/* ============ 插画风设计 token（取自三张参考素材） ============ */
:root{
  --paper:#f5ead6;      /* 纸底 */
  --paper-2:#efe0c6;
  --cream:#fbf5e6;
  --ink:#3a2f2a;        /* 描边墨色 */
  --ink-2:#6b5a4d;
  --pink:#f6a9c0;
  --pink-deep:#ea7fa6;
  --rose:#e0527a;
  --violet:#7c81c4;
  --violet-deep:#5d619e;
  --sky:#c3cdf3;
  --olive:#7fb45a;
  --olive-deep:#5d8f43;
  --brick:#c9563f;
  --sun:#f7cf6e;
  --line:3px;
  --r:18px;
  --shadow:0 6px 0 rgba(58,47,42,.85), 0 12px 22px rgba(58,47,42,.18);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden;background:var(--paper);}
body{
  font-family:"ZCOOL KuaiLe","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  color:var(--ink);user-select:none;touch-action:none;
}
#app{position:fixed;inset:0;overflow:hidden}
#gl,#fx{position:absolute;inset:0;width:100%;height:100%;display:block}
#fx{pointer-events:none}
#grain{
  position:absolute;inset:0;pointer-events:none;mix-blend-mode:multiply;opacity:.34;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='180' height='180' filter='url(%23n)' opacity='.5'/></svg>");
}
#vignette{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 45%,rgba(0,0,0,0) 45%,rgba(58,47,42,.28) 100%);}
.hide{display:none !important}

/* ============ 卡通面板 ============ */
.panel{
  background:var(--cream);border:var(--line) solid var(--ink);border-radius:var(--r);
  box-shadow:0 5px 0 rgba(58,47,42,.85);padding:10px 14px;
}
.pill{border-radius:999px}

/* ============ HUD ============ */
#hud{position:absolute;inset:0;pointer-events:none;z-index:5}
#hud .hud-tl{position:absolute;left:14px;top:14px;display:flex;gap:10px;align-items:flex-start}
#rank-box{display:flex;align-items:baseline;gap:6px;background:var(--cream);border:var(--line) solid var(--ink);
  border-radius:16px;box-shadow:0 5px 0 rgba(58,47,42,.85);padding:6px 14px 8px}
#rank-num{font-size:34px;line-height:1;color:var(--rose);text-shadow:2px 2px 0 #fff}
#rank-suf{font-size:16px;color:var(--ink-2)}
#race-info{display:flex;flex-direction:column;gap:6px}
.chip{background:var(--cream);border:var(--line) solid var(--ink);border-radius:999px;box-shadow:0 4px 0 rgba(58,47,42,.8);
  padding:4px 12px;font-size:14px;letter-spacing:.5px}
#lap-chip b{color:var(--violet-deep)}
#time-chip{font-variant-numeric:tabular-nums}
#delta-chip{font-size:12px;background:#dff0d8;border-color:var(--olive-deep)}
#delta-chip.slow{background:#ffe0e6;border-color:var(--rose)}

#minimap-wrap{position:absolute;right:14px;top:14px}
#minimap{display:block;background:rgba(255,255,255,.55);border:var(--line) solid var(--ink);border-radius:16px;
  box-shadow:0 5px 0 rgba(58,47,42,.85)}

#hud .hud-bl{position:absolute;left:14px;bottom:14px;display:flex;flex-direction:column;gap:8px;width:min(290px,44vw)}
#nitro-wrap{background:var(--cream);border:var(--line) solid var(--ink);border-radius:999px;
  box-shadow:0 5px 0 rgba(58,47,42,.85);padding:7px 10px;display:flex;align-items:center;gap:8px}
#nitro-label{font-size:12px;color:var(--ink-2);white-space:nowrap}
#nitro-track{position:relative;flex:1;height:16px;border-radius:999px;background:#e3d5bb;border:2px solid var(--ink);overflow:hidden}
#nitro-fill{position:absolute;inset:0;width:0%;border-radius:999px;
  background:linear-gradient(90deg,#7fd0f0,#8e93d6 45%,#f6a9c0 75%,#f7cf6e);
  background-size:200% 100%;transition:width .12s linear}
#nitro-wrap.full #nitro-fill{animation:flow .7s linear infinite}
@keyframes flow{from{background-position:0 0}to{background-position:200% 0}}
#nitro-wrap.ready{border-color:var(--rose);box-shadow:0 5px 0 var(--rose),0 0 18px rgba(224,82,122,.45)}
#slot-row{display:flex;gap:8px;align-items:center}
.slot{width:52px;height:52px;background:var(--cream);border:var(--line) solid var(--ink);border-radius:14px;
  box-shadow:0 4px 0 rgba(58,47,42,.85);display:flex;align-items:center;justify-content:center;font-size:26px}
.slot.empty{opacity:.45}
.slot.pulse{animation:pop .45s ease-out}
@keyframes pop{0%{transform:scale(.6) rotate(-12deg)}60%{transform:scale(1.18) rotate(6deg)}100%{transform:scale(1)}}
#shield-chip{background:#dff0ff;border:var(--line) solid var(--violet-deep);border-radius:999px;box-shadow:0 4px 0 var(--violet-deep);
  padding:4px 12px;font-size:13px}

