:root{--p:#138a5a;--p-dark:#0e6b45;--p-soft:#e6f4ee;--p-line:#bfe3d2;--amber:#f59e0b;--amber-soft:#fff4df;--red:#d93025;--red-soft:#fde8e6;--ink:#1b2430;--muted:#66707f;--line:#e4e8ee;--bg:#f6f8fa;--card:#ffffff;--radius:14px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.4}body{padding-bottom:calc(68px + env(safe-area-inset-bottom))}h1,h2,h3{margin:0}h3{font-size:16px;margin-bottom:6px}p{margin:6px 0}a{color:var(--p)}button{font-family:inherit;cursor:pointer}.app{max-width:520px;margin:0 auto;min-height:100dvh}.center{text-align:center}.muted{color:var(--muted)}.small{font-size:13px}.mt{margin-top:12px}.grow{flex:1 1}.error{color:var(--red);font-size:14px;margin:-6px 0 8px}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:5;background:var(--card);border-bottom:1px solid var(--line);padding:calc(10px + env(safe-area-inset-top)) 12px 10px 16px;display:flex;align-items:center;gap:8px;min-height:56px}.topbar h1{font-size:19px;flex:1 1}.topbar .brand{color:var(--p);letter-spacing:-.3px}.topbar .back{width:40px;height:40px;margin-left:-10px;border:0;background:transparent;color:var(--ink);align-items:center}.nav,.topbar .back{display:flex;justify-content:center}.nav{position:fixed;bottom:0;left:0;right:0;z-index:10;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.nav-inner{display:flex;width:100%;max-width:520px}.nav a{flex:1 1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 6px;min-height:58px;font-size:11px;font-weight:600;color:var(--muted);text-decoration:none}.nav a.on{color:var(--p)}.nav svg{width:24px;height:24px}.nav-brand{display:none}.fab{position:fixed;right:16px;bottom:calc(78px + 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