:root{--ink:#0c0f0e;--paper:#f2f0e9;--muted:#a8aca7;--line:rgba(242,240,233,.14);--accent:#a7f342;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 90% 16%,#a7f3420c,transparent 40%),linear-gradient(#ffffff05 1px,transparent 1px),linear-gradient(90deg,#ffffff05 1px,transparent 1px),var(--ink);background-size:auto,64px 64px,64px 64px,auto;color:var(--paper);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;color:var(--paper);background:#171c18;border:1px solid var(--line);border-radius:4px;padding:12px 16px}button:hover{border-color:var(--accent)}button:disabled{cursor:wait;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.shell{max-width:1240px;margin:auto;padding:0 48px}header{height:96px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:14px;align-items:center;font-size:15px}.mark{width:40px;height:40px;border:1px solid var(--accent);border-radius:50%;display:grid;place-items:center;color:var(--accent);font-weight:bold}.back{font-size:13px;color:var(--muted)}main{padding:64px 0 40px}.intro{display:grid;grid-template-columns:1fr 340px;gap:64px;align-items:center;margin-bottom:66px}.eyebrow{font-size:11px;font-weight:bold;letter-spacing:.14em;margin:0 0 28px;color:var(--muted)}.eyebrow span{color:var(--accent);margin-right:14px}h1{font-size:clamp(44px,5.6vw,72px);line-height:1.02;letter-spacing:-.055em;margin:0}h1 em{color:var(--accent);font-style:normal}.lead{color:var(--muted);font-size:17px;line-height:1.6;margin:24px 0 0}.date-panel{padding:28px;border:1px solid var(--line);background:#101511cc;border-radius:6px}.date-panel label,.fields label{font-size:12px;color:var(--muted);display:block}input,select{width:100%;min-width:0;border:1px solid var(--line);background:#0c100d;color:var(--paper);border-radius:4px;padding:15px 14px;min-height:52px}input:focus,select:focus{border-color:var(--accent)}#date{margin-top:12px;font-size:18px}.text-button{border:0;background:none;color:var(--accent);padding:12px 0;font-size:12px}#status{font-size:12px;line-height:1.6;margin:4px 0 0;color:var(--muted)}#status.error{color:#ffb5a7}#retry{margin-top:14px;font-size:12px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.section-head>div{display:flex;gap:16px;align-items:center}.number{font-size:12px;color:var(--accent)}h2{font-size:22px;letter-spacing:-.025em;margin:0}#manage{font-size:12px;background:transparent}#manage span{color:var(--accent);margin-left:14px}.rates{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.card{background:#101511e8;border:1px solid var(--line);border-radius:5px;padding:22px;min-height:156px}.card-top{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.card-code{color:var(--accent);font-size:14px;font-weight:bold}.card-value{font-size:29px;letter-spacing:-.04em;margin:22px 0 8px;font-variant-numeric:tabular-nums}.card-name{color:var(--muted);font-size:12px;line-height:1.4}.note{font-size:12px;line-height:1.6;color:var(--muted);margin:14px 0 0}#picker{border:1px solid var(--line);padding:22px;margin-bottom:20px;background:#111612;border-radius:4px}.search-label{font-size:12px;color:var(--muted)}#search{margin:10px 0 16px}#choices{display:grid;grid-template-columns:repeat(3,1fr);max-height:280px;overflow:auto;gap:6px}.choice{display:flex;align-items:center;gap:10px;font-size:12px;padding:9px;cursor:pointer}.choice input{width:16px;height:16px;min-height:0;accent-color:var(--accent)}.converter{border-top:1px solid var(--line);margin-top:42px;padding-top:32px}.tag{font-size:10px;letter-spacing:.1em;color:var(--muted)}.fields{display:grid;grid-template-columns:1.1fr 1fr 48px 1fr;gap:16px;align-items:end}.fields input,.fields select{margin-top:10px}#swap{height:52px;padding:0;font-size:24px;color:var(--accent)}.result-panel{display:flex;justify-content:space-between;align-items:center;margin-top:24px;padding:28px 32px;border:1px solid #a7f34240;border-radius:5px;background:linear-gradient(110deg,#a7f34215,#a7f34203)}.result-label{font-size:12px;color:var(--muted);margin:0 0 10px}#result{font-size:clamp(32px,4vw,48px);font-weight:bold;color:var(--accent);letter-spacing:-.04em;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}#equation{margin:12px 0 0;font-size:13px;color:var(--muted);line-height:1.6}.result-arrow{font-size:50px;color:var(--accent);padding-left:16px}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:24px 0 32px;font-size:11px;color:var(--muted)}@media(max-width:800px){.shell{padding:0 24px}.intro{gap:24px;grid-template-columns:1fr 280px}.rates{grid-template-columns:repeat(2,minmax(0,1fr))}.fields{grid-template-columns:1fr 48px 1fr}.fields label:first-child{grid-column:1/-1}#choices{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){header{height:80px}.brand{font-size:13px;gap:9px}.back{font-size:11px}.shell{padding:0 20px}main{padding-top:36px}.intro{grid-template-columns:1fr;gap:28px;margin-bottom:36px}.eyebrow{font-size:9px;margin-bottom:22px}.date-panel{padding:20px}.lead{font-size:15px}.card{padding:18px}.card-value{font-size:25px}h2{font-size:19px}.section-head{gap:10px}.section-head>div{gap:9px}#manage{padding:10px;font-size:11px}.tag{font-size:8px}.fields{gap:10px;grid-template-columns:minmax(0,1fr) 40px minmax(0,1fr)}select{font-size:13px;padding-left:8px}.result-panel{padding:24px 20px}.result-arrow{display:none}footer{flex-direction:column;gap:12px}#choices{grid-template-columns:1fr}}