:root{--border:#d0d5dd;--bg-muted:#f7f8fa;--text-muted:#667085;--accent:#1c4e9c;--danger:#b3261e}*{box-sizing:border-box}body{color:#101828;background:#fff;margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif}button{border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;border-radius:6px;margin-right:6px;padding:8px 14px;font-family:inherit;font-size:14px}button.secondary{color:var(--accent);background:#fff}button.danger{color:var(--danger);border-color:var(--danger);background:#fff}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{border:1px solid var(--border);border-radius:4px;width:100%;padding:6px 8px;font-family:inherit;font-size:14px}label{color:var(--text-muted);margin-bottom:10px;font-size:13px;display:block}fieldset{border:1px solid var(--border);border-radius:6px;margin-bottom:12px}table{border-collapse:collapse;width:100%;margin-top:12px;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:8px 10px}th{background:var(--bg-muted)}.login-page{background:var(--bg-muted);justify-content:center;align-items:center;height:100vh;display:flex}.login-card{border:1px solid var(--border);background:#fff;border-radius:10px;width:320px;padding:32px}.app-shell{flex-direction:column;height:100vh;display:flex}.top-bar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.top-bar-right{align-items:center;gap:12px;font-size:14px;display:flex}.body{flex:1;display:flex;overflow:hidden}nav{border-right:1px solid var(--border);flex-direction:column;gap:4px;width:200px;padding:16px 8px;display:flex}nav button{color:#101828;text-align:left;background:0 0;border:none;width:100%}nav button.nav-active{background:var(--bg-muted);color:var(--accent);font-weight:600}main{flex:1;padding:24px;overflow-y:auto}.screen-header{margin-bottom:16px}.muted{color:var(--text-muted);font-size:14px}.error-text{color:var(--danger)}.loading-screen{padding:40px}.card-form{background:var(--bg-muted);border:1px solid var(--border);border-radius:8px;max-width:600px;margin-bottom:20px;padding:20px}.form-actions{margin-top:12px}.checkbox-label{align-items:center;gap:6px;width:auto;margin-right:16px;display:inline-flex}.checkbox-label input{width:auto}.two-column{grid-template-columns:1fr 1fr;align-items:start;gap:20px;display:grid}.coverage-warning{background:#fff4e5;border:1px solid #b45309;border-radius:6px;margin-top:12px;padding:12px}