:root{--calcs-bg-deep: #f5f7fa;--calcs-bg-mid: #c3cfe2;--calcs-bg-light: #ffffff;--calcs-cyan: #007bff;--calcs-cyan-glow: rgba(0, 123, 255, .2);--calcs-magenta: #e83e8c;--calcs-magenta-glow: rgba(232, 62, 140, .2);--calcs-gold: #fd7e14;--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .8);--glass-blur: 20px;--text-primary: #2d3436;--text-secondary: #636e72;--text-muted: #b2bec3}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:linear-gradient(135deg,#fdfbfb,#ebedee);color:var(--text-primary);min-height:100vh;overflow-x:hidden}h1,h2,h3{font-weight:700;letter-spacing:-.01em;color:var(--text-primary)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#0000000d}::-webkit-scrollbar-thumb{background:#b2bec3;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--calcs.in-cyan)}