@import url('https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

/* ============ Design Tokens · 国风明亮 ============ */
:root{
  --bg: #FFF6E8;
  --bg-2: #FFFAF0;
  --paper: #FFFFFF;
  --paper-2: #FFFCF5;
  --red: #D72638;
  --red-deep: #B91C2C;
  --red-soft: rgba(215,38,56,.10);
  --gold: #F4B400;
  --blue: #1B5FAB;
  --jade: #2BAE85;
  --ink: #2A1A1A;
  --ink-2: #6B5544;
  --ink-3: #9A8770;
  --line: #F0E2C8;
  --line-2: #E8D5B7;
  --shadow-sm: 0 2px 8px rgba(42,26,26,.06);
  --shadow: 0 8px 28px rgba(42,26,26,.10);
  --shadow-lg: 0 16px 48px rgba(42,26,26,.14);
  --r-sm: 10px; --r: 16px; --r-lg: 22px;
  --font-display: 'Ma Shan Zheng', 'STKaiti', 'KaiTi', cursive;
  --font-ui: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;margin:0;}
body{
  font-family:var(--font-ui);
  color:var(--ink);
  background:
    radial-gradient(1200px 700px at 50% -10%, #FFE9C8 0%, transparent 60%),
    radial-gradient(900px 600px at 110% 110%, rgba(215,38,56,.05) 0%, transparent 55%),
    var(--bg);
  min-height:100vh;overflow:hidden;
}
button{font-family:var(--font-ui);cursor:pointer;border:none;background:none;color:inherit;}
.hidden{display:none !important;}
.ic{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.ic-sm{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}

/* ============ 页面状态机 ============ */
.page{
  position:fixed;inset:0;display:none;flex-direction:column;
  padding:calc(env(safe-area-inset-top, 0px) + 46px) 22px calc(env(safe-area-inset-bottom, 0px) + 22px);
  overflow:hidden;z-index:1;
}
.page.active{display:flex;animation:fade .3s ease;}
@keyframes fade{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}

.seal{display:inline-flex;align-items:center;justify-content:center;
  background:var(--red);color:#fff;
  font-family:var(--font-display);letter-spacing:1px;
  border-radius:50%;
  box-shadow:0 4px 12px rgba(215,38,56,.35), inset 0 0 0 2px rgba(255,255,255,.18);}

/* ============ 通用按钮 ============ */
.btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:14px;border-radius:var(--r);
  font-weight:600;font-size:15px;letter-spacing:1px;
  transition:transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  color:#fff;box-shadow:0 8px 20px rgba(215,38,56,.30);
}
.btn-primary:hover{filter:brightness(1.05);}
.btn-secondary{
  background:var(--paper);color:var(--ink);
  border:1.5px solid var(--line-2);box-shadow:var(--shadow-sm);
}
.btn-secondary:hover{border-color:var(--red);color:var(--red);}
.btn-ghost{background:transparent;color:var(--ink-2);}
.btn-ghost:hover{color:var(--red);}

/* ============ 加载页 ============ */
#page-load{align-items:center;justify-content:center;}
.load-logo{font-family:var(--font-display);font-size:46px;color:var(--red);margin-bottom:6px;letter-spacing:6px;}
.load-sub{font-size:12px;color:var(--ink-3);letter-spacing:4px;margin-bottom:34px;}
.load-bar{width:200px;height:6px;border-radius:999px;background:var(--line);overflow:hidden;}
.load-bar-in{height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--red),var(--gold));transition:width .12s linear;}

/* ============ 授权页 ============ */
#page-auth{align-items:center;justify-content:center;text-align:center;gap:18px;}
.auth-seal{width:84px;height:84px;font-size:44px;}
#page-auth p{color:var(--ink-2);font-size:13px;}

