:root{--primary-color:#ff61d7;--primary-light:#f72dc8;--primary-dark:#000000;--secondary-color:rgba(0, 0, 0, 0.75);--secondary-light:rgba(145, 145, 145, 0.75);--secondary-dark:#9a0036;--background-default:rgba(0, 0, 0, 0.43);--background-paper:#de2c8e;--text-primary:#ffffff;--text-secondary:#000000;--error-color:#f44336;--warning-color:#ff9800;--info-color:#ffffff;--success-color:#4caf50;--border-color:#e0e0e0;--chat-bubble-color:#ff78d2;--chat-bubble-text:#ffffff;--chat-bubble-received-color:#2a2a2a;--chat-bubble-received-text:#ffffff;--auth-field-background:rgba(255, 255, 255, 0.1);--font-family:Roboto, Helvetica, Arial, sans-serif;--font-size:14px;--h1-size:2.125rem;--h2-size:1.5rem;--h3-size:1.25rem;--spacing-unit:8px;--container-padding:16px;--card-margin:16px;--border-radius:4px;--border-radius-sm:2px;--border-radius-lg:8px;--shadow-light:0 1px 3px rgba(0,0,0,0.12);--shadow-medium:0 4px 6px rgba(0,0,0,0.16);--shadow-heavy:0 10px 20px rgba(0,0,0,0.19);}