#hud .hud-br{position:absolute;right:14px;bottom:14px;display:flex;flex-direction:column;align-items:flex-end;gap:6px}
#speedo{display:block;border:var(--line) solid var(--ink);border-radius:18px;box-shadow:0 5px 0 rgba(58,47,42,.85);background:var(--cream)}
#drift-chip{background:var(--sun);border:var(--line) solid var(--ink);border-radius:999px;box-shadow:0 4px 0 rgba(58,47,42,.8);
  padding:3px 12px;font-size:13px;opacity:0;transition:opacity .15s}
#drift-chip.on{opacity:1}
#drift-chip.ready{background:linear-gradient(90deg,#f7cf6e,#f6a9c0,#7fd0f0);color:#231c18}

#hud .hud-tc{position:absolute;left:50%;transform:translateX(-50%);top:14px;display:flex;flex-direction:column;align-items:center;gap:6px}
#rank-list{display:flex;gap:6px;background:rgba(251,245,230,.9);border:2px solid var(--ink);border-radius:999px;padding:3px 8px;font-size:12px}

/* 小提示：贴屏幕上方，尽量不挡赛道视野 */
#toasts{position:absolute;left:50%;top:10%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:5px;z-index:6;pointer-events:none}
.toast{background:var(--cream);border:2px solid var(--ink);border-radius:999px;box-shadow:0 3px 0 rgba(58,47,42,.85);
  padding:3px 14px;font-size:14px;line-height:1.55;animation:toastIn .32s cubic-bezier(.2,1.5,.4,1), toastOut .32s ease-in .88s forwards}
.toast.big{font-size:19px;padding:5px 20px;background:linear-gradient(120deg,#f7cf6e,#f6a9c0)}
.toast.rainbow{background:linear-gradient(120deg,#7fd0f0,#8e93d6,#f6a9c0,#f7cf6e);color:#231c18;font-size:17px}
@keyframes toastIn{from{transform:scale(.55) rotate(-6deg);opacity:0}to{transform:scale(1) rotate(0);opacity:1}}
@keyframes toastOut{to{transform:translateY(-10px) scale(.94);opacity:0}}

/* ============ 倒计时（别糊住赛道，位置偏上） ============ */
#countdown{position:absolute;inset:0;display:flex;align-items:flex-start;justify-content:center;padding-top:16vh;z-index:7;pointer-events:none}
#countdown span{font-size:16vh;line-height:1;color:var(--cream);-webkit-text-stroke:6px var(--ink);
  text-shadow:0 9px 0 var(--rose);animation:cdIn .5s cubic-bezier(.2,1.6,.4,1)}
#countdown span.go{color:var(--sun);-webkit-text-stroke:6px var(--ink);text-shadow:0 9px 0 var(--brick)}
@keyframes cdIn{from{transform:scale(2.4) rotate(-10deg);opacity:0}60%{transform:scale(1) rotate(2deg);opacity:1}to{transform:scale(1)}}

