:root{
  --cream:#f7f1e3;
  --cream-dim:#d8d0bd;
  --ink:#0b1714;
  --glass:rgba(8,22,19,.58);
  --glass-strong:rgba(8,22,19,.82);
  --line:rgba(247,241,227,.16);
  --mint:#9fe0c4;
  --teal:#4fb3a5;
  --gold:#f3c969;
  --coral:#ff8f6b;
  --red:#e05b53;
  --green:#67c46a;
  --shadow:0 12px 34px rgba(0,0,0,.38);
}

*{box-sizing:border-box;}
html,body{
  height:100%;
  margin:0;
  overflow:hidden;
  background:#08110f;
  color:var(--cream);
  font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
}
button{font:inherit;color:inherit;}
button:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}

#app{
  position:relative;
  width:100%;
  height:100vh;
  height:100dvh;
  overflow:hidden;
  isolation:isolate;
}

#scene{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
  touch-action:none;
  cursor:grab;
}
#scene:active{cursor:grabbing;}

.vignette{
  position:absolute;
  inset:0;
  z-index:2;
  pointer-events:none;
  background:
    radial-gradient(120% 80% at 50% 44%, rgba(0,0,0,0) 46%, rgba(0,0,0,.26) 100%),
    linear-gradient(180deg, rgba(4,12,10,.34) 0%, rgba(4,12,10,0) 18%, rgba(4,12,10,0) 72%, rgba(4,12,10,.42) 100%);
}

/* ---------- top HUD ---------- */
#hud-top{
  position:absolute;
  top:0;left:0;right:0;
  z-index:20;
  display:flex;
  align-items:center;
  gap:12px;
  padding:calc(10px + env(safe-area-inset-top)) 16px 10px;
  pointer-events:none;
}
#hud-top > *{pointer-events:auto;}

.brand{
  display:flex;
  align-items:center;
  gap:9px;
  min-width:132px;
  text-shadow:0 2px 12px rgba(0,0,0,.5);
}
.brand-crab{
  font-size:28px;
  filter:drop-shadow(0 4px 10px rgba(0,0,0,.4));
  animation:crabBob 3.2s ease-in-out infinite;
}
.brand-logo{
  width:46px;
  height:46px;
  flex:0 0 auto;
  object-fit:contain;
  border-radius:50%;
  pointer-events:none;
  filter:drop-shadow(0 5px 12px rgba(0,0,0,.42)) drop-shadow(0 0 12px rgba(243,201,105,.10));
}

.brand b{display:block;font-size:19px;letter-spacing:.16em;line-height:1.05;}
.brand small{display:block;font-size:9px;letter-spacing:.2em;color:var(--cream-dim);margin-top:3px;}

#scene-nav{
  flex:1;
  display:flex;
  justify-content:center;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:2px;
}
#scene-nav::-webkit-scrollbar{display:none;}

.scene-tab{
  appearance:none;
  border:1px solid var(--line);
  background:rgba(8,22,19,.44);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-radius:14px;
  padding:7px 11px 6px;
  min-width:66px;
  display:flex;
  align-items:center;
  gap:6px;
  cursor:pointer;
  transition:transform .16s ease,background .16s ease,border-color .16s ease,opacity .16s ease;
  white-space:nowrap;
}
.scene-tab:hover{background:rgba(24,52,45,.68);transform:translateY(-1px);}
.scene-tab .ico{font-size:17px;line-height:1;}
.scene-tab .nm{font-size:12px;letter-spacing:.06em;}
.scene-tab .prog{
  font-size:9px;
  color:var(--cream-dim);
  padding:1px 5px;
  border-radius:99px;
  background:rgba(255,255,255,.08);
  font-variant-numeric:tabular-nums;
}
.scene-tab.active{
  background:linear-gradient(180deg,rgba(243,201,105,.24),rgba(75,146,128,.26));
  border-color:rgba(243,201,105,.65);
  box-shadow:0 0 0 1px rgba(243,201,105,.18),0 8px 22px rgba(0,0,0,.22);
}
.scene-tab.active .prog{color:var(--gold);background:rgba(0,0,0,.25);}
.scene-tab.locked{opacity:.48;filter:saturate(.4);}
.scene-tab.locked .prog{font-size:8px;}

