*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#3B82F6;--primary-light:#60A5FA;--primary-dark:#2563EB;--secondary-color:#10B981;--accent-color:#8B5CF6;--warning-color:#F59E0B;--danger-color:#EF4444;--bg-primary:#0F172A;--bg-secondary:#1E293B;--bg-card:rgba(30, 41, 59, 0.8);--bg-card-hover:rgba(51, 65, 85, 0.9);--text-primary:#F8FAFC;--text-secondary:#94A3B8;--text-muted:#64748B;--border-color:rgba(148, 163, 184, 0.15);--border-hover:rgba(59, 130, 246, 0.4);--shadow-sm:0 1px 2px rgba(0, 0, 0, 0.3);--shadow-md:0 4px 6px rgba(0, 0, 0, 0.4);--shadow-lg:0 10px 25px rgba(0, 0, 0, 0.5);--shadow-xl:0 20px 40px rgba(0, 0, 0, 0.6)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;background:linear-gradient(135deg,var(--bg-primary) 0,#1a1a2e 30%,#16213e 60%,var(--bg-secondary) 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.icon{font-size:2.1rem}.tool-container{padding:20px}}::-webkit-scrollbar{width:7px;height:7px}::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:4px}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.25)}::selection{background:rgba(59,130,246,.3);color:#fff}@keyframes pulseGlow{0%,100%{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}@keyframes rotateBg{from{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes shimmer{0%{background-position:-200% center}100%{background-position:200% center}}@keyframes glow{0%,100%{box-shadow:0 0 20px rgba(59,130,246,.3)}50%{box-shadow:0 0 40px rgba(59,130,246,.6)}}