/* ============ 首页 ============ */
#page-home{align-items:center;text-align:center;position:relative;}
#page-home::before{
  content:"";position:absolute;left:50%;top:30%;transform:translate(-50%,-50%);
  width:520px;height:520px;
  background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200' fill='none' stroke='%23D72638' stroke-width='1.2' opacity='0.05'><path d='M40 80 Q40 60 60 60 Q70 40 90 50 Q110 40 120 60 Q140 60 140 80 Q140 100 120 100 L60 100 Q40 100 40 80 Z'/><path d='M30 130 Q30 110 50 110 Q60 95 80 105 Q100 95 110 110 Q130 110 130 130 Q130 150 110 150 L50 150 Q30 150 30 130 Z'/><path d='M70 30 Q70 15 85 15 Q95 5 110 15 Q125 5 135 15 Q150 15 150 30'/></svg>") center/contain no-repeat;
  pointer-events:none;z-index:0;
}
#page-home > *{position:relative;z-index:1;}
.brand{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:18px;}
.brand .mark{width:28px;height:28px;color:var(--red);}
.brand .wm{font-size:13px;color:var(--ink-2);letter-spacing:3px;font-weight:600;}
.kicker{display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:var(--red-soft);color:var(--red);
  font-size:11px;font-weight:600;letter-spacing:2px;}
.frame-corners{position:relative;display:inline-block;margin:8px auto 16px;padding:14px 26px;}
.frame-corners::before,.frame-corners::after,
.frame-corners > .c::before,.frame-corners > .c::after{
  content:"";position:absolute;width:14px;height:14px;
  border:2px solid var(--gold);border-radius:2px;
}
.frame-corners::before{top:0;left:0;border-right:none;border-bottom:none;}
.frame-corners::after{top:0;right:0;border-left:none;border-bottom:none;}
.frame-corners > .c::before{bottom:0;left:0;border-right:none;border-top:none;}
.frame-corners > .c::after{bottom:0;right:0;border-left:none;border-top:none;}
.hero{margin:6px 0 20px;}
.hero h1{
  font-family:var(--font-display);font-weight:400;
  font-size:84px;line-height:1;margin:14px 0 6px;color:var(--red);
  text-shadow:0 4px 0 rgba(215,38,56,.08);
}
.home-cta{display:flex;flex-direction:column;gap:10px;width:100%;margin-top:auto;}
.home-user{display:flex;align-items:center;gap:8px;justify-content:center;
  font-size:12px;color:var(--ink-2);margin-bottom:14px;}
.home-user img,.home-user .uav{
  width:26px;height:26px;border-radius:50%;object-fit:cover;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  color:#fff;font-family:var(--font-display);font-size:13px;
}

/* ============ 游戏页 ============ */
#page-game{padding:calc(env(safe-area-inset-top, 0px) + 40px) 16px calc(env(safe-area-inset-bottom, 0px) + 16px);}
.ghead{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.ghead .lv{font-family:var(--font-display);font-size:24px;color:var(--ink);}
.ghead .lv b{color:var(--red);font-size:30px;}
.ghead .lv .total{color:var(--ink-3);font-size:14px;font-family:var(--font-ui);margin-left:4px;}
.timer{
  font-variant-numeric:tabular-nums;font-size:18px;font-weight:700;
  padding:6px 14px;border-radius:999px;
  background:var(--paper);border:1.5px solid var(--gold);color:var(--ink);
  box-shadow:var(--shadow-sm);
}
.timer b{color:var(--red);}
.btn-preview{
  display:flex;align-items:center;gap:5px;
  padding:7px 12px;border-radius:999px;
  background:var(--paper);border:1.5px solid var(--line-2);
  font-size:12px;font-weight:600;color:var(--ink-2);
  transition:border-color .15s, color .15s;
}
.btn-preview:hover{border-color:var(--red);color:var(--red);}
.playfield{position:relative;flex:1;display:flex;align-items:center;justify-content:center;min-height:0;}
.board{
  position:relative;border-radius:var(--r-sm);overflow:hidden;
  background:var(--paper);
  box-shadow:var(--shadow-lg), inset 0 0 0 2px var(--line-2);
}
.piece{
  position:absolute;background-repeat:no-repeat;
  border-radius:6px;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.85), 0 2px 6px rgba(42,26,26,.15);
  cursor:pointer;
  transition:left .32s cubic-bezier(.4,1.2,.5,1), top .32s cubic-bezier(.4,1.2,.5,1),
             transform .18s ease, box-shadow .18s ease;
}
.piece.selected{
  transform:scale(1.05);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.9), 0 0 0 3px var(--blue), 0 8px 18px rgba(42,26,26,.22);
  z-index:5;
}
.piece.locked{
  cursor:default;
  box-shadow:inset 0 0 0 2px var(--red), 0 0 12px rgba(215,38,56,.25), 0 2px 6px rgba(42,26,26,.10);
  animation:lockPop .42s ease;
}
@keyframes lockPop{0%{transform:scale(1);}40%{transform:scale(1.10);}100%{transform:scale(1);}}
.preview{
  position:absolute;inset:0;z-index:60;display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;padding:24px;
  background:rgba(255,246,232,.94);backdrop-filter:blur(10px);
}
.preview.show{display:flex;animation:fade .25s ease;}
.preview img{max-width:92%;max-height:72%;border-radius:var(--r-sm);
  background:var(--paper);box-shadow:var(--shadow-lg), inset 0 0 0 2px var(--line-2);}
.preview .ph{font-family:var(--font-display);font-size:20px;color:var(--red);letter-spacing:3px;}
.preview .ptip{font-size:11px;color:var(--ink-2);letter-spacing:2px;
  border:1px solid var(--line-2);border-radius:999px;padding:6px 14px;background:var(--paper);}
.toast{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);
  z-index:70;background:linear-gradient(135deg,var(--red),var(--red-deep));
  color:#fff;font-family:var(--font-display);font-size:28px;letter-spacing:4px;
  padding:18px 34px;border-radius:var(--r);
  box-shadow:0 12px 36px rgba(215,38,56,.35);
  opacity:0;pointer-events:none;transition:.35s;
}
.toast.show{opacity:1;transform:translate(-50%,-50%) scale(1);}

