:root{color-scheme:light dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;--accent:#2563eb}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0 auto;max-width:640px;padding:calc(1.5rem + env(safe-area-inset-top)) calc(1.25rem + env(safe-area-inset-right)) calc(2rem + env(safe-area-inset-bottom)) calc(1.25rem + env(safe-area-inset-left));min-height:100dvh}button,input,select{font:inherit;font-size:16px;min-height:44px;border-radius:10px;border:1px solid rgba(128,128,128,.4);padding:.5rem .75rem;background:transparent;color:inherit}button{cursor:pointer;min-width:44px;background:rgba(128,128,128,.12);font-weight:600}button:hover:not(:disabled){background:rgba(128,128,128,.2)}button:disabled{opacity:.5;cursor:default}a{color:var(--accent)}