/* ============ 屏幕 ============ */
.screen{position:absolute;inset:0;z-index:9;display:flex;align-items:center;justify-content:center;padding:18px;
  background:radial-gradient(120% 100% at 50% 0%,rgba(195,205,243,.55),rgba(245,234,214,.92))}
.card{width:min(880px,96vw);max-height:94vh;overflow:auto;background:var(--cream);border:4px solid var(--ink);
  border-radius:26px;box-shadow:0 10px 0 rgba(58,47,42,.9),0 26px 50px rgba(58,47,42,.28);padding:22px 26px 26px}
.title-wrap{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
h1{margin:0;font-size:clamp(28px,5.2vw,46px);line-height:1.05;letter-spacing:1px}
h1 em{font-style:normal;color:var(--rose);text-shadow:2px 3px 0 #fff}
.sub{margin:6px 0 0;color:var(--ink-2);font-size:14px;line-height:1.6}
.tagrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tag{background:var(--paper-2);border:2px solid var(--ink);border-radius:999px;padding:3px 12px;font-size:13px}
.tag.hot{background:var(--sun)}
.cols{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;margin-top:16px}
@media(max-width:720px){.cols{grid-template-columns:1fr}}
.box{background:var(--paper);border:3px solid var(--ink);border-radius:18px;padding:14px 16px}
.box h3{margin:0 0 8px;font-size:17px;display:flex;align-items:center;gap:6px}
.kv{display:flex;gap:8px;font-size:14px;line-height:1.85;color:var(--ink-2)}
.kv b{color:var(--ink);flex:none;min-width:64px}
kbd{display:inline-block;background:#fff;border:2px solid var(--ink);border-radius:7px;padding:1px 7px;margin:0 2px;
  font-size:13px;box-shadow:0 2px 0 var(--ink);font-family:inherit}
.cta{display:flex;gap:12px;align-items:center;margin-top:18px;flex-wrap:wrap}
button.big{font-family:inherit;font-size:22px;color:#231c18;background:linear-gradient(120deg,#f7cf6e,#f6a9c0);
  border:4px solid var(--ink);border-radius:999px;padding:13px 40px;cursor:pointer;box-shadow:0 7px 0 var(--ink);
  transition:transform .08s,box-shadow .08s}
button.big:hover{transform:translateY(-2px);box-shadow:0 9px 0 var(--ink)}
button.big:active{transform:translateY(4px);box-shadow:0 3px 0 var(--ink)}
button.ghost{font-family:inherit;font-size:15px;background:var(--cream);border:3px solid var(--ink);border-radius:999px;
  padding:9px 20px;cursor:pointer;box-shadow:0 5px 0 var(--ink)}
button.ghost:active{transform:translateY(3px);box-shadow:0 2px 0 var(--ink)}
.improve{list-style:none;margin:0;padding:0;font-size:13.5px;line-height:1.9;color:var(--ink-2)}
.improve li{display:flex;gap:8px}
.improve li::before{content:"▸";color:var(--rose);flex:none}
.improve b{color:var(--ink)}
#result-rank{font-size:clamp(40px,9vw,84px);line-height:1;color:var(--rose);-webkit-text-stroke:3px var(--ink);text-shadow:0 8px 0 #fff}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.stat{background:var(--paper);border:3px solid var(--ink);border-radius:16px;padding:10px;text-align:center}
.stat i{display:block;font-style:normal;font-size:12px;color:var(--ink-2)}
.stat b{font-size:24px;letter-spacing:.5px}
#loadhint{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);font-size:13px;color:var(--ink-2);z-index:8}
#fps{position:absolute;left:50%;bottom:4px;transform:translateX(-50%);font-size:11px;color:rgba(58,47,42,.45);z-index:8}

/* ============ 触屏（手指操控） ============ */
#touch{position:absolute;inset:0;z-index:6;pointer-events:none;touch-action:none;-webkit-user-select:none}
#touch .tb-stack{position:absolute;right:calc(12px + env(safe-area-inset-right));
  bottom:calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  pointer-events:none}
#touch .tb{pointer-events:auto;touch-action:none;width:86px;height:86px;border-radius:50%;
  background:rgba(251,245,230,.78);border:4px solid var(--ink);box-shadow:0 5px 0 rgba(58,47,42,.8);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--ink);
  transition:transform .06s,background .12s}
#touch .tb.lg{width:104px;height:104px;font-size:19px;background:rgba(246,169,192,.85)}
#touch .tb.sm{width:62px;height:62px;font-size:14px;background:rgba(223,216,187,.8)}
#touch .tb.hit{transform:translateY(4px);background:var(--sun)}
#joy{position:absolute;width:132px;height:132px;border-radius:50%;pointer-events:none;
  left:calc(18px + env(safe-area-inset-left));bottom:calc(20px + env(safe-area-inset-bottom));
  border:4px dashed rgba(58,47,42,.34);display:flex;align-items:center;justify-content:center;
  background:rgba(251,245,230,.16);opacity:.85}
#joy i{width:60px;height:60px;border-radius:50%;background:rgba(246,169,192,.92);
  border:4px solid var(--ink);display:block;transition:transform .05s}
#joy.act{border-style:solid;border-color:rgba(58,47,42,.5);background:rgba(251,245,230,.28);opacity:1}
#touch-hint{position:absolute;left:0;right:0;bottom:calc(6px + env(safe-area-inset-bottom));text-align:center;
  font-size:12px;color:#fff;opacity:0;transition:opacity .3s;pointer-events:none;
  text-shadow:0 2px 0 rgba(58,47,42,.9)}
#touch-hint.show{opacity:.95}
/* 手机 / 电脑文案切换 */
.only-touch{display:none}
body.touch .only-touch{display:inline}
body.touch .only-pc{display:none}

