:root{--bg:#eef3f8;--bg-accent:#e3eaf3;--surface:rgba(255,255,255,0.9);--surface-strong:#ffffff;--surface-muted:#f7f9fc;--border:#d9e2ec;--border-strong:#c8d4e3;--text:#142235;--muted:#6a7a8d;--accent:#165df5;--accent-soft:rgba(22,93,245,0.08);--danger:#c2475d;--shadow:0 22px 48px rgba(15,23,42,0.08);--radius-xl:22px;--radius-lg:16px;--radius-md:14px;--radius-sm:12px}*{box-sizing:border-box}body,html{margin:0;min-height:100%;font-family:Satoshi,Aptos,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at top left,rgba(22,93,245,.06),transparent 30%),linear-gradient(180deg,var(--bg) 0,var(--bg-accent) 100%)}body:before{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(125,145,168,.04) 1px,transparent 0),linear-gradient(90deg,rgba(125,145,168,.04) 1px,transparent 0);background-size:36px 36px;pointer-events:none}button,input,select{font:inherit}button{cursor:pointer}.shell{max-width:1520px;margin:0 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