body{padding-bottom:calc(112px + env(safe-area-inset-bottom,0px))!important}
.cath-bottom-nav{position:fixed;z-index:1000;bottom:calc(16px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);display:flex;align-items:stretch;gap:5px;width:min(430px,calc(100% - 24px));padding:7px;border:1px solid rgba(255,255,255,.85);border-radius:30px;background:rgba(250,250,250,.94);box-shadow:0 8px 32px #17202b20,0 1px 4px #17202b10;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
@supports(backdrop-filter:blur(20px)){.cath-bottom-nav{background:rgba(250,250,250,.8);backdrop-filter:blur(24px) saturate(160%)}}
.cath-bottom-nav a{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;min-width:0;min-height:52px;border-radius:23px;color:#69717d;text-decoration:none;font-size:11px;font-weight:600;-webkit-tap-highlight-color:transparent}
.cath-bottom-nav a[aria-current]{color:#1769df;background:#e5edfa}
.cath-bottom-nav svg{width:23px;height:23px}
.cath-bottom-nav a:focus-visible{outline:2px solid #1769df;outline-offset:2px}
.cath-level-picker{flex:0 0 74px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1px;min-width:0;min-height:52px;margin:0;padding:0;border:0;border-radius:23px;background:#f0f3f7;color:#69717d;font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
.cath-level-label{font-size:11px;font-weight:650;line-height:1}
.cath-level-current{color:#315f9f;font-size:13px;font-weight:850;line-height:1.15}
.cath-level-picker:focus-visible{outline:2px solid #1769df;outline-offset:2px}
.cath-bottom-nav a:active,.cath-level-picker:active{transform:scale(.98)}
.cath-level-overlay{position:fixed;z-index:1090;inset:0;background:rgba(23,32,43,.28);opacity:0;animation:cath-level-fade-in .24s ease forwards}
.cath-level-sheet{position:fixed;z-index:1100;left:0;right:0;bottom:0;width:100%;box-sizing:border-box;min-height:clamp(250px,42dvh,430px);padding:12px max(20px,env(safe-area-inset-left,0px)) calc(24px + env(safe-area-inset-bottom,0px));border-radius:28px 28px 0 0;background:rgba(250,252,255,.98);box-shadow:0 -18px 60px rgba(23,32,43,.2);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;animation:cath-level-sheet-in .3s cubic-bezier(.2,.8,.2,1) forwards}
.cath-level-handle{width:42px;height:5px;margin:0 auto 18px;border-radius:99px;background:#c6ced8}
.cath-level-sheet-head{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:720px;margin:0 auto 18px}
.cath-level-sheet-head h2{margin:0;color:#29445d;font-size:22px;letter-spacing:-.03em}
.cath-level-close{min-height:40px;padding:0 13px;border:0;border-radius:12px;background:#e9eef4;color:#54738a;font:inherit;font-size:13px;font-weight:750;cursor:pointer}
.cath-level-close:focus-visible{outline:2px solid #1769df;outline-offset:2px}
.cath-level-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;width:100%;max-width:720px;margin:0 auto}
.cath-level-option{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;min-height:112px;padding:16px;border:2px solid #e0e8f0;border-radius:18px;background:#fff;color:#29445d;text-decoration:none;box-shadow:0 8px 20px rgba(53,101,140,.08);transition:transform .16s ease,border-color .16s ease,background .16s ease}
.cath-level-option:hover,.cath-level-option:focus-visible{border-color:#8eb5d6;background:#f7fbff;transform:translateY(-2px)}
.cath-level-option:focus-visible{outline:2px solid #1769df;outline-offset:2px}
.cath-level-option.is-current{border-color:#477dde;background:#edf4ff}
.cath-level-option-code{font-size:24px;font-weight:850;letter-spacing:-.03em}
.cath-level-option-state{color:#71879b;font-size:12px;font-weight:700}
.cath-level-option.is-current .cath-level-option-state{color:#477dde}
body.cath-level-sheet-open{overflow:hidden}
@keyframes cath-level-fade-in{to{opacity:1}}
@keyframes cath-level-sheet-in{from{transform:translateY(100%)}to{transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){.cath-level-overlay,.cath-level-sheet{animation:none}}
@media (max-width:390px){.cath-level-sheet{min-height:270px;padding-top:10px}.cath-level-options{gap:8px}.cath-level-option{min-height:96px;padding:12px}.cath-level-option-code{font-size:21px}.cath-level-option-state{font-size:11px}}