html{background:#f5f7fa;width:100%;min-width:320px;min-height:100%}body{width:100%;min-width:320px;min-height:100vh;margin:0}#root{width:100%;min-height:100vh}:root{--background:#f5f7fa;--surface:#fff;--text-primary:#172033;--text-secondary:#697386;--border:#e5e9f0;--brand:#2457d6;--brand-dark:#1947bd;--brand-light:#edf3ff;--green:#198754;--green-light:#e9f7ef;--amber:#b76e00;--amber-light:#fff5df;--red:#c93636;--red-light:#fff0f0;--shadow:0 2px 8px #18274b0f}*{box-sizing:border-box}body{background:var(--background);color:var(--text-primary);margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button{font:inherit}.app-shell{width:100%;min-height:100vh}.top-header{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;min-height:82px;padding:0 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