:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#183f3a;--muted:#526760;--paper:#f6f5ee;--sage:#e8ecdf}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font:17px/1.65 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}header,main,footer{max-width:1000px;margin:auto;padding:24px}header{justify-content:space-between;align-items:center;display:flex}.brand{letter-spacing:-1px;font-size:30px;font-weight:650;text-decoration:none}a{color:inherit}.notice{background:#f4e3cc;border-radius:12px;padding:12px 18px;font-size:14px}.hero{max-width:650px;padding:32px 0}h1{letter-spacing:-1.5px;margin:16px 0;font:clamp(40px,7vw,68px)/1.12 Georgia,serif}h2{font:30px/1.2 Georgia,serif}p{color:var(--muted)}.panel{background:#ffffff90;border:1px solid #e0e5d9;border-radius:24px;max-width:620px;padding:28px}fieldset{border:0;margin:24px 0;padding:0}legend{margin-bottom:12px;font-weight:600}.choices{flex-wrap:wrap;gap:10px;display:flex}button{font:inherit;color:var(--ink);cursor:pointer;background:0 0;border:1px solid #ccd5c6;border-radius:14px;min-height:48px;padding:12px 18px}button[aria-pressed=true]{background:var(--sage);border:2px solid var(--ink);padding:11px 17px}button:focus-visible,a:focus-visible{outline-offset:4px;outline:3px solid #537f65}dl>div{justify-content:space-between;gap:16px;margin:10px 0;display:flex}dd{margin:0;font-weight:600}.total{border-top:1px solid #ccd5c6;padding-top:12px}.muted{font-size:14px}.primary{background:var(--sage);width:100%}button:disabled{cursor:not-allowed}.explain{max-width:620px;padding:32px 0}footer{color:var(--muted);font-size:14px}@media (max-width:480px){header,main,footer{padding:18px}.panel{padding:20px}.choices button{flex:1;padding:12px}header span{font-size:13px}}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#deeddf;--muted:#b3c6b8;--paper:#0e1a18;--sage:#263f36}.panel{background:#20302e;border-color:#43574b}button{border-color:#647868}.notice{color:#f3dec2;background:#40392b}}.account{margin-top:24px}label{margin:14px 0;display:block}input{width:100%;font:inherit;background:var(--paper);color:var(--ink);border:1px solid #647868;border-radius:10px;margin-top:6px;padding:12px;display:block}.challenge{border-top:1px solid #647868;margin-top:18px;padding:18px 0}dialog{background:var(--paper);width:calc(100% - 36px);max-width:520px;color:var(--ink);border:1px solid #647868;border-radius:24px;padding:28px}dialog::backdrop{background:#102b28bb}.breathing-circle{text-align:center;background:var(--sage);border-radius:50%;place-items:center;width:210px;height:210px;margin:40px auto;padding:20px;transition:transform 4s;display:grid}.breathing-circle[data-phase=in],.breathing-circle[data-phase=hold]{transform:scale(1.08)}.breathing-circle[data-phase=out]{transition-duration:8s;transform:scale(.9)}@media (prefers-reduced-motion:reduce){.breathing-circle{transition:none!important;transform:none!important}}input[type=checkbox]{width:auto;min-width:20px;min-height:20px;margin-right:8px;display:inline-block}button:disabled{opacity:.5}