/**************************************
 * 1. RESET Y CONFIGURACIÓN GENERAL
 **************************************/
body {
    margin: 0;
    padding: 0;
    font-family: 'Nunito', sans-serif;
    background: linear-gradient(135deg, #2c3e50, #3498db);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

*, *::before, *::after {
    box-sizing: border-box;
}


/**************************************
 * 2. CONTENEDORES GENERALES
 **************************************/
#contenedor {
    background-color: white;
    padding: 0;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 800px;
    overflow: hidden;
}

#contenedorcentrado {
    display: flex;
    flex-direction: column;
    align-items: center;
}


/**************************************
 * 3. BLOQUE LOGIN Y LOGO
 **************************************/
#login-con-logo {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    width: 100%;
}

/* Sección del formulario */
#login {
    flex: 1;
    padding: 40px;
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Sección del logo */
#logo {
    flex: 1;
    background-color: #f4f6f8;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

#logo img {
    max-width: 80%;
    max-height: 300px;
    object-fit: contain;
}


/**************************************
 * 4. ELEMENTOS DEL FORMULARIO
 **************************************/
#login h2 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.input-container {
    width: 100%;
    margin-bottom: 20px;
}

.input-container label {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
    color: #2c3e50;
}

.input-container input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.input-container input:focus {
    outline: none;
    border-color: #3498db;
}

#caps-lock-warning {
    color: #e74c3c;
    font-size: 13px;
    display: none;
    margin-top: 5px;
}


/**************************************
 * 5. BOTÓN DE INGRESO
 **************************************/
button[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button[type="submit"]:hover {
    background-color: #2980b9;
}


/**************************************
 * 6. MENSAJES DE ERROR
 **************************************/
.error {
    color: red;
    background-color: #ffe6e6;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid red;
    border-radius: 5px;
}


/**************************************
 * 7. RESPONSIVE DESIGN
 **************************************/
@media (max-width: 768px) {
    #login-con-logo {
        flex-direction: column;
    }

    #logo {
        padding: 30px 0;
    }

    #logo img {
        max-height: 150px;
    }
}