.top-actions{display:flex;align-items:center;gap:6px;}
.hud-btn{
  appearance:none;
  border:1px solid var(--line);
  background:rgba(8,22,19,.48);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-radius:12px;
  min-height:38px;
  padding:6px 9px;
  display:flex;
  align-items:center;
  gap:5px;
  cursor:pointer;
  transition:background .16s ease,transform .16s ease;
}
.hud-btn:hover{background:rgba(28,60,52,.72);transform:translateY(-1px);}
.hud-btn span{font-size:16px;line-height:1;}
.hud-btn small{font-size:11px;color:var(--cream-dim);}
.hud-btn em{
  font-style:normal;
  font-size:9px;
  color:var(--gold);
  background:rgba(0,0,0,.26);
  border-radius:99px;
  padding:2px 5px;
  font-variant-numeric:tabular-nums;
}

/* ---------- scene title ---------- */
.scene-title{
  position:absolute;
  top:calc(68px + env(safe-area-inset-top));
  left:50%;
  transform:translateX(-50%);
  z-index:12;
  text-align:center;
  pointer-events:none;
  opacity:0;
  transition:opacity .5s ease;
  text-shadow:0 2px 18px rgba(0,0,0,.7);
}
.scene-title.show{opacity:1;}
.scene-title b{display:block;font-size:18px;letter-spacing:.2em;font-weight:600;}
.scene-title span{display:block;font-size:10px;letter-spacing:.22em;color:var(--cream-dim);margin-top:4px;}

/* ---------- hint ---------- */
.hint{
  position:absolute;
  left:50%;
  bottom:calc(98px + env(safe-area-inset-bottom));
  transform:translateX(-50%);
  z-index:14;
  max-width:min(680px,92vw);
  padding:7px 14px;
  border-radius:99px;
  background:rgba(6,18,15,.55);
  border:1px solid rgba(247,241,227,.12);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--cream);
  text-align:center;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.hint.flash{animation:hintFlash .6s ease;}

/* ---------- bottom HUD ---------- */
#hud-bottom{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:20;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,rgba(4,12,10,0),rgba(4,12,10,.58) 48%,rgba(4,12,10,.82));
  display:flex;
  flex-direction:column;
  gap:8px;
  pointer-events:none;
}
#hud-bottom > *{pointer-events:auto;}

.tools{
  display:flex;
  justify-content:center;
  gap:6px;
  flex-wrap:wrap;
}
.tool{
  appearance:none;
  border:1px solid rgba(247,241,227,.1);
  background:rgba(8,22,19,.42);
  border-radius:12px;
  min-width:54px;
  padding:5px 7px 4px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:2px;
  cursor:pointer;
  transition:transform .16s ease,background .16s ease,opacity .16s ease;
}
.tool:hover{transform:translateY(-2px);background:rgba(26,58,50,.7);}
.tool span{font-size:17px;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3));}
.tool small{font-size:9px;color:var(--cream-dim);letter-spacing:.02em;}
.tool.on{border-color:rgba(159,224,196,.3);}
.tool.off{opacity:.38;filter:grayscale(.7);}
.tool.off span{position:relative;}
.tool.off span::after{
  content:"🔒";
  position:absolute;
  right:-5px;bottom:-4px;
  font-size:8px;
  filter:none;
}

.bottom-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:11px;
  color:var(--cream-dim);
  letter-spacing:.04em;
}
.progress b{color:var(--cream);font-weight:600;}
.progress .arrow{color:var(--gold);margin:0 4px;}
.env{display:flex;align-items:center;gap:8px;text-align:right;}
.env .pill{
  display:inline-flex;align-items:center;gap:3px;
  background:rgba(255,255,255,.06);
  border-radius:99px;padding:2px 7px;
}
.env .rain{color:#9fc9ff;}

