:root{
    --bg:#F2F2F7; --surface:rgba(255,255,255,0.78); --solid:#FFFFFF;
    --sep:rgba(60,60,67,0.12); --label:#1C1C1E; --label2:#3A3A3C;
    --sec:#8E8E93; --ter:#C7C7CC; --tint:#0A84FF;
    --red:#FF3B30; --orange:#FF9500; --yellow:#FFCC00; --green:#34C759;
    --mint:#00C7BE; --teal:#5AC8FA; --indigo:#5856D6; --purple:#AF52DE; --pink:#FF2D92;
    --grey:#8E8E93;
    --font:-apple-system,BlinkMacSystemFont,'SF Pro Display','SF Pro Text',system-ui,sans-serif;
    --mono:'SF Mono',ui-monospace,Menlo,monospace;
    --r:18px; --blur:blur(22px) saturate(180%);
  }
  *{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
  html{scroll-behavior:smooth}
  body{background:var(--bg);color:var(--label);font-family:var(--font);
    font-size:15px;line-height:1.5;min-height:100vh;
    background-image:radial-gradient(1200px 600px at 50% -10%,rgba(175,82,222,0.07),transparent),
                     radial-gradient(900px 500px at 10% 110%,rgba(10,132,255,0.06),transparent)}
  .wrap{max-width:1060px;margin:0 auto;padding:0 16px 90px}
  header.hero{padding:44px 0 10px;text-align:center}
  .hero .eyebrow{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--sec);font-weight:600}
  .hero h1{font-size:clamp(34px,7vw,56px);font-weight:800;letter-spacing:-0.03em;line-height:1.04;margin:8px 0 6px}
  .hero h1 .grad{background:linear-gradient(92deg,#0A84FF 0%,#5856D6 35%,#AF52DE 70%,#FF2D92 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent}
  .hero .sub{font-size:15px;color:var(--label2);max-width:640px;margin:0 auto}
  .hero .formula{font-family:var(--mono);font-size:11.5px;color:var(--sec);margin-top:10px;letter-spacing:.02em}
  /* Tab bar */
  nav.tabs{position:sticky;top:10px;z-index:60;display:flex;gap:4px;overflow-x:auto;
    background:var(--surface);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);
    border:1px solid var(--sep);border-radius:999px;padding:5px;margin:20px 0 26px;
    box-shadow:0 8px 28px rgba(0,0,0,0.07)}
  nav.tabs::-webkit-scrollbar{display:none}
  nav.tabs button{flex:0 0 auto;border:none;background:transparent;color:var(--label2);
    font:600 13px var(--font);padding:9px 15px;border-radius:999px;cursor:pointer;white-space:nowrap;transition:.18s}
  nav.tabs button.on{background:var(--label);color:#fff}
  section.tab{display:none;animation:fade .28s ease}
  section.tab.on{display:block}
  @keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
  /* Cards */
  .card{background:var(--surface);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);
    border:1px solid var(--sep);border-radius:var(--r);padding:20px;margin-bottom:16px;
    box-shadow:0 4px 20px rgba(0,0,0,0.05)}
  .card h2{font-size:20px;font-weight:800;letter-spacing:-0.02em;margin-bottom:4px}
  .card h3{font-size:15px;font-weight:700;margin:14px 0 6px}
  .card .cap{font-size:12px;color:var(--sec);margin-bottom:12px}
  .chip{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.05em;
    padding:3px 9px;border-radius:999px;text-transform:uppercase}
  .grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
  .grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
  .mini{background:var(--solid);border:1px solid var(--sep);border-radius:14px;padding:14px}
  .mini b{font-size:13.5px}
  .mini p{font-size:12.5px;color:var(--label2);margin-top:4px}
  .mini .tag{font-family:var(--mono);font-size:10px;color:var(--sec)}
  .kv{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px solid var(--sep);font-size:13px}
  .kv:last-child{border-bottom:none}
  .kv b{font-weight:600}
  .kv span{color:var(--sec);text-align:right}
  a{color:var(--tint);text-decoration:none}
  .note{font-size:12px;color:var(--sec);font-style:italic}
  /* Axis figure */
  .axisfig{display:block;margin:6px auto;max-width:560px;width:100%}
  /* Board */
  .boardhead{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:12px}
  .dicebox{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
  .die{width:46px;height:46px;border-radius:13px;background:var(--solid);border:1px solid var(--sep);
    display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 3px 10px rgba(0,0,0,0.07)}
  .die b{font-size:17px;line-height:1}
