:root{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#20352d;background:#f6f6f0;font-synthesis:none;--green:#205b46;--muted:#6b796f;--line:#dde3da;--pale:#e7eddf}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{opacity:.45;cursor:default}button:focus-visible,input:focus-visible{outline:3px solid #b68a25;outline-offset:4px}button{border:0}#app{max-width:760px;margin:auto;padding:32px 28px max(28px,env(safe-area-inset-bottom));min-height:100dvh}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:48px}.brand{font-size:18px;letter-spacing:2px;font-weight:800}.brand b{background:var(--green);color:white;border-radius:8px;padding:6px 8px;letter-spacing:0}.iconbtn{border:1px solid var(--line);background:transparent;border-radius:50%;width:44px;height:44px;font-size:22px;color:var(--green)}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:750;color:var(--muted);text-transform:uppercase}h1{font-size:clamp(35px,7vw,56px);line-height:1.07;letter-spacing:-2px;font-weight:600;margin:17px 0}h1 em{color:var(--green);font-family:Georgia,serif;font-weight:400}h2{font-size:21px;letter-spacing:-.5px;margin:0 0 16px}h3{font-size:15px;margin:22px 0 12px}p{line-height:1.6;color:var(--muted)}.hero{position:relative;padding-bottom:25px}.hero p{max-width:350px;font-size:15px}.motif{position:absolute;right:0;top:10px;display:grid;grid-template-columns:repeat(2,48px);gap:8px;transform:rotate(7deg)}.motif span{display:grid;place-items:center;background:var(--pale);width:48px;height:48px;border-radius:12px;font-size:27px;color:var(--green)}.motif span:nth-child(2){background:#e9dfc5}.motif span:nth-child(3){background:#d3e4d8}.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px;margin-bottom:18px}.challenge{background:var(--green);color:#fff;border:0;position:relative;overflow:hidden}.challenge p{color:#d4e4db}.challenge .eyebrow{color:#c1d4c7}.big20{font-size:88px;letter-spacing:-6px;line-height:1;font-weight:650}.challenge-info{display:flex;justify-content:space-between;align-items:center;margin:18px 0 24px}.challenge-info p{font-size:13px;max-width:150px}.primary,.secondary{width:100%;min-height:55px;border-radius:13px;padding:14px 18px;font-weight:750;letter-spacing:.2px}.primary{color:#fff;background:var(--green)}.challenge .primary{background:#eff2d8;color:#214531}.secondary{background:transparent;border:1px solid #b7c5b9;color:var(--green)}.actions{display:grid;gap:10px}.stats{display:grid;grid-template-columns:1fr 1fr;gap:15px}.stat{padding:21px;background:#ebeee5;border-radius:18px}.stat strong{display:block;font-size:29px;letter-spacing:-1px;margin-bottom:4px}.stat span{font-size:12px;color:var(--muted)}.link{background:transparent;color:var(--green);font-weight:700;padding:12px 0;text-decoration:underline;text-underline-offset:4px}.footer{text-align:center;font-size:11px;color:var(--muted);margin-top:25px;line-height:1.8}.quiet{font-size:12px}.topline{display:flex;align-items:center;justify-content:space-between;gap:12px}.back{background:transparent;color:var(--green);font-size:14px;padding:10px 0}.page-title{font-size:35px;letter-spacing:-1.4px;margin:10px 0 25px}.exercise{max-width:440px;margin:auto;min-height:calc(100dvh - 70px);display:flex;flex-direction:column}.exercise .topline{font-size:13px;font-variant-numeric:tabular-nums;color:var(--muted);margin:6px 0 12px}.progress{height:5px;background:#e1e7dd;border-radius:8px;overflow:hidden}.progress i{height:100%;display:block;background:var(--green)}.equation{font-size:clamp(34px,8vw,52px);font-weight:650;letter-spacing:-1.5px;text-align:center;margin:auto 0 20px;padding-top:28px;white-space:nowrap}.answer{font-size:42px;text-align:center;height:70px;color:var(--green);font-variant-numeric:tabular-nums;border-bottom:2px solid #cad7cb;margin:0 15% 25px}.