:root{--paper:#f3f0e9;--surface:#fffefa;--surface-soft:#e9e5dc;--ink:#24231f;--muted:#6e6a61;--line:#d7d1c5;--wood:#8d5c3e;--wood-dark:#62412e;--focus:#315e80;--success:#416b50;--danger:#9a4238;--nav-height:72px;--radius:18px;--shadow:0 22px 60px #3e312214}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);scroll-behavior:smooth}body{min-height:100vh;font-family:var(--font-geist-sans), system-ui, sans-serif;background:var(--paper);margin:0}button,input{font:inherit}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}::selection{color:#fff;background:var(--wood)}.app-header{z-index:50;height:calc(var(--nav-height) + env(safe-area-inset-top));padding-top:env(safe-area-inset-top);border-bottom:1px solid color-mix(in srgb, var(--line) 78%, transparent);background:color-mix(in srgb, var(--paper) 91%, 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