:root{color-scheme:light;--bg: #f6f8fb;--surface: #ffffff;--surface-strong: #fdfefe;--text: #111827;--muted: #61708a;--border: #dbe4ef;--border-strong: #c6d3e1;--blue: #1d6fd9;--blue-dark: #164f9e;--blue-soft: #e8f2ff;--green: #16825d;--green-soft: #e6f6ef;--amber: #ac6b08;--amber-soft: #fff5df;--red: #c83d37;--red-soft: #ffeceb;--shadow: 0 18px 55px rgba(28, 52, 84, .11);--radius: 8px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,#f8fbff 0%,var(--bg) 290px),var(--bg)}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.app-shell{min-height:100vh}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;padding:14px 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