/* ---------- charge meter ---------- */
.charge-ui{
  position:absolute;
  left:50%;
  bottom:calc(154px + env(safe-area-inset-bottom));
  transform:translate(-50%,18px);
  z-index:30;
  width:min(560px,90vw);
  padding:10px 14px 9px;
  border-radius:16px;
  background:rgba(5,16,13,.72);
  border:1px solid rgba(247,241,227,.16);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  opacity:0;
  pointer-events:none;
  transition:opacity .16s ease,transform .16s ease;
}
.charge-ui.show{opacity:1;transform:translate(-50%,0);}
.charge-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px;}
.charge-top span:first-child{font-size:12px;letter-spacing:.12em;}
.charge-top span:last-child{font-size:10px;color:var(--gold);letter-spacing:.06em;}
.charge-bar{
  position:relative;
  height:15px;
  border-radius:99px;
  overflow:hidden;
  background:rgba(255,255,255,.09);
  box-shadow:inset 0 1px 3px rgba(0,0,0,.5);
}
.charge-bar .zone{position:absolute;top:0;bottom:0;}
.zone.early{left:0;width:70%;background:linear-gradient(180deg,rgba(224,91,83,.34),rgba(224,91,83,.22));}
.zone.good{left:70%;width:15%;background:linear-gradient(180deg,rgba(240,173,78,.5),rgba(240,173,78,.3));}
.zone.perfect{left:85%;width:10%;background:linear-gradient(180deg,rgba(103,196,106,.8),rgba(103,196,106,.55));box-shadow:0 0 14px rgba(103,196,106,.5);}
.zone.late{left:95%;width:5%;background:linear-gradient(180deg,rgba(224,91,83,.55),rgba(224,91,83,.35));}
.charge-fill{
  position:absolute;inset:0 auto 0 0;
  width:0%;
  background:linear-gradient(180deg,rgba(255,255,255,.32),rgba(255,255,255,.08));
  border-right:1px solid rgba(255,255,255,.7);
  pointer-events:none;
}
.charge-marker{
  position:absolute;
  top:-3px;bottom:-3px;
  left:0%;
  width:2px;
  background:#fff;
  box-shadow:0 0 10px rgba(255,255,255,.9);
  transform:translateX(-1px);
}
.charge-scale{
  display:flex;
  justify-content:space-between;
  margin-top:5px;
  font-size:8px;
  color:var(--cream-dim);
  font-variant-numeric:tabular-nums;
}
.charge-ui.danger{animation:meterShake .18s linear infinite;}
.charge-ui.danger .charge-top span:last-child{color:var(--red);}

/* ---------- toasts ---------- */
.toasts{
  position:absolute;
  top:calc(112px + env(safe-area-inset-top));
  left:50%;
  transform:translateX(-50%);
  z-index:40;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  pointer-events:none;
  width:min(420px,92vw);
}
.toast{
  padding:7px 13px;
  border-radius:99px;
  background:rgba(6,18,15,.82);
  border:1px solid rgba(247,241,227,.14);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  font-size:12px;
  letter-spacing:.03em;
  color:var(--cream);
  box-shadow:0 8px 22px rgba(0,0,0,.28);
  animation:toastIn .24s cubic-bezier(.2,.8,.3,1.1);
  max-width:100%;
  text-align:center;
}
.toast.good{border-color:rgba(103,196,106,.5);color:#d9ffd9;}
.toast.bad{border-color:rgba(224,91,83,.5);color:#ffd9d6;}
.toast.special{border-color:rgba(243,201,105,.65);color:#fff1c9;background:rgba(36,28,8,.85);}
.toast.out{animation:toastOut .22s ease forwards;}

