:root{--uhu-blue: #003366;--uhu-red: #cc0000;--bg-light: #f4f4f4;--text-dark: #333}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;margin:0;background-color:var(--bg-light);color:var(--text-dark)}.uhu-header{background-color:var(--uhu-blue);color:#fff;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.uhu-header img{height:50px;margin-right:15px}.btn-primary{background-color:var(--uhu-blue);color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer}.btn-primary:hover{background-color:#024}.btn-danger{background-color:var(--uhu-red);color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer}.container{padding:2rem;max-width:1200px;margin:0 auto}.login-page{display:flex;justify-content:center;align-items:center;height:100vh;background:#fff}.login-form{background:var(--bg-light);padding:2rem;border-radius:8px;box-shadow:0 4px 6px #0000001a;width:300px;text-align:center}.login-form input{width:100%;padding:.5rem;margin-bottom:1rem;border:1px solid #ddd;border-radius:4px}.card{background:#fff;padding:1rem;border-radius:8px;box-shadow:0 2px 4px #0000000d;margin-bottom:1rem}