:root{--bg-primary: #0f172a;--bg-card: #1e293b;--border: #334155;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--accent-start: #6366f1;--accent-end: #06b6d4;--gradient-text: linear-gradient(135deg, #818cf8, #38bdf8);--error-bg: rgba(239,68,68,.1);--error-border: rgba(239,68,68,.3);--error-text: #fca5a5}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,var(--bg-primary) 0%,#1e293b 100%);color:var(--text-primary);padding:20px}