body{text-align:center;font-family:sans-serif}.dashboard-container{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;max-width:1200px;margin:0 auto;padding:1rem;display:grid}.dashboard-card{background:#fff;border:1px solid #eee;border-radius:10px;padding:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,.1)}.dashboard-card.full-width{grid-column:1/-1}h2{color:#2c3e50;align-items:center;gap:.5rem;margin:0 0 1rem;font-size:1.2rem;display:flex}.top-functions-list ol{counter-reset:top-counter;margin:0;padding:0;list-style:none}.top-functions-list li{counter-increment:top-counter;border-bottom:1px solid #eee;justify-content:space-between;padding:.5rem 0;display:flex}.top-functions-list li:before{content:counter(top-counter)".";color:#7f8c8d;margin-right:1rem}.pie-chart-placeholder{justify-content:center;align-items:center;height:250px;display:flex;position:relative}.pie{background:conic-gradient(#3498db 0deg 240deg,#e74c3c 240deg 360deg);border-radius:50%;width:150px;height:150px}.chart-legend{flex-direction:column;gap:.5rem;display:flex;position:absolute;top:1rem;right:1rem}.chart-legend span:before{content:"";border-radius:3px;width:12px;height:12px;margin-right:.5rem;display:inline-block}.keyboard:before{background:#3498db}.mouse:before{background:#e74c3c}.bar-chart-placeholder{justify-content:center;align-items:flex-end;gap:1rem;height:200px;padding:1rem;display:flex}.bar{background:#3498db;border-radius:4px 4px 0 0;width:40px;transition:height .3s}.login-container{background:#fff;border-radius:8px;max-width:400px;margin:2rem auto;padding:2rem;box-shadow:0 2px 10px rgba(0,0,0,.1)}.form-group{text-align:left;margin-bottom:1.5rem}.form-group label{color:#2c3e50;margin-bottom:.5rem;font-weight:500;display:block}.form-group input{border:1px solid #ddd;border-radius:4px;width:100%;padding:.8rem;font-size:1rem}button[type=button]{color:#fff;cursor:pointer;background:#3498db;border:none;border-radius:4px;width:100%;padding:.8rem;font-size:1rem;transition:background .3s}button[type=button]:hover{background:#2980b9}.error-message{color:#e74c3c;text-align:center;margin-top:1rem}