:root{--tip-red: #ed1c24;--tip-red-dark: #b90f17;--tip-black: #111827;--tip-gray: #6b7280;--tip-light: #f8fafc;--tip-border: #e5e7eb;--tip-card: #ffffff;--tip-soft-red: #fff1f2}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#fff,#f8fafc);color:var(--tip-black)}button,textarea{font:inherit}