*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;color:#333}.app{min-height:100vh;padding:2rem}.header{text-align:center;color:#fff;margin-bottom:3rem;position:relative}.header h1{font-size:3rem;font-weight:700;margin-bottom:.5rem;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.subtitle{font-size:1.2rem;opacity:.9}.logout-btn{position:absolute;top:0;right:0;background:#fff3;border:2px solid white;color:#fff;padding:.5rem 1.5rem;border-radius:25px;cursor:pointer;font-size:.9rem;transition:all .3s ease}.logout-btn:hover{background:#ffffff4d;transform:translateY(-2px)}.login-container{display:flex;justify-content:center;align-items:center;min-height:60vh}.login-card{background:#fff;padding:3rem;border-radius:20px;box-shadow:0 20px 60px #0000004d;width:100%;max-width:400px}.login-card h2{margin-bottom:2rem;text-align:center;color:#667eea}.login-form{display:flex;flex-direction:column;gap:1rem}.password-input{padding:1rem;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;transition:border-color .3s ease}.password-input:focus{outline:none;border-color:#667eea}.login-btn{padding:1rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.login-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #667eea66}.login-btn:disabled{opacity:.6;cursor:not-allowed}.error{color:#e74c3c;text-align:center;margin-top:1rem;font-size:.9rem}.apps-container{max-width:1200px;margin:0 auto}.apps-container h2{color:#fff;text-align:center;margin-bottom:2rem;font-size:2rem}.apps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem}.app-card{background:#fff;padding:2rem;border-radius:15px;box-shadow:0 10px 30px #0003;cursor:pointer;transition:all .3s ease;text-align:center}.app-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px #0000004d}.app-icon{font-size:4rem;margin-bottom:1rem}.app-card h3{color:#667eea;margin-bottom:.5rem;font-size:1.5rem}.app-card p{color:#666;font-size:.9rem}@media (max-width: 768px){.header h1{font-size:2rem}.logout-btn{position:static;margin-top:1rem}.apps-grid{grid-template-columns:1fr}}