:root{--ink:#1f2937;--muted:#667085;--cream:#fff8ee;--paper:#fff;--orange:#f97316;--orange-dark:#c2410c;--blue:#0ea5e9;--blue-dark:#0369a1;--purple:#8b5cf6;--green:#22c55e;--red:#ef4444;--line:#eadfce;--shadow:0 18px 50px #674a2a1f}*{box-sizing:border-box}html{background:var(--cream);min-height:100%}body{min-height:100vh;color:var(--ink);background:radial-gradient(circle at 8% 4%, #0ea5e91c, transparent 26rem), radial-gradient(circle at 96% 18%, #f9731621, transparent 27rem), var(--cream);-webkit-tap-highlight-color:transparent;margin:0;font-family:ui-rounded,SF Pro Rounded,PingFang TC,PingFang SC,Microsoft JhengHei,system-ui,sans-serif}button,input{font:inherit}button{touch-action:manipulation}.app-shell{width:min(1120px,100%);min-height:100vh;padding:max(22px, env(safe-area-inset-top)) max(22px, env(safe-area-inset-right)) max(30px, env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left));margin:0 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