/* ---------- modal ---------- */
.modal{
  position:absolute;
  inset:0;
  z-index:60;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(3,10,8,.66);
  backdrop-filter:blur(9px);
  -webkit-backdrop-filter:blur(9px);
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease;
}
.modal.open{opacity:1;pointer-events:auto;}
.modal.hidden{display:none;}
.modal-card{
  width:min(960px,100%);
  max-height:min(82vh,760px);
  display:flex;
  flex-direction:column;
  border-radius:22px;
  background:linear-gradient(180deg,rgba(17,38,32,.97),rgba(9,22,18,.98));
  border:1px solid rgba(247,241,227,.16);
  box-shadow:0 30px 90px rgba(0,0,0,.55);
  transform:translateY(10px) scale(.985);
  transition:transform .24s cubic-bezier(.2,.8,.3,1);
  overflow:hidden;
}
.modal.open .modal-card{transform:translateY(0) scale(1);}
.modal-head{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 18px;
  border-bottom:1px solid rgba(247,241,227,.1);
  flex:0 0 auto;
}
.modal-head h2{margin:0;font-size:17px;letter-spacing:.1em;font-weight:600;}
.modal-head #modal-extra{color:var(--gold);font-size:11px;letter-spacing:.08em;}
.modal-head .icon-btn{margin-left:auto;}
.modal-body{
  padding:16px 18px 22px;
  overflow-y:auto;
  overscroll-behavior:contain;
  scrollbar-width:thin;
}
.modal-body::-webkit-scrollbar{width:6px;}
.modal-body::-webkit-scrollbar-thumb{background:rgba(247,241,227,.2);border-radius:99px;}

.icon-btn{
  appearance:none;
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  border-radius:10px;
  width:32px;height:32px;
  display:grid;place-items:center;
  cursor:pointer;
  transition:background .16s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.14);}

.primary-btn{
  appearance:none;
  border:1px solid rgba(243,201,105,.65);
  background:linear-gradient(180deg,#f6d47f,#dca94d);
  color:#2c210d;
  border-radius:12px;
  padding:11px 24px;
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  cursor:pointer;
  box-shadow:0 10px 26px rgba(0,0,0,.3),inset 0 1px 0 rgba(255,255,255,.45);
  transition:transform .16s ease,filter .16s ease;
}
.primary-btn:hover{transform:translateY(-1px);filter:brightness(1.04);}
.primary-btn:active{transform:translateY(1px);}
.primary-btn.big{padding:14px 42px;font-size:16px;border-radius:14px;}
.text-btn{
  appearance:none;
  border:0;background:transparent;
  color:var(--cream-dim);
  font-size:12px;
  padding:8px 12px;
  cursor:pointer;
  letter-spacing:.06em;
  text-decoration:underline;
  text-underline-offset:4px;
}
.text-btn:hover{color:var(--cream);}
.hidden{display:none !important;}

