:root{--bg:#f2f6f4;--card:#fff;--ink:#14201f;--mute:#5b6b69;--teal:#0f3d3e;--on-teal:#fff;--acc:#f2b01e;--line:#d5dfdc;--out:#e6f0ec;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0d1716;--card:#15231f;--ink:#e8f0ee;--mute:#93a6a2;--teal:#1d5c5d;--line:#2a3d39;--out:#1b2f2a}}
:root[data-theme="dark"]{--bg:#0d1716;--card:#15231f;--ink:#e8f0ee;--mute:#93a6a2;--teal:#1d5c5d;--line:#2a3d39;--out:#1b2f2a}
*{box-sizing:border-box}html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 "Bricolage Grotesque",system-ui,-apple-system,"Segoe UI",sans-serif}
header{background:var(--teal);color:var(--on-teal);padding:28px 20px 56px}
.wrap{max-width:760px;margin:0 auto}
.brand{font-size:clamp(28px,6vw,44px);line-height:1.1;margin:0 0 8px;font-weight:800;letter-spacing:-.02em}
header p{margin:0;opacity:.85;max-width:52ch}
nav{display:flex;gap:8px;margin:-28px auto 0;max-width:760px;padding:0 20px;overflow-x:auto}
nav a{flex:1 0 auto;text-align:center;padding:12px 16px;border-radius:10px 10px 0 0;background:var(--line);color:var(--ink);text-decoration:none;font-weight:600}
nav a[aria-current=page]{background:var(--card);border-top:4px solid var(--acc)}
nav a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
main{max-width:760px;margin:0 auto;padding:0 20px 40px}
.panel{background:var(--card);padding:24px;border-radius:0 0 14px 14px;border:1px solid var(--line);border-top:0}
.panel[hidden]{display:none}
h2{margin:0 0 4px;font-size:24px}
.sub{color:var(--mute);margin:0 0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
label{display:block;font-weight:600;font-size:14px;margin-bottom:4px}
input,select{width:100%;padding:11px 12px;font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px}
.result{margin-top:22px;background:var(--out);border-radius:12px;padding:18px 20px}
.big{font-size:clamp(28px,7vw,40px);font-weight:800;letter-spacing:-.02em}
.row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-top:1px solid var(--line);font-size:15px}
.row:first-of-type{border-top:0}
.note{color:var(--mute);font-size:13px;margin-top:14px}
.wide{overflow-x:auto}
footer{max-width:760px;margin:0 auto;padding:0 20px 40px;color:var(--mute);font-size:13px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.stat{background:var(--out);border-radius:10px;padding:12px 14px}.stat small{color:var(--mute);display:block}.stat b{font-size:20px}
.up{color:#1a7f4b}.dn{color:#c43d3d}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .up{color:#5fd39a}:root:not([data-theme="light"]) .dn{color:#ff8a8a}}
table{width:100%;border-collapse:collapse;font-size:15px}th,td{padding:8px 6px;border-top:1px solid var(--line);text-align:right}th:first-child,td:first-child{text-align:left}th{color:var(--mute);font-weight:600;border-top:0}
h3{margin:22px 0 8px;font-size:17px}
.chart{width:100%;height:auto;color:var(--ink);background:var(--out);border-radius:10px}
.stamp{background:var(--out);border-left:4px solid var(--acc);padding:8px 12px;border-radius:6px;font-size:13px;margin-bottom:16px}

.brand a{color:inherit;text-decoration:none}
main h1{font-size:28px;line-height:1.2;margin:0 0 4px}
nav{flex-wrap:nowrap}nav a{white-space:nowrap}
.panel{border-radius:14px;border-top:1px solid var(--line)}
article{margin-top:28px}article h2{font-size:22px;margin:24px 0 6px}article p,article li{color:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:20px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-top:4px solid var(--acc);border-radius:12px;padding:16px;text-decoration:none;color:var(--ink)}
.card b{display:block;font-size:18px}.card span{color:var(--mute);font-size:14px}
footer a{color:inherit}