/* --- Reseteo Básico y Estilos Globales --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f4f7f6;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* --- Contenedor Principal del Formulario --- */
.form-container {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 40px;
    max-width: 500px;
    width: 100%;
}

/* --- Encabezado del Formulario --- */
.form-header {
    text-align: center;
    margin-bottom: 30px;
}

    .form-header h2 {
        font-size: 28px;
        font-weight: 600;
        color: #2c3e50;
    }

    .form-header p {
        color: #7f8c8d;
        font-size: 16px;
    }

/* --- Grupos de Campos del Formulario --- */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: 500;
        color: #555;
    }

.form-control {
    width: 100%;
    padding: 12px 15px 12px 40px; /* Espacio para el icono */
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

    .form-control:focus {
        outline: none;
        border-color: #3498db;
        box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    }

/* --- Iconos dentro de los campos --- */
.form-group .fa {
    position: absolute;
    left: 15px;
    top: 42px;
    color: #aaa;
}

/* --- Mensajes de Validación --- */
.text-danger, .alert-danger {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
}

.alert-danger {
    background-color: #fdeded;
    border: 1px solid #e74c3c;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

    .alert-danger ul {
        padding-left: 20px;
    }

/* --- Botones --- */
.submit-btn {
    display: block;
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    background-color: #3498db;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-align: center;
    text-decoration: none;
}

    .submit-btn:hover {
        background-color: #2980b9;
        transform: translateY(-2px);
    }

.cancel-btn {
    background-color: #bdc3c7;
    margin-top: 10px;
}

    .cancel-btn:hover {
        background-color: #95a5a6;
    }

/* --- Reseteo Básico y Estilos Globales --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f4f7f6;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* --- Contenedor Principal del Formulario --- */
.form-container {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 40px;
    max-width: 500px;
    width: 100%;
}

/* --- Encabezado del Formulario --- */
.form-header {
    text-align: center;
    margin-bottom: 30px;
}

    .form-header h2 {
        font-size: 28px;
        font-weight: 600;
        color: #2c3e50;
    }

    .form-header p {
        color: #7f8c8d;
        font-size: 16px;
    }

/* --- Grupos de Campos del Formulario --- */
.form-group {
    margin-bottom: 20px;
    position: relative;
}

    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: 500;
        color: #555;
    }

.form-control {
    width: 100%;
    padding: 12px 15px 12px 40px; /* Espacio para el icono */
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

    .form-control:focus {
        outline: none;
        border-color: #3498db;
        box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    }

/* --- Iconos dentro de los campos --- */
.form-group .fa {
    position: absolute;
    left: 15px;
    top: 42px; /* Ajuste para alinear el icono con el input */
    color: #aaa;
}

/* --- Mensajes de Validación --- */
.text-danger, .alert-danger {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
}

.alert-danger {
    background-color: #fdeded;
    border: 1px solid #e74c3c;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

    .alert-danger ul {
        padding-left: 20px;
    }

/* --- Botones --- */
.submit-btn {
    display: block;
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    background-color: #3498db;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-align: center;
    text-decoration: none;
}

    .submit-btn:hover {
        background-color: #2980b9;
        transform: translateY(-2px);
    }

.cancel-btn {
    background-color: #bdc3c7;
    margin-top: 10px;
}

    .cancel-btn:hover {
        background-color: #95a5a6;
    }