/* ============ 开始屏：按钮严格居中，指南缩小放下方 ============ */
#start{background:radial-gradient(130% 110% at 50% 18%,rgba(195,205,243,.5),rgba(245,234,214,.9))}
.s-title{position:absolute;left:0;right:0;top:max(10px,calc(50% - 190px));text-align:center;pointer-events:none}
.s-title svg{display:block;margin:0 auto 2px;filter:drop-shadow(0 4px 0 rgba(58,47,42,.18))}
.s-title h1{margin:0;font-size:clamp(24px,5vw,40px);letter-spacing:1px}
#btn-start{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;
  font-size:clamp(22px,4.4vw,30px);padding:16px 52px}
#btn-start:active{transform:translate(-50%,-50%) translateY(4px);box-shadow:0 3px 0 var(--ink)}
.guide{position:absolute;left:50%;top:min(calc(50% + 78px),calc(100% - 158px));transform:translateX(-50%);
  width:min(520px,92vw);background:rgba(251,245,230,.9);border:3px solid var(--ink);border-radius:16px;
  box-shadow:0 5px 0 rgba(58,47,42,.8);padding:10px 16px}
.g-row{display:flex;align-items:center;gap:10px;font-size:13px;line-height:2;color:var(--ink-2)}
.g-row+.g-row{border-top:1px dashed rgba(107,90,77,.25)}
.gk{flex:none;width:34px;text-align:center;font-size:12px;color:var(--cream);background:var(--ink-2);
  border-radius:999px;padding:1px 0}
.gv{flex:1}
.gv kbd{font-size:11.5px;padding:0 5px;margin:0 1px}
.gv b{font-weight:400;color:var(--rose);margin-left:6px}
.g-row.dim{color:#8d7f72}
.g-best{margin-top:6px;text-align:center;font-size:12px;color:var(--rose)}
@media (max-height:560px){
  .s-title svg{width:52px;height:44px}
  .s-title{top:4px}
  .s-title h1{font-size:19px}
  .guide{top:auto;bottom:6px;padding:5px 10px}
  .g-row{line-height:1.6;font-size:11.5px;gap:7px}
  .gk{width:28px;font-size:10.5px}
  .gv kbd{font-size:10px;padding:0 4px}
  .g-best{margin-top:3px;font-size:11px}
}

   注意：基础规则用的是 #hud .xxx / #touch .xxx（ID 选择器，优先级 110），
   所以覆盖时必须带上同样的 ID，否则会被基础规则压住。 */
body.touch #hud .hud-tl{transform:scale(.86);transform-origin:top left}
body.touch #hud .hud-tc{display:none}                    /* 名次条在手机上冗余，交给小地图 */
body.touch #hud .hud-bl{left:12px;top:92px;bottom:auto;width:min(300px,58vw);transform:none}
body.touch #hud .hud-br{right:14px;top:14px;bottom:auto;transform:none;align-items:flex-end}
body.touch #minimap-wrap{top:100px}                   /* 竖屏：速度表占顶部，小地图挪到下方 */
body.touch #minimap{width:112px;height:112px}
body.touch #speedo{width:112px;height:74px}
body.touch #nitro-wrap{padding:5px 9px}
body.touch #nitro-track{height:13px}
body.touch .slot{width:42px;height:42px;font-size:21px}
/* 横屏（矮屏）：按钮横排，避免顶到小地图 */
@media (orientation:landscape){
  body.touch #touch .tb-stack{flex-direction:row;align-items:flex-end;gap:12px}
  body.touch #touch .tb{width:70px;height:70px;font-size:15px}
  body.touch #touch .tb.lg{width:86px;height:86px;font-size:17px}
  body.touch #touch .tb.sm{width:52px;height:52px;font-size:13px}
  body.touch #joy{width:118px;height:118px}
  body.touch #hud .hud-bl{top:78px}
  body.touch #hud .hud-br{right:126px;top:14px}       /* 横屏：速度表挪到小地图左边并排 */
  body.touch #minimap-wrap{top:14px}
}
/* 竖屏手机提示横过来玩 */
#rotate-tip{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:8;display:none;
  background:var(--cream);border:4px solid var(--ink);border-radius:20px;box-shadow:0 8px 0 rgba(58,47,42,.85);
  padding:16px 22px;text-align:center;font-size:15px;line-height:1.7;pointer-events:none}
#rotate-tip .big{font-size:40px;display:block;margin-bottom:6px}
@media (orientation:portrait) and (pointer:coarse){ body.touch #rotate-tip{display:block} }