:root{color-scheme:light;--bg: #f7faf9;--surface: #ffffff;--ink: #1f2933;--muted: #61727f;--line: #d7e2df;--accent: #0f766e;--accent-dark: #0b5f59;--orange: #f97316;--good: #16703a;--bad: #b42318;--shadow: 0 16px 36px rgba(15, 118, 110, .12)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,sans-serif;line-height:1.65;letter-spacing:0}button,input,select,textarea{font:inherit}button{min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px}button:disabled{opacity:.5}.app-shell{max-width:920px;min-height:100vh;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 16px 92px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:8px 2px 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