:root{--background:#f3f5f7;--foreground:#172026;--muted:#66727d;--line:#d8dee5;--panel:#fff;--panel-strong:#fff;--accent:#0f766e;--accent-strong:#0b5f59;--danger:#b42318;--success:#126b44;--warning:#966511;--warning-bg:#fff7e6;--danger-bg:#fff0ed;--success-bg:#e8f4ef;--dark:#11181f}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--background);color:var(--foreground);margin:0;font-family:Geist,Geist Fallback,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,textarea,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}.shell{width:min(1120px,100% - 32px);margin:0 auto;padding:40px 0 56px}.topbar{justify-content:space-between;align-items:center;gap:16px;padding:0 0 28px;display:flex}.brand{flex-direction:column;gap:4px;display:flex}.brand h1{letter-spacing:0;margin:0;font-size:clamp(28px,4vw,44px);line-height:1}.brand p{color:var(--muted);margin:0;font-size:15px}.nav-link{border:1px solid 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