:column;gap:12px;}
.fav{background:var(--paper);border-radius:16px;padding:14px 16px;box-shadow:var(--shadow);}
.fav .p{font-family:"STKaiti","KaiTi",serif;font-size:17px;line-height:1.6;}
.fav .a{color:var(--red);font-weight:700;margin-top:6px;}
.fav .meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;}
.empty{text-align:center;color:var(--muted);padding:40px 0;}

/* confetti canvas */
#confetti{position:fixed;inset:0;pointer-events:none;z-index:40;}

footer{text-align:center;color:var(--muted);font-size:12px;margin-top:30px;}

/* 谜格百科 */
.ge-intro{background:var(--paper);border-radius:18px;padding:14px 16px;box-shadow:var(--shadow);font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:14px;}
.ge-intro b{color:var(--purple);}
.ge-search{width:100%;border:2px solid #efe6f5;border-radius:14px;padding:11px 14px;font-size:15px;outline:none;margin-bottom:12px;background:#fff;}
.ge-search:focus{border-color:var(--purple);}
.ge-list{display:flex;flex-direction:column;gap:12px;}
.ge-card{background:var(--paper);border-radius:18px;padding:14px 16px;box-shadow:var(--shadow);cursor:pointer;transition:transform .15s;}
.ge-card:active{transform:scale(.98);}
.ge-card .head{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.ge-card .nm{font-family:"STKaiti","KaiTi",serif;font-size:19px;font-weight:700;}
.ge-card .cat{font-size:11px;color:#fff;background:linear-gradient(90deg,var(--blue),var(--teal));border-radius:999px;padding:3px 10px;white-space:nowrap;}
.ge-card .al{color:var(--muted);font-size:12px;margin-top:2px;}
.ge-card .body{display:none;margin-top:10px;padding-top:10px;border-top:1px dashed #eadff5;font-size:13px;line-height:1.7;}
.ge-card.open .body{display:block;animation:pop .3s ease;}
.ge-card .body .rule{color:var(--ink);}
.ge-card .ex{background:#fff4e6;border-radius:12px;padding:10px 12px;margin-top:8px;}
.ge-card .ex .m{color:var(--blue);}
.ge-card .ex .d{color:var(--red);font-weight:700;font-family:"STKaiti","KaiTi",serif;font-size:16px;}
.ge-card .ex .j{color:var(--muted);display:block;margin-top:4px;}

/* 答题页谜格链接 */
.ge-link{display:inline-block;margin:10px 0 0;background:linear-gradient(90deg,var(--purple),var(--blue));color:#fff;
  border-radius:999px;padding:5px 12px;font-size:12px;cursor:pointer;box-shadow:var(--shadow);}
.ge-link:active{transform:scale(.95);}