:root{--primary-color:#6366f1;--primary-hover:#4f46e5;--secondary-color:#ec4899;--dark-color:#1e293b;--light-color:#f8fafc;--border-radius:12px;--card-shadow:0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);--transition:all 0.3s ease;.container{width:100%;max-width:800px;margin:0 auto}.container header{text-align:center;margin-bottom:2rem}.container h2{font-weight:700;font-size:2.5rem;margin-bottom:.5rem}.subtitle{font-size:1.1rem;color:#64748b;font-weight:300}.generator-card{background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--card-shadow);overflow:hidden;margin-bottom:2rem}.result-display{background:#20253e;padding:2rem;text-align:center;position:relative;overflow:hidden;height:180px;display:flex;align-items:center;justify-content:center}.number-container{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;width:100%;min-height:80px;position:relative;z-index:2}.random-number,#random-number{font-size:2.5rem;font-weight:600;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.2);background-color:rgba(255,255,255,.2);backdrop-filter:blur(5px);border-radius:12px;padding:.5rem 1rem;margin:.5rem;min-width:80px;text-align:center;box-shadow:0 4px 8px rgba(0,0,0,.1);transition:transform 0.3s ease,box-shadow 0.3s ease}.random-number:hover,#random-number:hover{transform:translateY(-3px);box-shadow:0 6px 12px rgba(0,0,0,.15)}.number-separator{color:rgba(255,255,255,.7);font-size:1.5rem;margin:0;align-self:center;text-shadow:0 2px 5px rgba(0,0,0,.2)}.result-animation{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none}.controls{padding:2rem}.range-inputs{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem}.input-group{display:flex;flex-direction:column}label{font-size:.9rem;margin-bottom:.5rem;color:#64748b;font-weight:500}input[type="number"]{padding:.75rem 1rem;border:1px solid #e2e8f0;border-radius:var(--border-radius);font-size:1rem;font-family:inherit;transition:var(--transition)}input[type="number"]:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(99,102,241,.2)}.options{display:flex;align-items:center;gap:2rem;margin-bottom:1.5rem}.option-group{display:flex;align-items:center;gap:.5rem}.option-checkbox{width:18px;height:18px;cursor:pointer;accent-color:var(--primary-color)}.decimal-precision{display:flex;align-items:center;gap:.5rem;opacity:.5;pointer-events:none;transition:var(--transition)}.decimal-precision.active{opacity:1;pointer-events:all}select{padding:.5rem;border:1px solid #e2e8f0;border-radius:var(--border-radius);font-family:inherit;background-color:#fff}.quantity-selector{margin-bottom:1.5rem}.quantity-controls{display:flex;align-items:center;gap:.5rem}.quantity-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background-color:#f1f5f9;border:none;border-radius:50%;font-size:1.25rem;cursor:pointer;transition:var(--transition)}.quantity-btn:hover{background-color:#e2e8f0}#quantity{width:60px;text-align:center}.generate-button{width:100%;padding:1rem;background:#20253e;color:#f4365f;border:none;border-radius:var(--border-radius);font-size:1.1rem;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:.75rem}.generate-button:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);background:#262b45}.generate-button:active{transform:translateY(0)}.btn-icon{font-size:1.25rem}.history-section{background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--card-shadow);padding:2rem;display:none}.history-section.active{display:block}h2{font-size:1.5rem;margin-bottom:1rem;color:var(--dark-color)}.history-list{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem;max-height:200px;overflow-y:auto;padding:.5rem}.history-item{background-color:#f1f5f9;padding:.5rem 1rem;border-radius:var(--border-radius);font-weight:500;animation:fadeIn 0.3s ease}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.clear-button{padding:.75rem 1.5rem;background-color:#f1f5f9;color:#64748b;border:none;border-radius:var(--border-radius);font-size:.9rem;cursor:pointer;transition:var(--transition)}.clear-button:hover{background-color:#e2e8f0}footer{margin-top:auto;text-align:center;padding:1.5rem 0;color:#64748b;font-size:.9rem}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}100%{transform:scale(1)}}.number-container.pulse{animation:pulse 0.5s ease}.particle{position:absolute;border-radius:50%;pointer-events:none;opacity:0;animation:particle-animation 1s ease-out forwards}@keyframes particle-animation{0%{transform:translate(0,0) scale(0);opacity:1}100%{transform:translate(var(--x),var(--y)) scale(1);opacity:0}}@media (max-width:600px){h1{font-size:2rem}.range-inputs{grid-template-columns:1fr;gap:1rem}.options{flex-direction:column;align-items:flex-start;gap:1rem}#random-number{font-size:2.5rem}}@media (max-width:768px){.random-number{font-size:2rem}.number-separator{font-size:1.5rem}}