/* ---------- catalog ---------- */
.filters{
  display:flex;
  gap:6px;
  flex-wrap:wrap;
  margin-bottom:14px;
}
.chip{
  appearance:none;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--cream-dim);
  border-radius:99px;
  padding:5px 12px;
  font-size:11px;
  cursor:pointer;
  transition:all .16s ease;
}
.chip:hover{background:rgba(255,255,255,.1);color:var(--cream);}
.chip.active{background:rgba(243,201,105,.18);border-color:rgba(243,201,105,.6);color:var(--gold);}
.catalog-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(118px,1fr));
  gap:9px;
}
.crab-card{
  appearance:none;
  position:relative;
  border:1px solid rgba(247,241,227,.1);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border-radius:14px;
  padding:6px 6px 8px;
  cursor:pointer;
  text-align:center;
  transition:transform .16s ease,border-color .16s ease,background .16s ease;
  overflow:hidden;
}
.crab-card:hover{transform:translateY(-2px);border-color:rgba(243,201,105,.45);background:rgba(255,255,255,.075);}
.crab-card canvas{display:block;width:100%;height:82px;}
.crab-card .cname{display:block;font-size:11px;letter-spacing:.04em;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.crab-card .crar{display:block;font-size:8px;color:var(--cream-dim);margin-top:2px;letter-spacing:.08em;}
.crab-card.locked{filter:saturate(0);}
.crab-card.locked .cname{color:rgba(247,241,227,.38);}
.crab-card.rarity-rare{border-color:rgba(111,181,255,.32);}
.crab-card.rarity-legendary{border-color:rgba(243,201,105,.45);box-shadow:inset 0 0 24px rgba(243,201,105,.06);}
.crab-card.rarity-hidden{border-color:rgba(213,145,255,.4);box-shadow:inset 0 0 24px rgba(213,145,255,.08);}
.crab-card.rarity-special{border-color:rgba(120,210,255,.45);}
.crab-card .new-dot{
  position:absolute;top:7px;right:7px;width:6px;height:6px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 8px var(--gold);
}
.crab-detail{
  margin-top:16px;
  padding:14px 16px;
  border-radius:14px;
  background:rgba(0,0,0,.24);
  border:1px solid rgba(247,241,227,.09);
  min-height:82px;
  font-size:12px;
  line-height:1.7;
  color:var(--cream-dim);
}
.crab-detail b{color:var(--cream);font-size:14px;letter-spacing:.06em;margin-right:8px;}
.crab-detail .tag{
  display:inline-block;
  font-size:9px;
  padding:1px 7px;
  border-radius:99px;
  border:1px solid var(--line);
  margin-left:4px;
  color:var(--cream-dim);
}
.crab-detail .tip{color:var(--gold);}

/* ---------- achievements ---------- */
.achv-list{display:flex;flex-direction:column;gap:8px;}
.achv{
  display:flex;align-items:center;gap:12px;
  padding:11px 13px;
  border-radius:13px;
  border:1px solid rgba(247,241,227,.09);
  background:rgba(255,255,255,.035);
}
.achv .aicon{font-size:22px;width:32px;text-align:center;filter:grayscale(1);opacity:.45;}
.achv.on .aicon{filter:none;opacity:1;}
.achv .amain{flex:1;min-width:0;}
.achv b{font-size:12px;letter-spacing:.05em;}
.achv p{margin:2px 0 5px;font-size:10px;color:var(--cream-dim);}
.achv .bar{height:4px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden;}
.achv .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--teal),var(--gold));border-radius:99px;transition:width .3s ease;}
.achv .astate{font-size:10px;color:var(--cream-dim);font-variant-numeric:tabular-nums;white-space:nowrap;}
.achv.on .astate{color:var(--gold);}

/* ---------- unlock banner ---------- */
.unlock{
  position:absolute;inset:0;z-index:70;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  background:rgba(3,10,8,.52);
  backdrop-filter:blur(5px);
  -webkit-backdrop-filter:blur(5px);
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
}
.unlock.open{opacity:1;pointer-events:auto;}
.unlock.hidden{display:none;}
.unlock-card{
  position:relative;
  width:min(360px,100%);
  padding:28px 26px 22px;
  border-radius:24px;
  text-align:center;
  background:linear-gradient(180deg,rgba(24,48,40,.98),rgba(9,22,18,.99));
  border:1px solid rgba(243,201,105,.28);
  box-shadow:0 30px 90px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.08);
  transform:scale(.92) translateY(10px);
  transition:transform .28s cubic-bezier(.2,.9,.3,1.15);
  overflow:hidden;
}
.unlock.open .unlock-card{transform:scale(1) translateY(0);}
.unlock-glow{
  position:absolute;left:50%;top:-70px;width:260px;height:200px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(243,201,105,.35),rgba(243,201,105,0));
  pointer-events:none;
}
.unlock-icon{font-size:46px;line-height:1;margin-bottom:6px;filter:drop-shadow(0 8px 18px rgba(0,0,0,.4));}
.unlock-kicker{font-size:9px;letter-spacing:.32em;color:var(--gold);margin-bottom:5px;}
.unlock-card h3{margin:0 0 7px;font-size:22px;letter-spacing:.12em;}
.unlock-card p{margin:0 0 18px;font-size:11px;line-height:1.7;color:var(--cream-dim);}
.unlock-card .primary-btn{width:100%;margin-bottom:4px;}
.unlock-card .text-btn{font-size:11px;}

