*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-card:#1e293b;--accent:#38bdf8;--accent-dark:#0284c7;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--border:#334155;--error:#f87171;--success:#4ade80;--warning:#fbbf24;--radius:16px;--radius-sm:8px;--shadow:0 4px 32px rgba(0,0,0,.4);--transition:0.2s ease}body,html{min-height:100vh;background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}button{cursor:pointer;border:none}button,input{outline:none;font-family:inherit}.container{max-width:900px;margin:0 auto;padding:0 20px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}