:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--secondary:#ec4899;--secondary-dark:#db2777;--success:#10b981;--success-dark:#059669;--error:#ef4444;--error-dark:#dc2626;--warning:#f59e0b;--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--border:#475569;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1);--shadow-glow:0 0 20px rgba(99,102,241,.3);--transition-fast:150ms ease-in-out;--transition-normal:250ms ease-in-out;--transition-slow:350ms ease-in-out}*{box-sizing:border-box;margin:0;padding:0}body,html{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:linear-gradient(135deg,var(--bg-primary) 0,#1a1f3a 100%);color:var(--text-primary);min-height:100vh}a{color:inherit;text-decoration:none}.btn{padding:var(--spacing-md) var(--spacing-xl);border-radius:var(--radius-md);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition-normal);display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:hsla(0,0%,100%,.1);transform:translate(-50%,-50%);transition:width var(--transition-slow),height var(--transition-slow)}.btn:hover:before{width:300px;height:300px}.btn-primary{background:linear-gradient(135deg,var(--primary) 0,var(--primary-dark) 100%);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),var(--shadow-glow)}.btn-secondary{background:linear-gradient(135deg,var(--secondary) 0,var(--secondary-dark) 100%);color:#fff;box-shadow:var(--shadow-md)}.btn-secondary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);border:1px solid var(--border);transition:all var(--transition-normal)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--primary)}.card-glass{background:rgba(30,41,59,.7);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid hsla(0,0%,100%,.1)}.input{width:100%;padding:var(--spacing-md);border-radius:var(--radius-md);border:2px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:1rem;transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.1)}.input::placeholder{color:var(--text-muted)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{transform:translateX(-100%)}to{transform:translateX(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn var(--transition-slow) ease-out}.slide-in{animation:slideIn var(--transition-normal) ease-out}.progress-bar{width:100%;height:8px;background:var(--bg-tertiary)}.progress-bar,.progress-bar-fill{border-radius:var(--radius-lg);overflow:hidden;position:relative}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary) 0,var(--primary-light) 100%);transition:width var(--transition-slow)}.progress-bar-fill:after{content:"";position:absolute;top:0;left:0;bottom:0;right:0;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.3),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translateX(-100%)}to{transform:translateX(100%)}}.text-center{text-align:center}.mt-1{margin-top:var(--spacing-sm)}.mt-2{margin-top:var(--spacing-md)}.mt-3{margin-top:var(--spacing-lg)}.mt-4{margin-top:var(--spacing-xl)}.mb-1{margin-bottom:var(--spacing-sm)}.mb-2{margin-bottom:var(--spacing-md)}.mb-3{margin-bottom:var(--spacing-lg)}.mb-4{margin-bottom:var(--spacing-xl)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:var(--spacing-sm)}.gap-2{gap:var(--spacing-md)}.gap-3{gap:var(--spacing-lg)}.gap-4{gap:var(--spacing-xl)}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (max-width:768px){.grid-cols-2,.grid-cols-4{grid-template-columns:1fr}}