*,:after,:before{box-sizing:border-box}body,html{margin:0;min-height:100%;padding:0}body,body.dark{--bg-page:#0f172a;--bg-card:#1e293b;--bg-input:#0f172a;--border:#334155;--border-hover:#475569;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--text-value:#e2e8f0;--accent:#3b82f6;--accent-hover:#2563eb;--accent-light:#93c5fd;--error-bg:rgba(239,68,68,.1);--error-border:rgba(239,68,68,.3);--error-text:#fca5a5;--spinner-track:#334155;background:var(--bg-page);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;transition:background .2s ease,color .2s ease}body.light{--bg-page:#f8fafc;--bg-card:#fff;--bg-input:#f1f5f9;--border:#e2e8f0;--border-hover:#cbd5e1;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--text-value:#1e293b;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-light:#3b82f6;--error-bg:rgba(239,68,68,.06);--error-border:rgba(239,68,68,.2);--error-text:#dc2626;--spinner-track:#e2e8f0}.global-error-banner{align-items:center;background:#ef4444;color:#fff;display:flex;font-size:.875rem;gap:12px;justify-content:space-between;left:0;padding:12px 20px;position:fixed;right:0;top:0;z-index:9999}.global-error-banner button{background:transparent;border:none;color:#fff;cursor:pointer;font-size:1rem;padding:0 4px}