  .die span{font-size:8.5px;color:var(--sec);font-weight:700;letter-spacing:.05em}
  .die.rolling{animation:shake .5s ease}
  @keyframes shake{0%,100%{transform:rotate(0)}25%{transform:rotate(-9deg)}75%{transform:rotate(9deg)}}
  .btn{border:none;border-radius:999px;font:700 14px var(--font);padding:11px 20px;cursor:pointer;transition:.15s}
  .btn:active{transform:scale(.96)}
  .btn.pri{background:linear-gradient(92deg,#0A84FF,#5856D6);color:#fff;box-shadow:0 6px 18px rgba(10,132,255,.3)}
  .btn.ghost{background:var(--solid);border:1px solid var(--sep);color:var(--label)}
  .btn.sm{padding:7px 14px;font-size:12.5px}
  .board{display:grid;grid-template-columns:34px repeat(12,1fr);gap:3px;user-select:none}
  .rowlab{display:flex;align-items:center;justify-content:center;font:700 9px var(--mono);color:#fff;
    border-radius:8px;writing-mode:vertical-rl;transform:rotate(180deg);letter-spacing:.06em;padding:4px 0}
  .cell{aspect-ratio:1/1.06;border-radius:9px;border:1px solid rgba(0,0,0,0.06);cursor:pointer;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
    font-size:9.5px;position:relative;transition:.15s;overflow:hidden}
  .cell:hover{transform:scale(1.1);z-index:5;box-shadow:0 6px 16px rgba(0,0,0,0.18)}
  .cell .n{font:700 10px var(--mono)}
  .cell .g{font-size:11px;line-height:1}
  .cell.here{outline:2.5px solid var(--label);outline-offset:1px;z-index:4}
  .cell.snake::after,.cell.arrow::after,.cell.lift::after{content:"";position:absolute;top:3px;right:3px;
    width:7px;height:7px;border-radius:50%}
  .cell.snake::after{background:var(--red)}
  .cell.arrow::after{background:var(--green)}
  .cell.lift::after{background:var(--tint)}
  .agehead{display:grid;grid-template-columns:34px repeat(12,1fr);gap:3px;margin-bottom:4px}
  .agehead div{font:600 8.5px var(--font);color:var(--sec);text-align:center;line-height:1.15}
  .statusrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:14px 0}
  .stat{background:var(--solid);border:1px solid var(--sep);border-radius:14px;padding:12px 14px}
  .stat .lab{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--sec)}
  .stat .val{font-size:19px;font-weight:800;margin-top:2px}
  .drops{display:flex;gap:4px;margin-top:5px}
  .drop{width:13px;height:13px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);
    background:var(--ter);opacity:.4}
  .drop.on{background:var(--red);opacity:1}
  .spark{width:13px;height:13px;background:var(--ter);opacity:.4;
    clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
  .spark.on{background:var(--yellow);opacity:1}
  .gyro{height:10px;border-radius:999px;background:linear-gradient(90deg,var(--red),var(--yellow) 50%,var(--red));
    position:relative;margin-top:6px}
  .gyro .pin{position:absolute;top:-4px;width:4px;height:18px;border-radius:3px;background:var(--label);transition:.4s}
  .log{background:var(--solid);border:1px solid var(--sep);border-radius:14px;padding:12px 14px;
    max-height:190px;overflow-y:auto;font-size:12.5px}
  .log p{padding:4px 0;border-bottom:1px dashed var(--sep)}
  .log p:last-child{border:none}
  .log .t{font-family:var(--mono);font-size:10px;color:var(--sec);margin-right:6px}
  /* Modal */
  .overlay{position:fixed;inset:0;background:rgba(0,0,0,0.34);backdrop-filter:blur(6px);
    display:none;align-items:flex-end;justify-content:center;z-index:100;padding:0}
  .overlay.on{display:flex}
  .sheet{background:var(--bg);border-radius:22px 22px 0 0;max-width:640px;width:100%;
    max-height:88vh;overflow-y:auto;padding:14px 18px 34px;animation:up .3s cubic-bezier(.2,.9,.3,1)}
  @keyframes up{from{transform:translateY(60px);opacity:0}to{transform:none;opacity:1}}
  .grab{width:38px;height:5px;border-radius:3px;background:var(--ter);margin:0 auto 14px}
  .sheet h2{font-size:22px;font-weight:800;letter-spacing:-0.02em}
  .facet{background:var(--solid);border:1px solid var(--sep);border-radius:13px;padding:11px 13px;margin-top:9px}
  .facet .fh{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:800;
    letter-spacing:.07em;text-transform:uppercase;color:var(--sec)}
  .facet .fh .dot{width:8px;height:8px;border-radius:50%}
  .facet .fb{font-size:13.5px;margin-top:4px}