/* ============ 结果页 ============ */
#page-result{align-items:center;text-align:center;}
.res-kicker{font-size:11px;letter-spacing:4px;color:var(--ink-3);margin-bottom:6px;}
.res-title{font-family:var(--font-display);font-size:38px;color:var(--red);letter-spacing:6px;margin:0 0 8px;}
.res-total{
  font-family:var(--font-display);font-weight:400;font-size:72px;line-height:1;
  color:var(--ink);margin:6px 0 4px;
}
.res-total small{font-size:22px;color:var(--ink-2);margin-left:6px;font-family:var(--font-ui);}
.res-record{display:inline-block;margin:4px 0 12px;font-size:12px;color:#fff;
  background:linear-gradient(135deg,var(--gold),#E89A00);
  padding:4px 14px;border-radius:999px;letter-spacing:2px;font-weight:600;
  box-shadow:0 4px 12px rgba(244,180,0,.35);}
.res-rank{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);
  padding:6px 14px;border-radius:999px;
  background:var(--paper);border:1.5px solid var(--gold);
  box-shadow:var(--shadow-sm);margin-bottom:18px;
}
.res-rank b{color:var(--red);font-family:var(--font-display);font-size:22px;}
.res-actions{width:100%;margin-top:auto;display:flex;flex-direction:column;gap:10px;}

/* ============ 排行榜页 ============ */
#page-rank{align-items:center;text-align:center;}
.lb-card{width:100%;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r);padding:8px;box-shadow:var(--shadow);margin-top:14px;}
.lb-head{display:flex;justify-content:space-between;align-items:center;
  padding:8px 10px 10px;font-size:11px;letter-spacing:2px;color:var(--ink-3);
  border-bottom:1px dashed var(--line);margin-bottom:6px;}
.lb-body{max-height:52vh;overflow-y:auto;}
.lb-row{display:flex;align-items:center;gap:12px;padding:10px;border-radius:var(--r-sm);}
.lb-row.me{background:var(--red-soft);border:1px solid rgba(215,38,56,.25);}
.lb-medal{
  width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:16px;color:#fff;
  background:var(--ink-3);flex:0 0 auto;
}
.lb-medal.m1{background:linear-gradient(135deg,#F4B400,#E89A00);}
.lb-medal.m2{background:linear-gradient(135deg,#C0C8D4,#8A93A0);}
.lb-medal.m3{background:linear-gradient(135deg,#D4925A,#A06A36);}
.lb-rank-num{width:32px;text-align:center;font-family:var(--font-display);
  font-size:18px;color:var(--ink-3);flex:0 0 auto;}
.lb-av{width:34px;height:34px;border-radius:50%;flex:0 0 auto;object-fit:cover;
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:16px;color:#fff;font-weight:700;}
.lb-name{flex:1;text-align:left;font-size:14px;font-weight:500;color:var(--ink);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.lb-time{font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--ink);}
.lb-time b{color:var(--red);}
.lb-empty{padding:30px 10px;color:var(--ink-3);font-size:13px;}

/* ============ 规则弹窗 ============ */
.mask{
  position:fixed;inset:0;z-index:100;display:flex;
  align-items:center;justify-content:center;padding:24px;
  background:rgba(42,26,26,.45);backdrop-filter:blur(6px);
}
.modal-card{
  position:relative;width:100%;max-width:340px;
  background:var(--paper);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);overflow:hidden;
  animation:pop .26s cubic-bezier(.3,1.3,.5,1);
}
@keyframes pop{from{transform:scale(.92);opacity:0;}to{transform:scale(1);opacity:1;}}
.modal-head{display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;background:linear-gradient(135deg,var(--red),var(--red-deep));color:#fff;}
.modal-head .title{display:flex;align-items:center;gap:10px;}
.modal-head .title .seal{width:30px;height:30px;font-size:14px;}
.modal-head h3{font-family:var(--font-display);font-size:22px;letter-spacing:4px;margin:0;font-weight:400;}
.modal-close{width:28px;height:28px;border-radius:50%;
  background:rgba(255,255,255,.18);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;}
.modal-body{padding:18px 20px 6px;}
.rules-list{list-style:none;padding:0;margin:0 0 14px;counter-reset:r;}
.rules-list li{counter-increment:r;position:relative;padding:10px 12px 10px 42px;
  margin-bottom:8px;background:var(--bg-2);border-radius:var(--r-sm);
  font-size:13px;line-height:1.6;color:var(--ink);border:1px solid var(--line);}
.rules-list li::before{content:counter(r);position:absolute;left:10px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border-radius:50%;background:var(--red);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:14px;}
.modal-foot{padding:0 20px 18px;}