/* ---------- start screen ---------- */
.start{
  position:absolute;inset:0;z-index:80;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  overflow:hidden;
  transition:opacity .55s ease,visibility .55s ease;
}
.start.hide{opacity:0;visibility:hidden;pointer-events:none;}
.start-shade{
  position:absolute;inset:0;
  background:
    radial-gradient(90% 70% at 50% 32%,rgba(6,20,16,.16),rgba(4,12,10,.86) 78%),
    linear-gradient(180deg,rgba(4,12,10,.5),rgba(4,12,10,.9));
  backdrop-filter:blur(2px);
  -webkit-backdrop-filter:blur(2px);
}
.start-content{
  position:relative;
  z-index:1;
  width:min(560px,100%);
  text-align:center;
  animation:startIn .8s cubic-bezier(.2,.8,.3,1);
}
.start-kicker{
  font-size:9px;
  letter-spacing:.28em;
  color:var(--gold);
  margin-bottom:2px;
}
.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}
#start-logo{
  display:block;
  pointer-events:none;
  width:min(360px,72vw);
  height:auto;
  margin:2px auto 8px;
  filter:drop-shadow(0 18px 36px rgba(0,0,0,.45));
  animation:logoFloat 6s ease-in-out infinite;
}
.start h1{
  margin:0;
  font-size:clamp(48px,10vw,76px);
  letter-spacing:.24em;
  text-indent:.24em;
  font-weight:700;
  background:linear-gradient(180deg,#fff7dc,#f3c969 58%,#c98f3d);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  filter:drop-shadow(0 10px 26px rgba(0,0,0,.4));
}
.start .start-title{
  margin:2px 0 4px;
  font-size:20px;
  letter-spacing:.14em;
  text-indent:.14em;
  background:none;
  -webkit-background-clip:initial;
  background-clip:initial;
  color:var(--gold);
  filter:none;
}
.start-sub{
  margin:12px 0 22px;
  font-size:13px;
  letter-spacing:.12em;
  color:var(--cream-dim);
}
.start-steps{
  display:flex;
  justify-content:center;
  gap:10px;
  margin:0 auto 22px;
  max-width:420px;
}
.start-steps > div{
  flex:1;
  display:flex;
  align-items:center;
  gap:7px;
  padding:9px 10px;
  border-radius:12px;
  border:1px solid rgba(247,241,227,.1);
  background:rgba(255,255,255,.04);
  text-align:left;
}
.start-steps b{
  font-size:16px;
  color:var(--gold);
  font-weight:600;
}
.start-steps span{font-size:10px;line-height:1.45;color:var(--cream-dim);letter-spacing:.02em;}
.start-foot{
  margin:16px 0 0;
  font-size:9px;
  letter-spacing:.12em;
  color:rgba(216,208,189,.64);
  text-align:center;
}
.start-links{
  margin:10px 0 0;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:10px;
  letter-spacing:.04em;
  color:rgba(216,208,189,.7);
}
.start-links a{color:var(--mint);text-decoration:none;border-bottom:1px solid rgba(159,224,196,.35);}
.start-links a:hover{color:#fff;border-color:#fff;}
.start-links span{opacity:.45;}
.noscript-seo{
  max-width:760px;
  margin:0 auto;
  padding:48px 22px;
  color:var(--cream);
  font:16px/1.8 "PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
.noscript-seo h1{font-size:28px;line-height:1.3;margin:0 0 18px;}
.noscript-seo p{margin:0 0 14px;color:var(--cream-dim);}
.noscript-seo a{color:var(--mint);}
#btn-restart{margin-top:4px;}