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:auto;padding-top:20px}.key{border:1px solid var(--line);background:white;color:#213c2e;font-size:27px;border-radius:14px;min-height:62px}.key:active{background:#dce8db}.key.small{font-size:17px;background:#e7ebdf}.confirm{margin-top:12px}.week{display:flex;justify-content:space-between;margin-top:20px;gap:5px}.day{text-align:center;font-size:10px;color:var(--muted)}.day b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#edf0e8;margin:8px 0;color:var(--muted);font-size:12px}.day.active b{background:var(--green);color:white}.metric{font-size:36px;letter-spacing:-1px;font-weight:650;margin:15px 0 5px}.pill{background:#e7efdf;padding:5px 9px;border-radius:7px;font-size:11px;color:var(--green)}.chart{width:100%;height:120px;display:block}.boxrow{padding:15px 0;border-bottom:1px solid var(--line)}.boxrow:last-child{border-bottom:0}.boxrow .topline{font-size:13px}.boxrow button{background:transparent;color:var(--green);text-align:left;padding:0;font-weight:650}.boxrow .progress{margin:10px 0 7px}.boxrow small{font-size:10px;color:var(--muted)}.tabs{display:flex;gap:8px;margin:20px 0}.tabs button{background:#e7ecdf;color:var(--green);padding:10px 16px;border-radius:25px}.tabs button.selected{background:var(--green);color:white}.success{color:var(--green)}.error{color:#a04c37}.notice{background:#f4ead3;color:#755a27;border-radius:12px;padding:14px;font-size:13px;line-height:1.5;margin:15px 0}.summary{font-size:60px;font-weight:700;letter-spacing:-3px;margin:20px 0 8px}.result-line{padding:13px 0;border-bottom:1px solid var(--line);font-size:13px;display:flex;justify-content:space-between;gap:12px}input[type=number]{width:100px;padding:12px;border:1px solid #b7c5b9;border-radius:10px;background:white;color:var(--green)}label{display:block;margin:20px 0}.empty{padding:16px 0;font-size:13px}.history-date{font-size:13px;margin:22px 0 5px}.history-info{font-size:12px;color:var(--muted);line-height:1.8}.round-badge{font-size:12px;letter-spacing:1px}.hidden{display:none}@media(min-width:650px){.home-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;align-items:start}.hero{padding-top:15px;padding-bottom:30px}.motif{right:35px;top:40px;transform:rotate(10deg) scale(1.25)}.challenge{margin:0}.home-side{display:flex;flex-direction:column;gap:18px}.home-side .stats{order:-1}.home-side .stat{padding:25px 18px}.page-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.page-grid .card{margin:0}}@media(max-width:380px){#app{padding:22px 18px}.motif{display:none}.key{min-height:56px}.equation{font-size:34px}.day b{width:30px;height:30px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
.feedback-body{margin:auto 0;text-align:center;padding:25px 0}.feedback-symbol{font-size:48px;line-height:1;width:78px;height:78px;display:grid;place-items:center;margin:0 auto 20px;background:#e7eddf;border-radius:50%}.feedback-symbol.error{background:#f6e7df}.feedback-title{font-size:36px;letter-spacing:-1px}.feedback-answer{font-size:19px}.feedback-answer strong{font-size:29px;color:var(--green)}.feedback-screen .solved{margin:22px 0;padding:0;font-size:clamp(30px,8vw,48px)}.feedback-screen p{font-size:15px}.feedback-screen .confirm{margin-top:20px}
.auto-feedback-note{text-align:center;font-size:13px;margin:20px 0;color:var(--muted)}
.install-card{position:relative;background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:18px;padding:18px 44px 18px 20px;margin:-24px 0 32px;font-size:14px;color:#20352d}.install-card strong{display:block;font-size:16px;margin-bottom:4px}.install-card p{margin:4px 0 0;font-size:14px}.install-card ol{margin:8px 0 0;padding-left:20px;line-height:1.7;color:var(--muted)}.install-card b{color:#20352d}.install-btn{margin-top:12px;min-height:48px}.install-close{position:absolute;top:8px;right:8px;width:36px;height:36px;border-radius:50%;background:transparent;color:var(--muted);font-size:22px;line-height:1}.share-icon{width:18px;height:18px;vertical-align:-3px;color:#2f6fd6}.card .install-card{margin:0;padding-right:20px;border-left-width:1px}