:root{--bg: #f6f4ef;--card: #ffffff;--ink: #20302b;--muted: #6b7a74;--accent: #1a7a5e;--accent-soft: #e3f0ea;--line: #e6e2d8;--danger: #b3422e;--radius: 16px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif;font-size:16px}#root{min-height:100dvh}button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}input{font:inherit;color:inherit}.app{display:flex;flex-direction:column;min-height:100dvh;max-width:520px;margin:0 auto}.screen{flex:1;padding:20px 18px 90px}.tabbar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:520px;display:flex;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 0 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