body {
            margin: 0;
            padding: 0;
         /*   background: #f5f5f5;*/
        }

        .container {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            width: 100%;
            z-index: 0;
            font-family:'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
            border: 0px solid red;
        }
        .container-nombre{
                position: absolute;
                width: 100%;
                padding: 4px 0px;
                background-color: #0e3761;
                color:#f1f1f1;
                text-align: center;
                z-index: 100;
        }
        .favicon-img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }

        .login-container {
            position: absolute;
            top: 40%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(255, 255, 255, 0.655);
            
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            z-index: 10;
            min-width: 400px;
            border: 0px solid red;
        }

        .login-container h3 {
            text-align: center;
            margin-bottom: 20px;
            color: #1e1e1e;
           /* border: 1px solid  #144c84;*/
            padding: 10px 12px;
           /* background-color: rgb(243, 243, 243);*/
            background: linear-gradient(50deg, #7deeffb8, #ffb356cb, #57ff7ec3, #a733ffb4, #ffb356c2, #2e7ba4d3);
            border-radius: 5px;
        }
        .login-container h3 span{
            font-size: 0.7em;
            color: #2ecc71;
        }
        .form-group {
            margin-bottom: 15px;
        }

        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
            color: #333;
        }
        .input{
            font-family:Arial, Helvetica, sans-serif;
            color: #383838;
            font-size: 0.7em;
        }
        .input::placeholder {
            font-size: 0.8em; 
            font-weight: 100;
            font-family:Arial, Helvetica, sans-serif;
            color: #666;
        }

        .input:focus {
            border-color:  #144c84;
            outline: none;
          /*  box-shadow: 0 0 5px rgba(11, 11, 11, 0.5);*/
        }

        .form-group input {
            font-size:1.125em;
            padding: 12px 15px;
            width: 100%;
            padding: 8px;
            border: 1px solid #d1d1d1;
            border-radius: 4px;
            box-sizing: border-box;
     
        }

        .input-group {
            display: flex;
            align-items: center;
        }

        .input-group input {
            flex: 1;
            margin-right: 5px;
        }

        .password-toggle {
            width: 38px;
            height: 38px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .error {
            color: red;
            font-size: 12px;
            margin-top: 5px;
        }

        .alert {
            background: #f8d7da;
            color: #721c24;
            padding: 10px;
            border-radius: 4px;
            text-align: center;
            margin-bottom: 15px;
        }

        .button-group {
            text-align: center;
            margin-top: 20px;
        }

        .btn {
            width: 100px;
            padding: 10px;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1em;
            margin: 5px;
            transition: background-color 0.3s;
        }

        .btn-ingresar {
            background: #144c84;
            text-shadow: 0px 0px 0px 5px #d1d1d1;
        }

        .btn-ingresar:hover {
            color: #333;
            background: #144c8441;
        }

        .btn-cancelar {
            background: #b82d3b;
        }

        .btn-cancelar:hover {
            color: #333;
            background: #b82d3b3d;
        }

        /*PIE*/
        .footer-container {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: linear-gradient(135deg, #2c3e50c9 0%, #34495eb0 100%);
            color: white;
            padding: 10px 0;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
            z-index: 1000;
            font-family: Arial, sans-serif;
        }

        .footer-section {
            padding: 8px 15px;
        }

        .security-warning {
            background: rgba(231, 76, 60, 0.1);
            border-left: 4px solid #e74c3c;
            margin-bottom: 5px;
        }

        .warning-header {
            display: flex;
            align-items: center;
            margin-bottom: 5px;
            font-size: 14px;
        }

        .warning-icon {
            font-size: 16px;
            margin-right: 8px;
        }

        .warning-content p {
            margin: 0;
            font-size: 12px;
            line-height: 1.4;
            text-align: justify;
        }

        .system-info {
            background: rgba(52, 152, 219, 0.1);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .marquee-container {
            overflow: hidden;
            white-space: nowrap;
            position: relative;
        }

        .marquee-content {
            display: inline-block;
            animation: marquee 30s linear infinite;
            padding-right: 50px;
        }

        .marquee-content:hover {
            animation-play-state: paused;
        }

        .help-contact {
            color: #2ecc71;
            font-weight: bold;
        }

        .separator {
            margin: 0 15px;
            color: #95a5a6;
        }

        @keyframes marquee {
            0% {
                transform: translateX(100%);
            }
            100% {
                transform: translateX(-100%);
            }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .footer-section {
                padding: 6px 10px;
            }
            
            .warning-content p {
                font-size: 11px;
            }
            
            .marquee-content {
                font-size: 12px;
                animation-duration: 40s;
            }
            
            .separator {
                margin: 0 8px;
            }
            
            .login-container {
                padding: 20px;
                min-width: 400px;
            }
        }

        @media (max-width: 480px) {
            .security-warning {
                display: none;
            }
            
            .marquee-content {
                font-size: 11px;
                animation-duration: 50s;
            }
            
            .login-container {
                padding: 15px;
                min-width: 250px;
            }
            
            .btn {
                width: 90px;
                padding: 8px;
            }
        }







.btn-volver {
    position: fixed;
    top: 15px;
    left: 15px;
    width: 42px;
    height: 42px;              /* CUADRADO */
    background-color: #144c84;
    color: #fff;
    text-decoration: none;
    border-radius: 50%;        /* CÍRCULO REAL */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;           /* Ajuste fino */
    font-weight: 700;
    line-height: 1;            /* CLAVE */
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    z-index: 2000;
    transition: background-color 0.3s, transform 0.2s;
}
.btn-volver span {
    position: relative;
    top: -1px;
}