/* ---------- animations ---------- */
@keyframes crabBob{0%,100%{transform:translateY(0) rotate(-2deg);}50%{transform:translateY(-4px) rotate(2deg);}}
@keyframes logoFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}
@keyframes toastIn{from{opacity:0;transform:translateY(-8px) scale(.96);}to{opacity:1;transform:translateY(0) scale(1);}}
@keyframes toastOut{to{opacity:0;transform:translateY(-6px) scale(.98);}}
@keyframes hintFlash{0%,100%{background:rgba(6,18,15,.55);}40%{background:rgba(243,201,105,.22);border-color:rgba(243,201,105,.5);}}
@keyframes meterShake{0%,100%{transform:translate(-50%,0);}50%{transform:translate(calc(-50% + 2px),0);}}
@keyframes startIn{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}

/* ---------- responsive ---------- */
@media (max-width: 900px){
  #hud-top{flex-wrap:wrap;gap:8px;padding-left:12px;padding-right:12px;}
  .brand{min-width:0;}
  .brand small{display:none;}
  #scene-nav{order:3;flex-basis:100%;justify-content:flex-start;}
  .top-actions{margin-left:auto;}
  .hud-btn .label{display:none;}
  .hud-btn em{font-size:8px;}
}
@media (max-width: 560px){
  .brand b{font-size:16px;letter-spacing:.12em;}
  .brand-crab{font-size:24px;}
  .brand-logo{width:42px;height:42px;}
  .scene-tab{min-width:60px;padding:6px 8px 5px;gap:4px;border-radius:11px;}
  .scene-tab .nm{font-size:11px;}
  .scene-tab .prog{font-size:8px;}
  #hud-top{padding-top:calc(8px + env(safe-area-inset-top));}
  .scene-title{top:calc(104px + env(safe-area-inset-top));}
  .toasts{top:calc(142px + env(safe-area-inset-top));}
  .hint{bottom:calc(104px + env(safe-area-inset-bottom));font-size:11px;max-width:94vw;}
  .charge-ui{bottom:calc(158px + env(safe-area-inset-bottom));}
  .tool{min-width:46px;padding:4px 5px 3px;}
  .tool span{font-size:15px;}
  .tool small{font-size:8px;}
  .bottom-meta{font-size:10px;}
  .start-steps{gap:6px;}
  .start-steps > div{padding:7px 8px;gap:5px;}
  .start-steps span{font-size:9px;}
  .catalog-grid{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));}
  .crab-card canvas{height:68px;}
  .modal{padding:12px;}
  .modal-card{max-height:88vh;border-radius:18px;}
  .modal-head{padding:13px 14px;}
  .modal-body{padding:13px 14px 18px;}
}
@media (max-width: 380px){
  .scene-tab .nm{display:none;}
  .scene-tab{min-width:48px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