  .facet .fs{font-size:12px;color:var(--sec);margin-top:2px}
  /* Mandala */
  .mandwrap{display:flex;justify-content:center}
  .mandala{max-width:520px;width:100%}
  .mandala path{cursor:pointer;transition:.15s}
  .mandala path:hover{filter:brightness(1.12)}
  .hexinfo{margin-top:14px}
  .hexlines{display:flex;flex-direction:column-reverse;gap:4px;width:64px;margin:8px 0}
  .hl{height:6px;border-radius:3px;background:var(--label)}
  .hl.yin{background:linear-gradient(90deg,var(--label) 42%,transparent 42%,transparent 58%,var(--label) 58%)}
  .codon{font-family:var(--mono);font-size:20px;font-weight:700;letter-spacing:.2em}
  /* Prenatal */
  .flowrow{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}
  .flow{flex:1;min-width:150px;border-radius:14px;padding:14px;border:2px solid var(--sep);
    background:var(--solid);cursor:pointer;text-align:center;transition:.18s}
  .flow.picked{border-color:var(--purple);box-shadow:0 6px 18px rgba(175,82,222,.22)}
  .flow b{font-size:14.5px}
  .flow p{font-size:11.5px;color:var(--sec);margin-top:3px}
  .bpm{border-left:3px solid var(--sep);padding:2px 0 14px 16px;position:relative}
  .bpm:last-child{padding-bottom:0}
  .bpm::before{content:"";position:absolute;left:-7.5px;top:4px;width:12px;height:12px;border-radius:50%;
    background:var(--bg);border:3px solid var(--sec)}
  .bpm.done::before{border-color:var(--green);background:var(--green)}
  .bpm b{font-size:13.5px}
  .bpm .st{font-size:12.5px;color:var(--label2);margin-top:2px}
  .kit{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
  .kcard{border-radius:11px;padding:8px 12px;font-size:12px;font-weight:700;color:#fff}
  /* Bardo */
  .bardo{border-top:4px solid;border-radius:14px;background:var(--solid);border:1px solid var(--sep);padding:15px}
  .bardo h4{font-size:15px;font-weight:800}
  .bardo .days{font-family:var(--mono);font-size:26px;font-weight:800;letter-spacing:-0.02em}
  .bardo ol{margin:8px 0 0 18px;font-size:12.5px;color:var(--label2)}
  .bardo ol li{margin:3px 0}
  .bardo .mech{margin-top:9px;font-size:11.5px;color:var(--sec);border-top:1px dashed var(--sep);padding-top:7px}
  /* Decks */
  .deck{border-radius:14px;background:var(--solid);border:1px solid var(--sep);padding:14px;border-left:4px solid}
  .deck b{font-size:14px}
  .deck .cnt{font-family:var(--mono);font-size:10.5px;color:var(--sec)}
  .deck ul{margin:7px 0 0 16px;font-size:12px;color:var(--label2)}
  .deck ul li{margin:2.5px 0}
  /* Rules */
  .rule{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--sep)}
  .rule:last-child{border:none}
  .rule .ic{font-size:20px;flex:0 0 30px;text-align:center}
  .rule b{font-size:13.5px}
  .rule p{font-size:12.5px;color:var(--label2)}
  footer{text-align:center;color:var(--ter);font-size:11px;margin-top:34px;font-family:var(--mono)}
  @media(max-width:640px){
    .cell{font-size:8px;border-radius:6px}
    .cell .g{font-size:9px}
    .cell .n{font-size:8px}
    .agehead div{font-size:7px}
  }
  @media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
  @supports not (aspect-ratio:1/1){.cell{height:52px}}
  @supports not (backdrop-filter:blur(2px)){.card,nav.tabs{background:#FFFFFF}}
  .star{width:100%;max-width:680px;display:block;margin:0 auto}
  .scell{cursor:pointer}
  .scell:hover circle{filter:brightness(1.14)}
  .raylegend{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;justify-content:center}
  .raytag{font-size:10.5px;border:1.5px solid;border-radius:999px;padding:4px 10px;background:var(--solid)}
  .chanhead,.chanrow{display:grid;grid-template-columns:44px 44px 44px 1fr;gap:6px;align-items:center}
  .chanhead span{font-size:9.5px;font-weight:800;color:var(--sec);text-align:center;letter-spacing:.04em}
  .chanrow{padding:3px 0;border-bottom:1px dashed var(--sep)}
  .chdot{width:15px;height:15px;border-radius:50%;background:var(--ter);opacity:.35;justify-self:center}
  .chdot.on{background:#AF52DE;opacity:1}
  .chdot.cur{outline:2.5px solid #1C1C1E;outline-offset:1.5px}
  .chm{font-size:10.5px;color:var(--sec)}
  .rung{width:12px;height:12px;border-radius:3px;background:var(--ter);opacity:.35}
  .rung.on{background:#4A3060;opacity:1}