:root{--success-bg:#22c55e;--success-border:#16a34a;--success-text:#fff;--error-bg:#ef4444;--error-border:#dc2626;--error-text:#fff;--warning-bg:#f59e0b;--warning-border:#d97706;--warning-text:#fff;--info-bg:#3b82f6;--info-border:#2563eb;--info-text:#fff;--normal-bg:#3b82f6;--normal-text:#fff;--normal-border:#2563eb;--width:clamp(300px,90vw,420px);--border-radius:8px;--font-size:14px;--font-weight:500}