body,html,#root{margin:0;padding:0;font-family:Inter,sans-serif;background:linear-gradient(135deg,#eef2ff,#faf5ff);color:#333}nav{background:#fff;border-bottom:1px solid #e5e7eb;box-shadow:0 2px 8px #0000000d;position:sticky;top:0;z-index:50}.nav-container{max-width:1200px;margin:auto;padding:0 1rem;height:64px;display:flex;justify-content:space-between;align-items:center}.nav-title{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.5rem;background:linear-gradient(90deg,#4f46e5,#9333ea);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-buttons button{background:none;border:none;padding:.6rem 1.2rem;cursor:pointer;color:#555;font-weight:500;transition:.3s}.nav-buttons button:hover{color:#4f46e5}.nav-buttons .active{background:#eef2ff;border-radius:6px;color:#4f46e5}.hero{text-align:center;padding:3rem 1rem}.hero h1{font-size:2.5rem;font-weight:800;line-height:1.3}.hero span{background:linear-gradient(90deg,#4f46e5,#9333ea);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero p{color:#555;max-width:700px;margin:1rem auto;font-size:1.1rem}.input-box{max-width:600px;margin:2rem auto;background:#fff;border-radius:16px;padding:2rem;box-shadow:0 8px 20px #0000000d}.input-box input{width:100%;padding:.9rem 1rem;font-size:1rem;border:2px solid #ccc;border-radius:8px;outline:none}.input-box input:focus{border-color:#6366f1}.error{background:#fee2e2;color:#b91c1c;padding:.6rem 1rem;margin-top:.5rem;border-radius:8px}.analyze-btn{width:100%;margin-top:1rem;padding:.9rem;border:none;border-radius:10px;background:linear-gradient(90deg,#4f46e5,#9333ea);color:#fff;font-size:1rem;font-weight:600;cursor:pointer}.analyze-btn:hover{background:linear-gradient(90deg,#4338ca,#7e22ce)}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-top:3rem}.feature-card{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:0 8px 20px #0000000d;transition:.3s}.feature-card:hover{transform:translateY(-4px)}.feature-card h3{margin:.5rem 0;color:#111}.feature-card p{color:#666}.dashboard{max-width:1400px;margin:2rem auto;padding:1rem}.card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 6px 18px #0000000f;margin-bottom:1rem}.score-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem}.score-card{background:#fff;border-radius:10px;text-align:center;padding:1rem;box-shadow:0 4px 10px #0000000d}.score-card h4{margin:0}.score-card .value{font-size:2rem;font-weight:700;color:#4f46e5}.recommendations ul{list-style:disc;padding-left:1.5rem;color:#444}.history-item{background:#fff;border-radius:10px;box-shadow:0 4px 12px #0000000d;padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.history-item button{border:none;border-radius:6px;padding:.5rem 1rem;font-weight:600;cursor:pointer}.view-btn{background:#4f46e5;color:#fff}.delete-btn{background:#dc2626;color:#fff}