/* ---------- 补充：菜单 / 帮助 / 特别观察 / 重置 ---------- */
.menu-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
}
.menu-btn{
  appearance:none;
  border:1px solid rgba(247,241,227,.1);
  background:rgba(255,255,255,.04);
  border-radius:14px;
  padding:14px 10px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:2px;
  cursor:pointer;
  text-align:left;
  transition:transform .16s ease,background .16s ease,border-color .16s ease;
}
.menu-btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.08);border-color:rgba(243,201,105,.35);}
.menu-btn span{font-size:22px;line-height:1.2;}
.menu-btn b{font-size:12px;letter-spacing:.04em;}
.menu-btn small{font-size:9px;color:var(--cream-dim);}
.about{
  margin:18px 0 0;
  font-size:10px;
  line-height:1.8;
  color:rgba(216,208,189,.6);
  text-align:center;
  letter-spacing:.04em;
}
.help-block{
  padding:13px 15px;
  border-radius:14px;
  background:rgba(0,0,0,.2);
  border:1px solid rgba(247,241,227,.08);
  margin-bottom:10px;
}
.help-block h3{margin:0 0 8px;font-size:13px;letter-spacing:.08em;color:var(--gold);}
.help-block p{margin:6px 0;font-size:11px;line-height:1.75;color:var(--cream-dim);}
.help-block ol{margin:0;padding-left:18px;}
.help-block li{font-size:11px;line-height:1.9;color:var(--cream-dim);}
.help-block li b{color:var(--cream);}
.special-card{text-align:center;max-width:420px;margin:0 auto;}
.special-card canvas{width:min(300px,80vw);height:auto;display:block;margin:0 auto 4px;}
.special-card h3{margin:0 0 8px;font-size:20px;letter-spacing:.12em;}
.special-card p{margin:6px 0;font-size:11px;line-height:1.8;color:var(--cream-dim);}
.special-card .tip{color:var(--gold);}
.reset-box{padding:8px 4px;text-align:center;}
.reset-box p{font-size:12px;line-height:1.8;color:var(--cream-dim);margin:0 0 18px;}
.reset-actions{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;}

/* 捕蟹夹扩大完美区间时的表盘 */
.charge-ui.has-clip .zone.good{width:12%;}
.charge-ui.has-clip .zone.perfect{left:82%;width:13%;}

@media (max-width: 560px){
  .menu-grid{grid-template-columns:repeat(2,1fr);}
}

/* ---------- 开始页隐藏 HUD ---------- */
body:not(.playing) #hud-top,
body:not(.playing) #hud-bottom,
body:not(.playing) .hint,
body:not(.playing) .scene-title{
  opacity:0 !important;
  pointer-events:none !important;
}

/* ---------- 滚动条 & 悬浮蓄力条 ---------- */
.modal-body{
  scrollbar-width:thin;
  scrollbar-color:rgba(247,241,227,.24) rgba(255,255,255,.02);
}
.modal-body::-webkit-scrollbar-track{background:rgba(255,255,255,.02);border-radius:99px;}
.modal-body::-webkit-scrollbar-thumb{background:rgba(247,241,227,.24);border-radius:99px;}
.charge-ui{width:min(400px,88vw);}

@media (max-width: 560px){
  .scene-tab{min-width:52px;padding:6px 7px 5px;}
  .scene-tab .prog{display:none;}
  .tools{gap:4px;}
  .tool{min-width:42px;padding:4px 4px 3px;}
}

/* ---------- 手机横屏紧凑布局 ---------- */
@media (max-height: 560px) and (orientation: landscape){
  #start{padding:10px 18px;}
  #start-logo{width:150px;margin-bottom:-12px;}
  .start h1{font-size:44px;}
  .start-kicker{font-size:8px;margin-bottom:0;}
  .start-sub{margin:5px 0 10px;font-size:11px;}
  .start-steps{margin-bottom:11px;max-width:380px;}
  .start-steps > div{padding:6px 8px;}
  .start-steps span{font-size:9px;}
  .start-foot{display:none;}
  .primary-btn.big{padding:10px 34px;font-size:14px;}
  #hud-top{padding-top:calc(5px + env(safe-area-inset-top));}
  .brand-crab{font-size:22px;}
  .brand b{font-size:15px;}
  .scene-title{display:none;}
  .toasts{top:calc(180px + env(safe-area-inset-top));}
  .hint{bottom:calc(74px + env(safe-area-inset-bottom));}
  .tool small{display:none;}
  .tool{min-width:38px;padding:5px 6px 4px;}
  #hud-bottom{padding-top:4px;gap:4px;}
}


/* ---------- 低高度屏幕：给开始页留出空间 ---------- */
@media (max-height: 700px) and (min-width: 600px){
  #start-logo{width:min(260px,52vw);}
  .start-sub{margin:6px 0 12px;}
  .start-steps{margin-bottom:12px;}
  .start-foot{margin-top:10px;}
}